Oil And Gas Field Administrative Boundaries

Administrative boundaries for oil and gas fields in California.

CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas, and Geothermal Resources (as of January 1, 2020).

Update Frequency: As Needed
Organization: State of California
Last updated: 2025-07-23T14:22:15.745814
Tags: calgem, california-department-of-conservation, california-natural-resources-agency, caopendata, doc, geologic-energy-management-division, geothermal-resources, oil-and-gas, oil-fields