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Texas oil lease

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MASTEN, F. O. "B"

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

7 wells

632bbl oil, last 12 months−4% vs prior year
Operator
Extex Operating Company
County
Cochran County
Field
Levelland
RRC lease
8A-66964

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Where it sits

This county

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

Checks stopped on this lease?

  • Sales

    No sales reported for the last 2 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 4% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for MASTEN, F. O. "B", Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 632 bbl in the 12 months through Jul 2026, against 656 bbl in the 12 months before.Last 12 months: 632 bblbbl per monthmcf per month0050251005015075200100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for MASTEN, F. O. "B", Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 632 bbl in the 12 months through Jul 2026, against 656 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050251005015075200100Jan 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, F. O. "B" 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, F. O. "B" 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.

7 wells on this lease

Wells on MASTEN, F. O. "B"
API numberWell no.Status
42-079-326503Active
42-079-326592Shut-in
42-079-326601Active
42-079-326654Shut-in
42-079-327217Shut-in
42-079-327239Active
42-079-327248Shut-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

198.80 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 93.4 and 198.8 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    7 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Masten, F. O. "B"
API numberWell no.Acreson the permit
42-079-327217198.80
42-079-327239198.80
42-079-327248198.80
42-079-32665493.40
42-079-326592107.10
42-079-326601107.10
42-079-32650393.40

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

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36 months, newest first

Ledger for MASTEN, F. O. "B"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Extex Operating120000$80.46$2.89
Jun 2026Extex Operating90000$84.81$3.15
May 2026Extex Operating4190000$102.13$2.94
Apr 2026Extex Operating14786000$100.32$2.77
Mar 2026Extex Operating720000$91.38$3.04
Feb 2026Extex Operating5490000$64.51$3.62
Jan 2026Extex Operating490220$60.04$7.72
Dec 2025Extex Operating468973730$57.97$4.26
Nov 2025Extex Operating21073730$60.06$3.79
Oct 2025Extex Operating598385850$60.89$3.19
Sep 2025Extex Operating578758580$63.96$2.97
Aug 2025Extex Operating65069690$64.86$2.91
Jul 2025Extex Operating578453530$68.39$3.20
Jun 2025Extex Operating608525250$68.17$3.02
May 2025Extex Operating520000$62.17$3.12
Apr 2025Extex Operating3280000$63.54$3.42
Mar 2025Extex Operating360000$68.24$4.12
Feb 2025Extex Operating5593000$71.53$4.19
Jan 2025Extex Operating5992000$75.74$4.13
Dec 2024Extex Operating5895000$70.12$3.01
Nov 2024Extex Operating580990$69.95$2.12
Oct 2024Extex Operating63048480$71.99$2.20
Sep 2024Extex Operating628063630$70.24$2.28
Aug 2024Extex Operating648745450$76.68$1.99
Jul 2024Extex Operating1378241410$81.80$2.07
Jun 2024Extex Operating158228280$79.77$2.54
May 2024Extex Operating59150500$80.02$2.12
Apr 2024Extex Operating619746460$85.35$1.60
Mar 2024Extex Operating649232320$81.28$1.49
Feb 2024Extex Operating59079790$77.25$1.72
Jan 2024Extex Operating739684840$74.15$3.18
Dec 2023Extex Operating719562620$71.90$2.52
Nov 2023Extex Operating658974740$77.69$2.71
Oct 2023Extex Operating66016160$85.64$2.98
Sep 2023Extex Operating659792920$89.43$2.64
Aug 2023Extex Operating788873730$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

OperatorExtex Operating CompanyFieldLevellandCountyCochran County

Extex Operating Company in Cochran County

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Levelland field

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