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PIERSON, WILLIAM ESTATE

Pierson, William Estate is an oil lease in Gaines County, Texas, operated by Hilcorp Energy Company in the Russell, S. (San Andres) field.

4 wells

18,186bbl oil, last 12 months−8% vs prior year
Operator
Hilcorp Energy Company
County
Gaines County
Field
Russell, S. (San Andres)
RRC lease
8A-18452

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Where it sits

This county

Gaines CountyGainesYoakumDawsonTerryGaines County
Gaines County
Gas, last 12 months
6,679 mcf
Oil in Jul 2026
1,651 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Hilcorp Energy Company took over from XTO Energy Inc. in May 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 8% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for PIERSON, WILLIAM ESTATE, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 18,186 bbl in the 12 months through Jul 2026, against 19,697 bbl in the 12 months before.Last 12 months: 18,186 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for PIERSON, WILLIAM ESTATE, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 18,186 bbl in the 12 months through Jul 2026, against 19,697 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of PIERSON, WILLIAM ESTATE gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2025: plant to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plantShare of PIERSON, WILLIAM ESTATE gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of a processing plant.Share of gas by disposition code0%50%100%Apr 25: plant to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in May 2025

Operators of this lease over timeXTO Energy Inc., Jan 2020 to Apr 2025; Hilcorp Energy Company, May 2025 to Jul 20262020202120222023202420252026Changed May 2025XTO Energy Inc.Jan 2020 to Apr 2025Hilcorp Energy CompanyMay 2025 to now
Operators of this lease over timeXTO Energy Inc., Jan 2020 to Apr 2025; Hilcorp Energy Company, May 2025 to Jul 20262020202120222023202420252026Changed May 2025XTO Energy Inc.Jan 2020 to Apr 2025Hilcorp Energy CompanyMay 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

4 wells on this lease

Wells on PIERSON, WILLIAM ESTATE
API numberWell no.Status
42-165-024621Shut-in
42-165-0247211Shut-in
42-165-3481321Active
42-165-3485723Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Holly Energy Partners-Op, L.p.OilGathers100Jun 1, 2008–
Occidental Permian Ltd.Casinghead gasBuys50Apr 1, 2025–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys50Apr 1, 2025–
Occidental Permian Ltd.Casinghead gasGathers50Apr 1, 2025–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers50Apr 1, 2025–
Occidental Permian Ltd.Casinghead gasGathers100May 1, 2000Apr 1, 2025
Occidental Permian Ltd.Casinghead gasBuys100May 1, 2000Apr 1, 2025

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

Who buys my oilOil price check

320 acres on the newest permit

  • Good to know

    10 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 Pierson, William Estate
API numberWell no.Acreson the permit
42-165-0247211320
42-165-3485723320
42-165-3481321320
42-165-024621320
42-165-024621 U320
42-165-024665 U–
42-165-024676–
42-165-024676 U–
42-165-024687–
42-165-024687 U–

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

Unit decimal checker

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36 months, newest first

Ledger for PIERSON, WILLIAM ESTATE
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Hilcorp Energy1,6511,5981551550$80.46$2.89
Jun 2026Hilcorp Energy1,5291,5125225220$84.81$3.15
May 2026Hilcorp Energy1,5061,4305065060$102.13$2.94
Apr 2026Hilcorp Energy1,0431,0814834830$100.32$2.77
Mar 2026Hilcorp Energy1,6011,6274744740$91.38$3.04
Feb 2026Hilcorp Energy1,4701,4846996990$64.51$3.62
Jan 2026Hilcorp Energy1,7041,6947627620$60.04$7.72
Dec 2025Hilcorp Energy1,6991,6628098090$57.97$4.26
Nov 2025Hilcorp Energy1,5721,5826146140$60.06$3.79
Oct 2025Hilcorp Energy1,5671,5887077070$60.89$3.19
Sep 2025Hilcorp Energy1,5841,5474424420$63.96$2.97
Aug 2025Hilcorp Energy1,2601,2815065060$64.86$2.91
Jul 2025Hilcorp Energy1,4631,4983593590$68.39$3.20
Jun 2025Hilcorp Energy1,7141,6345425420$68.17$3.02
May 2025Hilcorp Energy1,6871,7335855850$62.17$3.12
Apr 2025XTO Energy1,6171,6325465460$63.54$3.42
Mar 2025XTO Energy1,7171,7411,0281,0040$68.24$4.12
Feb 2025XTO Energy1,6881,7341,0221,0010$71.53$4.19
Jan 2025XTO Energy2,0772,0171,5131,4830$75.74$4.13
Dec 2024XTO Energy1,7591,7651,2281,2010$70.12$3.01
Nov 2024XTO Energy1,8101,8011,3941,3750$69.95$2.12
Oct 2024XTO Energy1,6001,5328878710$71.99$2.20
Sep 2024XTO Energy8439004794650$70.24$2.28
Aug 2024XTO Energy1,7221,7261,3691,3510$76.68$1.99
Jul 2024XTO Energy1,4761,5209339150$81.80$2.07
Jun 2024XTO Energy1,6531,6128728530$79.77$2.54
May 2024XTO Energy1,8121,8221,2701,2490$80.02$2.12
Apr 2024XTO Energy1,8141,7981,3481,3250$85.35$1.60
Mar 2024XTO Energy1,8961,8941,6131,5880$81.28$1.49
Feb 2024XTO Energy1,7301,7151,1061,0840$77.25$1.72
Jan 2024XTO Energy1,3011,3291,2281,2080$74.15$3.18
Dec 2023XTO Energy1,7311,7281,3361,3190$71.90$2.52
Nov 2023XTO Energy1,7911,7931,6241,6020$77.69$2.71
Oct 2023XTO Energy1,7601,7881,5721,5510$85.64$2.98
Sep 2023XTO Energy1,6671,6241,4761,4560$89.43$2.64
Aug 2023XTO Energy1,7171,7101,4721,4540$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

OperatorHilcorp Energy CompanyFieldRussell, S. (San Andres)CountyGaines County

Hilcorp Energy Company in Gaines County

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Russell, S. (San Andres) field

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