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Texas oil lease

Producing

SHAFTER LAKE CLEARFORK UNIT

Shafter Lake Clearfork Unit is an oil lease in Andrews County, Texas, operated by Highmark Energy Operating, LLC in the Shafter Lake (Clear Fork) field.

71 wells

76,393bbl oil, last 12 months−1% vs prior year
Operator
Highmark Energy Operating, LLC
County
Andrews County
Field
Shafter Lake (Clear Fork)
RRC lease
08-34411

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
13,112 mcf
Oil in Jul 2026
7,535 bbl

Production by month

Oil output held steady over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production and gas for SHAFTER LAKE CLEARFORK UNIT, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 76,393 bbl in the 12 months through Jul 2026, against 76,907 bbl in the 12 months before.Last 12 months: 76,393 bblbbl per monthmcf per month002,5001,0005,0002,0007,5003,00010k4,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production and gas for SHAFTER LAKE CLEARFORK UNIT, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 76,393 bbl in the 12 months through Jul 2026, against 76,907 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5001,0005,0002,0007,5003,00010k4,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

80% of the gas went to a processing plant in the last 12 months

Flaring peaked at 100.0% of the gas in Feb 2024.

  • Processing plant (3)
  • Flared (4)
80% of the gas went to a processing plant in the last 12 monthsShare of SHAFTER LAKE CLEARFORK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a processing plant in the last 12 months. Flaring peaked at 100.0% of the gas in Feb 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
80% of the gas went to a processing plant in the last 12 monthsShare of SHAFTER LAKE CLEARFORK UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a processing plant in the last 12 months. Flaring peaked at 100.0% of the gas in Feb 2024.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    80% · 13,833 mcf

  • Flared (4)

    20% · 3,355 mcf

19.5% of the gas flared in the last 12 months. 17 months above 3%.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeLegacy Reserves Operating LP, Jan 2020 to Feb 2023; Highmark Energy Operating, LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Legacy Reserves Operating LPJan 2020 to Feb 2023Highmark Energy Operating, LLCMar 2023 to now
Operators of this lease over timeLegacy Reserves Operating LP, Jan 2020 to Feb 2023; Highmark Energy Operating, LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Legacy Reserves Operating LPJan 2020 to Feb 2023Highmark Energy Operating, LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

71 wells on this lease

Wells on SHAFTER LAKE CLEARFORK UNIT
API numberWell no.Status
42-003-04568503Active
42-003-04621502Active
42-003-04663504Active
42-003-04672604Active
42-003-05348205Active
42-003-05350206Active
42-003-05351106Active
42-003-05352405Active
42-003-05353305Active
42-003-05386505Active
42-003-07679402Active
42-003-07680301Shut-in
42-003-10117605Shut-in
42-003-10739603Active
42-003-11057602Active
42-003-30076403Shut-in
42-003-30097303Active
42-003-30176506Active
42-003-30206606Shut-in
42-003-30229406Active
42-003-30244306Active
42-003-30249302Active
42-003-30258507Shut-in
42-003-30271607Active
42-003-30272407Active
42-003-30342408Active
42-003-30368508Active
42-003-30374608Active
42-003-30382705Active
42-003-37199226WActive
42-003-37600307Active
42-003-37601326WShut-in
42-003-37602404Shut-in
42-003-37603426WActive
42-003-37604427Active
42-003-37605525Active
42-003-37606526Active
42-003-37607527Active
42-003-37608528Active
42-003-37609625Active
42-003-37610626Active
42-003-37611627Active
42-003-37612628Active
42-003-37613105Shut-in
42-003-378726031Active
42-003-37873422WActive
42-003-37874624WActive
42-003-37875623Shut-in
42-003-37876524Active
42-003-37877523WActive
42-003-37878423WActive
42-003-37906125Shut-in
42-003-37907225Active
42-003-38283425WActive
42-003-38284424WActive
42-003-38285325WActive
42-003-384364071Shut-in
42-003-38569725WShut-in
42-003-388906021Active
42-003-392324034Shut-in
42-003-392334045Shut-in
42-003-392345067Active
42-003-392355078Shut-in
42-003-392364256Shut-in
42-003-392374067Active
42-003-392385045Shut-in
42-003-392395267WActive
42-003-392405278WActive
42-003-392414056Shut-in
42-003-392495245WActive
42-003-40909505RShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Sentinel Transportation, LLCOilGathers100Oct 1, 2020–
Dcp Operating Company, LPCasinghead gasBuys100Aug 1, 2022–
Dcp Operating Company, LPCasinghead gasGathers100Aug 1, 2022–
Dorado Oil CompanyOilGathers100Apr 1, 2020Oct 1, 2020
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Apr 1, 2020
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Apr 1, 2020
Enterprise Crude Pipeline LLCOilGathers100May 1, 2010Apr 1, 2020

