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901 Oil and Gas Hazard Awareness
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Catastrophic Events

Catastrophic accidents involve the destruction of the drilling rig and/or injuries to multiple employees.

Rig Blows Out Tubing!

Blowouts, derrick collapse, and hydrogen sulfide accidents are included in this category.

Even though these accidents frequently may involve loss of life as well as the major destruction of equipment, the actual number of casualties represents only a small percentage of the total occupational injury incidence and severity rates in well drilling.

Knowledge Check Choose the best answer for the question.

3-5. Which of the following is considered a catastrophic drilling rig event?