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Royalty Clerk

Texas county · RRC district 01

Atascosa County

Atascosa County reported 26 million barrels of oil and 26 million mcf of gas in the last 12 months. That ranks 18th of 224 Texas counties by oil.

County dossier

26,233,928bbl oil, last 12 months−12% vs prior year
Producing leases
947of 1,211 on record
Operators
66
Fields
58
Top operator
EOG Resources, Inc.

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County · RRC district 01
Gas, last 12 months
25,592,529 mcf
Share of Texas oil
1.3%
Data through
Jul 2026
Top field
Eagleville (Eagle Ford-1)

Five years of output in Atascosa County

Oil output in Atascosa County fell 12% over the last 12 months

26M bbl through Jul 2026, against 30M bbl a year earlier. Peak Jun 2024: 3.1M bbl.

Oil output in Atascosa County fell 12% over the last 12 months26M bbl through Jul 2026, against 30M bbl a year earlier. Peak Jun 2024: 3.1M bbl.Oil, bbl per month01M2M3M4MPeak 3.1M (Jun 24)1.9M20222023202420252026
Oil output in Atascosa County fell 12% over the last 12 months26M bbl through Jul 2026, against 30M bbl a year earlier. Peak Jun 2024: 3.1M bbl.Oil, bbl per month01M2M3M4MPeak 3.1M (Jun 24)1.9M'22'23'24'25'26

Gas output in Atascosa County fell 13% over the last 12 months

26M mcf through Jul 2026, against 29M mcf a year earlier. Peak Jun 2024: 2.8M mcf.

Gas output in Atascosa County fell 13% over the last 12 months26M mcf through Jul 2026, against 29M mcf a year earlier. Peak Jun 2024: 2.8M mcf.Gas, mcf per month01M2M3MPeak 2.8M (Jun 24)2M20222023202420252026
Gas output in Atascosa County fell 13% over the last 12 months26M mcf through Jul 2026, against 29M mcf a year earlier. Peak Jun 2024: 2.8M mcf.Gas, mcf per month01M2M3MPeak 2.8M (Jun 24)2M'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, county totals, through Jul 2026, file dated Sep 18, 2026.

The biggest leases in Atascosa County

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 947), ranked by output value.

Every lease in Atascosa County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in Atascosa County, by oil

EOG Resources leads

  1. EOG Resources, Inc.261 leases9.1Mbbl
  2. Marathon Oil Ef LLC111 leases8.6Mbbl
  3. Javelin Energy Partners Mgmt LLC68 leases2.2Mbbl
  4. XTO Energy Inc.53 leases1.9Mbbl
  5. Trailblazer Energy Resources,llc66 leases1.2Mbbl
  6. Crescent Energy Operating, LLC20 leases710kbbl
  7. Texas American Resources Company32 leases669kbbl
  8. Verdun Oil & Gas LLC12 leases463kbbl

Fields in Atascosa County, by oil

Eagleville (Eagle Ford-1) leads

  1. Eagleville (Eagle Ford-1)676 leases · District 01 · Field 2713570026Mbbl
  2. Eagleville (Eagle Ford-2)9 leases · District 02 · Field 27135750365kbbl
  3. Briscoe Ranch (Eagleford)23 leases · District 01 · Field 12018200168kbbl
  4. Charlotte (Navarro)15 leases · District 01 · Field 1724871027.2kbbl
  5. Jourdanton (Buda)7 leases · District 01 · Field 4735820026.1kbbl
  6. Charlotte (Edwards Lime)5 leases · District 01 · Field 1724856821.8kbbl
  7. Jourdanton9 leases · District 01 · Field 4735800118.7kbbl
  8. Pruitt, Se. (Olmos)4 leases · District 01 · Field 7332050015.6kbbl

More operators here

OperatorMurphy Expl. & Prod. Co. - USA75OperatorValence Operating Company7OperatorTrinity Operating (Usg), LLC12OperatorAlvarado 2014 LLC4
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Recent drilling permits in Atascosa County