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Texas oil lease

Producing

O'BRIEN - 21

O'Brien - 21 is an oil lease in Dawson County, Texas, operated by Eastland Oil Company, the in the Spraberry (Trend Area) field.

1 well

1,225bbl oil, last 12 months+3% vs prior year
RRC lease
08-40733

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Where it sits

This county

Dawson CountyDawsonGainesLynnGarzaAndrewsTerryBordenDawson County
Dawson County
Oil in Jul 2026
150 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 3% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 3% over the last 12 monthsMonthly oil production and gas for O'BRIEN - 21, Aug 2023 to Jul 2026. Oil output rose 3% over the last 12 months. 1,225 bbl in the 12 months through Jul 2026, against 1,187 bbl in the 12 months before.Last 12 months: 1,225 bblbbl per monthmcf per month00501010020150302004025050Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 3% over the last 12 monthsMonthly oil production and gas for O'BRIEN - 21, Aug 2023 to Jul 2026. Oil output rose 3% over the last 12 months. 1,225 bbl in the 12 months through Jul 2026, against 1,187 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501010020150302004025050Jan 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 7 months reported

All of the gas went to a processing plant in the 7 months reportedShare of O'BRIEN - 21 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the 7 months reported.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 7 months reportedShare of O'BRIEN - 21 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the 7 months reported.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on O'BRIEN - 21
API numberWell no.Status
42-115-333131RActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Dorado Oil CompanyOilGathers100Oct 31, 2022–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Oct 31, 2022
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Oct 31, 2022
Plains Marketing, L.p.OilGathers100Nov 29, 2010Oct 31, 2022

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

178.97 acres on the newest permit

Permits for O'Brien - 21
API numberWell no.Acreson the permit
42-115-333131R178.97

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

Estimate your royalty

36 months, newest first

Ledger for O'BRIEN - 21
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261500000$80.46$2.89
Jun 2026155174000$84.81$3.15
May 2026213172000$102.13$2.94
Apr 2026450000$100.32$2.77
Mar 2026330000$91.38$3.04
Feb 2026148178000$64.51$3.62
Jan 2026140171000$60.04$7.72
Dec 2025113183000$57.97$4.26
Nov 2025972000$60.06$3.79
Oct 2025111184000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 2025200000$64.86$2.91
Jul 202597175000$68.39$3.20
Jun 2025980000$68.17$3.02
May 202588172000$62.17$3.12
Apr 20251060000$63.54$3.42
Mar 2025106168000$68.24$4.12
Feb 2025840000$71.53$4.19
Jan 202598176000$75.74$4.13
Dec 20241030000$70.12$3.01
Nov 202497178000$69.95$2.12
Oct 2024116177000$71.99$2.20
Sep 2024960000$70.24$2.28
Aug 202498177000$76.68$1.99
Jul 202414536000$81.80$2.07
Jun 202410517813130$79.77$2.54
May 2024961990$80.02$2.12
Apr 202410818324240$85.35$1.60
Mar 202411318043430$81.28$1.49
Feb 202411619000$77.25$1.72
Jan 202480183550$74.15$3.18
Dec 2023130178000$71.90$2.52
Nov 20231230000$77.69$2.71
Oct 2023118193000$85.64$2.98
Sep 20231200550$89.43$2.64
Aug 202310619029290$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

Eastland Oil Company, the in Dawson County

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Spraberry (Trend Area) field

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