Oil and Gas Leasing in California

oil pumping rig

Program Statistics - FY 2005

Total number of Leases


Total acres under lease


Federal oil production (barrels)


Federal gas production (thousand cubic feet)

3,381,234  MCF

Producing leases


Producing wells


Total revenues (royalty, bonus, and rents)


California Oil and Gas Highlights

1. California is the 3rd largest onshore producer of oil from Federal lands.

2. California is the largest producer of heavy oil in the US. Over 85% of production averages 13 API* gravity (or greater).

3. About 66% of California oil and gas production is from enhanced recovery, with the majority of that production coming from steam injection.

4. There are six super-giant fields in California which have already produced over 1 billion barrels of oil:

  • Wilmington
  • Midway-Sunset
  • Elk Hills
  • Huntington
  • Kern River
  • South Belridge

* American Petroleum Institute (API)