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Texas oil lease

Producing

ARMSTRONG "12"

Armstrong "12" is an oil lease in Martin County, Texas, operated by Petroplex Energy Inc. in the Spraberry (Trend Area) field.

2 wells

5,453bbl oil, last 12 months−11% vs prior year
Operator
Petroplex Energy Inc.
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-39527

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
4,181 mcf
Oil in Jul 2026
411 bbl

Production by month

Oil output fell 11% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for ARMSTRONG "12", Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 5,453 bbl in the 12 months through Jul 2026, against 6,128 bbl in the 12 months before.Last 12 months: 5,453 bblbbl per monthmcf per month002005004001,0006001,5008002,0001,0002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for ARMSTRONG "12", Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 5,453 bbl in the 12 months through Jul 2026, against 6,128 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002005004001,0006001,5008002,0001,0002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of ARMSTRONG "12" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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 processing plant in the last 12 monthsShare of ARMSTRONG "12" gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant 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.

2 wells on this lease

Wells on ARMSTRONG "12"
API numberWell no.Status
42-317-355761Active
42-317-357252Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer CompanyOilGathers100Sep 23, 2025–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Sep 23, 2025
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Sep 23, 2025
Shell Trading (Us) CompanyOilGathers100Aug 1, 2012Sep 23, 2025

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

Who buys my oilOil price check

160 acres on the newest permit

Permits for Armstrong "12"
API numberWell no.Acreson the permit
42-317-357252160
42-317-355761160

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

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36 months, newest first

Ledger for ARMSTRONG "12"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026411344000$80.46$2.89
Jun 20263925061,9931,9930$84.81$3.15
May 20265035142,1882,1880$102.13$2.94
Apr 2026346332000$100.32$2.77
Mar 2026505519000$91.38$3.04
Feb 2026438515000$64.51$3.62
Jan 2026467348000$60.04$7.72
Dec 2025479526000$57.97$4.26
Nov 2025476520000$60.06$3.79
Oct 2025476349000$60.89$3.19
Sep 2025474516000$63.96$2.97
Aug 2025486510000$64.86$2.91
Jul 2025507510000$68.39$3.20
Jun 20254905125125120$68.17$3.02
May 2025528512000$62.17$3.12
Apr 2025538513000$63.54$3.42
Mar 2025374352000$68.24$4.12
Feb 2025419507000$71.53$4.19
Jan 2025585516000$75.74$4.13
Dec 2024613519000$70.12$3.01
Nov 20245015101,7281,7280$69.95$2.12
Oct 20245166881,8801,8800$71.99$2.20
Sep 20245365081,8301,8300$70.24$2.28
Aug 20245215214064060$76.68$1.99
Jul 20245555114164160$81.80$2.07
Jun 20245655203343340$79.77$2.54
May 20245695205575570$80.02$2.12
Apr 20245345121,7501,7500$85.35$1.60
Mar 20245476881,8031,8030$81.28$1.49
Feb 20245185121,5941,5940$77.25$1.72
Jan 20245785081,4911,4910$74.15$3.18
Dec 20236126841,5191,5190$71.90$2.52
Nov 20235825071,3691,3690$77.69$2.71
Oct 20235865222122120$85.64$2.98
Sep 2023617697000$89.43$2.64
Aug 20236265401021020$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

OperatorPetroplex Energy Inc.FieldSpraberry (Trend Area)CountyMartin County

Petroplex Energy Inc. in Martin County

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