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Alpine CD1 Pad Crude Oil Spill

Location
Alpine Field CD 1 Pad, Prudhoe Bay. Latitude: N 70°20’ 41.8” Longitude: W 150° 55’ 21.4”
Time/Date of Incident
ConocoPhillips Alaska Inc. (CPAI) discovered the spill at 7:30 AM on May 17, 2008 and reported the spill to ADEC via the Alaska State Troopers at 11:07 AM May 17, 2008.
Spill Number
08399913801
Product/Quantity
CPAI reported 170 gallons of crude oil and produced water spilled to the snow covered gravel pad at the Alpine facility.
Cause
CPAI reported corrosion to this segment of facility piping to be the cause of the spill. After the insulation was stripped from the process line, Alaska Clean Seas (ACS), the North Slope spill response cooperative responders observed a pin hole sized leak. Investigators believe the cause was from an isolated internal corrosion. Non-destructive examination (radiography) indicates isolated pitting. Detailed investigation into the cause is ongoing.

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May 20, 2008