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Saturday, March 30, 2013

SCADA goes long

  

SCADA uses long distance communication tools to allow an operator to monitor and control multiple processes spread across miles, but be careful of the functions you put on the communications link

FAST FORWARD

  • SCADA applies to very large processes.
  • One operator with complex communication equipment can handle it.
  • Time critical functions should be under local automatic control.
By Stuart Boyer

Supervisory control and data acquisition (SCADA) is the technology we use to control processes that extend over long distances.  Occasionally, in a plant, there are parts of the process that are so far away from the control room that a SCADA system can be included in the plant distributed control system (DCS) to reach them. Usually controlling these processes is simple, involving measuring flows or temperatures, monitoring alarms, opening or closing valves, turning motors on or off, opening or closing switches, and adjusting set points on controllers located near the process.  While this control is simple, it is usually very important.  Also, the speed with which we respond to information about these processes is not critical—the response time is not urgent.  If these statements are true, why has SCADA become such a popular technology?

Defining a process control system

A long time ago, all processes were controlled manually.  Most processes were "batch."  That is, the person that was in charge would mix the correct amount of each ingredient, would add heat to bring the mixture to a selected temperature, would stir for an experimentally determined time, and would cool the product.  Often, the method of telling if the amount of each ingredient was correct was a personal preference of the mixer, and the temperature was estimated by knowing how long the heat had been applied.  The speed of cooling was controlled by the ambient temperature.

Eventually, someone noticed the quality of the product depended on who was doing the mixing.  Shortly after this, experiments were conducted to determine what made one mixer's product better than that of another mixer.  Better measurements of the ingredients were tried.  Thermometers were used to control the temperature.  Mechanical stirring was applied to eliminate the human tendency to stir less rather than more.  Different rates of change of cooling were evaluated, and the best rates were selected.  In short, process instrumentation was introduced to improve the quality of the product.

At about this time, the person who controlled these factors was reading all of the instruments and manually adjusting fuel and stirring rates, adding ingredients at the right time, and removing the heat and providing cooling water of the right temperature and at the right rate.  That person was probably also cleaning the pots after every batch of product was made.

As process instrumentation improved, it became practical to convert some classes of process from "batch" to "continuous".  Process fluids could now be added to and removed from the process container without stopping the flow.  Generator voltages and currents could be controlled without turning off the generator to adjust settings of the machine.  Materials could be shaped to the proper dimension without stopping the shaping process to measure if they were now the correct size.  When done properly, this continuous processing resulted in massive increases in throughput.  But it also required more dedicated attention of the operator because failure to notice a change in process measurement would surely result in product that was out of specification.

The next developments integrated the measuring and control functions. A controller that pinched down on the fuel when the mixture got too hot was easy to build and could be relied upon to do a better job than an operator whose attention may wander.  It was not much of a stretch to develop devices that could control the rate of change of temperature, other devices that could change from adding heat to removing heat after a preselected time, and even more devices that could add and stir the proper amounts of ingredients.  The operator's function became one of monitoring all of these devices to ensure they did the right things.  When the operator was no longer continuously occupied running one process, management decided to assign two or three processes to each operator.  Control shifted from one corner of the process to a room dedicated to control.  The increased distance from the process to the control room meant pneumatic and hydraulic lines became prohibitively expensive and pairs of copper electric lines, each pair dedicated to one signal, replaced them.

Too far for comfort

There have always been some processes that require an operator to attend, but not very often.  Think of hydro-electric power stations or agricultural irrigation systems that can run for days with no operator intervention, but must have a valve opened or closed to start or stop the power generation or irrigation. Think of an oilfield, where the produced fluids must be diverted through a separation system to measure how much of it is oil, water, and/or gas.  In these cases, the work that the operator must perform can be done in a few minutes, but travelling to and from the site may take hours.

Until about 50 years ago, technology was not available to provide remote monitoring and control.  People had to be based at each site where a process was working, or they had to drive from one location to another so they could sample the conditions often enough to be effective.  Then, dedicated wire pairs, often leased from telephone companies, started to be used to move simple switch status from remote areas to central locations where people could monitor what was happening. At first, data flowed only in one direction, usually from the process to the central operator. Being one way, this was not SCADA.  It was simple telemetry.

It was not long before radio signals were used to move this telemetry data from very remote locations to operations rooms. However, early systems were sometimes as slow as one bit every two or three minutes, and lacking communications security technology, the systems depended on receiving multiple instances of the signal and comparing them to ensure it was not just noise that was being received.  Success with systems like these prompted research to address the problems that were known about.  Signal distortion caused by different reactions to inductive and capacitive reactances of the communications media limited the distances that signals could be transmitted and still be understood.  Military and space programs were pioneers in telemetry, and they determined digital signals could be successfully moved over greater distances.  In addition, digital signals could attach a small addition to the end of the message, which would indicate if a communication error had occurred during transmission.

Finally, it occurred to someone that if field data could be gathered, then instructions could be sent.  Putting together all of these things allowed rudimentary SCADA to be implemented.

Why not call it CADA?

Since our initial definition described SCADA as a tool to "… control processes that extend over …," it would seem reasonable to call it "control and data acquisition," or CADA.  The reason we do not do this is based on the acknowledged lack of reliability of communication for SCADA systems.  Geographically small processes like refineries, cement plants, and power plants can be built with dedicated wires from the central controller to each sensor and actuator.  The reliability of these communication paths is very high. For processes like these, we can risk having the actuator position be completely dependent on what the controller orders.  We can depend on a continuous control signal from the central controller to the actuator.

SCADA systems are not reliable enough for us to make this assumption because they depend on radio and/or leased utility lines.  Instead, we arrange to have a dedicated, but sometimes limited, controller located close to the process, and we use the SCADA system to make changes to set points of these controllers, as a supervisor would do if there were one on site.  If a change in set point does not successfully navigate the communication system, it is not a big deal.  Feedback about the success of the change will be provided to the master terminal unit (MTU) at the next status reporting time, and if the change did not happen, the instruction can be sent again.

Consider something as simple as opening a valve.  If there were a supervisor close to the valve, the supervisor would open a switch that would interrupt the power to a solenoid that supplies air to the valve.  A SCADA system operator would open a switch in a central controller.  That switch position would be included in the next instruction to a remote terminal unit (RTU), perhaps half an hour later.  The RTU would receive the instruction and store it in a memory location dedicated to the intended valve.  Almost immediately after, the valve solenoid power would be interrupted, and air to the solenoid would be removed.  The valve would close.  At the next routine scan, the RTU would send all valve status indications.  If the valve had moved properly, nothing more needs be done.  If the valve had failed to move, an alarm would be generated, alerting the operator to the failure, and the instruction could be resent.

Limited functionality

Functionality of SCADA is limited.  Take a look at what SCADA systems do:

SCADA systems gather status points: Status points are discrete, binary values.  A motor is either running, or it is not.  An on/off valve is either open, or it is closed; electrical power is either available, or it is not.  The central operator needs to know the status of many of these equipments to operate the process properly.  Equipment status switches at each facility can be wired to the nearest RTU.  The RTU stores each of them in binary digital form, as either a one or a zero, in a location dedicated to that equipment.  The status of each of these switches will be transmitted to the MTU when the MTU demands them.

SCADA systems gather analog values: Analog values are more complex than discrete values.  An analog value tells how open a valve is, tells how hot a furnace tube is, or tells how much current is flowing through an electrical conductor.  These are often gathered as pure analog values, converted to some intermediate analog value, such as milliamps of current, for collection at the RTU, turned into digital values of more than one bit, time stamped at each RTU, and transmitted to the MTU when the MTU demands them.

SCADA systems gather totalized data: At each of the widely distributed process locations, some very simple measurements can be used to indicate production.  Electrical generating stations measure power and integrate it over time into energy.  Irrigation metering stations measure flow rate and integrate it over time into flow.  Pipeline input stations measure product impurities and integrate it over time into average impurity levels.  These integrated values are sampled, turned into digital values of more than one bit, stored at each RTU, and transmitted to the MTU when the MTU demands them.

SCADA systems monitor alarms: Alarms are more complex than status points.  For some alarms, such as a fire or intrusion alarm, the field indication of the alarm may be exactly the same as a status point, and one state of the switch always implies an alarm condition. For many functions, it is not enough to know the status of a piece of equipment. Alarms for these functions are an indication that an equipment status is different from what the operator expected or ordered.  For these functions, the field indication may be the same as a status point, but logic, either at the remote site or at the master site, must interpret the switch position and compare it to what has been ordered to determine if an alarm exists or not.  For still other alarms, the field indication may be an analog measurement, and the alarm condition may be understood only when that measurement is compared to an expected value in the MTU.

SCADA systems allow supervisory control: SCADA systems allow an operator located at the central location and using human-machine interface (HMI) connected to the MTU to make changes in the set points of simple process controllers located in the remote locations.  These set points are addressed not only to the RTU but to the specific controller at that RTU.  The controller may be a separate piece of equipment located close to the RTU, or it may be a function within the RTU.

The controller is that part of the control system that will provide a continuous signal to the process actuator, based on the set point received from the MTU.  In addition, the controller or the actuator will report back through the RTU to the MTU to advise the operator how things are progressing.

