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Royalty Clerk

Texas oil lease

Producing

GRISSOM

Grissom is an oil lease in Zavala County, Texas, operated by CML Exploration, LLC in the Pearsall (Austin Chalk) field.

1 well

1,434bbl oil, last 12 months−57% vs prior year
Operator
CML Exploration, LLC
County
Zavala County
Field
Pearsall (Austin Chalk)
RRC lease
01-16955

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Oil in Jul 2026
55 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 57% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 57% over the last 12 monthsMonthly oil production for GRISSOM, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 1,434 bbl in the 12 months through Jul 2026, against 3,299 bbl in the 12 months before.Last 12 months: 1,434 bblbbl per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 57% over the last 12 monthsMonthly oil production for GRISSOM, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 1,434 bbl in the 12 months through Jul 2026, against 3,299 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

1 well on this lease

Wells on GRISSOM
API numberWell no.Status
42-507-329071Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCOilGathers100May 1, 2023–
Enterprise Gc LLCCasinghead gasBuys100Aug 1, 2013–
Enterprise Products Operating LLCCasinghead gasGathers100Jul 8, 2012–
Gulfmark Energy, Inc.OilGathers50Oct 1, 2022May 1, 2023
Mission Petroleum Carriers, Inc.OilGathers50Oct 1, 2022May 1, 2023
Shell Trading (Us) CompanyOilGathers100Oct 1, 2019Oct 1, 2022
Flint Hills Resources, LPOilGathers100Aug 1, 2014Oct 1, 2019

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

770.76 acres on the newest permit

Permits for Grissom
API numberWell no.Acreson the permit
42-507-329071770.76

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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36 months, newest first

Ledger for GRISSOM
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026550$80.46$2.89
Jun 202668178$84.81$3.15
May 20261070$102.13$2.94
Apr 202681178$100.32$2.77
Mar 20261270$91.38$3.04
Feb 2026150188$64.51$3.62
Jan 2026142191$60.04$7.72
Dec 2025134174$57.97$4.26
Nov 202598180$60.06$3.79
Oct 20251770$60.89$3.19
Sep 2025150183$63.96$2.97
Aug 2025145184$64.86$2.91
Jul 2025217192$68.39$3.20
Jun 2025262380$68.17$3.02
May 2025383186$62.17$3.12
Apr 2025367357$63.54$3.42
Mar 2025396538$68.24$4.12
Feb 2025340375$71.53$4.19
Jan 2025550547$75.74$4.13
Dec 2024900$70.12$3.01
Nov 2024142183$69.95$2.12
Oct 2024205177$71.99$2.20
Sep 2024194192$70.24$2.28
Aug 2024153190$76.68$1.99
Jul 2024232175$81.80$2.07
Jun 2024189184$79.77$2.54
May 2024215182$80.02$2.12
Apr 2024201368$85.35$1.60
Mar 2024204189$81.28$1.49
Feb 2024188190$77.25$1.72
Jan 2024187190$74.15$3.18
Dec 2023191178$71.90$2.52
Nov 2023252191$77.69$2.71
Oct 2023113184$85.64$2.98
Sep 2023220183$89.43$2.64
Aug 2023173178$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorCML Exploration, LLCFieldPearsall (Austin Chalk)CountyZavala County

CML Exploration, LLC in Zavala County

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Pearsall (Austin Chalk) field

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