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Data as of Jul 2026 production (Jun 2026–Jul 2026 provisional) · permits through Oct 14, 2026 · Source: Texas Railroad Commission · Methodology
Home / Operators / GLASSCOCK RANCH C

GLASSCOCK RANCH C

RRC oil lease 20777, district 01 · BRISCOE RANCH (EAGLEFORD) field · Zavala County · operated by TRINITY OPERATING (USG), LLC

GLASSCOCK RANCH C at a glance

Oil output in Mar 2026–May 2026 was down 28% from the same three months a year earlier. Over the last 12 months it reported 118,385 BBL of oil and 600,154 MCF of gas. In May 2026, the latest month not marked provisional, it reported 9,621 BBL and 49,290 MCF.

118.4KBBL oil, last 12 months▼ 32% vs prior 12
600.2KMCF gas, last 12 months▼ 20% vs prior 12
$1,081.63est. gross royalty for May 2026 at decimal
0new permits in Zavala County this month

Royalty = (9,621 BBL × $97.31 WTI, Sep 2026, EIA + 49,290 MCF × $2.95 Henry Hub, Sep 2026, EIA) × your decimal. 0.001 is only a placeholder: enter the decimal from your check stub or division order. Gross, before taxes and deductions. Full estimator →

Oil + condensate (BBL per month, last 36 months)

010K20K30K40K50KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Gas (MCF per month, last 36 months)

020K40K60K80KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Jun 2026 and Jul 2026 are provisional (lighter bars) and usually rise as late reports arrive.

GLASSCOCK RANCH C production history in brief

By oil-equivalent volume over the last 12 months, GLASSCOCK RANCH C ranks #8 of 527 reporting leases in Zavala County. It reported production in 34 of the 34 non-provisional months shown, starting in our window in Aug 2023. Its peak oil month in that window was Oct 2023 at 40,179 BBL. The lease is in the BRISCOE RANCH (EAGLEFORD) field and is operated by TRINITY OPERATING (USG), LLC; production is reported for the lease as a whole, not per well.

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New permits nearby

No new permits in this county in the current RRC daily file.

Monthly production

MonthOil (BBL)Gas (MCF)
Jul 2026 (provisional)8,93148,315
Jun 2026 (provisional)9,12147,413
May 20269,62149,290
Apr 20269,39748,292
Mar 20269,66250,759
Feb 20268,76943,375
Jan 20269,75748,616
Dec 20259,98252,105
Nov 202510,39251,203
Oct 202510,71453,423
Sep 202510,60752,543
Aug 202511,43254,820
Jul 202511,99056,955
Jun 202512,02958,157
May 202512,81558,912
Apr 202512,89558,218
Mar 202514,24061,466
Feb 202513,32253,538
Jan 202515,39961,965
Dec 202415,04367,022
Nov 202414,67464,542
Oct 202416,03568,326
Sep 202416,89667,425
Aug 202419,05669,395
Jul 202420,95568,784
Jun 202422,25666,783
May 202426,60671,036
Apr 202426,26761,095
Mar 202428,17967,375
Feb 202428,92262,334
Jan 202433,51167,579
Dec 202335,49364,546
Nov 202335,89659,639
Oct 202340,17958,080
Sep 202336,28545,759
Aug 202334,00632,816

Check these figures in the RRC Production Data Query (Specific Lease Query: district 01, lease 20777). Production is reported per lease, so a lease with several wells is not split by well.

Source: Texas Railroad Commission (data sets, Production Data Query). Data date: RRC Production Data Query dump, extract dated Sep 18, 2026; production through Jul 2026. Jun 2026 and Jul 2026 are provisional: operators file late and amend, so these months usually rise in later releases. Oil = crude oil + condensate (BBL); gas = gas-well gas + casinghead gas (MCF), as reported to RRC. Methodology.