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 November 2025 Production

219 Producing Operators

39,045 Producing Wells On File

242.3 k Total Wells On File

8.1 M Barrels of Oil Produced

23.4 M MCF of Gas Produced

Top Producing Operators in California
Based on November 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Wells
Aera Energy LLC 1,979,762 882,894 8,624
Berry Petroleum Company LLC 533,988 35,716 1,296
Bridge Energy LLC 55,487 39,686 240
California Resources Elk Hills LLC 545,300 5,758,650 3,044
California Resources Production Corporation 426,049 623,720 2,298
Calnrg Operating LLC 110,881 123,571 1,088
Central Valley Gas Storage LLC 0 1,597,259 7
Chevron U.S.A. Inc. 2,364,537 318,544 11,000
Crimson Resource Management Corp. 137,289 19,801 672
E & B Natural Resources Management Corporation 145,238 72,803 966
Holmes Western Oil Corporation 51,845 19,371 461
Macpherson Oil Company LLC 73,009 0 257
Pacific Coast Energy Company LP 51,377 37,819 227
Pacific Gas And Electric Company 0 2,191,622 57
Sentinel Peak Resources California LLC 734,854 386,052 2,829
Signal Hill Petroleum Inc. 67,119 33,929 183
Southern California Gas Company 4,037 6,532,899 81
Thums Long Beach Co. 117,980 80,715 619
Tidelands Oil Production Co. 161,283 42,279 286
Wild Goose Storage LLC 0 2,819,572 14
Top Producing Wells in California
Based on November 2025 Production
API # Well Operator County Oil Prod (BBLS) Gas Prod (MCF)
# 04-011-20924 C.V.G.S. 2-L Central Valley Gas Storage LLC Colusa 0 282,681
# 04-011-20920 C.V.G.S. 4-U Central Valley Gas Storage LLC Colusa 0 803,987
# 04-083-03407 Miller 4 Southern California Gas Company Santa Barbara 0 335,515
# 04-053-21309 Orradre NN37-10 Chevron U.S.A. Inc. Monterey 12,204 1,319
# 04-037-21357 Porter 26B Southern California Gas Company Los Angeles 12 233,405
# 04-037-30508 Unspecified TC-1 Signal Hill Petroleum Inc. Los Angeles 10,837 15,783
# 04-037-07607 Wezu 15 Southern California Gas Company Los Angeles 49 235,510
# 04-037-30541 Wezu 18 B Southern California Gas Company Los Angeles 54 246,755
# 04-037-30552 Wezu 18 C Southern California Gas Company Los Angeles 64 289,443
# 04-037-30554 Wezu 18 D Southern California Gas Company Los Angeles 53 238,097
# 04-037-07613 Wezu 24 Southern California Gas Company Los Angeles 66 261,568
# 04-037-07601 Wezu 5 Southern California Gas Company Los Angeles 78 277,679
# 04-007-20101 Wild Goose Gas Unit 2 20HZ Wild Goose Storage LLC Butte 0 269,170
# 04-007-20097 Wild Goose Gas Unit 2 22HZ Wild Goose Storage LLC Butte 0 220,023
# 04-007-20098 Wild Goose Gas Unit 2 23HZ Wild Goose Storage LLC Butte 0 327,123
# 04-007-20113 Wild Goose Gas Unit 2 35 Wild Goose Storage LLC Butte 0 376,296
# 04-007-20114 Wild Goose Gas Unit 2 37 Wild Goose Storage LLC Butte 0 342,845
# 04-007-20108 Wild Goose Gas Unit 2 WG27HZ Wild Goose Storage LLC Butte 0 278,062
# 04-007-20111 Wild Goose Gas Unit 2 WG33HZ Wild Goose Storage LLC Butte 0 217,579
# 04-007-20112 Wild Goose Gas Unit 2 WG34HZ Wild Goose Storage LLC Butte 0 289,211
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Browse All Producing California Counties
Production is based on November 2025 numbers
County Oil Prod Gas Prod
Butte County, CA 0 BBLs 2,819,572 MCF
Colusa County, CA 0 BBLs 1,685,895 MCF
Contra Costa County, CA 1,369 BBLs 374,979 MCF
Fresno County, CA 359,515 BBLs 49,498 MCF
Glenn County, CA 0 BBLs 93,051 MCF
Humboldt County, CA 0 BBLs 23,245 MCF
Kern County, CA 6,071,044 BBLs 7,358,931 MCF
Kings County, CA 4,779 BBLs 10,793 MCF
Los Angeles County, CA 581,116 BBLs 5,744,066 MCF
Madera County, CA 0 BBLs 618,706 MCF
Monterey County, CA 228,206 BBLs 43,231 MCF
Orange County, CA 153,250 BBLs 72,748 MCF
Sacramento County, CA 24 BBLs 84,598 MCF
County Oil Prod Gas Prod
San Benito County, CA 735 BBLs 944 MCF
San Bernardino County, CA 352 BBLs 3,300 MCF
San Joaquin County, CA 0 BBLs 2,479,783 MCF
San Luis Obispo County, CA 47,089 BBLs 26,370 MCF
San Mateo County, CA 5 BBLs 0 MCF
Santa Barbara County, CA 144,477 BBLs 1,198,792 MCF
Santa Clara County, CA 901 BBLs 906 MCF
Solano County, CA 25 BBLs 77,951 MCF
Sutter County, CA 0 BBLs 147,798 MCF
Tehama County, CA 0 BBLs 24,325 MCF
Tulare County, CA 1,368 BBLs 0 MCF
Ventura County, CA 358,548 BBLs 396,711 MCF
Yolo County, CA 0 BBLs 3,226 MCF