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HERZOG 23

Herzog 23 is an oil lease in Glasscock County, Texas, operated by Oxyrock Operating, LLC in the Spraberry (Trend Area) field.

2 wells

893bbl oil, last 12 months−30% vs prior year
Operator
Oxyrock Operating, LLC
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-43105

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
5,408 mcf
Oil in Jul 2026
88 bbl

Production by month

Oil output fell 30% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for HERZOG 23, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 893 bbl in the 12 months through Jul 2026, against 1,270 bbl in the 12 months before.Last 12 months: 893 bblbbl per monthmcf per month0050200100400150600200800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for HERZOG 23, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 893 bbl in the 12 months through Jul 2026, against 1,270 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050200100400150600200800Jan 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 HERZOG 23 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 HERZOG 23 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 Aug 2024

Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to now
Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on HERZOG 23
API numberWell no.Status
42-173-347951Active
42-173-352932Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Buckhead Midstream, LLCOilGathers50Nov 1, 2022–
Sunoco Ptnrs. Mktg.&terminals LPOilGathers50Aug 1, 2024–
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Jul 1, 2021–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Jul 1, 2021–
Energy Transfer CompanyOilGathers50Mar 1, 2024Aug 1, 2024
Sunoco Ptnrs. Mktg.&terminals LPOilGathers50Jul 1, 2021Mar 1, 2024
Energy Trans Crude Marketing LLCOilGathers50Jul 1, 2021Nov 1, 2022
Targa Pipeline Mid-Continent LLCCasinghead gasGathers100Jun 1, 2020Jul 1, 2021
Targa Pipeline Mid-Continent LLCCasinghead gasBuys100Jun 1, 2020Jul 1, 2021
Mercuria Energy Trading, Inc.OilGathers50Jun 1, 2020Jul 1, 2021

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

Who buys my oilOil price check

162.20 acres on the newest permit

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Permits for Herzog 23
API numberWell no.Acreson the permit
42-173-352932162.20
42-173-347951162.20

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

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36 months, newest first

Ledger for HERZOG 23
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Oxyrock Operating,883764604600$80.46$2.89
Jun 2026Oxyrock Operating,9204424420$84.81$3.15
May 2026Oxyrock Operating,10304584580$102.13$2.94
Apr 2026Oxyrock Operating,9104414410$100.32$2.77
Mar 2026Oxyrock Operating,03774524520$91.38$3.04
Feb 2026Oxyrock Operating,2703383380$64.51$3.62
Jan 2026Oxyrock Operating,6954804800$60.04$7.72
Dec 2025Oxyrock Operating,10504954950$57.97$4.26
Nov 2025Oxyrock Operating,411744654650$60.06$3.79
Oct 2025Oxyrock Operating,104604600$60.89$3.19
Sep 2025Oxyrock Operating,16604504500$63.96$2.97
Aug 2025Oxyrock Operating,1101884674670$64.86$2.91
Jul 2025Oxyrock Operating,10515055050$68.39$3.20
Jun 2025Oxyrock Operating,10004904900$68.17$3.02
May 2025Oxyrock Operating,981784814810$62.17$3.12
Apr 2025Oxyrock Operating,10704824820$63.54$3.42
Mar 2025Oxyrock Operating,1193655035030$68.24$4.12
Feb 2025Oxyrock Operating,10304354350$71.53$4.19
Jan 2025Oxyrock Operating,10604664660$75.74$4.13
Dec 2024Oxyrock Operating,973514654650$70.12$3.01
Nov 2024Oxyrock Operating,10904534530$69.95$2.12
Oct 2024Oxyrock Operating,11004664660$71.99$2.20
Sep 2024Oxyrock Operating,1113593273270$70.24$2.28
Aug 2024Oxyrock Operating,10504664660$76.68$1.99
Jul 2024Crownquest Operating,11504744740$81.80$2.07
Jun 2024Crownquest Operating,1003594404400$79.77$2.54
May 2024Crownquest Operating,10504444440$80.02$2.12
Apr 2024Crownquest Operating,9404264260$85.35$1.60
Mar 2024Crownquest Operating,11124434430$81.28$1.49
Feb 2024Crownquest Operating,1183214174170$77.25$1.72
Jan 2024Crownquest Operating,13104374370$74.15$3.18
Dec 2023Crownquest Operating,12504564560$71.90$2.52
Nov 2023Crownquest Operating,1173584374370$77.69$2.71
Oct 2023Crownquest Operating,11404664660$85.64$2.98
Sep 2023Crownquest Operating,10514424420$89.43$2.64
Aug 2023Crownquest Operating,1023514754750$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

OperatorOxyrock Operating, LLCFieldSpraberry (Trend Area)CountyGlasscock County

Oxyrock Operating, LLC in Glasscock County

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Spraberry (Trend Area) field

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