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Texas oil lease

Producing

MASTEN, F. O "H"

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

21 wells

693bbl oil, last 12 months−31% vs prior year
RRC lease
8A-03750

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Where it sits

This county

Cochran CountyCochranHockleyLambBaileyCochran County
Cochran County
Gas, last 12 months
139 mcf
Oil in Jul 2026
78 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, F. O "H", Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 693 bbl in the 12 months through Jul 2026, against 1,003 bbl in the 12 months before.Last 12 months: 693 bblbbl per monthmcf per month002510502075301004012550Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 31% over the last 12 monthsMonthly oil production and gas for MASTEN, F. O "H", Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 693 bbl in the 12 months through Jul 2026, against 1,003 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002510502075301004012550Jan 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 "H" 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 "H" 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.

21 wells on this lease

Wells on MASTEN, F. O "H"
API numberWell no.Status
42-079-003401Active
42-079-019292Active
42-079-019313Active
42-079-019366Active
42-079-021407Active
42-079-101718Active
42-079-316919Shut-in
42-079-3180411Active
42-079-3180510Active
42-079-326714 XShut-in
42-079-3269214Active
42-079-3269318Active
42-079-3270513Shut-in
42-079-3270615Active
42-079-3270816Shut-in
42-079-3271812Shut-in
42-079-3271917Active
42-079-3272019Active
42-079-327871 XShut-in
42-079-328996 XShut-in
42-079-329918XActive

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).

384.80 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 384.8 and 710 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    22 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 "H"
API numberWell no.Acreson the permit
42-079-329918X384.80
42-079-328996 X394.80
42-079-327871 X384.80
42-079-3270816384.80
42-079-3270513384.80
42-079-3270615384.80
42-079-3271812384.80
42-079-3271917384.80
42-079-3272019384.80
42-079-3269214384.80
42-079-3269318384.80
42-079-326714 X384.80

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

Estimate your royalty

36 months, newest first

Ledger for MASTEN, F. O "H"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Extex Operating78111000$80.46$2.89
Jun 2026Extex Operating530000$84.81$3.15
May 2026Extex Operating5861000$102.13$2.94
Apr 2026Extex Operating66106000$100.32$2.77
Mar 2026Extex Operating460000$91.38$3.04
Feb 2026Extex Operating1051000$64.51$3.62
Jan 2026Extex Operating230110$60.04$7.72
Dec 2025Extex Operating715828280$57.97$4.26
Nov 2025Extex Operating6712628280$60.06$3.79
Oct 2025Extex Operating63033330$60.89$3.19
Sep 2025Extex Operating7410922220$63.96$2.97
Aug 2025Extex Operating845227270$64.86$2.91
Jul 2025Extex Operating8210520200$68.39$3.20
Jun 2025Extex Operating8111710100$68.17$3.02
May 2025Extex Operating9362000$62.17$3.12
Apr 2025Extex Operating7547000$63.54$3.42
Mar 2025Extex Operating84123000$68.24$4.12
Feb 2025Extex Operating8560000$71.53$4.19
Jan 2025Extex Operating83118000$75.74$4.13
Dec 2024Extex Operating9263000$70.12$3.01
Nov 2024Extex Operating8456330$69.95$2.12
Oct 2024Extex Operating8711619190$71.99$2.20
Sep 2024Extex Operating816624240$70.24$2.28
Aug 2024Extex Operating7611717170$76.68$1.99
Jul 2024Extex Operating756116160$81.80$2.07
Jun 2024Extex Operating656211110$79.77$2.54
May 2024Extex Operating916320200$80.02$2.12
Apr 2024Extex Operating10911618180$85.35$1.60
Mar 2024Extex Operating10212313130$81.28$1.49
Feb 2024Extex Operating1016531310$77.25$1.72
Jan 2024Extex Operating10718532320$74.15$3.18
Dec 2023Extex Operating1166424240$71.90$2.52
Nov 2023Extex Operating9612029290$77.69$2.71
Oct 2023Extex Operating9059660$85.64$2.98
Sep 2023Extex Operating10212436360$89.43$2.64
Aug 2023Extex Operating12212728280$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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