Oil & Gas Production in Bexar County, TX

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Bexar County, TX Oil and Gas Production Heatmap
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Bexar County, TX Oil and Gas Production By Year
Bexar County, TX Oil and Gas Summary
Based on December 2025 Production

36 Producing Operators

181 Producing Leases On File

1,859 Producing Wells On File

13.6 k Total Wells On File

4 k Barrels of Oil Produced

1 MCF of Gas Produced

Top Producing Operators in Bexar County, TX
Based on December 2025 Production
Operator Oil Prod (BBLS) Gas Prod (MCF) Active Leases Active Wells
Aaronmark Services, LLC 1,509 0 40 76
Calfas Oil, LLC 353 0 16 96
Calk Oil Company 169 0 15 75
Calk, Roger D. 155 0 20 92
Downing Well Service, Inc. 240 0 7 27
Drachen Oil Company 718 1 27 98
Jamco Oil 44 0 2 10
JM Calk Operating, LLC 417 0 5 24
K.A. Barnes Oil & Gas Oper, LLC 95 0 10 27
Koko Skadi, LLC 1,712 1,166 39 240
MDF Oil Company 216 0 1 164
Mojave Resources, LLC 275 0 14 71
Old Chief Oil, LLC 266 0 4 31
Petro Lions, LLC 231 0 16 139
Production Resources, Inc. 715 0 34 452
Raol Company, The 103 0 3 10
Red Chalk Resources LLC 223 0 6 58
Seeker Oil Company, Incorporated 264 0 15 79
South Sam Operating Company, LLC 127 0 4 610
Texas Secondary Oil Corporation 2,777 0 59 612
Top Producing Leases in Bexar County, TX
Based on December 2025 Production
Lease Operator County Oil Prod (BBLS) Gas Prod (MCF)
Armstrong Unit Petro Lions, LLC Bexar 70 0
Baker Old Chief Oil, LLC Bexar 83 0
Barry -C- Mojave Resources, LLC Bexar 100 0
Brown JM Calk Operating, LLC Bexar 60 0
Erd Unit JM Calk Operating, LLC Bexar 176 0
Ernst Koko Skadi, LLC Bexar 87 0
Ernst -G- Koko Skadi, LLC Bexar 56 0
Evans, Geo. N. -B- Texas Secondary Oil Corporation Bexar 62 0
Garza JM Calk Operating, LLC Bexar 117 0
Hayes, Richard Drachen Oil Company Bexar 110 0
Hixon Properties, Inc. MDF Oil Company Bexar 216 0
James, J.W. Raol Company, The Atascosa 62 0
Jasik, Stanley J. Aaronmark Services, LLC Bexar 50 0
Kuenstler -A- Seeker Oil Company, Incorporated Bexar 70 0
Kurz, Bee T., Etal Downing Well Service, Inc. Bexar 44 0
Long Old Chief Oil, LLC Bexar 122 0
Mauermann -B- South Sam Operating Company, LLC Bexar 58 0
Purvis Calfas Oil, LLC Bexar 53 0
Pyron Red Chalk Resources LLC Bexar 175 0
Robertson, Harry Koko Skadi, LLC Bexar 126 0