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 2025 Production

225 Producing Operators

39,336 Producing Wells On File

242.1 k Total Wells On File

9 M Barrels of Oil Produced

11.2 M MCF of Gas Produced

Top Producing Operators in California
Based on May 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Wells
Aera Energy LLC 2,098,332 914,683 8,713
Asphalta LLC 37,457 19,952 45
Berry Petroleum Company LLC 579,597 40,558 1,337
Bridge Energy LLC 58,301 43,053 230
California Resources Elk Hills LLC 597,868 6,190,976 3,089
California Resources Production Corporation 422,303 632,129 2,089
Calnrg Operating LLC 119,414 127,164 1,042
Carbon California Operating Company LLC 38,105 108,054 397
Chevron U.S.A. Inc. 2,620,286 334,777 11,252
Crimson Resource Management Corp. 159,530 24,729 685
E & B Natural Resources Management Corporation 223,297 93,270 1,008
Holmes Western Oil Corporation 57,848 17,866 464
Macpherson Oil Company LLC 74,235 0 268
Newbridge Resources LLC 41,788 27,563 217
Pacific Coast Energy Company LP 52,376 35,186 234
Sentinel Peak Resources California LLC 725,265 351,640 2,809
Signal Hill Petroleum Inc. 89,064 41,212 184
Thums Long Beach Co. 372,758 168,338 615
Tidelands Oil Production Co. 168,779 44,016 290
Warren E&P Inc. 48,030 10,321 101
Top Producing Wells in California
Based on May 2025 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 04-030-64826 1y 0601y Chevron U.S.A. Inc. Kern 8,607 234
# 04-030-50484 1y 0602a Chevron U.S.A. Inc. Kern 10,845 290
# 04-030-60887 1y 0902a Chevron U.S.A. Inc. Kern 11,142 300
# 04-030-58294 1y 1105B Chevron U.S.A. Inc. Kern 9,304 924
# 04-030-62738 Chardonnay 47X-35 Grapevine Energy LLC Kern 7,750 2,705
# 04-030-68558 Fairfield HP-45 Berry Petroleum Company LLC Kern 7,992 0
# 04-030-35194 McKittrick Fee 3449 Chevron U.S.A. Inc. Kern 7,389 0
# 04-030-67451 McKittrick Unit 1-76R Sentinel Peak Resources California LLC Kern 8,890 771
# 04-030-69047 McKittrick Unit 2-134 Sentinel Peak Resources California LLC Kern 13,088 1,135
# 04-030-64441 McPhee 0118B Chevron U.S.A. Inc. Kern 9,635 332
# 04-030-58291 McPhee 0120u Chevron U.S.A. Inc. Kern 7,445 257
# 04-030-69570 McPhee 0721B Chevron U.S.A. Inc. Kern 7,370 253
# 04-053-21309 Orradre NN37-10 Chevron U.S.A. Inc. Monterey 11,365 1,201
# 04-030-46681 Sea Breeze 0915S Chevron U.S.A. Inc. Kern 8,779 471
# 04-030-64449 Unspecified 2117V Chevron U.S.A. Inc. Kern 8,421 353
# 04-030-68629 Unspecified 23H1-9 California Resources Production Corporation Kern 7,778 4,623
# 04-030-46158 Unspecified 66S-28S California Resources Elk Hills LLC Kern 405 320,905
# 04-030-63026 Unspecified 67SW- 28S California Resources Elk Hills LLC Kern 426 323,453
# 04-019-26004 Unspecified H4-3WJ Chevron U.S.A. Inc. Fresno 10,282 1,765
# 04-037-30508 Unspecified TC-1 Signal Hill Petroleum Inc. Los Angeles 15,474 18,503
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Browse All Producing California Counties
Production is based on May 2025 numbers
County Oil Prod Gas Prod
Colusa County, CA 0 BBLs 281,525 MCF
Contra Costa County, CA 916 BBLs 1,128 MCF
Fresno County, CA 346,584 BBLs 50,959 MCF
Glenn County, CA 0 BBLs 122,398 MCF
Humboldt County, CA 0 BBLs 24,249 MCF
Kern County, CA 6,621,474 BBLs 7,826,233 MCF
Kings County, CA 7,121 BBLs 15,355 MCF
Los Angeles County, CA 648,998 BBLs 890,125 MCF
Madera County, CA 0 BBLs 507,633 MCF
Monterey County, CA 254,376 BBLs 47,150 MCF
Orange County, CA 161,230 BBLs 75,718 MCF
Sacramento County, CA 192 BBLs 84,068 MCF
San Benito County, CA 872 BBLs 1,188 MCF
County Oil Prod Gas Prod
San Bernardino County, CA 306 BBLs 3,720 MCF
San Joaquin County, CA 0 BBLs 308,046 MCF
San Luis Obispo County, CA 52,596 BBLs 24,448 MCF
San Mateo County, CA 7 BBLs 0 MCF
Santa Barbara County, CA 157,890 BBLs 106,104 MCF
Santa Clara County, CA 1,350 BBLs 1,079 MCF
Solano County, CA 0 BBLs 40,548 MCF
Sutter County, CA 0 BBLs 139,227 MCF
Tehama County, CA 0 BBLs 26,004 MCF
Tulare County, CA 2,181 BBLs 0 MCF
Ventura County, CA 368,925 BBLs 406,800 MCF
Yolo County, CA 0 BBLs 2,968 MCF