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Royalty Clerk

Texas county · RRC district 8A

Gaines County

Gaines County reported 16 million barrels of oil and 15 million mcf of gas in the last 12 months. That ranks 27th of 224 Texas counties by oil.

County dossier

15,565,593bbl oil, last 12 months+5% vs prior year
Producing leases
480of 903 on record
Operators
91
Fields
133
Top operator
OXY USA Inc.

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Where it sits

This county

Gaines CountyGainesYoakumDawsonTerryGaines County
Gaines County · RRC district 8A
Gas, last 12 months
14,943,150 mcf
Share of Texas oil
0.8%
Data through
Jul 2026
Top field
Seminole (San Andres)

Five years of output in Gaines County

Oil output in Gaines County rose 5% over the last 12 months

16M bbl through Jul 2026, against 15M bbl a year earlier. Peak Dec 2021: 1.5M bbl.

Oil output in Gaines County rose 5% over the last 12 months16M bbl through Jul 2026, against 15M bbl a year earlier. Peak Dec 2021: 1.5M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.5M (Dec 21)1.4M20222023202420252026
Oil output in Gaines County rose 5% over the last 12 months16M bbl through Jul 2026, against 15M bbl a year earlier. Peak Dec 2021: 1.5M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.5M (Dec 21)1.4M'22'23'24'25'26

Gas output in Gaines County fell 15% over the last 12 months

15M mcf through Jul 2026, against 18M mcf a year earlier. Peak Jul 2025: 1.8M mcf.

Gas output in Gaines County fell 15% over the last 12 months15M mcf through Jul 2026, against 18M mcf a year earlier. Peak Jul 2025: 1.8M mcf.Gas, mcf per month0500k1M1.5M2MPeak 1.8M (Jul 25)1.1M20222023202420252026
Gas output in Gaines County fell 15% over the last 12 months15M mcf through Jul 2026, against 18M mcf a year earlier. Peak Jul 2025: 1.8M mcf.Gas, mcf per month0500k1M1.5M2MPeak 1.8M (Jul 25)1.1M'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 Gaines County

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 480), ranked by output value.

Every lease in Gaines County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in Gaines County, by oil

OXY USA leads

  1. OXY USA Inc.8 leases7.4Mbbl
  2. Hilcorp Energy Company45 leases1.9Mbbl
  3. OXY USA WTP LP1 lease1.3Mbbl
  4. Bce-Mach III LLC33 leases1.3Mbbl
  5. Crescent Energy Operating, LLC56 leases451kbbl
  6. Occidental Permian Ltd.2 leases396kbbl
  7. Parallel Petroleum LLC23 leases340kbbl
  8. Citation Oil & Gas Corp.9 leases199kbbl

Fields in Gaines County, by oil

Seminole (San Andres) leads

  1. Seminole (San Andres)6 leases · District 8A · Field 822251427.4Mbbl
  2. Robertson, N. (Clear Fork 7100)20 leases · District 8A · Field 773186661.6Mbbl
  3. Seminole, West2 leases · District 8A · Field 822330011.3Mbbl
  4. Harris (San Andres)39 leases · District 8A · Field 39342375606kbbl
  5. Cedar Lake8 leases · District 8A · Field 16580001559kbbl
  6. Wasson 724 leases · District 8A · Field 95431001402kbbl
  7. Riley, North5 leases · District 8A · Field 76707001331kbbl
  8. Adair7 leases · District 8A · Field 00570001306kbbl

More operators here

OperatorAtlas Operating LLC1OperatorGungoll, Carl E. Exploration LLC4OperatorWhite Rock Oil & Gas, LLC7OperatorJoint Resources Company7
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Recent drilling permits in Gaines County