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

Who buys my oilOil price check

80 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 40 and 1,320 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    79 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 Shafter Lake Clearfork Unit
API numberWell no.Acreson the permit
42-003-39235507880
42-003-40909505R1,320
42-003-392495245W1,320
42-003-3923952671,320
42-003-392395267W1,320
42-003-392405278W1,320
42-003-3924140561,320
42-003-3923240341,320
42-003-3923850451,320
42-003-3923450671,320
42-003-3923642561,320
42-003-3923740671,320

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SHAFTER LAKE CLEARFORK UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Highmark Energy7,5357,3612,4482,4480$80.46$2.89
Jun 2026Highmark Energy7,9848,0542,1682,1680$84.81$3.15
May 2026Highmark Energy7,0197,4272,0952,0950$102.13$2.94
Apr 2026Highmark Energy7,4587,2562,3532,3530$100.32$2.77
Mar 2026Highmark Energy6,3006,3341,7211,7210$91.38$3.04
Feb 2026Highmark Energy4,3184,6537297290$64.51$3.62
Jan 2026Highmark Energy4,5734,4025525520$60.04$7.72
Dec 2025Highmark Energy5,7885,4241,0461,0460$57.97$4.26
Nov 2025Highmark Energy7,1827,420000$60.06$3.79
Oct 2025Highmark Energy5,8265,668000$60.89$3.19
Sep 2025Highmark Energy6,0945,992000$63.96$2.97
Aug 2025Highmark Energy6,3166,396000$64.86$2.91
Jul 2025Highmark Energy5,3994,994000$68.39$3.20
Jun 2025Highmark Energy6,6136,541000$68.17$3.02
May 2025Highmark Energy8,8479,065000$62.17$3.12
Apr 2025Highmark Energy7,0176,744000$63.54$3.42
Mar 2025Highmark Energy5,3245,628000$68.24$4.12
Feb 2025Highmark Energy1,2363,1721350135$71.53$4.19
Jan 2025Highmark Energy4,8792,8741,08501,085$75.74$4.13
Dec 2024Highmark Energy7,1028,0681,2211361,085$70.12$3.01
Nov 2024Highmark Energy6,9586,2211,6355851,050$69.95$2.12
Oct 2024Highmark Energy8,2118,8262,9711,8861,085$71.99$2.20
Sep 2024Highmark Energy7,46911,7241,092202890$70.24$2.28
Aug 2024Highmark Energy7,8522,8721,158258900$76.68$1.99
Jul 2024Highmark Energy7,0087,1719300930$81.80$2.07
Jun 2024Highmark Energy6,8446,9669000900$79.77$2.54
May 2024Highmark Energy7,0536,852867117750$80.02$2.12
Apr 2024Highmark Energy5,0835,326561381180$85.35$1.60
Mar 2024Highmark Energy4,7154,8121,050770280$81.28$1.49
Feb 2024Highmark Energy5,0974,6145400540$77.25$1.72
Jan 2024Highmark Energy4,7965,2013423420$74.15$3.18
Dec 2023Highmark Energy3,7253,560605275330$71.90$2.52
Nov 2023Highmark Energy2,6442,302946430$77.69$2.71
Oct 2023Highmark Energy3,3253,5515045040$85.64$2.98
Sep 2023Highmark Energy4,3684,45143759378$89.43$2.64
Aug 2023Highmark Energy3,9903,857451106345$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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This lease belongs to

OperatorHighmark Energy Operating, LLCFieldShafter Lake (Clear Fork)CountyAndrews County

Highmark Energy Operating, LLC in Andrews County

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Shafter Lake (Clear Fork) field

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