Division of Spill Prevention and Response


Incident Description

Incident Location Map

Location Kuparuk 2L Well 320
Product/Quantity Doyon Drilling, Inc. (Doyon) staff estimated that approximately 45 barrels (1,890 gallons) of mineral oil based mud were released from a Doyon drill rig to snow-covered gravel pad, snow- covered tundra, the wind walls, and the secondary containment of the rig. Doyon staff estimated the volume based on the amount of make-up mud required to refill the bore hole.
Cause The cause of the release is under investigation.
Time/Date of Incident The incident occurred at 12:30 PM on January 9, 2011. The ConocoPhillips Alaska, Inc. (CPAI) reported the incident to ADEC at 2:02 PM on the same day.
Situation Reports

01/10/2011 (PDF 32K)

01/11/2011 (PDF 34K) -- FINAL
For more information
Tom DeRuyter, ADEC, Fairbanks - (907)451-2145