Investigation Report
Two Drilling Kicks During Deepwater Well Operations
10-27-2014 02:10 G33379 WR 578 Well Control Event (Shut In)
- BSEE
- Investigation Report
- Unknown
- Well controlWell integrity
- Drilling
- Gas detector
- Emergency responseAtmospheric gas testing
- Upstream oil and gas
- Vessel
Summary
Investigation of two drilling kicks on Maersk Valiant in Walker Ridge Block 578. The first discharged approximately 55 barrels of mud onto the rig floor; shut-in fractured the formation and casing shoe. ROV checks and wireline logs assessed containment. The second kick remained contained. Neither incident caused injuries or pollution.
Classifications: Well control; kick control; loss of well control.
Classifications: Well integrity; well life cycle integrity.
Classifications: Drilling; well drilling.
Classifications: Gas detector; gas monitor; gas detection instrument.
Classifications: Emergency response; emergency preparedness.
Classifications: Atmospheric gas testing; gas testing; atmosphere testing.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Vessel; aboard ship; onboard vessel.