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Royalty Clerk

Texas county · RRC district 08

Glasscock County

Glasscock County reported 56 million barrels of oil and 311 million mcf of gas in the last 12 months. That ranks 11th of 224 Texas counties by oil.

County dossier

56,454,525bbl oil, last 12 months−1% vs prior year
Producing leases
2,003of 2,763 on record
Operators
59
Fields
45
Top operator
Pioneer Natural Res. USA, Inc.

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County · RRC district 08
Gas, last 12 months
311,291,755 mcf
Share of Texas oil
2.8%
Data through
Jul 2026
Top field
Spraberry (Trend Area)

Five years of output in Glasscock County

Oil output in Glasscock County held steady over the last 12 months

56M bbl through Jul 2026, against 57M bbl a year earlier. Peak Apr 2024: 6.6M bbl.

Oil output in Glasscock County held steady over the last 12 months56M bbl through Jul 2026, against 57M bbl a year earlier. Peak Apr 2024: 6.6M bbl.Oil, bbl per month02.5M5M7.5MPeak 6.6M (Apr 24)4.1M20222023202420252026
Oil output in Glasscock County held steady over the last 12 months56M bbl through Jul 2026, against 57M bbl a year earlier. Peak Apr 2024: 6.6M bbl.Oil, bbl per month02.5M5M7.5MPeak 6.6M (Apr 24)4.1M'22'23'24'25'26

Gas output in Glasscock County held steady over the last 12 months

311M mcf through Jul 2026, against 313M mcf a year earlier. Peak Aug 2024: 28M mcf.

Gas output in Glasscock County held steady over the last 12 months311M mcf through Jul 2026, against 313M mcf a year earlier. Peak Aug 2024: 28M mcf.Gas, mcf per month010M20M30MPeak 28M (Aug 24)24M20222023202420252026
Gas output in Glasscock County held steady over the last 12 months311M mcf through Jul 2026, against 313M mcf a year earlier. Peak Aug 2024: 28M mcf.Gas, mcf per month010M20M30MPeak 28M (Aug 24)24M'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 Glasscock County

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 2,003), ranked by output value.

Every lease in Glasscock County, A to Z →

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Operators in Glasscock County, by oil

Pioneer Natural Res. USA leads

  1. Pioneer Natural Res. USA, Inc.337 leases17Mbbl
  2. Oxyrock Operating, LLC112 leases9.8Mbbl
  3. Diamondback E&P LLC298 leases5.2Mbbl
  4. Crescent Energy Operating, LLC298 leases4.5Mbbl
  5. OXY USA Inc.73 leases4.2Mbbl
  6. Civitas Permian Operating, LLC90 leases3.6Mbbl
  7. Hannathon Petroleum II, LLC152 leases2.9Mbbl
  8. XTO Energy Inc.58 leases2.8Mbbl

Fields in Glasscock County, by oil

Spraberry (Trend Area) leads

  1. Spraberry (Trend Area)1,551 leases · District 08 · Field 8528030054Mbbl
  2. Garden City, S. (Wolfcamp)189 leases · District 08 · Field 339985001Mbbl
  3. Emma (Barnett Shale)5 leases · District 08 · Field 28899040622kbbl
  4. Spraberry (Trend Area) R 40 Exc21 leases · District 08 · Field 85280301367kbbl
  5. Howard Glasscock (Consolidated)18 leases · District 08 · Field 42971200324kbbl
  6. Jailhouse (Fusselman)38 leases · District 08 · Field 45484200317kbbl
  7. Spraberry (Trend Area)12 leases · District 7C · Field 85279200296kbbl
  8. Veterans (Upper Leonard)11 leases · District 08 · Field 93637500105kbbl

More operators here

OperatorApache Corporation175OperatorBlack Swan Opco, LLC21OperatorOvintiv USA Inc.57OperatorCog Operating LLC28
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Recent drilling permits in Glasscock County