Safety Alert
Miscommunication Results in a Near Miss
Miscommunication Results in a Near Miss
- IADC
- Safety Alert
- IADC Alert 07-32
- Control of WorkHuman Factors
- Human factorsMechanical failure
- Drilling
- Safety communication
- Upstream oil and gas
Summary
A near-miss alert describes a crew running a cement stinger on drill pipe. An extra joint identified during verification was set aside but not removed. The assistant driller returned it to the rack, misunderstanding its position. Continued running reached the hole bottom, buckling and breaking the pipe.
Classifications: Human factors; human performance; ergonomics.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
The crew was running in hole with 3 ½” cement stinger on 5” drill pipe.
IADC Alert 07-32. Themes: control of work, human factors.