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Gulf of Mexico Region

Spills ≥ 50 Barrels (2,100 gallons) – 1996

September 29, 1996 - Enserch Exploration, Inc.

Pollution: 104.8 bbl Crude Oil/ Condensate: None
Refined Petroleum: 104.8 bbl Diesel Synthetic Oil Fluids*: None
Chemicals: None Events: Pollution
MMS Investigation Report: Completed Activity: Development/Production
Lease: G07486 Operation: Drilling/Motor Vessel
Area: Garden Banks Cause: Weather,
M/V Lost Power
Block: 388 Distance to Shore: 171 Miles
Platform:

Rig:

 A                      Enserch Cooper Water Depth: 2,096 Feet

Remarks: The M/V "Seacor Champion", a 166' supply workboat, lost power and thruster operation while tied up to the "Garden Banks Cooper" drilling rig/platform with mooring lines. Seas were 4-6'. The M/V came in contact with the CSC-4 column 3 times before the Captain could get it released from the mooring lines. The M/V holed its diesel fuel day tank, sustained structural damage on its starboard side, and lost all power. The Cooper rig sustained cosmetic damage to the CSC-4 column. Approximately 4,400 gallons of diesel fuel were discharged from the M/V Seacor Champion's diesel fuel day tank. The cause of power and thruster failure remains unknown.

NRC Report: 362816 and 363722

October 12, 1996 - Samedan Offshore Corporation

Pollution: 60 bbl Crude Oil/ Condensate: None
Refined Petroleum: None Synthetic Oil Fluids*: None
Chemicals: 68 bbl Zinc Bromide Events: Pollution
MMS Investigation Report: Pollution Report Only Activity: Development/Production
Lease: G10687 Operation: Production
Area: Vermilion Cause: Equipment Failure
Block: 362 Distance to Shore: 95 Miles
Platform: B   Water Depth: 276 Feet

Remarks: The gate valve on the mixing line failed.

NRC Report: NONE

December 31, 1996 - Shell Offshore, Inc.

Pollution: 61.9 bbl Crude Oil/ Condensate: None
Refined Petroleum: 61.9 bbl Hydraulic Fluid Synthetic Oil Fluids*: None
Chemicals: None Events: Pollution
MMS Investigation Report: Pollution Report Only Activity: Construction
Lease: G11455 Operation: Drilling/Motor Vessel
Area: Garden Banks Cause: Equipment Failure
Block: 128 Distance to Shore: 119 Miles
Platform: A  Water Depth: 705 Feet

Remarks: Burst hydraulic hose released hydraulic oil while driving pilings 400' below water during construction.

NRC Report: 371891

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Last Updated: 10/19/09, 11:52 AM