Prudhoe Bay Field

OnshoreUnited States

Discovered 1968, Alaskan North Slope, peak about 1.5 million barrels per day in 1980.

Overview

The largest oil field ever found in North America, with about 25 billion barrels original in place. The Trans Alaska Pipeline System exists because of it. Production started in 1977 and still flows a fraction of peak. Gas cycling and heavy investments slowed its decline.

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