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All Oil & Gas Companies
Oil & Gas Companies in California
Contra Costa County, CA Oil & Gas Companies
Oil & Gas Companies in Contra Costa County, CA
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Company Name
Company Location
Company Type
Most Recent Production
1
Enerfin Resources Northwest Limited Partnership
Oil & Gas Operator
Jan 2022
2
EOG Resources, Inc.
Midland, TX 79702
Oil & Gas Operator
Sep 2025
Production numbers shown above are only for Contra Costa County, CA and for the production period listed.
Top Producing Companies in Contra Costa County, CA
California Resources Production Corporation
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