HMI at the RTU

Some locations remote from the central control location are manned, and some are not. If the remote location is manned and is set up to be operated manually, the RTU will normally be provided with equipment to tell the operator at that location what is happening with the process and to allow the operator to make adjustments to the process.  This is the RTU HMI. 

The complexity of this HMI varies with the complexity of the process and with the likelihood that an operator will be using it.  For very simple processes with few inputs and outputs, the HMI may consist of some lights and/or physical meters to advise the operator and some switches and/or potentiometers to allow the operator to adjust the process equipment.  This type of HMI may or may not operate through the RTU. 

For more complex processes and for those that normally have an operator running the process, the HMI will probably be more complex and more expensive.  It will probably be a graphic presentation, indistinguishable from distributed control system graphical user interfaces, and complete with touch screens, process and trend graphics, alarm sounds and logs, and perhaps hardcopy printouts.

If the remote location is unmanned, the HMI may be similar to the simple HMI described above, or it may be non-existent.  If there is no HMI at the location, the RTU may be set up to accept a laptop computer that will act as the HMI when an operator must attend.

HMI at the MTU

For almost every SCADA system, there will be a computer based HMI at the MTU.  All MTUs are built on computers; and although early pipeline, electrical, and irrigation SCADA systems had entire walls of flashing lights on graphical HMIs, these are being replaced with computer screens that provide more information more effectively.  

Equipment layout sketches of each remote process section are projected onto the MTU HMI.  Each of these sketches can be called up by the operator, and the appropriate sketch can be programmed to automatically appear when a control function is being addressed by the operator.  Valves, motors, and other process elements under the control of the operator are color coded so a quick glance will suffice to update the operator about the process status.  Mouse controls or touchscreens will enable simple access so the operator may easily adjust process parameters.  Alarms will have different reactions depending on their criticality, extending to calling the operator's cell phone in some instances.

Process and personnel safety

Control of the processes is important, and certainly the types of processes that have been mentioned are potentially dangerous.  How can we get away with using a slow, unreliable communication system?

The first line of defense must not rely on the communication system.  Every dangerous process monitored and controlled by a SCADA system must have a safety system located at the site of the process.  It must be capable of taking the process to a safe state under all conceivable circumstances, including failure of power, failure of wires, and failure of sensors.  Enough information has been written about safety that it is not necessary to say more about it here.

Of course, when the safety system has acted to put the process into a safe condition, the SCADA system can report this back to the operator through the communication system.

Mature technology for many industries

In addition to the industries that did the early technology development work in the 1960s and 1970s—oil and gas, electrical transmission, railways, pipelines, and irrigation—SCADA is being applied to industries that have large, simple processes and can benefit from the combination of data gathering through telemetry and simple supervisory control.  For really long distance SCADA, it is hard to imagine outdoing the supervisory control of a Mars Rover, wandering around another planet, but taking instruction from an Earth-bound driver.

ABOUT THE AUTHOR

Stuart Boyer P.E. (ILIADENG@telus.net) is an electrical engineer and Life Member of ISA.  Most of his career has dealt with SCADA or other process control systems.  He has been active in ISA, serving as District Vice President and on several technical standards committees.  Boyer contributed to the Instrument Engineers' Handbook and is the author of SCADA, Supervisory Control and Data Acquisition, an ISA text now in its fourth edition.  He occasionally teaches courses in SCADA or Process Instrumentation.

How SCADA works

Process control depends on moving data describing the process to the controller and moving control instructions from the controller to the process actuators.  When the distances from the process to the controller get too large, supervisory control and data acquisition (SCADA) systems interpose specialized communication equipment so monitoring and control can still work.

One operator, sitting in front of a human-machine interface (HMI) is in charge.  The HMI connects to a master terminal unit (MTU) that sends and receives digitally coded information, sometimes over thousands of miles, to monitor and supervise the process.  Each concentration of process sensors or actuators is connected to a remote terminal unit (RTU).   The SCADA system is composed of one MTU and (usually) more than one RTU.

SCADA systems do not have to talk fast.  Because they are providing a supervisory function, they just have to sketch out to the RTUs what direction to take.  They can do this by changing set points at the RTU location.

RTUs send information back to the operator at the MTU.  Some of this information is for accounting, and some is for overall control.

System design must consider the communication system is not very reliable, and significant periods of time may go by with no communication between MTU and RTUs. This may put additional strains on the process safety system.

From the late 1960s, SCADA has been getting better, and it is now a mature technology for controlling geographically large processes.

 

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Monday, March 25, 2013

Understand About Formation Pressure

Formation pressure is the pressure of fluid contained in pore space of rock and there are 3 categories of the formation pressure which are normal pressure, abnormal pressure and subnormal pressure.

1. Normal Pressure: Normal pressure is the hydrostatic of water column from the surface to the subsurface formation. The concentration of salt in water affects the normal pressure. Higher salt concentration in water, higher specific gravity of water will be. Therefore, the normal pressure can vary from slightly salt 0.433 psi/ft (8.33 PPG) to highly concentrated salt 0.478 psi/ft (9.2 PPG) based on salt concentration in water.

2. Abnormal Pressure: The abnormal pressure is the pressure greater than the pressure column of water. Generally, the abnormal pressure zones are good reservoir which oil companies are looking for. This kind of pressure can create well control problem.

3. Subnormal Pressure: The subnormal pressure is the pressure that is less than normal pressure and it  possibly causes lost circulation problems.

Looking at the drawing below, it demonstrates the comparison of formation pressure when drilling into each pressure regime. At the same True Vertical Depth (TVD), subnormal pressure shows least pressure in comparison to others. However, abnormal pressure gives the highest pressure at the same level of TVD.

3 normal abnormal subnormal pressure

Thursday, March 14, 2013

March 2013 Digital Issue of OE (Offshore Engineer)



Offshore Engineer

click to go to Offshore Engineer Your March 2013 Digital Issue of OE (Offshore Engineer), featuring our exciting redesign and new content offerings, is available for online viewing or download!

Click here or on the cover image at right to access this month's issue.

Inside This Month's Issue:

GREENFIELD/BROWNFIELD TECHNOLOGIES:
The recovery challenge. Increased oil recovery techniques serve as enhancers for maximizing production from brownfields and enablers to improve the economic viability of greenfield developments. Chris Shaw of FMC Technologies examines the issues.

GEOLOGY & GEOPHYSICS:
Why the fuss about broadband? Andrew Long, Petroleum GeoServices, explains the science behind broadband seismic and how it is changing the acquisition of high-resolution imaging using marine streamers.

DRILLING:
Texas-based drill bit manufacturer Varel International Inc. found a home for its patented Acoustic Emissions Toughness Testing (AETT) at its newly opened Houston Technology Center, reports Audrey Leon.

EPIC:
Recently, new platforms were added to the Mumbai High North production and processing complex off western India. Kumar Rudra and coauthors from Larsen & Toubro discuss the challenges of executing the Mega Process Complex Platform project.

OPERATIONS:
Growth generation - The GE Oil & Gas 2013 Annual Meeting, now in its 14th year, attracted more than 1000 attendees. Meg Chesshyre reports.

SUBSEA:
Arctic leak detection - Premkumar Thodi, Mike Paulin, Duane DeGeer, and Glen Lanan, INTECSEA Canada, examine the potential of external distributed sensors using fiber optic cable systems.

GEOGRAPHIC FOCUS: MEDITERRANEAN:
Activity in the Mediterranean was disrupted by political events last year, but major finds in the Levant Basin continue to draw industry investment.


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Wednesday, March 13, 2013

IADC issues new safety alerts

 IADC has issued three new safety alerts citing potential rigfloor dangers and how each could have been mitigated. Each safety alert provides a description of the incident, the cause, and how it could have been avoided.

The latest safety alerts are:

•    Near miss – damaged man-riding winch
•    Improper use of drill pipe spinner results in an MTO (medical treatment only)
•    Medical treatment only (MTO): Struck by the tongs

If your company experiences an accident, near miss, MTO, or other incident, please let IADC publish this. It could save a life!

All company and personal references are removed, so there are no worries about adverse publicity. IADC's aim is to help the industry improve its HSE practices.

