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Texas oil lease

Producing

MARSHALL-BLUM UNIT

Marshall-Blum Unit is an oil lease in Harris County, Texas, operated by WRD Operating LLC in the Dyersdale, N (Y-1) field.

1 well

4,755bbl oil, last 12 months+27% vs prior year
RRC lease
03-26330

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Where it sits

This county

Harris CountyHarrisLibertyMontgomeryWallerFort BendHarris County
Harris County
Gas, last 12 months
1,049 mcf
Oil in Jul 2026
388 bbl

Production by month

Oil output rose 27% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 27% over the last 12 monthsMonthly oil production and gas for MARSHALL-BLUM UNIT, Aug 2023 to Jul 2026. Oil output rose 27% over the last 12 months. 4,755 bbl in the 12 months through Jul 2026, against 3,744 bbl in the 12 months before.Last 12 months: 4,755 bblbbl per monthmcf per month00250505001007501501,000200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 27% over the last 12 monthsMonthly oil production and gas for MARSHALL-BLUM UNIT, Aug 2023 to Jul 2026. Oil output rose 27% over the last 12 months. 4,755 bbl in the 12 months through Jul 2026, against 3,744 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00250505001007501501,000200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of MARSHALL-BLUM UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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 transmission line in the last 12 monthsShare of MARSHALL-BLUM UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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 3 times, most recently in Oct 2022

Operators of this lease over timeWestern Energy Group, LLC, Jan 2020 to Sep 2020; Crisco Operating LLC, Oct 2020 to Dec 2021; Daf Operating, LLC, Jan 2022 to Sep 2022; WRD Operating LLC, Oct 2022 to Jul 20262020202120222023202420252026Changed Oct 2020Changed Jan 2022Changed Oct 2022Western Energy Group, LLCJan 2020 to Sep 2020Crisco Operating LLCOct 2020 to Dec 2021Daf Operating, LLCJan 2022 to Sep 2022WRD Operating LLCOct 2022 to now
Operators of this lease over timeWestern Energy Group, LLC, Jan 2020 to Sep 2020; Crisco Operating LLC, Oct 2020 to Dec 2021; Daf Operating, LLC, Jan 2022 to Sep 2022; WRD Operating LLC, Oct 2022 to Jul 20262020202120222023202420252026Changed Oct 2020Changed Jan 2022Changed Oct 2022Western Energy Group, LLCJan 2020 to Sep 2020Crisco Operating LLCOct 2020 to Dec 2021Daf Operating, LLCJan 2022 to Sep 2022WRD Operating LLCOct 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on MARSHALL-BLUM UNIT
API numberWell no.Status
42-201-305182Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer Marketing & TermOilGathers50Dec 1, 2022–
Enterprise Crude Oil LLCOilGathers50Jan 1, 2022–
Sunoco Ptnrs. Mktg.&terminals LPOilGathers50Jan 1, 2022Dec 1, 2022
Enterprise Crude Oil LLCOilGathers33.33Oct 1, 2020Jan 1, 2022
Lessley Services LLCOilGathers33.33Oct 1, 2020Jan 1, 2022
Sunoco Ptnrs. Mktg.&terminals LPOilGathers33.34Oct 1, 2020Jan 1, 2022
Enterprise Crude Oil LLCOilGathers50Jun 1, 2020Oct 1, 2020
Lessley Services LLCOilGathers50Jun 1, 2020Oct 1, 2020

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

50 acres on the newest permit

Permits for Marshall-Blum Unit
API numberWell no.Acreson the permit
42-201-30518250

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

Estimate your royalty

36 months, newest first

Ledger for MARSHALL-BLUM UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026WRD Operating38832960600$80.46$2.89
Jun 2026WRD Operating41249696960$84.81$3.15
May 2026WRD Operating36068680$102.13$2.94
Apr 2026WRD Operating31133093930$100.32$2.77
Mar 2026WRD Operating39933958580$91.38$3.04
Feb 2026WRD Operating5354981321320$64.51$3.62
Jan 2026WRD Operating31432791910$60.04$7.72
Dec 2025WRD Operating5935191321320$57.97$4.26
Nov 2025WRD Operating4604851261260$60.06$3.79
Oct 2025WRD Operating4085011211210$60.89$3.19
Sep 2025WRD Operating49351361610$63.96$2.97
Aug 2025WRD Operating40650811110$64.86$2.91
Jul 2025WRD Operating200174000$68.39$3.20
Jun 2025WRD Operating165179000$68.17$3.02
May 2025WRD Operating240165000$62.17$3.12
Apr 2025WRD Operating385329440$63.54$3.42
Mar 2025WRD Operating105165330$68.24$4.12
Feb 2025WRD Operating333348000$71.53$4.19
Jan 2025WRD Operating391356000$75.74$4.13
Dec 2024WRD Operating380347000$70.12$3.01
Nov 2024WRD Operating364343000$69.95$2.12
Oct 2024WRD Operating382518000$71.99$2.20
Sep 2024WRD Operating361348000$70.24$2.28
Aug 2024WRD Operating438508000$76.68$1.99
Jul 2024WRD Operating422355000$81.80$2.07
Jun 2024WRD Operating444543000$79.77$2.54
May 2024WRD Operating328175000$80.02$2.12
Apr 2024WRD Operating37367000$85.35$1.60
Mar 2024WRD Operating1230000$81.28$1.49
Feb 2024WRD Operating1290000$77.25$1.72
Jan 2024WRD Operating00000$74.15$3.18
Dec 2023WRD Operating338359000$71.90$2.52
Nov 2023WRD Operating811893000$77.69$2.71
Oct 2023WRD Operating708715000$85.64$2.98
Sep 2023WRD Operating1060000$89.43$2.64
Aug 2023WRD Operating708685000$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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