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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 / COOK F 21 A

COOK F 21 A

RRC oil lease 59630, district 10 · SPRABERRY (TREND AREA) field · Glasscock County · operated by CRESCENT ENERGY OPERATING, LLC

COOK F 21 A at a glance

Gas output in Mar 2026–May 2026 was down 5% from the same three months a year earlier. Over the last 12 months it reported 122,416 BBL of oil and 736,737 MCF of gas. In May 2026, the latest month not marked provisional, it reported 10,223 BBL and 40,027 MCF.

122.4KBBL oil, last 12 months▼ 47% vs prior 12
736.7KMCF gas, last 12 months▲ 11% vs prior 12
$1,112.88est. gross royalty for May 2026 at decimal
13new permits in Glasscock County this month

Royalty = (10,223 BBL × $97.31 WTI, Sep 2026, EIA + 40,027 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)

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

Gas (MCF per month, last 36 months)

0100K200KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

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

COOK F 21 A production history in brief

By oil-equivalent volume over the last 12 months, COOK F 21 A ranks #90 of 2,776 reporting leases in Glasscock County. It reported production in 28 of the 34 non-provisional months shown, starting in our window in Feb 2024. Its peak gas month in that window was May 2024 at 105,495 MCF. The lease is in the SPRABERRY (TREND AREA) field and is operated by CRESCENT ENERGY OPERATING, LLC; production is reported for the lease as a whole, not per well.

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New permits nearby

New drilling permits issued this month in Glasscock County. RRC production data has no lease coordinates, so we match by county.

IssuedOperatorLeaseWellDepth (ft)
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 A1WA9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 B1LS8,400
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 C1WB9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 D2WA9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 E2WB9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 F2LS8,400
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 G3WA9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 H3WB9,000
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 I3LS8,400
2026-10-14DIAMONDBACK E&P LLCCOBRA 39-34 L4WB9,000

Monthly production

MonthOil (BBL)Gas (MCF)
Jul 2026 (provisional)00
Jun 2026 (provisional)9,05961,482
May 202610,22340,027
Apr 202610,15561,698
Mar 20268,85053,096
Feb 202610,04959,204
Jan 202611,79968,911
Dec 202512,66472,124
Nov 202511,53975,326
Oct 202512,08681,136
Sep 202512,61281,606
Aug 202513,38082,127
Jul 202511,89752,010
Jun 202513,11646,534
May 202516,00953,449
Apr 202517,96557,352
Mar 202518,01452,894
Feb 202520,01751,802
Jan 202519,82152,425
Dec 202422,04963,813
Nov 202420,71154,331
Oct 202419,77150,279
Sep 202422,82062,663
Aug 202427,31166,922
Jul 202430,33769,229
Jun 202438,52380,943
May 202448,482105,495
Apr 202454,44687,364
Mar 202474,83193,570
Feb 202439,96751,499
Jan 202400
Dec 202300
Nov 202300
Oct 202300
Sep 202300
Aug 202300

Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 59630). 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.