Each month, IADC distributes HSE Alerts to members. All Alerts issued will be archived on this web site.  We welcome your ideas for future Safety Alerts. You can submit safety alerts one of three ways:

Health Safety & Environment Helpful Links Note: Safety Alerts are now in PDF files. If you do not have Adobe Acrobat Reader to view PDF files, you can download it at Get Acrobat Reader(this is a free program). This material is presented for information purposes only.  Managers & Supervisors should evaluate this information to determine if it can be applied to their own situations and practices

1998    1999    2000    2001    2002    2003    2004    2005   2006    2007    2008    2009   2010   2011    2012    2013

YEAR 2013
Alert 13 – 01 Fall From V-Door Results in Near Miss  English Spanish
Alert 13 – 02 Lack of Coordination During Rig-Up Leads to Injuries English Spanish
Alert 13 – 03 Vessel to Vessel Transfer Hose Whiplash Results in Fatality English Spanish
Alert 13 – 04 Lower Marine Riser Package (LMRP) Connector Failure English Spanish
Alert 13 – 05 Drill Pipe Dislodged from Pipe Bin During Drifting Operations  English Spanish 
Alert 13 – 06 Poor Communication Amongst Crew Results in Injury  English Spanish 
Alert 13 – 07 Improper Hand Placement Results in Minor Injury  English Spanish 

YEAR 2012
Alert 12 – 01 Ruptured Piston on Mud Pump Leads to Pump House Fire  English Spanish
Alert 12 – 02 Disregard for Energy Isolation Procedures Results in Amputation English Spanish
Alert 12 – 03 Malfunctioning Pump Results in 3rd Degree Burn Injury English Spanish
Alert 12 – 04 Improper Use of Jack Results in Finger Injury English Spanish
Alert 12 – 05

Near Miss – Track Hoe Contacts 5 KV Power Cable

English Spanish
Alert 12 – 06

Struck By Incident Results In Sprained Ankle

English Spanish
Alert 12 – 07

Bee Stings Result In Anaphylactic Reaction

English Spanish
Alert 12 – 08

Supply Boat Pulls Platform Crane Overboard

English Spanish
Alert 12 – 09

Tangled Fall Arrest Cable Results in Fatality

English Spanish
Alert 12 – 10

Loss of Balance Results in Laceration to Leg from Grinder

English Spanish
Alert 12 – 11

Near Miss: Crane Contacts High Power Electrical Lines

English Spanish
Alert 12 – 12

Lack Of Inspection Procedures Results In Dropped Blocks

English Spanish
Alert 12 – 13

Rigger Sustains Hand Injury During Rig Move

English Spanish
Alert 12 – 14

Fatality – Worker Struck By Falling Pipe Tub

English Spanish
Alert 12 – 15

Improper Body Position Results in Injury to Mouth

English Spanish 
Alert 12 – 16

Tag Line Releases Lifeboat During Lifting Operation

English Spanish 
Alert 12 – 17

Sudden Slewing of Crane Boom Dislodges Load

English Spanish 
Alert 12 – 18

Loose Machine Guarding Results in Minor Injury 

English Spanish 
Alert 12 – 19

Deep Vein Thrombosis

English Spanish 
Alert 12 – 20

Helideck Obstruction Hazard: Marking and Notification

English Spanish 
Alert 12 – 21

Lack of Communication Results in Multiple Injuries

English Spanish 
Alert 12 – 22

Falling Steel Plate Results in Struck-by Incident

English Spanish 
Alert 12 – 23

Exploding Ball Valve Results in Near Miss

English Spanish
Alert 12 -24

Misuse of High Pressure Cleaner Results in Injury

English Spanish 
Alert 12 – 25

Snagged Hoist Line Results in Fractured Vertebrae 

English Spanish 
Alert 12 – 26

Gloved Hand Caught in Pipe Spinner Results in Injury 

English Spanish 
Alert 12 – 27

Hidden Welding Lead Results in Minor Electrical Shock  

English Spanish 
Alert 12 -28

Driller Inattention Results in Dropped Blocks 

English Spanish 
Alert 12 – 29

Electrostatic Charge Results in Methanol Tank Explosion 

English Spanish 
Alert 12 – 30

Unstable Lifting Device Injures Crewman 

English Spanish 
Alert 12 – 31

High Potential – Dropped Pony Collar

English Spanish 
Alert 12 – 32

Inattentiveness Results in Injured Employees

English Spanish 

YEAR 2011
 Alert 11 – 01 Sand Line Flagging Operation Results in Fatality English  Spanish
 Alert 11 – 02 Lifting Operation Results in a Fatality English  Spanish
 Alert 11 – 03 Laying Down Joint of Casing Results in a Fall English  Spanish
 Alert 11 – 04 Transfer Pumps (Primer Cap Hazards) English  Spanish
 Alert 11 – 05 Fall Incident During Rig Up Results In Fatal Injuries English  Spanish
 Alert 11 – 06 Near-Hit Incident – Dropped Object Pipe Handling Push-Arm Fell to the Rig Floor English  Spanish
 Alert 11 – 07 Adjusting the Link Assembly on Pipe Spinner Results in a Restricted Work Case (RWC) English  Spanish
 Alert 11 – 08 Unsecured Guard Results in MTO English Spanish
 Alert 11 – 09 Improperly Mounted Rig Floor Winch Results in Hi-Potential Near Hit English Spanish
 Alert 11 – 10 Improper Use of Sledgehammer Results in a Lost Time Accident English Spanish
 Alert 11 – 11 Finger Pinched in Closing Tong Gate Results in a Restricted Work Case English Spanish
 Alert 11 – 12 Dropped Object – Low Pressure Riser Dropped 50 Feet English Spanish
 Alert 11 – 13 Rig Move – Caught Between Truck and Load English Spanish
 Alert 11 – 14 High Potential Near Miss – Dropped Object English Spanish
 Alert 11 – 15 Welding Operation Results in a  Fire in the Store Room English Spanish
 Alert 11 – 16 High Potential Near Miss – Hoisting Line Disconnected From Drawworks Drum English Spanish
 Alert 11 – 17 Finger Injury During 9 ⅝'' Casing Run English Spanish
 Alert 11 – 18 Dropped Object – Pin Falls From Top Drive Results In A Near Miss English Spanish
 Alert 11 – 19 Drilling Line Slips Out Of Retainer Clamp Results In Rig Downtime English Spanish
 Alert 11 – 20 Drill Line Pulls Through Wire Rope Snake While Stringing Blocks English Spanish
 Alert 11 – 21 Near Miss – Lack of Inspection Results in Dropped Iron Roughneck English Spanish
 Alert 11 – 22 Failure of BOP Ram Yolk Results in a Natural Gas Release From BOP English Spanish
 Alert 11 – 23 Bent Hinge Pin Results in Near Miss English Spanish
 Alert 11 – 24 Three Dropped-Object Incidents Occur While Tripping Out of the Hole English Spanish
 Alert 11 – 25 Defective Clutch Results in Dropped Top Drive English Spanish
 Alert 11 – 26 Inattention Results in Damaged Monkeyboard English Spanish
 Alert 11 – 27 Lack of Proper Tool Results in Finger Injury English Spanish
 Alert 11- 28 Dropped Object – Casing Joint Falls From Elevators English Spanish
 Alert 11 – 29 Pipe Used as Anchorage Point on Rig Floor Becomes a Projectile English Spanish
 Alert 11 – 30 Accidental Triggering of Power Washer Results in Foot Injury English Spanish

 Alert 11 – 31

Pressure Relief Valve Sprays Dilute Acid Across Location on a Frac Job

English Spanish

YEAR 2010
 Alert 10 – 01 Dropped Object – Guide Collar Segment Separates from Winch Line and Falls Into the Water English Spanish
 Alert 10 – 02 Mud Pump Piston Change-Out Results in RWC English Spanish
 Alert 10 – 03 Improper Guarding Results in mto English Spanish
 Alert 10 – 04 Large Container Lifted by Helicopter Downdraft English Spanish
 Alert 10 – 05 Dropped Objects Result in Two LTIs English Spanish
 Alert 10 – 06 Near Misses Involving Rig Braking Systems English Spanish
 Alert 10 – 07 Tank Welding – High Potential Incident English Spanish
 Alert 10 – 08 Rabbiting Tubing With Rig Air Results In An mto English Spanish
 Alert 10 – 09 Dropped Object – High Potential Near Miss English Spanish
 Alert 10 – 10 Welding Operation Results in a Fire English Spanish
 Alert 10 – 11 Cuttings Auger Amputates Leg of Rig Crewmember English Spanish
 Alert 10 – 12 "Struck by Incident" on Monkey-Board Results in a Fatality English Spanish
 Alert 10 – 13 Failure to Secure Sling Results in Dropped Object English Spanish
 Alert 10 – 14 Rig Move – Rotary Table Fell off Truck English Spanish
 Alert 10 – 15 Lifeboat Property Damage Incident English Spanish
 Alert 10 – 16 Use Of An Improper Tool Results In Hand Injury English Spanish
 Alert 10 – 17 Windy Conditions Results In LTI English Spanish
 Alert 10 – 18 Making Up Sub Assembly Results In A Fatality English Spanish
 Alert 10 – 19 Dropped Object Results in a  Restricted Work Case English Spanish
 Alert 10 – 20 Damage to Starboard Flare Boom English Spanish
 Alert 10 – 21 Use of Unsafe Hammer Results in rwc English Spanish
 Alert 10 – 22 Welder's Flash (Photokeratitis) English Spanish
 Alert 10 – 23 Repairing Centrifugal Pump Results in a Near – Miss English Spanish
 Alert 10 – 24 Air Valve Malfunction Results in High-Potential Near Miss English Spanish
 Alert 10 – 25 Welding On A Truck Tire Rim Results in a Serious Incident English Spanish
 Alert 10 – 26 Crane Lifting Operation Results in a Fatality English Spanish
 Alert 10 – 27 Failure to Follow Lockout Procedures Results in a Near-Miss English Spanish
 Alert 10 – 28 Mud Pit Dump Valve Handle English Spanish
 Alert 10 – 29 Near Miss – Dropped Tong Weight English Spanish
 Alert 10 – 30 High Potential Dropped Object Incidents Result in Two LTI's English Spanish
 Alert 10 – 31 Mud Pump Repair Results in Fractured Finger English Spanish
 Alert 10 – 32 Horseplay Results in Injuries English Spanish
 Alert 10 – 33 Worker's Arm Caught in Mud Bucket English Spanish
 Alert 10 – 34 Fatality Occurs During Offline Cementing Operations English Spanish
 Alert 10 – 35 Deep Vein Thrombosis English Spanish

