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Producing

SOUTHLAND ROYALTY "D"

Southland Royalty "D" is an oil lease in Andrews County, Texas, operated by Highmark Energy Operating, LLC in the Wallen (San Andres) field.

1 well

984bbl oil, last 12 months−14% vs prior year
Operator
Highmark Energy Operating, LLC
County
Andrews County
Field
Wallen (San Andres)
RRC lease
08-34938

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Oil in Jul 2026
44 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production for SOUTHLAND ROYALTY "D", Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 984 bbl in the 12 months through Jul 2026, against 1,139 bbl in the 12 months before.Last 12 months: 984 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production for SOUTHLAND ROYALTY "D", Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 984 bbl in the 12 months through Jul 2026, against 1,139 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

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.

1 well on this lease

Wells on SOUTHLAND ROYALTY "D"
API numberWell no.Status
42-003-331501Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Sentinel Transportation, LLCOilGathers100Nov 1, 2017–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Aug 1, 2022
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Aug 1, 2022

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

Who buys my oilOil price check

240 acres on the newest permit

Check your decimal on this lease
Permits for Southland Royalty "D"
API numberWell no.Acreson the permit
42-003-331501240

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SOUTHLAND ROYALTY "D"
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Highmark Energy440$80.46$2.89
Jun 2026Highmark Energy90166$84.81$3.15
May 2026Highmark Energy960$102.13$2.94
Apr 2026Highmark Energy86162$100.32$2.77
Mar 2026Highmark Energy750$91.38$3.04
Feb 2026Highmark Energy67156$64.51$3.62
Jan 2026Highmark Energy560$60.04$7.72
Dec 2025Highmark Energy76150$57.97$4.26
Nov 2025Highmark Energy550$60.06$3.79
Oct 2025Highmark Energy8367$60.89$3.19
Sep 2025Highmark Energy182166$63.96$2.97
Aug 2025Highmark Energy740$64.86$2.91
Jul 2025Highmark Energy102153$68.39$3.20
Jun 2025Highmark Energy61180$68.17$3.02
May 2025Highmark Energy510$62.17$3.12
Apr 2025Highmark Energy730$63.54$3.42
Mar 2025Highmark Energy102176$68.24$4.12
Feb 2025Highmark Energy750$71.53$4.19
Jan 2025Highmark Energy171171$75.74$4.13
Dec 2024Highmark Energy144180$70.12$3.01
Nov 2024Highmark Energy164168$69.95$2.12
Oct 2024Highmark Energy79170$71.99$2.20
Sep 2024Highmark Energy530$70.24$2.28
Aug 2024Highmark Energy640$76.68$1.99
Jul 2024Highmark Energy73164$81.80$2.07
Jun 2024Highmark Energy610$79.77$2.54
May 2024Highmark Energy760$80.02$2.12
Apr 2024Highmark Energy00$85.35$1.60
Mar 2024Highmark Energy9181$81.28$1.49
Feb 2024Highmark Energy00$77.25$1.72
Jan 2024Highmark Energy420$74.15$3.18
Dec 2023Highmark Energy660$71.90$2.52
Nov 2023Highmark Energy74158$77.69$2.71
Oct 2023Highmark Energy730$85.64$2.98
Sep 2023Highmark Energy700$89.43$2.64
Aug 2023Highmark Energy103178$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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This lease belongs to

OperatorHighmark Energy Operating, LLCFieldWallen (San Andres)CountyAndrews County

Highmark Energy Operating, LLC in Andrews County

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Wallen (San Andres) field

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