Marathon Oil Company1; Upper Cook Inlet, Alaska

Upper Cook Inlet, Alaska | 1987-Jan-19

Initial Notification: At approximately 0930 on January 19, 1987, an open fuel tank valve was discovered on the crane helping to erect the Marathon Oil Company's Steelhead offshore platform in Upper Cook Inlet, Alaska. The open valve had allowed 151 barrels of diesel to enter Cook Inlet over an unspecified period, although no oil slicks or sheens were noted on the water in the immediate vicinity of the platform. USCG district 17.