YEAR 2009
 Alert 09 – 01 Dropped Object – Crane Boom Lattice English Spanish
 Alert 09 – 02 Dropped Object – Pad Eyes Fail Causing Near Miss English Spanish
 Alert 09 – 03 Pipe Falls off Catwalk Resulting in an LTI English Spanish
 Alert 09 – 04 Explosion/Flash Fire on Rig Floor Following Gas Release English Spanish
 Alert 09 – 05 Oxygen Torch Assembly Ignites Explosively Resulting in Burned Hand English Spanish
 Alert 09 – 06 Dropped Object – Rigging Screw Jaw End English Spanish
 Alert 09 – 07 Failed "O" Rings Result in Dropped Drill String English Spanish
 Alert 09 – 08 Confined Space Activity Results In Loss Of Consciousness Incident English Spanish
 Alert 09 – 09 Electrical Arc Flash Injury Involving Extension Cord English Spanish
 Alert 09 – 10 Damaged Electric Cord Results in Welder Electrocution English Spanish
 Alert 09 – 11 Restricted Work Case Results From Caught Between Incident English Spanish
 Alert 09 – 12 Lack of Attention While Using a Sledge Hammer Results in a Mashed Finger English Spanish
 Alert 09 – 13 Dropped Drawworks Platform English Spanish
 Alert 09 – 14 Helicopter Operations – Ground Resonance Phenomena English Spanish
 Alert 09 – 15 Near Miss – Dropped Casing When Elevators Not Latched Correctly English Spanish
 Alert 09 – 16 Extension Cord Safety English Spanish
 Alert 09 – 17 Near Miss—New Fall Protection Equipment Failure English Spanish
 Alert 09 – 18  Near Miss – Loose Crane Ring Bolts English Spanish
 Alert 09 – 19 Offloading Equipment Results In High Potential Near Miss English Spanish
 Alert 09 – 20 Incorrect Length of Tong Snub Line Results in Fatality English Spanish
 Alert 09 – 21 Slip & Trip Results in MTO English Spanish
 Alert 09 – 22 Air Winch Mounting Bolts Failure English Spanish
 Alert 09 – 23 Lifeboat Incident Results in a Fatality English Spanish
 Alert 09 – 24 Tripping Operation Results in a High-Potential Near Miss English Spanish
 Alert 09 – 25 High Potential Incident – Dropped Light English Spanish
 Alert 09 – 26 Lifting Operation Results In Arm Injury (LTI) English Spanish
 Alert 09 – 27 Laying Out Drill Pipe Results In Broken Finger (LTI) English Spanish
 Alert 09 – 28 Near Miss – Damaged Man-Riding Winch English Spanish
 Alert 09 – 29 Improper Use of Drill Pipe Spinner Results in an  mto English Spanish
 Alert 09 – 30 MTO—Struck by the Tongs English Spanish
 Alert 09 – 31 Helicopter Wheel Snags Helideck NetNear Miss with High Severity Potential English Spanish
 Alert 09 – 32 Dropped Slip Dies Results in Broken Hand English Spanish
 Alert 09 – 33 Picking Up Drill Collars Results in lti English Spanish
 Alert 09 – 34 Fire Starts From Falling Slag English Spanish
 Alert 09 – 35

Dropped Stands Of Drill Pipe Results In Incidents

English Spanish
 Alert 09 – 36 Dropped Generator Set English Spanish

YEAR 2008
 Alert 08 – 01 Working with Rotating Control Devices English Spanish
 Alert 08 – 02 Standpipe Pressure Gauge Thread Nipple Failure (Under Pressure) English Spanish
 Alert 08 – 03 Crane Rig Up Results in Fall from Height English Spanish
 Alert 08 – 04 Failure of Counter Balanced Lids for Waste Storage Areas Result in Injuries English Spanish
 Alert 08 – 05 Fall from Scaffolding Results in Employee Injury English Spanish
 Alert 08 – 06 Fatality while Trying to Fill up Casing English Spanish
 Alert 08 – 07 Helicopter Lifts off without Warning while HLO Assists Passenger English Spanish
 Alert 08 – 08 LTI – Struck by Flowline and Fall in Substructure English Spanish
 Alert 08 – 09 Unsecured Load Results in an Injured Employee English Spanish
 Alert 08 – 10 Dropped String – High Potential Incident Results from Pulling Against Closed BOP Pipe Rams English Spanish
 Alert 08 – 11 Improper Use of Elevators with Top Drive Assembly English Spanish
 Alert  08 -12 Fall From Height Results In LTI English Spanish
 Alert 08 – 13 Improper Attachment of Safety Line Results In A Dropped Object English Spanish
 Alert 08 – 14 Mud Pump Maintenance Results In Serious Injury English Spanish
 Alert 08 – 15 Monkey Board Incident Results In MTO English Spanish
 Alert 08 – 16 Dropped Object During Truck Loading Operation Results in Lost Time Incident English Spanish
 Alert 08 – 17 Third-Party Crane and Crane Operator Supervision English Spanish
 Alert 08 – 18 Fall From Casing Results in LTA English Spanish
 Alert 08 – 19 Tong Clevis Detaches Resulting in Employee Injury English Spanish
 Alert 08 – 20 Improper Lifting Practice (LTI) English Spanish
 Alert 08 – 21 Installing Annular BOP Results in RWC English Spanish
 Alert 08 – 22 Injury Results from Working on Pressurized Equipment English Spanish
 Alert 08 – 23 Improper Lifting Practice Results in a (Restricted Work / Transfer Case) English Spanish
 Alert 08 – 24 Derrick Operations Results in a Fatal Incident English Spanish
 Alert 08 – 25 Dropped Object – Falling Sledge Hammer English Spanish
 Alert 08 – 26 Fall from Height Results in Double MTO English Spanish
 Alert 08 – 27 Galley Fire Occurs During Drill English Spanish
 Alert 08 – 28 Employee's Arm Fractured While Using Pull Back Rope English Spanish
 Alert 08 – 29 Rig Move Vehicle Incident English Spanish
 Alert 08 – 30 Casing Running Operation Results in LTI English Spanish
 Alert 08 – 31 Thumb Injury Results in LTI English Spanish
 Alert 08 – 32 Fatality – High Pressure Air Release English Spanish
 Alert 08 – 33 Inadvertent Activation of Control Lever Results in Serious Injury English Spanish
 Alert 08 – 34 Fatal Incident Occurs During Rig Move Activity English Spanish
 Alert 08 – 35 Crane Failure Results in Dropped Load English Spanish
 Alert 08 – 36 Traveling Block Hits Crown Resulting in a Fatal Incident English Spanish
 Alert 08 – 37 Fatal Incident – Worker Caught Between Outrigger and Chassis of Crane English Spanish
 Alert 08 – 38 Dropped Object (Casing High Potential Near Miss English Spanish
 Alert 08 – 39 Dropped Object:  Thermal Tree Cap (TEA Cosy) Falls Resulting in Fatality English Spanish
 Alert 08 – 40 Failure of Back Flow Valve During Nitrogen Foam Frac Results in a Fatality English Spanish
 Alert 08 – 41 Near Miss – Dropped Casing when Elevators not Latched Correctly English Spanish
 Alert 08 – 42 Dropped Object:  Kelly Disconnects form Hook English Spanish
 Alert 08 – 43 Rig Fire Occurs while Rig is in Shipyard for Modifications English Spanish

