Investigation Report
Zinc Bromide Completion Fluid Discharge During Acid Job
12-03-2009 20:00 G31694 GC/97 Pollution
- BSEE
- Investigation Report
- Unknown
- Environmental protectionLoss of containment
- Fluid transferWell intervention
- Process pipework and pipelinesValve
- Competence and trainingLockout and tagoutOperating and work proceduresSafety communication
- Upstream oil and gas
- Marine watersOffshore installation
Summary
An investigation examines the discharge of 230 bbls of 15.7 ppg zinc bromide completion fluid during an acid job between a frac boat and rig. An open gumbo-box drain valve diverted returns overboard. Findings address valve alignment, communication and monitoring failures; subsequent measures included lockout/tagout, training and radios.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Fluid transfer; fluid loading; fluid offloading.
Classifications: Well intervention; workover; well servicing.
Classifications: Process pipework and pipelines; process piping.
Classifications: Valve; valves.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Lockout and tagout; LOTO; lockout/tagout.
Classifications: Operating and work procedures.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.
Classifications: Offshore installation; offshore platform; offshore rig.