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Stanislaus County, CA oil and gas wells

152 wells: 0 active, 139 plugged, run by 89 operators.

Figures from the California Geologic Energy Management Division (CalGEM), updated 2026-10-19.

Top operators in Stanislaus

OperatorActiveWells here
Chevron U.S.A. Inc.012
Great Basins Petroleum Co.010
Senate Res., Inc.07
Mobil Oil Exploration & Production North America, Inc.05
Petrogulf Corporation05
Trico Industries Inc05
J.C. and Dorothy A. Bearden04
Freeport-McMoRan Oil & Gas LLC03
Mariposa Petroleum Co.03
Occidental Petroleum Corporation03
Phillips Petroleum Company03
Porter Sesnon et al03
A. S. Mayes & Associates, Ltd.02
Arco Western Energy Co.02
Atlantic Richfield Co.02
California Resources Production Corporation02
Central Calif. Expl. Co.02
Christiana Oil Corp.02
Conoco Inc.02
J. G. Tavares02
Marathon Oil Company02
Maurits F. Osterburg02
Norris Oil Company02
Tuolumne River Lodge02
A & M Oil & Gas Co.01

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Marathon-Bakker 1 04-099-00051Plugged Dry holeWilliams, Sumpf, Ferguson
Meikle-Nomeco 34-56X 04-099-20038Plugged Dry holeArgo Petroleum Corp.
Metzger 1 04-099-00029Plugged Dry holePaul L. Cooper et al
Moore 1 04-099-00047Plugged Dry holePennant Operating Company
Morris 1 04-099-20029Plugged Dry holeLeigh Oil Co. Ltd.
Neel 1 04-099-20009Plugged Dry holeMobil Oil Exploration & Production North America, Inc.
Newman 1 04-099-00077Plugged Dry holeC. W. Farmer
Overton 34-16 04-099-00020Plugged Dry holeChevron U.S.A. Inc.
P.L. Davies et ux 1 04-099-00012Plugged Dry holeOccidental Petroleum Corporation
Patterson Ranch 1 04-099-20008Plugged Dry holeArgosy Oil Company
Raspo 11X-10 04-099-20047Plugged Dry holeSierra Resources, Inc.
SP Unit A 1 04-099-00014Plugged Dry holeOccidental Petroleum Corporation
Salado 1-3 04-099-20045Plugged Dry holeDugite Resources, Inc.
Sarmento 1 04-099-00036Plugged Dry holeTrico Industries Inc
Sarmento 2 04-099-00037Plugged Dry holeTrico Industries Inc
Sciarini 1 04-099-00044Plugged Dry holeMobil Oil Exploration & Production North America, Inc.
Sec. 9 Unit 1 04-099-00042Plugged Dry holeChevron U.S.A. Inc.
Sesnon-Vernalis So Block Un. 1 47-31 04-099-00017Plugged Dry holePorter Sesnon et al
Sesnon-Vernalis So Block Un. 1 56-6 04-099-00035Plugged Dry holePorter Sesnon et al
Sesnon-Vernalis So Block Un. 2 12-32 04-099-00018Plugged Dry holePorter Sesnon et al
Shiloh 1 04-099-20002Plugged Dry holeTowne Exploration Company, LP
Simon Newman 1 04-099-00085Plugged Dry holeChevron U.S.A. Inc.
Simon Newman 1 04-099-20011Plugged Dry holeChevron U.S.A. Inc.
Simon Newman Co. Property 1 04-099-00076Plugged Dry holeOrestimba Oil Co., Ltd.
Simon-Newman 12-1 04-099-20025Plugged Dry holeR. L. Burns Corp.
Sinclear 1 04-099-00055Plugged Dry holeFreeport-McMoRan Oil & Gas LLC
Sinclear Comm. 1 04-099-00054Plugged Dry holeMobil Oil Exploration & Production North America, Inc.
Skiles 1 04-099-00005Plugged Dry holeChristiana Oil Corp.
Southlan Royalty-Vaughn 27-6 04-099-00074Plugged Dry holeGreat Basins Petroleum Co.
Stan 1 04-099-00081Plugged Dry holeTejon Hills Co.
Steenstrup 1 04-099-00038Plugged Dry holeTrico Industries Inc
Thomson-Barbour 1 04-099-00073Plugged Dry holeLawrence A. Thomson. Jr.
Van Couvering-Hogin 27-2 04-099-00028Plugged Dry holeCentral Calif. Expl. Co.
Vernalis-Steele 27-1 04-099-20003Plugged Dry holeHorace Steele
Wagner 35-26 04-099-00024Plugged Dry holeGreat Basins Petroleum Co.
Walker 1 04-099-00025Plugged Dry holeGreat Basins Petroleum Co.
Wassum B 1 04-099-20012Plugged Dry holePhillips Petroleum Company
Williams 1 04-099-00006Plugged Dry holeChristiana Oil Corp.
Young Community 1 04-099-00026Plugged Dry holeChevron U.S.A. Inc.

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