YEAR 2007
 Alert 07 – 01 Derrickman Falls Across Derrick English Spanish
 Alert 07 – 02 Drilling with AIR, Aerated Mud or Foam English Spanish
 Alert 07 – 03 Mast Raising Line Failure English Spanish
 Alert 07 – 04 Self Retracting Lifeline Cable Failure English Spanish
 Alert 07 – 05 Incident Involving the Link Tilt Results in an LTI English Spanish
 Alert 07 – 06 Near Miss – Dropped Joint of Casing English Spanish
 Alert 07 – 07 Fall on Plastic Berm Liner Results in an LTI English Spanish
 Alert 07 – 08 Dropped Drill Pipe Stand Results in Near Miss English Spanish
 Alert 07 – 09 Dropped Object Results in Serious Near Miss English Spanish
 Alert 07 – 10 Two Auxiliary Brake Incidents Result From Miscommunication English Spanish
 Alert 07 – 11 Serious Injury Results From Fall From Ladder English Spanish
 Alert 07 – 12 Misuse of High Pressure Cleaner English Spanish
 Alert 07 – 13 Dropped Crane Block Hook Latch English Spanish
 Alert 07 – 14 Rig Down Lifting Operation Results in a Fatality English Spanish
 Alert 07 – 15 Stringing Up Drill Line Results in LTI English Spanish
 Alert 07 – 16 Mud Overflow Incident English Spanish
 Alert 07 – 17 Near Miss – Lost Control of Drawworks English Spanish
 Alert 07 – 18 Dropped Object – Satellite Dome English Spanish
 Alert 07 – 19 Improper Use of Retractable Life Line Results in an LTI English Spanish
 Alert 07 – 20 Labeling Chemicals English Spanish
 Alert 07 – 21 Torch Cutting Operations Results in a Fire English Spanish
 Alert 07 – 22 Dropped Object:  Fast Line Guide Roller English Spanish
 Alert 07 – 23 Crane Operations – Dropped Dog House English Spanish
 Alert 07 – 24 High Potential Dropped Object English Spanish
 Alert 07 – 25 Failure of Temporary Wireline Spool Stand Results in Caught Between Incident English Spanish
 Alert 07 – 26 Caustic Barrel Steam / Acetylene Cutting Results in an Injury English Spanish
 Alert 07 – 27 Incorrect Sling Application Results in High Potential Near Miss English Spanish
 Alert 07 – 28 Mast Collapse Results from Removal of Wrong Pins English Spanish
 Alert 07 – 29 Personnel Hoist Stuck in "Hoist" Position English Spanish
 Alert 07 – 30 Fatal Incident Occurs While Demonstrating a Fault in Control System English Spanish
 Alert 07 – 31 LTI – Drill Line Spool Pinch Point English Spanish
 Alert 07 – 32 Miscommunication Results in a Near Miss English Spanish
 Alert 07 – 33 Lack of Adequate Rest and Attention Resulting in an LTI (Rigmove) English Spanish
 Alert 07 – 34 Coupling Failure Between Drawworks Drive Shaft and Electric Auxilary Brake…Allows Blocks to Fall English Spanish
 Alert 07 – 35 Personnel Hoisting Incident Results in a Fatality English Spanish
 Alert 07 – 36 Loose, Unsecured Clothing Results in a Fatality English Spanish
 Alert 07 – 37 Employee Falls From Derrick Board English Spanish
 Alert 07 – 38 Hand Injury Results From Miscommunication English Spanish
 Alert 07 – 39 Wire Rope Parted Results in a High Potential Near Miss English Spanish
 Alert 07 – 40 Fall from Height Results in LTI (Rig Move) English Spanish

YEAR 2006
 Alert 06 – 01 Mismatched Hammer Union Results In A Fatality English Spanish
 Alert 06 – 02 Safety Retracting Lifeline Blocks and Rotating Machinery English Spanish
 Alert 06 – 03 High Potential Near Miss/Dropped Lifting Sub English Spanish
 Alert 06 – 04 Microwave Oven Hazard English Spanish
 Alert 06 – 05 Dropped Bushing Results in Amputation of Toes English Spanish
 Alert 06 – 06 Single Joint Elevator / Near Miss English Spanish
 Alert 06 – 07 Lost Control of Drill Pipe Results in a Fatality English Spanish
 Alert 06 – 08 High Potential Incident – Dropped Kelly English Spanish
 Alert 06 – 09 Fall While Rigging Down Results In a Dislocated Shoulder (MTO) English Spanish
 Alert 06 – 10 Standing On Casing Results in an LTI English Spanish
 Alert 06 – 11 Near Miss – Equipment Failure at 14,000 PSI English Spanish
 Alert 06 – 12 Top Drive Impacts Stabbing Board English Spanish
 Alert 06 – 13 Dropped Object From Derrick English Spanish
 Alert 06 – 14 Caught Between-Spooling Cable Results in an Injury English Spanish
 Alert 06 – 15 Improper Use of Power Hand Tool Results in Injury English Spanish
 Alert 06 – 16 Near Miss-Section of Windwall Became Detached English Spanish
 Alert 06 – 17 Handling Pendant Wire Resulted in Cut Hand English Spanish
 Alert 06 – 18 Near Miss – Drill String Parts When BOP Pipe Rams are Left Closed English Spanish
 Alert 06 – 19 Temporary Placement of Mud Hose in Walkway Results in a Tripping Incident English Spanish
 Alert 06 – 20 Failure to Stop Unsafe Operations Results in a Broken Ankle English Spanish
 Alert 06 – 21 Forklift Cut Electrical Line With Outrigger English Spanish
 Alert 06 – 22 Near Miss – Exploding Battery English Spanish
 Alert 06 – 23 Forklift Incident – Broken Leg English Spanish
 Alert 06 – 24 Short Fall Results in a Fatality English Spanish
 Alert 06 – 25 Poor Quality Light Fixture Causes Fire English Spanish
 Alert 06 – 26 Cleaning Mud From Drill Collars Results In Finger Amputation English Spanish
 Alert 06 – 27 Poor Communications Results in Pipe Being Pulled in Two English Spanish
 Alert 06 – 28 Sling Parted and Dropped Drill Pipe English Spanish
 Alert 06 – 29 Transportation Fatality Accident English Spanish
 Alert 06 – 30 High Potential Near Miss – Man Lifted from Deck of Supply Vessel English Spanish
 Alert 06 – 31 Tong Die Safety – Failure to Use Proper Tools and PPE Results in Eye Injury English Spanish
 Alert 06 – 32 Residual Pressure in BOP Results in Finger being Trapped English Spanish
 Alert 06 – 33 Dropped Object – Derrickboard Slide Bar Incident English Spanish
 Alert 06 – 34 Near Miss Incident Breathing Apparatus Valve Failure English Spanish
 Alert 06 – 35 Release of Pressure Results in Laceration and Sutures English Spanish
 Alert 06 – 36 Fall Results in Recordable Injury English Spanish
 Alert 06 – 37 Slips Knocked Over Resulting in LTI Foot Injury English Spanish
 Alert 06 – 38 Working on Exposed Rotating Machinery Results in LTI English Spanish
 Alert 06 – 39 Incorrect Heater on Traction Motor Results in Fire English Spanish
 Alert 06 – 40 42 Inch Drive Down Adapter Falls to Rig Floor Resulting in a Fatality English Spanish
 Alert 06 – 41 Confined Space – Unauthorized Tank Entry English Spanish
 Alert 06 – 42 Maintenance – Trapped Pressure English Spanish
 Alert 06 – 43 Failure of Safety Devices Allowed Casing Stabbing Basket to Fall to Rig Floor English Spanish
 Alert 06 – 44 Fork Lift Truck Tire Explodes Resulting in a Near Miss English Spanish

YEAR 2005
 Alert 05 – 01 Personnel Hoisting Incident Results In a Fatality English Spanish
 Alert 05 – 02 Dropped Object – Employee Struck By Sling English Spanish
 Alert 05 – 03 Improper Tool Selection Results In Injury English Spanish
 Alert 05 – 04 Fall From Monkey Board Results In a Fatality English Spanish
 Alert 05 – 05 Battery Changing, Ventilation, and Storage English Spanish
 Alert 05 – 06 Safety Hook Failure – Chemical Corrosion English Spanish
 Alert 05 – 07 Unsafe Hoisting & Rigging Practice English Spanish
 Alert 05 – 08 LTA – Floorman Struck by Snub Line English Spanish
 Alert 05 – 09 Improper Rigging Results In Fatality English Spanish
 Alert 05 – 10 Battery Explodes While Being Jump Started English Spanish
 Alert 05 – 11 Fall/Open Hole, LTI Incident English Spanish
 Alert 05 – 12 Derrick Diving Board Fell to Rig Floor English Spanish
 Alert 05 – 13 Unguarded Engine Fan Results in an Injury English Spanish
 Alert 05 – 14 Material Handling (Drill Pipe) Results in an LTI English Spanish
 Alert 05 – 15 Improper Use of Iron Roughneck™ Type Equipment Results in Damage English Spanish
 Alert 05 – 16 Modified Equipment – Battery Leads English Spanish
 Alert 05 – 17 Near Miss – Elevator Failure English Spanish
 Alert 05 – 18 Inadvertent Unlatching of Wellhead Connector English Spanish
 Alert 05 – 19 Worker Gets Hit in the Eye by a Piece of Steel English Spanish
 Alert 05 – 20 Master Bushings set on IP's Toe – LTI English Spanish
 Alert 05 – 21 Falls from Mud Mixing Platform English Spanish
 Alert 05 – 22 Near Miss – Derrickman Fell From Board English Spanish
 Alert 05 – 23 Blocks Drop to Rig Floor English Spanish
 Alert 05 – 24 Confined Space Incident English Spanish
 Alert 05 – 25 Dropped Accumulator Bottle Results in a Fatality English Spanish
 Alert 05 – 26 Safe Helicopter Operations English Spanish
 Alert 05 – 27 Suction Tank Confined Space Hazard English Spanish
 Alert 05 – 28 Fatal Incident results from removed Deck Opening Cover English Spanish
 Alert 05 – 29 Unsecured water jugs in Mast/Derrick English Spanish
 Alert 05 – 30 High potential incidents involving Single Joint / Pick Up Elevators English Spanish
 Alert 05 – 31 Dropped stand of Drill Collars results in near miss English Spanish
 Alert 05 – 32 Near Miss – Dropped Objects – unsecured marine riser inserts English Spanish
 Alert 05 – 33 Labeling of Containers – Hazardous Material Incident English Spanish
 Alert 05 – 34 Flash Fire at Degasser Line Flare Pit Injures Worker English Spanish
 Alert 05 – 35 Load Binder Injury English Spanish
 Alert 05 – 36 Improper Use of Power Hand Tool Results in Injury English Spanish
 Alert 05 – 37 Dropped Object-Improper Rigging of Drum Sling English Spanish
 Alert 05 – 38 Ladder Incident-Driller Fractures Back and Wrist in Fall English Spanish
 Alert 05 – 39 Health Issue-Soft Tissue Infections (MRSA) English Spanish
 Alert 05 – 40 Welding Operations Results in an Eye Injury English Spanish
 Alert 05 – 41  Cargo Handling Operations Results in Fatality of a Supply Vessel Crewmember English Spanish
 Alert 05 – 42 Near Miss – Mud Pump Relief Line English Spanish
 Alert 05 – 43 Crane Block Side Plate Dropped From Block English Spanish
 Alert 05 – 44 BOP Overhead Crane Wire Line Failure English Spanish
 Alert 05 – 45 Man-Riding Operation Results In A Fatality English Spanish
 Alert 05 – 46 Use of Improper Cutting Tools Result In Injuries English Spanish
 Alert 05 – 47 Elevator Link-Tilt Incident English Spanish

