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Texas oil lease

Producing

MASTEN "C"

Masten "C" is an oil lease in Cochran County, Texas, operated by Extex Operating Company in the Levelland field.

17 wells

1,390bbl oil, last 12 months−30% vs prior year
Operator
Extex Operating Company
County
Cochran County
Field
Levelland
RRC lease
8A-66961

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Where it sits

This county

Cochran CountyCochranHockleyLambBaileyCochran County
Cochran County
Gas, last 12 months
428 mcf
Oil in Jul 2026
160 bbl

Production by month

Oil output fell 31% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 31% over the last 12 monthsMonthly oil production and gas for MASTEN "C", Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 1,390 bbl in the 12 months through Jul 2026, against 2,000 bbl in the 12 months before.Last 12 months: 1,390 bblbbl per monthmcf per month0050251005015075200100250125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 31% over the last 12 monthsMonthly oil production and gas for MASTEN "C", Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 1,390 bbl in the 12 months through Jul 2026, against 2,000 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050251005015075200100250125Jan 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 MASTEN "C" 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 MASTEN "C" 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.

Who has run this lease

The operator changed once, most recently in Jan 2023

Operators of this lease over timeWalsh Petroleum, Inc., Jan 2020 to Dec 2022; Extex Operating Company, Jan 2023 to Jul 20262020202120222023202420252026Changed Jan 2023Walsh Petroleum, Inc.Jan 2020 to Dec 2022Extex Operating CompanyJan 2023 to now
Operators of this lease over timeWalsh Petroleum, Inc., Jan 2020 to Dec 2022; Extex Operating Company, Jan 2023 to Jul 20262020202120222023202420252026Changed Jan 2023Walsh Petroleum, Inc.Jan 2020 to Dec 2022Extex Operating CompanyJan 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

17 wells on this lease

Wells on MASTEN "C"
API numberWell no.Status
42-079-326493Active
42-079-326548Shut-in
42-079-326557Active
42-079-326565Active
42-079-326574Active
42-079-326581Shut-in
42-079-3268920Active
42-079-3269021Shut-in
42-079-3270719Active
42-079-3270918Active
42-079-3271017Active
42-079-3271116Shut-in
42-079-328919Active
42-079-329026Shut-in
42-079-3290310Active
42-079-3290411Active
42-079-3306212Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Mission Petroleum Carriers, Inc.OilGathers100Jul 1, 2023–
Rio Energy International, Inc.OilGathers100Jan 1, 2023Jul 1, 2023
Targa Midstream Services LLCCasinghead gasGathers100Oct 1, 2011Jan 1, 2023
Targa Midstream Services LLCCasinghead gasBuys100Oct 1, 2011Jan 1, 2023
Sentinel Transportation, LLCOilGathers100Jan 1, 2004Jan 1, 2023

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

Who buys my oilOil price check

858.30 acres on the newest permit

18 wells are listed on this lease

Permits for Masten "C"
API numberWell no.Acreson the permit
42-079-3306212858.30
42-079-3290411858.30
42-079-3290310858.30
42-079-329026858.30
42-079-328919858.30
42-079-3270719858.30
42-079-3270918858.30
42-079-3271017858.30
42-079-3271116858.30
42-079-3268920858.30
42-079-3269021858.30
42-079-326557858.30

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

Unit decimal checker

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36 months, newest first

Ledger for MASTEN "C"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Extex Operating160219000$80.46$2.89
Jun 2026Extex Operating1030000$84.81$3.15
May 2026Extex Operating116122000$102.13$2.94
Apr 2026Extex Operating133213000$100.32$2.77
Mar 2026Extex Operating960000$91.38$3.04
Feb 2026Extex Operating16104000$64.51$3.62
Jan 2026Extex Operating420330$60.04$7.72
Dec 2025Extex Operating14711786860$57.97$4.26
Nov 2025Extex Operating13524886860$60.06$3.79
Oct 2025Extex Operating12101011010$60.89$3.19
Sep 2025Extex Operating14922169690$63.96$2.97
Aug 2025Extex Operating17210183830$64.86$2.91
Jul 2025Extex Operating16221563630$68.39$3.20
Jun 2025Extex Operating16723330300$68.17$3.02
May 2025Extex Operating184122000$62.17$3.12
Apr 2025Extex Operating14891000$63.54$3.42
Mar 2025Extex Operating166245000$68.24$4.12
Feb 2025Extex Operating168120000$71.53$4.19
Jan 2025Extex Operating167237000$75.74$4.13
Dec 2024Extex Operating184128000$70.12$3.01
Nov 2024Extex Operating17011410100$69.95$2.12
Oct 2024Extex Operating17623457570$71.99$2.20
Sep 2024Extex Operating16312573730$70.24$2.28
Aug 2024Extex Operating14523252520$76.68$1.99
Jul 2024Extex Operating14911848480$81.80$2.07
Jun 2024Extex Operating12712532320$79.77$2.54
May 2024Extex Operating18212059590$80.02$2.12
Apr 2024Extex Operating21223253530$85.35$1.60
Mar 2024Extex Operating20324538380$81.28$1.49
Feb 2024Extex Operating20112993930$77.25$1.72
Jan 2024Extex Operating21436698980$74.15$3.18
Dec 2023Extex Operating22812572720$71.90$2.52
Nov 2023Extex Operating18824286860$77.69$2.71
Oct 2023Extex Operating18311419190$85.64$2.98
Sep 2023Extex Operating2012471081080$89.43$2.64
Aug 2023Extex Operating24225686860$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

OperatorExtex Operating CompanyFieldLevellandCountyCochran County

Extex Operating Company in Cochran County

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Levelland field

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