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Texas oil lease

Producing

GRUHLKEY 100

Gruhlkey 100 is an oil lease in Hemphill County, Texas, operated by Presidio Petroleum LLC in the Achilles (Tonkawa) field.

1 well

782bbl oil, last 12 months−8% vs prior year
Operator
Presidio Petroleum LLC
County
Hemphill County
Field
Achilles (Tonkawa)
RRC lease
10-08804

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Where it sits

This county

Hemphill CountyHemphillLipscombRobertsOchiltreeHemphill County
Hemphill County
Gas, last 12 months
7,065 mcf
Oil in Jul 2026
44 bbl

Production by month

Oil output fell 8% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for GRUHLKEY 100, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 782 bbl in the 12 months through Jul 2026, against 854 bbl in the 12 months before.Last 12 months: 782 bblbbl per monthmcf per month002520050400756001008001251,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for GRUHLKEY 100, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 782 bbl in the 12 months through Jul 2026, against 854 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002520050400756001008001251,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of GRUHLKEY 100 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of GRUHLKEY 100 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on GRUHLKEY 100
API numberWell no.Status
42-211-350651HDActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Mission Petroleum Carriers, Inc.OilGathers90Apr 1, 2020–
Cp Energy, L.l.c.OilGathers10Apr 1, 2020–
Energy Transfer CompanyCasinghead gasBuys100Apr 1, 2020–
Energy Transfer CompanyCasinghead gasGathers100Nov 1, 2015–
Apache CorporationCasinghead gasBuys100Oct 22, 2012Apr 1, 2020
Cp Energy, L.l.c.OilGathers50Feb 1, 2015Apr 1, 2020
Mission Petroleum Carriers, Inc.OilGathers50Apr 1, 2014Apr 1, 2020

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

Who buys my oilOil price check

400 acres on the newest permit

Permits for Gruhlkey 100
API numberWell no.Acreson the permit
42-211-350651HD400

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for GRUHLKEY 100
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202644276526520$80.46$2.89
Jun 20264906066060$84.81$3.15
May 2026651796556550$102.13$2.94
Apr 2026850000$100.32$2.77
Mar 2026871866566560$91.38$3.04
Feb 20265505765760$64.51$3.62
Jan 20263505505500$60.04$7.72
Dec 20255605885880$57.97$4.26
Nov 2025901816616610$60.06$3.79
Oct 20255607107100$60.89$3.19
Sep 2025911726806800$63.96$2.97
Aug 20256907317310$64.86$2.91
Jul 202573517567560$68.39$3.20
Jun 2025801887267260$68.17$3.02
May 20257607287280$62.17$3.12
Apr 20257907337330$63.54$3.42
Mar 2025551866126120$68.24$4.12
Feb 20256004424420$71.53$4.19
Jan 20255806326320$75.74$4.13
Dec 2024812077667660$70.12$3.01
Nov 20247106766760$69.95$2.12
Oct 2024831947677670$71.99$2.20
Sep 20247207057050$70.24$2.28
Aug 202466377507500$76.68$1.99
Jul 202410407937930$81.80$2.07
Jun 202468907647640$79.77$2.54
May 2024761757957950$80.02$2.12
Apr 202476867907900$85.35$1.60
Mar 20247008108100$81.28$1.49
Feb 2024741887297290$77.25$1.72
Jan 20249907957950$74.15$3.18
Dec 2023861108368360$71.90$2.52
Nov 20237208058050$77.69$2.71
Oct 20231011098688680$85.64$2.98
Sep 202357907997990$89.43$2.64
Aug 202363238028020$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

OperatorPresidio Petroleum LLCFieldAchilles (Tonkawa)CountyHemphill County

Presidio Petroleum LLC in Hemphill County

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