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Texas oil lease

Producing

RABKE-MASPERO UNIT

Rabke-Maspero Unit is an oil lease in McMullen County, Texas, operated by Atlas Operating LLC in the San Miguel Creek (Wilcox Cons.) field.

5 wells

7,306bbl oil, last 12 months+237% vs prior year
Operator
Atlas Operating LLC
County
McMullen County
Field
San Miguel Creek (Wilcox Cons.)
RRC lease
01-14770

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Where it sits

This county

McMullen CountyMcMullenLA SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Oil in Jul 2026
687 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 237% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 237% over the last 12 monthsMonthly oil production for RABKE-MASPERO UNIT, Aug 2023 to Jul 2026. Oil output rose 237% over the last 12 months. 7,306 bbl in the 12 months through Jul 2026, against 2,171 bbl in the 12 months before.Last 12 months: 7,306 bblbbl per month02505007501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 237% over the last 12 monthsMonthly oil production for RABKE-MASPERO UNIT, Aug 2023 to Jul 2026. Oil output rose 237% over the last 12 months. 7,306 bbl in the 12 months through Jul 2026, against 2,171 bbl in the 12 months before.Last 12 monthsbbl per month02505007501,000Jan 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 once, most recently in Apr 2021

Operators of this lease over timeEagle Oil & Gas Co., Jan 2020 to Mar 2021; Atlas Operating LLC, Apr 2021 to Jul 20262020202120222023202420252026Changed Apr 2021Eagle Oil & Gas Co.Jan 2020 to Mar 2021Atlas Operating LLCApr 2021 to now
Operators of this lease over timeEagle Oil & Gas Co., Jan 2020 to Mar 2021; Atlas Operating LLC, Apr 2021 to Jul 20262020202120222023202420252026Changed Apr 2021Eagle Oil & Gas Co.Jan 2020 to Mar 2021Atlas Operating LLCApr 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

5 wells on this lease

Wells on RABKE-MASPERO UNIT
API numberWell no.Status
42-311-338931Active
42-311-339262Active
42-311-340465Active
42-311-340484Active
42-311-340496Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Feb 1, 2026–
Gulfmark Energy, Inc.OilGathers100May 1, 2006Feb 1, 2026

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

Who buys my oilOil price check

160 acres on the newest permit

Permits for Rabke-Maspero Unit
API numberWell no.Acreson the permit
42-311-340465160
42-311-340484160
42-311-340496160
42-311-339262160
42-311-338931160

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

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36 months, newest first

Ledger for RABKE-MASPERO UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Atlas Operating687761$80.46$2.89
Jun 2026Atlas Operating629633$84.81$3.15
May 2026Atlas Operating584501$102.13$2.94
Apr 2026Atlas Operating707805$100.32$2.77
Mar 2026Atlas Operating708979$91.38$3.04
Feb 2026Atlas Operating567328$64.51$3.62
Jan 2026Atlas Operating711718$60.04$7.72
Dec 2025Atlas Operating909685$57.97$4.26
Nov 2025Atlas Operating278347$60.06$3.79
Oct 2025Atlas Operating490$60.89$3.19
Sep 2025Atlas Operating678510$63.96$2.97
Aug 2025Atlas Operating799679$64.86$2.91
Jul 2025Atlas Operating128173$68.39$3.20
Jun 2025Atlas Operating110$68.17$3.02
May 2025Atlas Operating170$62.17$3.12
Apr 2025Atlas Operating290$63.54$3.42
Mar 2025Atlas Operating290$68.24$4.12
Feb 2025Atlas Operating25109$71.53$4.19
Jan 2025Atlas Operating250$75.74$4.13
Dec 2024Atlas Operating270$70.12$3.01
Nov 2024Atlas Operating244161$69.95$2.12
Oct 2024Atlas Operating504666$71.99$2.20
Sep 2024Atlas Operating541422$70.24$2.28
Aug 2024Atlas Operating591685$76.68$1.99
Jul 2024Atlas Operating660698$81.80$2.07
Jun 2024Atlas Operating525354$79.77$2.54
May 2024Atlas Operating736674$80.02$2.12
Apr 2024Atlas Operating473348$85.35$1.60
Mar 2024Atlas Operating509509$81.28$1.49
Feb 2024Atlas Operating416677$77.25$1.72
Jan 2024Atlas Operating525462$74.15$3.18
Dec 2023Atlas Operating644350$71.90$2.52
Nov 2023Atlas Operating413671$77.69$2.71
Oct 2023Atlas Operating3190$85.64$2.98
Sep 2023Atlas Operating277514$89.43$2.64
Aug 2023Atlas Operating308350$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

This lease belongs to

OperatorAtlas Operating LLCFieldSan Miguel Creek (Wilcox Cons.)CountyMcMullen County

Atlas Operating LLC in McMullen County

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San Miguel Creek (Wilcox Cons.) field

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