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Texas oil lease

Producing

O'BRIEN, J. M.

O'Brien, J. M. is an oil lease in Refugio County, Texas, operated by Dorchester Operating Company LLC in the Greta (4400) field.

8 wells

4,353bbl oil, last 12 months−17% vs prior year
Operator
Dorchester Operating Company LLC
County
Refugio County
Field
Greta (4400)
RRC lease
02-03981

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Where it sits

This county

Refugio CountyRefugioGoliadAransasCalhounKarnesSan PatricioVictoriaBeeJacksonRefugio County
Refugio County
Gas, last 12 months
1,786 mcf
Oil in Jul 2026
186 bbl

Production by month

Oil output fell 17% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for O'BRIEN, J. M., Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 4,353 bbl in the 12 months through Jul 2026, against 5,263 bbl in the 12 months before.Last 12 months: 4,353 bblbbl per monthmcf per month00200100400200600300800400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for O'BRIEN, J. M., Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 4,353 bbl in the 12 months through Jul 2026, against 5,263 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

Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line

  • Transmission line (2)
  • Lease fuel (1)
Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of O'BRIEN, J. M. gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2026: line to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of O'BRIEN, J. M. gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line.Share of gas by disposition code0%50%100%Apr 26: line to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    53% · 949 mcf

  • Transmission line (2)

    47% · 837 mcf

Who has run this lease

The operator changed once, most recently in Dec 2020

Operators of this lease over timeAcock/Anaqua Operating Co., LP, Jan 2020 to Nov 2020; Dorchester Operating Company LLC, Dec 2020 to Jul 20262020202120222023202420252026Changed Dec 2020Acock/Anaqua Operating Co., LPJan 2020 to Nov 2020Dorchester Operating Company…Dec 2020 to now
Operators of this lease over timeAcock/Anaqua Operating Co., LP, Jan 2020 to Nov 2020; Dorchester Operating Company LLC, Dec 2020 to Jul 20262020202120222023202420252026Changed Dec 2020Acock/Anaqua Operating Co., LPJan 2020 to Nov 2020Dorchester Operating Company LLCDec 2020 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

8 wells on this lease

Wells on O'BRIEN, J. M.
API numberWell no.Status
42-391-00832102Shut-in
42-391-0105041Active
42-391-30295309Active
42-391-30324107Shut-in
42-391-30392310Active
42-391-31278312Active
42-391-31863313Active
42-391-32512109Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Jan 1, 2011–
Gulf Coast Energy, Inc.Casinghead gasBuys100Nov 1, 2021–
Kinder Morgan Tejas Pipeline LLCCasinghead gasGathers100Jun 3, 2022–
Southcross Gulf Coast Trans. LTDCasinghead gasGathers100Dec 1, 2020Jun 3, 2022
Gulf Coast Energy, Inc.Casinghead gasBuys100Dec 1, 2020Nov 1, 2021
Acock/Anaqua Operating Co., LPCasinghead gasGathers100Nov 1, 2010Dec 1, 2020
Miller & Smith Gas Marketing INCCasinghead gasBuys100Nov 1, 2010Dec 1, 2020

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

Who buys my oilOil price check

100 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 100 and 150 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    20 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for O'Brien, J. M.
API numberWell no.Acreson the permit
42-391-31278312100
42-391-31278312A100
42-391-32512109150
42-391-31863313100
42-391-010272 T100
42-391-01027302100
42-391-01027302 T100
42-391-30209308100
42-391-30295309100
42-391-010261100
42-391-01026301100
42-391-00804303 T–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for O'BRIEN, J. M.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Dorchester Operating18626810300$80.46$2.89
Jun 2026Dorchester Operating6301800$84.81$3.15
May 2026Dorchester Operating42248111000$102.13$2.94
Apr 2026Dorchester Operating448476134160$100.32$2.77
Mar 2026Dorchester Operating4644872271190$91.38$3.04
Feb 2026Dorchester Operating4374812411390$64.51$3.62
Jan 2026Dorchester Operating4813262361370$60.04$7.72
Dec 2025Dorchester Operating4234841931120$57.97$4.26
Nov 2025Dorchester Operating254322112720$60.06$3.79
Oct 2025Dorchester Operating506485165900$60.89$3.19
Sep 2025Dorchester Operating16015989620$63.96$2.97
Aug 2025Dorchester Operating509483158900$64.86$2.91
Jul 2025Dorchester Operating503475168820$68.39$3.20
Jun 2025Dorchester Operating22416489310$68.17$3.02
May 2025Dorchester Operating423491176870$62.17$3.12
Apr 2025Dorchester Operating370320189970$63.54$3.42
Mar 2025Dorchester Operating509652212740$68.24$4.12
Feb 2025Dorchester Operating487485168320$71.53$4.19
Jan 2025Dorchester Operating409321221660$75.74$4.13
Dec 2024Dorchester Operating428478196550$70.12$3.01
Nov 2024Dorchester Operating481489269360$69.95$2.12
Oct 2024Dorchester Operating50348024900$71.99$2.20
Sep 2024Dorchester Operating509480218150$70.24$2.28
Aug 2024Dorchester Operating417486175200$76.68$1.99
Jul 2024Dorchester Operating516487292920$81.80$2.07
Jun 2024Dorchester Operating510483244590$79.77$2.54
May 2024Dorchester Operating535485310830$80.02$2.12
Apr 2024Dorchester Operating250317147480$85.35$1.60
Mar 2024Dorchester Operating276324192650$81.28$1.49
Feb 2024Dorchester Operating464326225920$77.25$1.72
Jan 2024Dorchester Operating209321133580$74.15$3.18
Dec 2023Dorchester Operating4914882131070$71.90$2.52
Nov 2023Dorchester Operating464486204800$77.69$2.71
Oct 2023Dorchester Operating476323223920$85.64$2.98
Sep 2023Dorchester Operating488645219920$89.43$2.64
Aug 2023Dorchester Operating392328207600$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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Nearby

This lease belongs to

OperatorDorchester Operating Company LLCFieldGreta (4400)CountyRefugio County

Dorchester Operating Company LLC in Refugio County

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Greta (4400) field

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