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 April 2025 Production

219 Producing Operators

39,054 Producing Wells On File

241.9 k Total Wells On File

8.8 M Barrels of Oil Produced

11 M MCF of Gas Produced

Top Producing Operators in California
Based on April 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Wells
Aera Energy LLC 2,056,908 888,064 8,690
Berry Petroleum Company LLC 568,308 39,676 1,321
Bridge Energy LLC 56,766 43,064 237
California Resources Elk Hills LLC 587,129 5,954,856 3,115
California Resources Production Corporation 424,319 675,107 2,103
Calnrg Operating LLC 118,099 120,677 1,005
Carbon California Operating Company LLC 37,021 106,809 397
Chevron U.S.A. Inc. 2,618,177 338,656 11,305
Crimson Resource Management Corp. 153,750 22,912 683
E & B Natural Resources Management Corporation 128,520 82,788 728
Holmes Western Oil Corporation 58,055 14,906 468
Macpherson Oil Company 72,966 4,133 250
Newbridge Resources LLC 40,156 27,949 214
Pacific Coast Energy Company LP 50,284 36,521 234
Pacific Gas And Electric Company 0 838,774 22
Sentinel Peak Resources California LLC 710,339 342,815 2,822
Signal Hill Petroleum Inc. 90,251 43,070 184
Thums Long Beach Co. 344,824 157,932 590
Tidelands Oil Production Co. 153,287 39,066 287
Warren E&P Inc. 46,670 9,764 94
Top Producing Wells in California
Based on April 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
# 04-030-44869 1y 1625JR Chevron U.S.A. Inc. Kern 7,234 1,724
# 04-030-68558 Fairfield HP-45 Berry Petroleum Company LLC Kern 7,534 0
# 04-030-35194 McKittrick Fee 3449 Chevron U.S.A. Inc. Kern 7,631 0
# 04-030-67451 McKittrick Unit 1-76R Sentinel Peak Resources California LLC Kern 8,422 1,014
# 04-030-69047 McKittrick Unit 2-134 Sentinel Peak Resources California LLC Kern 11,068 1,332
# 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
# 04-030-54812 McPhee 5-6H1 Chevron U.S.A. Inc. Kern 7,372 210
# 04-053-21309 Orradre NN37-10 Chevron U.S.A. Inc. Monterey 11,788 1,268
# 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 8,551 354
# 04-030-68629 Unspecified 23H1-9 California Resources Production Corporation Kern 10,399 5,732
# 04-030-68757 Unspecified 73X-9 California Resources Production Corporation Kern 7,150 2,217
# 04-019-26004 Unspecified H4-3WJ Chevron U.S.A. Inc. Fresno 10,647 1,870
# 04-037-30508 Unspecified TC-1 Signal Hill Petroleum Inc. Los Angeles 14,413 16,929
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Browse All Producing California Counties
Production is based on April 2025 numbers
County Oil Prod Gas Prod
Colusa County, CA 0 BBLs 239,345 MCF
Contra Costa County, CA 378 BBLs 0 MCF
Fresno County, CA 358,283 BBLs 54,814 MCF
Glenn County, CA 0 BBLs 119,428 MCF
Humboldt County, CA 0 BBLs 23,957 MCF
Kern County, CA 6,428,908 BBLs 7,563,876 MCF
Kings County, CA 7,205 BBLs 19,316 MCF
Los Angeles County, CA 631,481 BBLs 795,659 MCF
Madera County, CA 0 BBLs 75,240 MCF
Monterey County, CA 257,633 BBLs 45,212 MCF
Orange County, CA 154,965 BBLs 76,053 MCF
Sacramento County, CA 299 BBLs 84,260 MCF
San Benito County, CA 847 BBLs 1,147 MCF
County Oil Prod Gas Prod
San Bernardino County, CA 288 BBLs 3,600 MCF
San Joaquin County, CA 0 BBLs 856,944 MCF
San Luis Obispo County, CA 53,131 BBLs 24,030 MCF
San Mateo County, CA 7 BBLs 0 MCF
Santa Barbara County, CA 145,191 BBLs 183,287 MCF
Santa Clara County, CA 1,019 BBLs 993 MCF
Solano County, CA 4 BBLs 53,034 MCF
Sutter County, CA 0 BBLs 153,111 MCF
Tehama County, CA 0 BBLs 26,324 MCF
Tulare County, CA 2,703 BBLs 0 MCF
Ventura County, CA 370,218 BBLs 399,525 MCF
Yolo County, CA 0 BBLs 1,483 MCF