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Oil, Gas & Geothermal- Geothermal Publications

Most of our publications may be downloaded in PDF format from this site (requires Adobe Reader).

For publications not available to download, contact Sonja Williams at the division headquarters office,  (916) 445-9686.


The Annual Report of the State Oil and Gas Supervisor includes a summary of California geothermal activities and geothermal statistics and charts.

California Laws for the Conservation of Oil, Gas, and Geothermal Resources and the California Code of Regulations (Title 14, Division 2, Chapters 2, 3 and 4). 

Information of a general nature is in this section.

Technical Reports
Geothermal technical publications are in this section.

Information in this section includes reporting production from oil, gas, and geothermal wells; water-shutoff tests; blowout prevention; and drilling in an H2S environment.


Publications: General Information


Publication Number Title / Description


California Oil, Gas, and Geothermal Resources, An Introduction
An overview of California's energy resources, including discussions of petroleum geology, exploration, production history, drilling technology, refining, transportation, conservation, environmental protection, and geothermal development (1983). 


Drilling and Operating Geothermal Wells in California
Division requirements and procedures summarized. Written for a new operator (1990).


Drilling Through Time
A history of California's oilfield and geothermal development and regulation, written by William Rintoul on the 75th anniversary of the Division of Oil, Gas, and Geothermal Resources. 227 photographs and illustrations, many never before published. Hardcover (1990, ISBN 0 9627124-0-X).


This Is the California Department of Conservation, Division of Oil and Gas
An illustrated outline of the functions of the Division of Oil, Gas, and Geothermal Resources (1989).   


Publications and Forms
List of publications and forms available from the Division of Oil, Gas, and Geothermal Resources (2008). 


Index to Oil, Gas, & Geothermal Publications
Keyword indexing to Division publications is provided for referencing (1990).


California Attorney General's Opinion
California Attorney General's opinion regarding regulations on drilling, operation, maintenance, and abandonment of oil, gas, and geothermal wells (1976). 


Oil, Gas, and Geothermal Fields in California
Map showing California oil, gas, and geothermal fields; sedimentary basins with oil and gas production; and California counties with commercial oil, gas, and geothermal production (2001). 


Energy Map of California
Map showing sedimentary basins; oil, gas, and geothermal fields; oil, gas, and product pipelines; tanker ports; refineries; and geothermal, nuclear, wind, cogeneration, hydroelectric, and fossil fuel electrical-generation plants. (2000).