Hilcorp Anna Platform Crude Oil Line Leak

Location Anna Platform and 8-inch crude oil pipeline located in the Upper Cook Inlet near Granite Point. (Lat/Long: 60.9763667, -151.315766)
Product/Quantity Cook Inlet crude oil. The amount released to the environment is unknown at this time. The 8-inch line’s maximum capacity is 461 barrels. The line was at full capacity when the impact occurred.
Cause Based on personnel observation and engineering analysis, the source is likely an 8-inch crude transmission pipeline linking the Anna and Bruce platforms. The pipeline runs 75-feet below Cook Inlet water surface.
Time/Date of Incident Exact time of release is unknown; however, the spill was discovered at 11:20 am on April 1, 2017.


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