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MASTEN, F. O. "D"

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

15 wells

49bbl oil, last 12 months−64% vs prior year
Operator
Extex Operating Company
County
Cochran County
Field
Levelland
RRC lease
8A-03749

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Where it sits

This county

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

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 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 64% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 64% over the last 12 monthsMonthly oil production and gas for MASTEN, F. O. "D", Aug 2023 to Jul 2026. Oil output fell 64% over the last 12 months. 49 bbl in the 12 months through Jul 2026, against 137 bbl in the 12 months before.Last 12 months: 49 bblbbl per monthmcf per month0025205040756010080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 64% over the last 12 monthsMonthly oil production and gas for MASTEN, F. O. "D", Aug 2023 to Jul 2026. Oil output fell 64% over the last 12 months. 49 bbl in the 12 months through Jul 2026, against 137 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025205040756010080Jan 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. "D" 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. "D" 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.

15 wells on this lease

Wells on MASTEN, F. O. "D"
API numberWell no.Status
42-079-019282WActive
42-079-021741Active
42-079-326667Shut-in
42-079-326672 XShut-in
42-079-326686Shut-in
42-079-326698Active
42-079-326735Shut-in
42-079-3269114Shut-in
42-079-3271313Shut-in
42-079-3271412Active
42-079-3271511Shut-in
42-079-3271610Active
42-079-328839Active
42-079-3289815Active
42-079-329014Shut-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

355.40 acres on the newest permit

  • Good to know

    16 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. "D"
API numberWell no.Acreson the permit
42-079-329014355.40
42-079-3289815355.40
42-079-328839355.40
42-079-3271313355.40
42-079-3271412355.40
42-079-3271610355.40
42-079-3271511355.40
42-079-3269114355.40
42-079-326735355.40
42-079-326698355.40
42-079-326686355.40
42-079-326667355.40

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

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36 months, newest first

Ledger for MASTEN, F. O. "D"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Extex Operating110000$80.46$2.89
Jun 2026Extex Operating00000$84.81$3.15
May 2026Extex Operating10000$102.13$2.94
Apr 2026Extex Operating20000$100.32$2.77
Mar 2026Extex Operating40000$91.38$3.04
Feb 2026Extex Operating10000$64.51$3.62
Jan 2026Extex Operating00110$60.04$7.72
Dec 2025Extex Operating1045450$57.97$4.26
Nov 2025Extex Operating12045450$60.06$3.79
Oct 2025Extex Operating4052520$60.89$3.19
Sep 2025Extex Operating7036360$63.96$2.97
Aug 2025Extex Operating6043430$64.86$2.91
Jul 2025Extex Operating3033330$68.39$3.20
Jun 2025Extex Operating2015150$68.17$3.02
May 2025Extex Operating70000$62.17$3.12
Apr 2025Extex Operating70000$63.54$3.42
Mar 2025Extex Operating50000$68.24$4.12
Feb 2025Extex Operating10000$71.53$4.19
Jan 2025Extex Operating60000$75.74$4.13
Dec 2024Extex Operating20175000$70.12$3.01
Nov 2024Extex Operating100550$69.95$2.12
Oct 2024Extex Operating34030300$71.99$2.20
Sep 2024Extex Operating19038380$70.24$2.28
Aug 2024Extex Operating2316127270$76.68$1.99
Jul 2024Extex Operating17025250$81.80$2.07
Jun 2024Extex Operating13017170$79.77$2.54
May 2024Extex Operating29031310$80.02$2.12
Apr 2024Extex Operating29028280$85.35$1.60
Mar 2024Extex Operating54020200$81.28$1.49
Feb 2024Extex Operating50048480$77.25$1.72
Jan 2024Extex Operating8617351510$74.15$3.18
Dec 2023Extex Operating32038380$71.90$2.52
Nov 2023Extex Operating26045450$77.69$2.71
Oct 2023Extex Operating14010100$85.64$2.98
Sep 2023Extex Operating6817456560$89.43$2.64
Aug 2023Extex Operating65145450$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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