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Texas oil lease

Producing

LOCKHART

Lockhart is an oil lease in Andrews County, Texas, operated by Winn Operating, LLC in the Martin (Consolidated) field.

10 wells

8,557bbl oil, last 12 months+16% vs prior year
RRC lease
08-40005

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
23,653 mcf
Oil in Jul 2026
742 bbl

Production by month

Oil output rose 16% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 16% over the last 12 monthsMonthly oil production and gas for LOCKHART, Aug 2023 to Jul 2026. Oil output rose 16% over the last 12 months. 8,557 bbl in the 12 months through Jul 2026, against 7,406 bbl in the 12 months before.Last 12 months: 8,557 bblbbl per monthmcf per month002001,0004002,0006003,0008004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 16% over the last 12 monthsMonthly oil production and gas for LOCKHART, Aug 2023 to Jul 2026. Oil output rose 16% over the last 12 months. 8,557 bbl in the 12 months through Jul 2026, against 7,406 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001,0004002,0006003,0008004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of LOCKHART gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: plant to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of LOCKHART gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant.Share of gas by disposition code0%50%100%Jul 26: plant to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    52% · 12,383 mcf

  • Processing plant (3)

    42% · 10,020 mcf

  • Lease fuel (1)

    5.3% · 1,250 mcf

Who has run this lease

The operator changed once, most recently in Jun 2022

Operators of this lease over timeMammoth Exploration LLC, Jan 2020 to May 2022; Winn Operating, LLC, Jun 2022 to Jul 20262020202120222023202420252026Changed Jun 2022Mammoth Exploration LLCJan 2020 to May 2022Winn Operating, LLCJun 2022 to now
Operators of this lease over timeMammoth Exploration LLC, Jan 2020 to May 2022; Winn Operating, LLC, Jun 2022 to Jul 20262020202120222023202420252026Changed Jun 2022Mammoth Exploration LLCJan 2020 to May 2022Winn Operating, LLCJun 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

10 wells on this lease

Wells on LOCKHART
API numberWell no.Status
42-003-051851Shut-in
42-003-0523310Shut-in
42-003-0523411Shut-in
42-003-052368DActive
42-003-052377DShut-in
42-003-052392Shut-in
42-003-052425Shut-in
42-003-3243413Shut-in
42-003-3722716Active
42-003-3732317Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Jun 13, 2022–
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017–
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Jul 1, 2016Jun 13, 2022

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

321.70 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 320 and 322 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    14 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.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Lockhart
API numberWell no.Acreson the permit
42-003-052403321.70
42-003-3243413321.70
42-003-0523411321.70
42-003-0523310320
42-003-0523512321.70
42-003-3732317321.70
42-003-3722716321.70
42-003-3694215321.70
42-003-3671514321.70
42-003-052425321.70
42-003-051851322
42-003-052392322

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

Estimate your royalty

36 months, newest first

Ledger for LOCKHART
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Winn Operating,74263559100$80.46$2.89
Jun 2026Winn Operating,7096301,2841,2840$84.81$3.15
May 2026Winn Operating,7556092,1022,1020$102.13$2.94
Apr 2026Winn Operating,75061765900$100.32$2.77
Mar 2026Winn Operating,7817181,9791,9790$91.38$3.04
Feb 2026Winn Operating,7065432,1922,1920$64.51$3.62
Jan 2026Winn Operating,7226442,4632,4630$60.04$7.72
Dec 2025Winn Operating,6576532,4042,4040$57.97$4.26
Nov 2025Winn Operating,6796292,0162,0160$60.06$3.79
Oct 2025Winn Operating,5596402,5552,5550$60.89$3.19
Sep 2025Winn Operating,7326422,7962,7960$63.96$2.97
Aug 2025Winn Operating,7656352,6122,6120$64.86$2.91
Jul 2025Winn Operating,7456671411410$68.39$3.20
Jun 2025Winn Operating,732638000$68.17$3.02
May 2025Winn Operating,553638000$62.17$3.12
Apr 2025Winn Operating,657538000$63.54$3.42
Mar 2025Winn Operating,6986261,4421,4420$68.24$4.12
Feb 2025Winn Operating,6776152,9412,9410$71.53$4.19
Jan 2025Winn Operating,6164752,7742,7740$75.74$4.13
Dec 2024Winn Operating,5896231,1001,1000$70.12$3.01
Nov 2024Winn Operating,6325522,2902,2900$69.95$2.12
Oct 2024Winn Operating,4956254184180$71.99$2.20
Sep 2024Winn Operating,4775904764760$70.24$2.28
Aug 2024Winn Operating,5354225335330$76.68$1.99
Jul 2024Winn Operating,4845793803800$81.80$2.07
Jun 2024Winn Operating,4523984524520$79.77$2.54
May 2024Winn Operating,4414067337330$80.02$2.12
Apr 2024Winn Operating,471593000$85.35$1.60
Mar 2024Winn Operating,4373501811810$81.28$1.49
Feb 2024Winn Operating,3113796226220$77.25$1.72
Jan 2024Winn Operating,4854775925920$74.15$3.18
Dec 2023Winn Operating,5374109729720$71.90$2.52
Nov 2023Winn Operating,5195548648640$77.69$2.71
Oct 2023Winn Operating,524524000$85.64$2.98
Sep 2023Winn Operating,3593634864860$89.43$2.64
Aug 2023Winn Operating,34533791910$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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