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   Gulf of Mexico Region

Spills ≥ 50 Barrels (2,100 gallons) – 1989

February 15, 1989 - Sandefer Offshore Operating Co.

Pollution: 400 bbl Crude Oil Operation: Production
Rig/Platform: Platform A Lease: G05558
Area: Block: Ship Shoal
202		 Cause: Equipment Failure: liquid level control
Distance to Shore: 54 Miles Water Depth: 112 Feet

Remarks: Oil slowly dumped from the production-separator water dump line into the skimmer. The wells produced no water so that the water legs in the production separator and skimmer were displaced with crude oil. The liquid level controller of the skimmer activated the dump valve to release oil into the water. Response: the dump valve was shut after the operator noticed the spill. Spillage was initially estimated at 300 bbl but later revised to 400 bbl.

OCS Report: MMS 91-0026

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Last Updated: 08/13/08, 08:05 AM

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