YEAR 2004
 Alert 04 – 01  Drive Pipe Hammering Incident English Spanish
 Alert 04 – 02  Fall Results in Serious Injury English Spanish
 Alert 04 – 03  Improper Slinging Results in a Fatality & Two LTI's English Spanish
 Alert 04 – 04  Lanyard Caught in Kelly Results in a Fatality English Spanish

 Alert 04 – 05

 Fatal Accident Involving a Flexible Hose

English Spanish
 Alert 04 – 06  Repair Work Results in Eye injury English Spanish
 Alert 04 – 07  Wrench Dropped from Derrick English Spanish
 Alert 04 – 08  Unsecured Load Results in a Fatality English Spanish
 Alert 04 – 09  Lowering Bell Nipple Results in a Fatality English Spanish

 Alert 04 – 10

 Use of Rope for Elevator Hobble Results in LTI

English Spanish

 Alert 04 – 11

 Management of Change Tong Snub-Line Removal Results in an Injury

English Spanish

 Alert 04 – 12

 Climbing on Equipment Results in Dislocated Shoulder

English Spanish

 Alert 04 – 13

 Cleaning Operating Equipment Results in Hand Injury

English Spanish
 Alert 04 – 14  Failure to Follow Lockout Procedure Results in Injury English Spanish
 Alert 04 – 15  Making Up Bit into Bit Sub Results in High Potential Near Miss English  
 Alert 04 – 16  Plastic Coated Wire Rope Sling Separated at Swage English  
  Alert 04 -17  Failure to use Fall Protection Results in High Potential Incident English  
 Alert 04 – 18  Inadequate Engine Fan Guard Results in Lost Fingers English  

 Alert 04 – 19

 Inadequate Management of Change Results in a Fatality

English Spanish

 Alert 04 – 20

 Employees Hands Caught in Unsecured Cargo Box Lid

English Spanish

 Alert 04 – 21

 Crane Maintenance Results in an LTI

English Spanish

 Alert 04 – 22

 Rig Carrier Drives Off Accidentally

English Spanish
 Alert 04 – 23  Discharge of Synthetic Based Mud Overboard English Spanish

 Alert 04 – 24

 Hazards Using Portable Powered Tools

English Spanish

 Alert 04 – 25

 Fatal Accident Involving a Forklift

English Spanish

 Alert 04 – 26

 Fall Protection Devices

English Spanish

 Alert 04 – 27

 Dropped Object – Air Tugger Hook

English Spanish

 Alert 04 – 28

 Side Door Elevator Incidents English Spanish
 Alert 04 – 29  Failure to Use Fall Protection Results in a Fall English Spanish
 Alert 04 – 30  Electrical Troubleshooting Incident English Spanish
 Alert 04 – 31  Equipment Failure – Low Pressure Valve Used to Fill Casing Fails English Spanish

 Alert 04 – 32

 Cargo Handling Incident English Spanish
 Alert 04 – 33  Use of Load Boomer Results in Two Incidents English Spanish
 Alert 04 – 34  H2S Inhalation: Man Fell from Tote Tank Resulting in an LTI English Spanish
 Alert 04 – 35  Drill Line Spool Runaway English Spanish

 Alert 04 – 36

 Jars Fired with Drill String in Slips English Spanish
 Alert 04 – 37  Test Assembly Makeup Results in a Fatality English Spanish
 Alert 04 – 38  Joint of Drill Pipe falls to Rig Floor English Spanish
 Alert 04 – 39  Improper Tool Selection Results in Injury English Spanish
 Alert 04 – 40 Stabbing Board Incident Results in Fatality English Spanish
 Alert 04 – 41 Derrickman Pulled Off Board English Spanish
 Alert 04 – 42 Casing Running Incident Results in LTI English Spanish
 Alert 04 – 43 Employee Slipped While Going Down Stairs English Spanish
 Alert 04 – 44 Energized Power Tongs Result in Foot Injury English Spanish
 Alert 04 – 45 Dangers of Foam Sealant English Spanish
 Alert 04 – 46 Safety Hook Failure – Chemical Corrosion English Spanish
 Alert 04 – 47 Improper Rigging Results in a Fatality English Spanish
 Alert 04 – 48 Lack of Stairway Lighting Results in Fall English Spanish
 Alert 04 – 49 Dropped 18 5/8″ Casing Near Miss Incident English Spanish
 Alert 04 – 50 Stabbing Board Fall to Rig Floor Results in Fatality and Serious Injury English Spanish
 Alert 04 – 51 Vehicle Incident Results in Two Fatalities English Spanish

