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:: General :: Safety Alerts :: tripping in the hole Fatality Author Topic: tripping in the hole Fatality (Read 199 times) Leonard Administrator member is online To-days readers are tomorrow leaders: Joined: Mar 2003 Gender: Male Posts: 2,623 Location: England/Singapore tripping in the hole Fatality « Thread Started on Aug 22, 2009, 5:02pm » tripping in the hole Fatality IMMEDIATE ALERT DATE: March 27, 2009 TASK: Tripping In Hole INJURY: Fatality INCIDENT DESCRIPTION: During the night shift the crew was tripping to bottom with the drill string. At approximately 745 meters into the hole, the drill string hit a bridge and became hung up. As a result in the sudden stop of the drill string the drawworks drum spooled off excess drill line until the drum brakes were applied. It was determined that the drill line would have to be spooled back onto the drum. It is believed that the worker proceeded to the area between the derrick and the drawworks. The drill string became free as it fell through the bridge. The drill line whipped up and towards the drawworks. It is believed that the drilling line struck worker as the slack in the drill line tightened. As a result the worker sustained fatal injuries from the impact. Interim Corrective Actions Required: All Rig Managers and Supervisors must review their site specific procedures and hazard assessments pertaining to encountering obstructions (bridges) in the wellbore. If an obstruction is encountered while running in the wellbore which stops the drill string and results in slack drilling line, apply the drawworks brakes and set the slips immediately. This will prevent uncontrolled movement of overhead equipment and uncontrolled movement of the drill string. All personnel must clear the floor immediately and stand in a safe area until an assessment of the potential risks are conducted and appropriate steps are confirmed. In the event that an obstruction has been encountered, and the drilling line has spooled off the drum no personnel are permitted near the danger zone (within 1 meter of well centre and near drawworks) until the drill string has been secured from movement. The securement must be confirmed by the Rig Manager before proceeding with operations. Link to Post - Back to Top   Logged Resume at urukpeoghene Member member is offline Joined: Nov 2009 Gender: Male Posts: 5 Kicks While Drilling/Tripping « Reply #1 on Nov 14, 2009, 5:42pm » Please, can you throw more light on the following: Kicks While Drilling/Tripping « Last Edit: Nov 15, 2009, 3:17am by Leonard » Link to Post - Back to Top   Logged Forum Jump--------------------» Home--------------------» About The Drillers Club--------------------- Read more about the Drillers Club.--------------------» Oil, Drilling and World news section --------------------- Oil, Drilling and World news section --------------------» Club YouTube and Video files --------------------- Club YouTube and Video files --------------------» General--------------------- Oilmans' Notice Board - Idle Chat or BS- Oil Field Abbreviations and Acronym- Supporting Companies- Downloads, Tools, Useful Data Sheets and Company Links- Oil Field Humour- Oil Field Safety and Procedures - Drilling Glossary - Drilling courses and training schools- Company Profiles and New Builds- Safety Alerts--------------------» Drilling--------------------- Drill String and Bits- Casing and Cementing- Well Control --- Lost Circulation- Managed Pressure Drilling- BOP Equipment- Drilling Fluid- HPHT Drilling- Deep Water Drilling- Underbalanced Drilling- Coal bed methane drilling- Directional and Horizontal Drilling- Down Hole Problems- H2S- Casing While Drilling- Expandable Tubular- Oil Well Logging and Logging tools--------------------» Workover and Completion--------------------- Oil Well Completions- Coiled Tubing- Stripping and Snubbing- Workover Fluids - 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