Macarthur river field, alaska

Timeline · 2 messages, oldest first

1. 1
   NOAAORR-68851992-04-21 00:00Z → cancelled 1992-05-05 00:00Z
   Unocal granite point platform; granite point, upper cook inlet, alaska

   UNOCAL Granite Point Platform; Granite Point, Upper Cook Inlet, Alaska.
   Granite Point, Upper Cook Inlet, Alaska.
   1. On April 21, 1993, 2,000 gallons of diesel were spilled from the UNOCAL Granite Point Platform into Upper Cook Inlet. While transferring diesel from the main fuel tank to a day tank, a valve was inadvertently left open. The day tank overflowed and poured diesel into the inlet for about five hours before the valve was closed. UNOCAL mustered a full response team to the CISPRI command post in Nikiski and launched several CISPRI vessels with sorbent sweep. The strong tidal currents stretched the diesel sheen for a few miles. The USCG joined UNOCAL on overflights monitoring the rapidly dispersing diesel. Within three tidal cycles the diesel sheen had disappeared. Collecting the diesel from response vessels proved unsuccessful. During the incident, the weather was clear with light winds from the southwest. USCG district 17. Keyword: evaporation, dispersion.
   2. COMMODITY: DIESEL. MAXIMUM POTENTIAL RELEASE: 2000 GALLONS.
   3. POSITION 60.957N 151.326W. NOAA INCIDENTNEWS 6885: https://incidentnews.noaa.gov/incident/6885

2. 2
   NOAAORR-68861992-04-25 00:00Z → cancelled 1992-05-09 00:00Z
   Macarthur river field, alaska

   ARCO King Salmon Platform; MacArthur River Field, Alaska.
   MacArthur River Field, Alaska.
   1. A release of Cook Inlet crude occurred from the ARCO King Salmon Platform about 0845 on April 25, 1992. Apparently, the King Salmon Platform was draining its production separator and failed to equalize pressure, causing a skimmer tank to fill too quickly, thus resulting in a tank overflow of 8 to 10 barrels of crude oil. The overflow created a black slick approximately 400 by 100 feet. At the time of the incident, the weather was clear, the seas calm, and the winds light to nonexistent. Within an hour the Cook Inlet Spill Prevention and Response Inc. (CISPRI) was on the scene. The response ended on the evening of April 27. USCG district 17. Keyword: skimmers, sorbent boom.
   2. COMMODITY: CRUDE OIL. MAXIMUM POTENTIAL RELEASE: 420 GALLONS.
   3. POSITION 60.883N 151.617W. NOAA INCIDENTNEWS 6886: https://incidentnews.noaa.gov/incident/6886