Oil & Gas Production in California

California Oil and Gas Production Heatmap
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California Oil and Gas Production By Year
California Oil and Gas Summary
Based on May 2026 Production

149 Producing Operators

29,427 Producing Wells On File

242.5 k Total Wells On File

6.8 M Barrels of Oil Produced

10.1 M MCF of Gas Produced

Top Producing Operators in California
Based on May 2026 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Wells
Aera Energy LLC 1,953,192 884,025 8,631
Asphalta LLC 34,635 20,874 48
Berry Petroleum Company LLC 485,095 29,864 1,215
Bridge Energy LLC 57,447 38,890 240
California Resources Elk Hills LLC 501,886 5,785,888 3,113
California Resources Production Corporation 449,282 589,844 2,325
Calnrg Operating LLC 119,788 131,625 1,081
Carbon California Operating Company LLC 40,106 104,564 405
Chevron U.S.A. Inc. 1,104,648 271,637 3,912
Crimson Resource Management Corp. 121,561 49,025 643
Holmes Western Oil Corporation 63,323 18,102 483
Macpherson Oil Company LLC 69,679 4,554 244
Newbridge Resources LLC 36,695 39,073 130
Pacific Coast Energy Company LP 52,086 39,092 207
Sentinel Peak Resources California LLC 736,788 400,225 2,848
Signal Hill Petroleum Inc. 86,928 53,026 187
Southern California Gas Company 5,315 646,371 58
Thums Long Beach Co. 371,996 164,378 650
Tidelands Oil Production Co. 169,993 48,530 307
Warren E&P Inc. 34,729 0 103
Top Producing Wells in California
Based on May 2026 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 04-030-67467 1y 01y_1100a Chevron U.S.A. Inc. Kern 5,310 18
# 04-030-60889 1y 1004a Chevron U.S.A. Inc. Kern 7,566 189
# 04-030-58294 1y 1105B Chevron U.S.A. Inc. Kern 4,866 10,585
# 04-030-62379 1y 2309a Chevron U.S.A. Inc. Kern 6,286 21
# 04-030-39074 Alpine 1150H Berry Petroleum Company LLC Kern 5,023 0
# 04-030-62738 Chardonnay 47X-35 Grapevine Energy LLC Kern 6,845 2,240
# 04-030-03809 DTR 12raa-34 Aera Energy LLC Kern 5,965 2,182
# 04-030-68990 Fairfield GF HP-41 Berry Petroleum Company LLC Kern 6,311 0
# 04-030-68558 Fairfield HP-45 Berry Petroleum Company LLC Kern 8,012 0
# 04-030-69427 Fairfield HP-64 Berry Petroleum Company LLC Kern 5,025 0
# 04-030-69164 King 1006LVH California Resources Production Corporation Kern 16,782 0
# 04-030-55348 McKittrick Front 129 Sentinel Peak Resources California LLC Kern 5,737 739
# 04-030-67451 McKittrick Unit 1-76R Sentinel Peak Resources California LLC Kern 8,265 399
# 04-030-69047 McKittrick Unit 2-134 Sentinel Peak Resources California LLC Kern 9,650 466
# 04-030-69653 McKittrick Unit 2-140 Sentinel Peak Resources California LLC Kern 5,637 272
# 04-030-64441 McPhee 0118B Chevron U.S.A. Inc. Kern 8,742 320
# 04-030-58291 McPhee 0120u Chevron U.S.A. Inc. Kern 6,664 677
# 04-019-04204 Premier 2-C Chevron U.S.A. Inc. Fresno 26,096 3,885
# 04-030-64449 Unspecified 2117V Chevron U.S.A. Inc. Kern 7,064 1,175
# 04-037-30508 Unspecified TC-1 Signal Hill Petroleum Inc. Los Angeles 15,005 26,431
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Browse All Producing California Counties
Production is based on May 2026 numbers
County Oil Prod Gas Prod
Colusa County, CA 0 BBLs 105,620 MCF
Contra Costa County, CA 1,160 BBLs 0 MCF
Fresno County, CA 295,584 BBLs 38,143 MCF
Glenn County, CA 0 BBLs 109,246 MCF
Humboldt County, CA 0 BBLs 22,214 MCF
Kern County, CA 4,692,074 BBLs 7,321,698 MCF
Kings County, CA 2,674 BBLs 0 MCF
Los Angeles County, CA 555,406 BBLs 880,810 MCF
Monterey County, CA 164,995 BBLs 45,948 MCF
Orange County, CA 137,257 BBLs 59,185 MCF
Sacramento County, CA 291 BBLs 55,026 MCF
San Benito County, CA 664 BBLs 826 MCF