YEAR 2003

 Alert 03 – 01

 Nitrogen Bottles Improperly Filled

English Spanish

 Alert 03 – 02

 Laying Down Pipe Results in a Fall

English Spanish

 Alert 03 – 03

 Floorman Struck by Tongs Results in LTI

English Spanish

 Alert 03 – 04

 Riser Operations Results in a Fall

English Spanish

 Alert 03 – 05

 Radio Antenna Contacts High Voltage Power Lines

English Spanish

 Alert 03 – 06

 Rig Floor Dropped Object Results in Near Miss

English Spanish

 Alert 03 – 07

 Dropped Object from Derrick – Near Miss

English Spanish

 Alert 03 – 08

 Dropped Object – Joint of Heavy Weight Drill Pipe

English Spanish

 Alert 03 – 09

 Improperly Stored Hand Rails Results in Lost Time Injury

English Spanish

 Alert 03 – 10

 Decanting Synthetic Based Mud Can Result in a Flash Fire

English Spanish

 Alert 03 – 11

 Cable Caught in Rotary Hose Clamp Results in Near Miss

English Spanish

 Alert 03 – 12

 Attempting to Tighten Lifting Cap Results in a Lost Time Incident

English Spanish

 Alert 03 – 13

 Improper Position of Helper Results in Lost Time Incident

English Spanish

 Alert 03 – 14

 Failure of High Pressure Line Results in High Potential Serious Incident

English Spanish

 Alert 03 – 15

 Spinning Out Pipe With Top Drive Results in Injuries

English Spanish

 Alert 03 – 16

 Mismatched Hammer Unions Still being Found

English Spanish

 Alert 03 – 17

 Working on Operating Equipment Results in Hand Injury

English Spanish

 Alert 03 – 18

 Personnel Hoisting Incident

English Spanish

 Alert 03 – 19

 Lifting Eye Failure Results in Dropped Pump

English Spanish

 Alert 03 – 20

 Trapped Pressure Following Casing Test

English Spanish

 Alert 03 – 21

 Movement of Material Results in Dropped Gas Bottle

English Spanish

 Alert 03 – 22

 Use of Rope & Bucket to Catch Samples Results in a Hand Injury

English Spanish

 Alert 03 – 23

 Cracked Fuel Line Results in an Engine Fire

English Spanish

 Alert 03 – 24

 Attempted Service to Microwave Results in a Fatal Electrocution

English Spanish

 Alert 03 – 25

 Unprotected Flywheel Results in a Fatality

English Spanish

 Alert 03 – 26

 Laying Down Cut-Off Casing Joint Results in a Fatality

English Spanish

 Alert 03 – 27

 Fall from Rig Floor Results in Serious Injuries

English Spanish

 Alert 03 – 28

 Tong Incident Results in a Fatality

English Spanish

 Alert 03 – 29

 Sandblasting Activity Results in an Injection Injury

English Spanish

 Alert 03 – 30

 Modified Tong Attachment Results in MTO

English Spanish

 Alert 03 – 31

 Fall Overboard Results in a Fatality

English Spanish

 Alert 03 – 32

 Air Hose Incident Results in a Fatal Incident

English Spanish

 Alert 03 – 33

 Dropped Object – Derrick Light Fixture

English Spanish

 Alert 03 – 34

 Preventing Crown Collisions

English Spanish

 Alert 03 – 35

 Improper Hand Tool Use Results in Injury

English Spanish

 Alert 03 – 36

 High Pressure BOP Fluid Result in an Injection Injury

English Spanish

 Alert 03 – 37

 Man-Riding Incident

English Spanish

 Alert 03 – 38

 Mud Pump Maintenance Operations Results in a Face Injury

English  

 Alert 03 – 39

 Pipe Lay Down Operation Results in Broken Leg

English  

 Alert 03 – 40

 Nylon Sling Failed while Positioning BOP Control Pod

English  

 Alert 03 – 41

 Improper Hand Placement on Casing Tong Results in Finger Injury

English  

 Alert 03 – 42

 Rig Move Results in Fall and Near Miss

English  

 Alert 03 – 43

 Diverter Equipment – High Potential Consequences

English Spanish

 Alert 03 – 44

 Inattention Results in Galley Fire

English Spanish

 Alert 03 – 45

 Filling Casing with High Pressure Mud Pump Results in a Lost Time Incident

English Spanish

 Alert 03 – 46

 Proper Job Planning and Review

English Spanish
 Alert 03 – 47  Helicopter Landing Incident English Spanish
 Alert 03 – 48  Loss of Well Control Results in Rig Fire English Spanish
 Alert 03 – 49  Chemical Burn English Spanish
 Alert 03 – 50  Improper Installation, Commissioning & Testing of Crown Saver Device English Spanish
 Alert 03 – 51  Trapped Pressure in Annular Results in a Near Miss English Spanish

YEAR 2002

Alert 02 – 01

Maintenance on Personnel Lift Results in a Fatality

English Spanish

Alert 02 – 02

Inattention Allows Traveling Block to Strike Crown

English Spanish

Alert 02 – 03

Near Miss – Dropped Casing Rabbit

English Spanish

Alert 02 – 04

Dropped Object in the Derrick

English Spanish
Alert 02 – 05

Deep Well Pump Repair Results in a Fatality

English Spanish
Alert 02 – 06

Mud Pump Pulsation Dampener Explosion

English Spanish
Alert 02 – 07

Dropped Object from Derrick Results in LTI

English Spanish
Alert 02 – 08

Improper Rigging Results in Lost Cargo

English Spanish
Alert 02 – 09

Rope Caught in Mud Pit Agitator Causes RWC

English Spanish
Alert 02 – 10

Casing Incident Results in LTI

English Spanish
Alert 02 – 11

Engine Blower Fire

English Spanish
Alert 02 – 12

Fatal Incident – Man Lost Overboard

English Spanish
Alert 02 – 13

Failure to Wear Fall Protection Results in a Fatality

English Spanish
Alert 02 – 14

Incident involving Link-Tilt and Elevators

English Spanish
Alert 02 – 15

Pressure Washing Incident Results in Injection Injury

English Spanish
Alert 02 – 16

Hammering on Mud Pump Results in Mashed Finger

English Spanish
Alert 02 – 17

Overhead Shackle Failure Results in Dropped Tongs

English Spanish

Alert 02 – 18

Handling Bottle Rack Results in Crushed Finger

English Spanish
Alert 02 – 19

Rigging Down Operations Results in a Fall

English Spanish

Alert 02 – 20

Chemical Exposure Results from Trapped Pressure in MWD Tool

English Spanish
Alert 02 – 21

Dropped Object From Snubbing Unit

English Spanish
Alert 02 – 22

Top Drive Unit and Traveling Blocks Fall to Rig Floor

English Spanish
Alert 02 – 23

Personnel Hoisting Operations Results in a Restricted Work Case

English Spanish
Alert 02 – 24

Tubing Transfer Results in Near Miss

English Spanish
Alert 02 – 25

Greasing Crown Assembly – Near Miss

English Spanish
Alert 02 – 26

Flare Line Plot Results in a Reserve Pit Fire

English Spanish

Alert 02 – 27

Top Drive Strikes Joint of Tubing Resulting in a Near Miss

English Spanish
Alert 02 – 28

Winch Drum Line Slack Results in an LTI

English Spanish
Alert 02 – 29

Use of Slip Type Elevators Results in a Foot Injury

English Spanish

Alert 02 – 30

Inattention While Pulling Slips Results in Finger Amputation

English Spanish
Alert 02 – 31

Lifeboat Incident

English Spanish
Alert 02 – 32

Personnel Hoisting Incidents

English Spanish
Alert 02 – 33

Hand-Held Angle Grinder Injury

English Spanish
Alert 02 – 34

Safety Lanyard Near Miss Incident

English Spanish
Alert 02 – 35

Dropped Object (Drift Rabbit) Results in RWC

English Spanish
Alert 02 – 36

Hand Grinder Incident Results in Arm Laceration

English Spanish
Alert 02 – 37

Handling "Big Drilling Fluid Chemical Bags"

