[1] The field runs roughly southeast to northwest through the Los Angeles Basin, stretching from the middle of San Pedro Bay through Long Beach and east of the Palos Verdes Peninsula.
In 2013, the USGS estimated future potential production from the combined Wilmington-Belmont oilfield could be around 900 million barrels (140,000,000 m3).
2 well in 1932, which flowed at 150 bbl per day, and the broad anticline structure itself was discovered in 1936 by the General Petroleum Corp.'s Terminal No.
[8] A series of transform faults divides the field into separate blocks which form barriers to fluid movement and pressure changes.
[9] Basement consists of the Catalina Schist and is overlain with up to 8,000 feet of Miocene and Pliocene sediments, the main oil producing zones being the Puente and Repetto sandstones.