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Texas oil lease

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HALLEY, S. M.

Halley, S. M. is an oil lease in Winkler County, Texas, operated by Penwell South Operating LLC in the Halley field.

16 wells

5,192bbl oil, last 12 months+2% vs prior year
Operator
Penwell South Operating LLC
County
Winkler County
Field
Halley
RRC lease
08-21563

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Gas, last 12 months
342 mcf
Oil in Apr 2026
762 bbl

Production by month

Oil output held steady over the last 12 months

3 months were not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production and gas for HALLEY, S. M., Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 4,144 bbl in the 12 months through Jul 2026, against 4,065 bbl in the 12 months before.Last 12 months: 4,144 bblbbl per monthmcf per month00200100400200600300800400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production and gas for HALLEY, S. M., Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 4,144 bbl in the 12 months through Jul 2026, against 4,065 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00200100400200600300800400Jan 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 HALLEY, S. M. 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 HALLEY, S. M. 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 May 2025

Operators of this lease over timeBlack Arrow Operating, LLC, Jan 2020 to Apr 2025; Penwell South Operating LLC, May 2025 to Apr 20262020202120222023202420252026Changed May 2025Black Arrow Operating, LLCJan 2020 to Apr 2025Penwell South Operating LLCMay 2025 to now
Operators of this lease over timeBlack Arrow Operating, LLC, Jan 2020 to Apr 2025; Penwell South Operating LLC, May 2025 to Apr 20262020202120222023202420252026Changed May 2025Black Arrow Operating, LLCJan 2020 to Apr 2025Penwell South Operating LLCMay 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

16 wells on this lease

Wells on HALLEY, S. M.
API numberWell no.Status
42-495-008181Shut-in
42-495-008202WShut-in
42-495-008233Active
42-495-008244Shut-in
42-495-008255WShut-in
42-495-008266WShut-in
42-495-020417Active
42-495-020428WShut-in
42-495-020439Active
42-495-0204410WShut-in
42-495-0204511Active
42-495-0204612Active
42-495-0204713Active
42-495-0204816WActive
42-495-0599814WActive
42-495-0599915WActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Bml, Inc. BOilGathers50Aug 1, 2026–
Oasis Transp & Marketing Corp.OilGathers50Aug 1, 2026–
Energy Transfer CompanyCasinghead gasBuys100Nov 1, 2015–
Energy Transfer CompanyCasinghead gasGathers100Nov 1, 2015–
Oasis Transp & Marketing Corp.OilGathers100May 1, 2025Aug 1, 2026
Energy Transfer Marketing & TermOilGathers10Dec 1, 2022May 1, 2025
Oasis Transp & Marketing Corp.OilGathers90Dec 1, 2020May 1, 2025
Sunoco Ptnrs. Mktg.&terminals LPOilGathers10Dec 1, 2020Dec 1, 2022
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Nov 1, 2019Dec 1, 2020
Enlink Crude Marketing, LLCOilGathers50May 1, 2018Nov 1, 2019

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

Who buys my oilOil price check

What the drilling permits say

18 wells are listed on this lease

Permits for Halley, S. M.
API numberWell no.Acreson the permit
42-495-008181–
42-495-008202W–
42-495-008233–
42-495-008233W–
42-495-008244–
42-495-008255W–
42-495-008266W–
42-495-020417–
42-495-020428W–
42-495-020439–
42-495-0204410W–
42-495-0204511–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for HALLEY, S. M.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026No report–––––$84.81$3.15
May 2026No report–––––$102.13$2.94
Apr 2026Penwell South762813000$100.32$2.77
Mar 2026Penwell South570653000$91.38$3.04
Feb 2026Penwell South364275000$64.51$3.62
Jan 2026Penwell South411366000$60.04$7.72
Dec 2025Penwell South596614000$57.97$4.26
Nov 2025Penwell South423410000$60.06$3.79
Oct 2025Penwell South475542000$60.89$3.19
Sep 2025Penwell South356374000$63.96$2.97
Aug 2025Penwell South187139330$64.86$2.91
Jul 2025Penwell South36439020200$68.39$3.20
Jun 2025Penwell South39138764640$68.17$3.02
May 2025Penwell South2933092552550$62.17$3.12
Apr 2025Black Arrow2702062852850$63.54$3.42
Mar 2025Black Arrow3083033533530$68.24$4.12
Feb 2025Black Arrow3133901701700$71.53$4.19
Jan 2025Black Arrow37929870700$75.74$4.13
Dec 2024Black Arrow3764001981980$70.12$3.01
Nov 2024Black Arrow36640511110$69.95$2.12
Oct 2024Black Arrow338283000$71.99$2.20
Sep 2024Black Arrow387416000$70.24$2.28
Aug 2024Black Arrow280303990$76.68$1.99
Jul 2024Black Arrow33830034340$81.80$2.07
Jun 2024Black Arrow312310000$79.77$2.54
May 2024Black Arrow318301000$80.02$2.12
Apr 2024Black Arrow443487000$85.35$1.60
Mar 2024Black Arrow48148790900$81.28$1.49
Feb 2024Black Arrow32230191910$77.25$1.72
Jan 2024Black Arrow4424881071070$74.15$3.18
Dec 2023Black Arrow5405081351350$71.90$2.52
Nov 2023Black Arrow43040882820$77.69$2.71
Oct 2023Black Arrow46856620200$85.64$2.98
Sep 2023Black Arrow43536268680$89.43$2.64
Aug 2023Black Arrow4034741171170$81.39$2.58

No report filed

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

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Nearby

This lease belongs to

OperatorPenwell South Operating LLCFieldHalleyCountyWinkler County

Penwell South Operating LLC in Winkler County

No other producing leases from this operator in this county are in our data yet.

Halley field

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