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HALFF ESTATE "26"

Halff Estate "26" is an oil lease in Upton County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) field.

1 well

27bbl oil, last 12 months−91% vs prior year
RRC lease
7C-16281

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
384 mcf
Oil in Jul 2026
8 bbl

Production by month

Oil output fell 91% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 91% over the last 12 monthsMonthly oil production and gas for HALFF ESTATE "26", Aug 2023 to Jul 2026. Oil output fell 91% over the last 12 months. 27 bbl in the 12 months through Jul 2026, against 304 bbl in the 12 months before.Last 12 months: 27 bblbbl per monthmcf per month002520050400756001008001251,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 91% over the last 12 monthsMonthly oil production and gas for HALFF ESTATE "26", Aug 2023 to Jul 2026. Oil output fell 91% over the last 12 months. 27 bbl in the 12 months through Jul 2026, against 304 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002520050400756001008001251,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

  • Processing plant (3)
  • Lease fuel (1)
Since Apr 2026 the lease's gas goes to a processing plant instead of lease fuelShare of HALFF ESTATE "26" gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2026: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2026 the lease's gas goes to a processing plant instead of lease fuelShare of HALFF ESTATE "26" gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Apr 26: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    89% · 1,212 mcf

  • Processing plant (3)

    11% · 154 mcf

Who has run this lease

The operator changed once, most recently in Jun 2021

Operators of this lease over timeDe3 Operating LLC, Jan 2020 to May 2021; Pioneer Natural Res. USA, Inc., Jun 2021 to Jul 20262020202120222023202420252026Changed Jun 2021De3 Operating LLCJan 2020 to May 2021Pioneer Natural Res. USA, Inc.Jun 2021 to now
Operators of this lease over timeDe3 Operating LLC, Jan 2020 to May 2021; Pioneer Natural Res. USA, Inc., Jun 2021 to Jul 20262020202120222023202420252026Changed Jun 2021De3 Operating LLCJan 2020 to May 2021Pioneer Natural Res. USA, Inc.Jun 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on HALFF ESTATE "26"
API numberWell no.Status
42-461-353042Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Jan 1, 2022–
Et Gathering & Processing LLCCasinghead gasBuys100Jan 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Dec 1, 2024–
Etc South Permian Midstream LLCCasinghead gasBuys100Dec 1, 2024Jan 1, 2026
Wtg Gas Processing, L.p.Casinghead gasGathers100May 1, 2022Dec 1, 2024
Wtg Gas Processing, L.p.Casinghead gasBuys100May 1, 2022Dec 1, 2024
Wtg South Permian Midstream LLCCasinghead gasGathers100Jan 1, 2022May 1, 2022
Wtg South Permian Midstream LLCCasinghead gasBuys100Jan 1, 2022May 1, 2022
Wtg Gas Processing, L.p.Casinghead gasGathers100Aug 1, 2018Jan 1, 2022

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

160 acres on the newest permit

The wells on this lease state different acreage

The permits state between 160 and 192.86 acres.

Permits for Halff Estate "26"
API numberWell no.Acreson the permit
42-461-314231160
42-461-353042192.86

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for HALFF ESTATE "26"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Pioneer Natural81660$80.46$2.89
Jun 2026Pioneer Natural12012120$84.81$3.15
May 2026Pioneer Natural2218180$102.13$2.94
Apr 2026Pioneer Natural0024240$100.32$2.77
Mar 2026Pioneer Natural22287100$91.38$3.04
Feb 2026Pioneer Natural112640$64.51$3.62
Jan 2026Pioneer Natural0011110$60.04$7.72
Dec 2025Pioneer Natural10000$57.97$4.26
Nov 2025Pioneer Natural00000$60.06$3.79
Oct 2025Pioneer Natural00000$60.89$3.19
Sep 2025Pioneer Natural00000$63.96$2.97
Aug 2025Pioneer Natural10000$64.86$2.91
Jul 2025Pioneer Natural70220$68.39$3.20
Jun 2025Pioneer Natural00000$68.17$3.02
May 2025Pioneer Natural30217150$62.17$3.12
Apr 2025Pioneer Natural110217220$63.54$3.42
Mar 2025Pioneer Natural10202120$68.24$4.12
Feb 2025Pioneer Natural40344180$71.53$4.19
Jan 2025Pioneer Natural90236340$75.74$4.13
Dec 2024Pioneer Natural4403581560$70.12$3.01
Nov 2024Pioneer Natural7304252300$69.95$2.12
Oct 2024Pioneer Natural623734662840$71.99$2.20
Sep 2024Pioneer Natural480000$70.24$2.28
Aug 2024Pioneer Natural421550650$76.68$1.99
Jul 2024Pioneer Natural730602560$81.80$2.07
Jun 2024Pioneer Natural7806321040$79.77$2.54
May 2024Pioneer Natural1053617041580$80.02$2.12
Apr 2024Pioneer Natural2806431150$85.35$1.60
Mar 2024Pioneer Natural950584380$81.28$1.49
Feb 2024Pioneer Natural470459880$77.25$1.72
Jan 2024Pioneer Natural903661640$74.15$3.18
Dec 2023Pioneer Natural570411680$71.90$2.52
Nov 2023Pioneer Natural730484400$77.69$2.71
Oct 2023Pioneer Natural651835601010$85.64$2.98
Sep 2023Pioneer Natural5305701260$89.43$2.64
Aug 2023Pioneer Natural5205661070$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

Pioneer Natural Res. USA, Inc. in Upton County

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Spraberry (Trend Area) field

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