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Texas oil lease

Producing

COULTER -B-

Coulter -B- is an oil lease in Milam County, Texas, operated by Speckle Trout Operating LLC in the Minerva-Rockdale field.

12 wells

571bbl oil, last 12 months+102% vs prior year
RRC lease
01-01182

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Where it sits

This county

Milam CountyMilamFallsBellWilliamsonBrazosBurlesonRobertsonMilam County
Milam County
Oil in May 2026
11 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 102% over the last 12 months

2 months were not reported.

  • Oil (bars)
  • Last 12 months
Oil output rose 102% over the last 12 monthsMonthly oil production for COULTER -B-, Aug 2023 to Jul 2026. Oil output rose 102% over the last 12 months. 571 bbl in the 12 months through Jul 2026, against 282 bbl in the 12 months before.Last 12 months: 571 bblbbl per month050100150200250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 102% over the last 12 monthsMonthly oil production for COULTER -B-, Aug 2023 to Jul 2026. Oil output rose 102% over the last 12 months. 571 bbl in the 12 months through Jul 2026, against 282 bbl in the 12 months before.Last 12 monthsbbl per month050100150200250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 2 times, most recently in Aug 2025

Operators of this lease over timeRed Oak Oil Company, LLC, Jan 2020 to Jun 2023; One World Operating, LLC, Jul 2023 to Jul 2025; Speckle Trout Operating LLC, Aug 2025 to May 20262020202120222023202420252026Changed Jul 2023Changed Aug 2025Red Oak Oil Company, LLCJan 2020 to Jun 2023One World Operating, LLCJul 2023 to Jul 2025Speckle Trout Operating LLCAug 2025 to now
Operators of this lease over timeRed Oak Oil Company, LLC, Jan 2020 to Jun 2023; One World Operating, LLC, Jul 2023 to Jul 2025; Speckle Trout Operating LLC, Aug 2025 to May 20262020202120222023202420252026Changed Jul 2023Changed Aug 2025Red Oak Oil Company, LLCJan 2020 to Jun 2023One World Operating, LLCJul 2023 to Jul 2025Speckle Trout Operating LLCAug 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

12 wells on this lease

Wells on COULTER -B-
API numberWell no.Status
42-331-31208C 1Active
42-331-342115AActive
42-331-342127AActive
42-331-342181AActive
42-331-344499Active
42-331-3445010Active
42-331-800061Active
42-331-800072Active
42-331-800083Active
42-331-800094Active
42-331-800127Active
42-331-805198Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Tank & Transport LLCOilGathers50Mar 1, 2026–
Energy Trans Crude Marketing LLCOilGathers50Mar 1, 2026–
Energy Trans Crude Marketing LLCOilGathers100Jul 1, 2023Mar 1, 2026
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100May 1, 2018Jul 1, 2023

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

82 acres on the newest permit

The wells on this lease state different acreage

The permits state between 75 and 82 acres.

14 wells are listed on this lease

Permits for Coulter -B-
API numberWell no.Acreson the permit
42-331-344501082
42-331-34449982
42-331-342181A82
42-331-342115A82
42-331-342127A82
42-331-31208C 175
42-331-800061–
42-331-800072–
42-331-800083–
42-331-800094–
42-331-800105–
42-331-800116–

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

Estimate your royalty

36 months, newest first

Ledger for COULTER -B-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report––$80.46$2.89
Jun 2026No report––$84.81$3.15
May 2026Speckle Trout110$102.13$2.94
Apr 2026Speckle Trout100$100.32$2.77
Mar 2026Speckle Trout1066$91.38$3.04
Feb 2026Speckle Trout210100$64.51$3.62
Jan 2026Speckle Trout160171$60.04$7.72
Dec 2025Speckle Trout80$57.97$4.26
Nov 2025Speckle Trout71179$60.06$3.79
Oct 2025Speckle Trout310$60.89$3.19
Sep 2025Speckle Trout300$63.96$2.97
Aug 2025Speckle Trout30147$64.86$2.91
Jul 2025One World00$68.39$3.20
Jun 2025One World00$68.17$3.02
May 2025One World00$62.17$3.12
Apr 2025One World00$63.54$3.42
Mar 2025One World00$68.24$4.12
Feb 2025One World00$71.53$4.19
Jan 2025One World420$75.74$4.13
Dec 2024One World600$70.12$3.01
Nov 2024One World00$69.95$2.12
Oct 2024One World38131$71.99$2.20
Sep 2024One World760$70.24$2.28
Aug 2024One World66191$76.68$1.99
Jul 2024One World820$81.80$2.07
Jun 2024One World510$79.77$2.54
May 2024One World36158$80.02$2.12
Apr 2024One World710$85.35$1.60
Mar 2024One World590$81.28$1.49
Feb 2024One World99178$77.25$1.72
Jan 2024One World330$74.15$3.18
Dec 2023One World510$71.90$2.52
Nov 2023One World360$77.69$2.71
Oct 2023One World41165$85.64$2.98
Sep 2023One World320$89.43$2.64
Aug 2023One World400$81.39$2.58

No report filed

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Speckle Trout Operating LLC in Milam County

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