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HALFF-HALL 1U

Halff-Hall 1U is an oil lease in Reagan County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) R 40 Exc field.

1 well

10,606bbl oil, last 12 months+65% vs prior year
Operator
Pioneer Natural Res. USA, Inc.
County
Reagan County
Field
Spraberry (Trend Area) R 40 Exc
RRC lease
7C-20461

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Where it sits

This county

Reagan CountyReaganIrionSterlingUptonMidlandGlasscockReagan County
Reagan County
Gas, last 12 months
234,161 mcf
Oil in Jul 2026
1,263 bbl

Production by month

Oil output rose 65% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 65% over the last 12 monthsMonthly oil production and gas for HALFF-HALL 1U, Aug 2023 to Jul 2026. Oil output rose 65% over the last 12 months. 10,606 bbl in the 12 months through Jul 2026, against 6,414 bbl in the 12 months before.Last 12 months: 10,606 bblbbl per monthmcf per month001,00020k2,00040k3,00060k4,00080kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 65% over the last 12 monthsMonthly oil production and gas for HALFF-HALL 1U, Aug 2023 to Jul 2026. Oil output rose 65% over the last 12 months. 10,606 bbl in the 12 months through Jul 2026, against 6,414 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,00020k2,00040k3,00060k4,00080kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since May 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 25.5% of the gas in Apr 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since May 2024 the lease's gas goes to a processing plant instead of lease fuelShare of HALFF-HALL 1U gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 25.5% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%May 2024: fuel to plantFlared 25.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since May 2024 the lease's gas goes to a processing plant instead of lease fuelShare of HALFF-HALL 1U gas by disposition code each month, Aug 2023 to Jul 2026. Since May 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 25.5% of the gas in Apr 2024.Share of gas by disposition code0%50%100%May 24: fuel to plantFlared 25.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    95% · 223,517 mcf

  • Lease fuel (1)

    4.4% · 10,310 mcf

  • Flared (4)

    0.1% · 334 mcf

0.1% of the gas flared in the last 12 months. 2 months above 3%.

1 well on this lease

Wells on HALFF-HALL 1U
API numberWell no.Status
42-383-4038321HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Marketing, L.p.OilGathers50Jun 6, 2019
Plains Pipeline L.p.OilGathers50Jun 6, 2019
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Jun 6, 2019
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Jun 6, 2019

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

Who buys my oilOil price check

969.60 acres on the newest permit

An allocation well is on this lease

Permits for Halff-Hall 1U
API numberWell no.Acreson the permit
42-383-4038321H969.60

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

Unit decimal checker

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36 months, newest first

Ledger for HALFF-HALL 1U
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,2631,26821,94721,1660$80.46$2.89
Jun 20261,0521,04910,88510,4234$84.81$3.15
May 20261,1021,10217,44116,8120$102.13$2.94
Apr 20261,1041,09818,38217,057247$100.32$2.77
Mar 202662061827,06425,7150$91.38$3.04
Feb 202652752417,56116,50924$64.51$3.62
Jan 202640640813,46412,82659$60.04$7.72
Dec 202568969318,35717,5050$57.97$4.26
Nov 202594394417,10016,3180$60.06$3.79
Oct 20251,0011,00222,86522,0360$60.89$3.19
Sep 20251,1291,12225,06524,0930$63.96$2.97
Aug 202577077224,03023,0570$64.86$2.91
Jul 202586486924,54523,5265$68.39$3.20
Jun 20251,2621,25526,97425,6551$68.17$3.02
May 202569769228,63727,1650$62.17$3.12
Apr 202518418632,49230,6910$63.54$3.42
Mar 202536236057,11253,6870$68.24$4.12
Feb 2025616336,64234,6801$71.53$4.19
Jan 202549949849,45246,4980$75.74$4.13
Dec 202426326429,25026,875956$70.12$3.01
Nov 202445345233,36031,2220$69.95$2.12
Oct 202437937835,03932,86445$71.99$2.20
Sep 202426526944,03941,8780$70.24$2.28
Aug 20241,1251,12239,79737,6392$76.68$1.99
Jul 202448848927,16025,7310$81.80$2.07
Jun 202488989031,85030,2581$79.77$2.54
May 20247407453,3272,72212$80.02$2.12
Apr 20242522572947275$85.35$1.60
Mar 202460759532,93831,716116$81.28$1.49
Feb 202412713331,50830,5810$77.25$1.72
Jan 202458058322,68722,0404$74.15$3.18
Dec 202367468422,17521,5070$71.90$2.52
Nov 20231,4861,50128,01127,2100$77.69$2.71
Oct 20232,0262,02725,20224,46329$85.64$2.98
Sep 20232,5342,54533,11432,23921$89.43$2.64
Aug 20233,4433,44237,50636,5280$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

OperatorPioneer Natural Res. USA, Inc.FieldSpraberry (Trend Area) R 40 ExcCountyReagan County

Pioneer Natural Res. USA, Inc. in Reagan County

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Spraberry (Trend Area) R 40 Exc field

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