The Dos Cuadras Offshore Oil Field is a large oil and gas field underneath the Santa Barbara Channel about eight miles southeast of Santa Barbara, California. Discovered in 1968, and with a cumulative production of over 260 million barrels of oil, it is the 24th-largest oil field within California and the adjacent waters. As it is in the Pacific Ocean outside of the 3-mile tidelands limit, it is a federally leased field, regulated by the U.S. Department of the Interior rather than the California Department of Conservation. It is entirely produced from four drilling and production platforms in the channel, which as of 2009 were operated by Dos Cuadras Offshore Resources (DCOR), LLC, a private firm based in Ventura. A blowout near one of these platforms – Unocal's Platform A – was responsible for the 1969 Santa Barbara oil spill that was formative for the modern environmental movement, and spurred the passage of the National Environmental Policy Act.
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👉 Dos Cuadras Offshore Oil Field in the context of 1969 Santa Barbara oil spill
The Santa Barbara oil spill occurred in January and February 1969 in the Santa Barbara Channel, near the city of Santa Barbara in Southern California. It was the largest oil spill in United States waters at the time. It remains the largest oil spill to have occurred in the waters off California.
The source of the spill was the January 28, 1969, blow-out on Union Oil's Platform A, located 6 miles (10 km; 5 nmi) from the coast in the Dos Cuadras Offshore Oil Field. Within a ten-day period, an estimated 80,000 to 100,000 barrels (13,000 to 16,000 m; 3,400,000 to 4,200,000 US gal) of crude oil spilled into the Channel and onto the beaches of Santa Barbara County in Southern California, fouling the coastline from Goleta to Ventura as well as the northern shores of the four northern Channel Islands. The spill had a significant impact on marine life in the Channel, killing an estimated 3,500 sea birds, as well as marine animals such as dolphins, elephant seals, and sea lions. The public outrage engendered by the spill, which received prominent media coverage in the United States, resulted in numerous pieces of environmental legislation within the next several years, legislation that forms the legal and regulatory framework for the modern environmental movement in the U.S.