Investigation Report
Gas Entered Platform Fresh-Water Supply During Well Washing
05-23-2008 02:00 G02445 VK/900 LWC - Surface - Required Muster
- BSEE
- Investigation Report
- Unknown
- Loss of containmentMechanical failurePotable-water hygiene
- Well intervention
- PumpsValve
- Emergency responseFunctional testingEnergy and process isolationSafety communication
- Upstream oil and gas
- Offshore installation
Summary
Investigation of gas entering a platform’s fresh-water supply during well washing, prompting suspension of production and crew muster. The report identifies a connected high-pressure water pump and leaking regulator, describes isolation and check-valve testing and replacement, and records provision of an independent water source for the pump.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Potable-water hygiene; legionella; drinking-water hygiene.
Classifications: Well intervention; workover; well servicing.
Classifications: Pumps.
Classifications: Valve; valves.
Classifications: Emergency response; emergency preparedness.
Classifications: Functional testing; function test.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.