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Texas oil lease

Producing

UNIVERSITY SAN ANDRES UNIT

University San Andres Unit is an oil lease in Andrews County, Texas, operated by Highmark Energy Operating, LLC in the Shafter Lake (San Andres) field.

40 wells

6,798bbl oil, last 12 months−18% vs prior year
Operator
Highmark Energy Operating, LLC
County
Andrews County
Field
Shafter Lake (San Andres)
RRC lease
08-36661

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Gas, last 12 months
239 mcf
Oil in Jul 2026
411 bbl

Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for UNIVERSITY SAN ANDRES UNIT, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 6,798 bbl in the 12 months through Jul 2026, against 8,282 bbl in the 12 months before.Last 12 months: 6,798 bblbbl per monthmcf per month002501005002007503001,0004001,250500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for UNIVERSITY SAN ANDRES UNIT, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 6,798 bbl in the 12 months through Jul 2026, against 8,282 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002501005002007503001,0004001,250500Jan 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 UNIVERSITY SAN ANDRES UNIT 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 UNIVERSITY SAN ANDRES UNIT 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 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.

40 wells on this lease

Wells on UNIVERSITY SAN ANDRES UNIT
API numberWell no.Status
42-003-053761Shut-in
42-003-0537814DActive
42-003-0546135Active
42-003-1046630Active
42-003-1071644Shut-in
42-003-1072341Shut-in
42-003-1072845Active
42-003-1074042Shut-in
42-003-1077715Shut-in
42-003-1078316Active
42-003-1078624Active
42-003-1085522Shut-in
42-003-1086514Shut-in
42-003-108769Shut-in
42-003-1088817Active
42-003-1088925Active
42-003-1089031Active
42-003-1089110Active
42-003-1090736Shut-in
42-003-1090829Shut-in
42-003-1091038Active
42-003-1091132Active
42-003-1092218Active
42-003-109234Shut-in
42-003-109252Shut-in
42-003-3720118WActive
42-003-372025Shut-in
42-003-3885811WActive
42-003-3885912WActive
42-003-3886013WActive
42-003-3886119WActive
42-003-3886220WActive
42-003-3886321WActive
42-003-3886426WShut-in
42-003-3886527WActive
42-003-3886628WActive
42-003-3886733WShut-in
42-003-3886834WShut-in
42-003-388698Shut-in
42-003-3889123AActive

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

1,610 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 160 and 1,610 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    44 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 University San Andres Unit
API numberWell no.Acreson the permit
42-003-3889123A1,610
42-003-38858111,610
42-003-3885811W1,610
42-003-3885912W1,610
42-003-3886013W1,610
42-003-3886119W1,610
42-003-3886220W1,610
42-003-3886321W1,610
42-003-38864261,610
42-003-3886426W1,610
42-003-3886527W1,610
42-003-3886628W1,610

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for UNIVERSITY SAN ANDRES UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Highmark Energy41135682820$80.46$2.89
Jun 2026Highmark Energy473355000$84.81$3.15
May 2026Highmark Energy480505000$102.13$2.94
Apr 2026Highmark Energy455533000$100.32$2.77
Mar 2026Highmark Energy594520000$91.38$3.04
Feb 2026Highmark Energy651704000$64.51$3.62
Jan 2026Highmark Energy524524000$60.04$7.72
Dec 2025Highmark Energy5405271571570$57.97$4.26
Nov 2025Highmark Energy538701000$60.06$3.79
Oct 2025Highmark Energy703713000$60.89$3.19
Sep 2025Highmark Energy659709000$63.96$2.97
Aug 2025Highmark Energy770709000$64.86$2.91
Jul 2025Highmark Energy9991,090000$68.39$3.20
Jun 2025Highmark Energy769720000$68.17$3.02
May 2025Highmark Energy611529000$62.17$3.12
Apr 2025Highmark Energy4831,239000$63.54$3.42
Mar 2025Highmark Energy00000$68.24$4.12
Feb 2025Highmark Energy4800000$71.53$4.19
Jan 2025Highmark Energy385179000$75.74$4.13
Dec 2024Highmark Energy8161,040000$70.12$3.01
Nov 2024Highmark Energy915535000$69.95$2.12
Oct 2024Highmark Energy949903000$71.99$2.20
Sep 2024Highmark Energy9099091061060$70.24$2.28
Aug 2024Highmark Energy9661,08296960$76.68$1.99
Jul 2024Highmark Energy9351,08198980$81.80$2.07
Jun 2024Highmark Energy1,0591,20640400$79.77$2.54
May 2024Highmark Energy79558436360$80.02$2.12
Apr 2024Highmark Energy341350550$85.35$1.60
Mar 2024Highmark Energy47256841410$81.28$1.49
Feb 2024Highmark Energy3553821371370$77.25$1.72
Jan 2024Highmark Energy4363402102100$74.15$3.18
Dec 2023Highmark Energy4875332692690$71.90$2.52
Nov 2023Highmark Energy3973563053050$77.69$2.71
Oct 2023Highmark Energy5715453083080$85.64$2.98
Sep 2023Highmark Energy4975501811810$89.43$2.64
Aug 2023Highmark Energy577712000$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

OperatorHighmark Energy Operating, LLCFieldShafter Lake (San Andres)CountyAndrews County

Highmark Energy Operating, LLC in Andrews County

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Shafter Lake (San Andres) field

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