English Spanish
Alert 02 – 38

Dropped Object Related Incidents

English Spanish
Alert 02 – 39

Drill Pipe Handling Operations Results in LTI

English Spanish

Alert 02 – 40

Roustabout on Top of Pipe on Rack Results in an LTI

English Spanish
Alert 02 – 41

Improper Storage of Pipe on Racks Results in a LTI

English Spanish
Alert 02 – 42

Material Handling Incident

English Spanish
Alert 02 – 43

Drill Collar Backs out of Lift Sub

English Spanish
Alert 02 – 44

Improper Storage of Hazardous Liquid

English Spanish

Alert 02 – 45

Stabbing Board Incident Results in an LTI

English Spanish

Alert 02 – 46

Fall from Mud Pump

English Spanish
Alert 02 – 47

Air Compressor Line Rupture Results in an LTI

English Spanish

Alert 02 – 48

Improper Hole Covering Results in Injuries

English Spanish
Alert 02 – 49

Dropped Blocks Incident

English Spanish
Alert 02 – 50

Cutting Off Casing Results in Fire in the Cellar

English Spanish

Alert 02 – 51

Flash Flood Incident

English Spanish
Alert 02 – 52

Vehicle Accidents – Seat Belts Save Lives

English Spanish

Alert 02 – 53

Crane Boom Failure

English Spanish

Alert 02 – 54

Personnel Hoisting Incident

English Spanish
Alert 02 – 55

Fall from Ladder Results in a Fatality

English Spanish

YEAR 2001

Alert 01 – 01

Holes In Decks Or Walkways

English Spanish

Alert 01 – 02

Man-Riding Winch Operations Near Miss Incident

English Spanish

Alert 01 – 03

Rig Floor Winch Incident

English Spanish
Alert 01 – 04

Side Door Collar Elevators Drops Casing Joint

English Spanish

Alert 01 – 05

Alternative Cutting Tools

English Spanish

Alert 01 – 06

Hand Grinder Incidents

English Spanish

Alert 01 – 07

Foot Caught in Drawworks Braking System

English Spanish

Alert 01 – 08

EPIRB Operational Matters

English Spanish

Alert 01 – 09

Derrick Fall Protection Tie-Off Anchor Failure

English Spanish

Alert 01 – 10

Derrickman Climb Assist

English Spanish

Alert 01 – 11

Near Miss-Sticking BOP Control Valve

English Spanish
Alert 01 – 12

Near Miss-Dropped Bundle of Drill Pipe

English Spanish

Alert 01 – 13

Fall From Rig Floor

English Spanish

Alert 01 – 14

Two Crewmen Fatally Injured When Struck by a Stand of Drill Pipe

English Spanish

Alert 01 – 15

Crewmember Fatally Injured in Fall

English Spanish

Alert 01 – 16

Personnel Hoisting (Man-Riding) Fatal and Near Miss Incidents

English Spanish

Alert 01 – 17

Near-Miss: Crane Fast Line and Load Line Become Entangled

English Spanish
Alert 01 – 18

Tail Rope and Drill Pipe Incident

English Spanish

Alert 01 – 19

Fatality – Fall From Derrick Ladder

English Spanish

Alert 01 – 20

Energy Forces Must be Taken into Account

English Spanish

Alert 01 – 21

Heat Related Conditions

English Spanish

Alert 01 – 22

Crane Boom Pulled Backwards Over the Cab

English Spanish

Alert 01 – 23

Improper Storage of Materials

English Spanish

Alert 01 – 24

Fall from Top Drive Causes Two LTIs

English Spanish

Alert 01 – 25

PPE-Goggles Needed for Moving/Handling Chemicals

English Spanish
Alert 01 – 26

Utility Air Hoist Incident

English  

Alert 01 – 27

Employee Killed When Gantry Crane Strikes Riser Skate

English Spanish

Alert 01 – 28

Fatality Involving Watertight Door

English Spanish

Alert 01 – 29

Beyond Safety Glasses

English Spanish
Alert 01 – 30

Handling Stabbing Guide Results In Fatality

English Spanish

Alert 01 – 31

Near Miss – Oxygen Bottle Drops from Crane

English Spanish
Alert 01 – 32

Fatal Incident – Crewman Crushed

English Spanish

Alert 01 – 33

Casing Hook Incident – Pinched Finger

English Spanish

Alert 01 – 34

Dropped Pipe Spinner

English Spanish

Alert 01 – 35

Fatality – Truck Rollover

English Spanish

Alert 01 – 36

Surface Detonation of Perforating Gun

English Spanish

Alert 01 – 37

Man Downed by H2S Gas

English Spanish

Alert 01 – 38

Overhead Power-Line Contact

English Spanish

Alert 01 – 39

Oxygen/Acetylene Torch Catches Fire and Explodes

English Spanish
Alert 01 – 40

Pressure Testing Fuel Hose Results in a Serious Injury

English Spanish
Alert 01 – 41

Temporary Opening in Stairway Causes Fatal Incident

English Spanish

Alert 01 – 42

Energy Isolation – Top Drive Repair Traps Fingers

English Spanish

Alert 01 – 43

Near Miss – Pressurization of a Tote Tank

English Spanish

Alert 01 – 44

Fall from Height, Fatality

English Spanish
Alert 01 – 45

BOP Control System Uncontrolled Pressure Release Causes LTI

English Spanish

Alert 01 – 46

Air Powered Impact Wrench Incident

English Spanish

Alert 01 – 47

Near Miss – Material Dropped from Overhead Load

English Spanish

YEAR 2000

Alert 00 – 01

Spider Bite

English Spanish

Alert 00 – 02

Uncontrolled Release Of Anchor Chain While Moored On Location

English Spanish

Alert 00 – 03

Multiple Rotary Hose Failures — Hose Separation From Steel End Couplers

English Spanish

Alert 00 – 04

Wrong Load Causes Crane Collapse

English Spanish

Alert 00 – 05

Battery Pack Falls From Light Fixture In Derrick

English Spanish

Alert 00 – 06

Proper Use Of Cotter Pins

English Spanish
Alert 00 – 07

Rig Damaged By Drill Collar Release From Fingerboard

English Spanish
Alert 00 – 08

Microwave Oven Safety

English Spanish
Alert 00 – 09

Ground/Bonding Wire

English Spanish

Alert 00 – 10

Worker Killed By Wireline Spool Unit

English Spanish
Alert 00 – 11

Casing Stabbing Basket Incidents

English Spanish

Alert 00 – 12

Pipe Racking System (PRS) Maintenance Incident

English Spanish

Alert 00 – 13

Lost Time Incident — Broken Finger

English Spanish

Alert 00 – 14

Near Fatal Injury When Pipe Dropped From Elevators

English Spanish
Alert 00 – 15

Additional Serious Incidents With Mismatched Hammer Unions

English Spanish
Alert 00 – 16

Slipping And Cutting Drill Line

English Spanish
Alert 00 – 17

Helicopter Loading / Unloading Practices

English Spanish

Alert 00 – 18

Fatality — Man Struck By Falling Object

English Spanish

Alert 00 – 19

Failure Of Annular Bop Element

English Spanish
Alert 00 – 20

Dropped Blocks

English Spanish

Alert 00 – 21

Near Miss — Crownout

English Spanish

Alert 00 – 22

LTI Shear Point — Lost Finger

English Spanish
Alert 00 – 23

Guardrail Failures

English Spanish

Alert 00 – 24

Proper Safety Clamp Locations Reduces Damage From High Pressure Hose Failures

English Spanish

Alert 00 – 25

Amputation — Fan Blade

English Spanish
Alert 00 – 26

Unexpected Anchor Release Causes Broken Leg

English Spanish

Alert 00 – 27

Auxiliary Brake

English Spanish
Alert 00 – 28

Near Miss — Anti-Two Blocking Devices

English Spanish
Alert 00 – 29

3rd Party Handling Tongs Results in Injury

English Spanish

Alert 00 – 30

Serious Fire Extinguisher Alert

English Spanish
Alert 00 – 31

Drift Dropped From Derrick

English Spanish

Alert 00 – 32

Stabbing Board Related Incidents

English Spanish

Alert 00 – 33

Dropped 16″ Casing

English Spanish
Alert 00 – 34

Fatality: Cut – Off Wheel Fractures During Use

English Spanish

Alert 00 – 35

Missed Stand of Drillpipe Causes An LTI

English Spanish

Alert 00 – 36

Fatal Incident Occurs During Man – Riding Activity

English Spanish

Alert 00 – 37

Block Handing Line Load Path

English  

Alert 00 – 38

Lack Of Communication Causes Loss Of Fingers

English Spanish

Alert 00 – 39

Near Miss — Frozen Air Regulator

English Spanish

YEAR 1999

Alert 99 – 01

More On Fall Protection

English Spanish

Alert 99 – 02

Forklift Accident

English Spanish

Alert 99 – 03

Traveling Block-Crown Incident

English Spanish

Alert 99 – 04

Rig Tong Snub Lines

English Spanish

Alert 99 – 05

Wire Rope Failure

English Spanish

Alert 99 – 06

Lockout/Tagout Procedures

English Spanish

Alert 99 – 07

Crane Collapses On Location

English Spanish

Alert 99 – 08

Air Hoist Safety

English Spanish

Alert 99 – 09

Brake Linkage Failure

English Spanish

Alert 99 – 10

Manual Tong Safety

English Spanish

Alert 99 – 11

Drill Pipe Slips

English Spanish

Alert 99 – 12

Identifying Control Panel Valves

English Spanish

Alert 99 – 13

Using Equipment Under Pressure

English Spanish

Alert 99 – 14

Rigging Down Safety

English Spanish

Alert 99 – 15

Handrail Inspections And Safety

English Spanish

Alert 99 – 16

Ladder Safety

English Spanish

Alert 99 – 17

Rig Collapse With Fatalities And Injuries

English Spanish

Alert 99 – 18

Power Tong Incident

English Spanish

Alert 99 – 19

Top Drive Incident

English Spanish

Alert 99 – 20

Unloading Casing Elevators

English Spanish

Alert 99 – 21

Third Party Electrocution

English Spanish

Alert 99 – 22

Catastrophic Failure Of 50 CC Retorts

English Spanish

Alert 99 – 23

Unsecured Cover Fractures Arm

English Spanish

Alert 99 – 24

Cementing Casing

English Spanish

Alert 99 – 25

Elevator Fatality

English Spanish

Alert 99 – 26

Standing Under Suspended Load

English Spanish

Alert 99 – 27

Pressurized Cargo Hose Near Miss Incidents

English Spanish

Alert 99 – 28

Hydraulic Telescoping Cylinder Failure

English Spanish

Alert 99 – 29

Crane Operations Incident

English Spanish

Alert 99 – 30

Marine Riser Buoyancy

English Spanish

Alert 99 – 31

High Pressure Release Of Trapped Nitrogen

English Spanish

Alert 99 – 32

Top Drive Swivel Stem Parted

English Spanish

Alert 99 – 33

More On Mismatched Hammer Unions

English Spanish

Alert 99 – 34

Gardner Denver Safety Notice

English Spanish

Alert 99 – 35

SCBA Facepiece Safety Notice

English Spanish

Alert 99 – 36

Traveling Block/Power Swivel Collision With Stand Of Pipe

English Spanish

Alert 99 – 37

Casing Tong Support Spring Failure

English Spanish

Alert 99 – 38

Pressure Trapped In Sub Sea BOP Stack DDV Solenoid Housing

English Spanish

YEAR 1998
     

Alert 98 – 01

    High Pressure Lines And Hammer Unions
English Spanish

Alert 98 – 02

Kelly Wear and Damage

English Spanish

Alert 98 – 03

Adjustable Pipe Wrenches

English Spanish

Alert 98 – 04

Radio Frequency Radiation Hazards

English  

Alert 98 – 05

Exposure To Noise

English  

Alert 98 – 06

Forklift Safety

English  

Alert 98 – 07

Potential For Fire: Air Compressors

English  

Alert 98 – 08

Running Casing Safely

English  

Alert 98 – 09

BOP Fall Protection

English  

Alert 98 – 10

Pressure Washing Safety

English Spanish

Alert 98 – 11

Improper Use Of Hand Tools

English Spanish

Alert 98 – 12

Cutting Drilling Line

English Spanish

Alert 98 – 13

Mud Logger Explosion & Fire

English Spanish

Alert 98 – 14

Bolt Breakage

English  

Alert 98 – 15

Trapped Fluid Hazards

English  

Alert 98 – 16

Stored Energy Hazards

English  

Alert 98 – 17

Crew Boat Safety

English  

Alert 98 – 18

Crane Rig-Up/Rig – Down Safety

English  

Alert 98 – 19

Fall Protection

English  

Alert 98 – 20

Flush Mounted Slips

English  

Alert 98 – 21

Welding Shop Trash Cans

English  

Alert 98 – 22

Lightning Protection

English  

Alert 98 – 23

High Pressure Hose Safety

English Spanish

Alert 98 – 24

The Millennium Bug

English  

Alert 98 – 25

Full Body Harness Safety

English  

Alert 98 – 26

More On Casing Safety

English  

Alert 98 – 27

Energy Lock – Out Procedures

English Spanish

Alert 98 – 28

Crew Change Communications

English Spanish

Alert 98 – 29

Power Line Safety

English Spanish

Alert 98 – 30

Family Passports

English Spanish

Alert 98 – 31

Drilling Breaks

English Spanish

Alert 98 – 32

Fatality – Crane Accident

English Spanish

Alert 98 – 33

Fatality – Contract Welder

English  

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