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Texas oil lease

Producing

RABKE-MASPERO OIL UNIT

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

1 well

101bbl oil, last 12 months−6% vs prior year
Operator
Atlas Operating LLC
County
McMullen County
Field
San Miguel Creek (Wilcox Cons.)
RRC lease
01-14916

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Oil in Jul 2026
9 bbl
Reporting since
Feb 2022

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 6% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 6% over the last 12 monthsMonthly oil production for RABKE-MASPERO OIL UNIT, Aug 2023 to Jul 2026. Oil output fell 6% over the last 12 months. 101 bbl in the 12 months through Jul 2026, against 108 bbl in the 12 months before.Last 12 months: 101 bblbbl per month035810Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 6% over the last 12 monthsMonthly oil production for RABKE-MASPERO OIL UNIT, Aug 2023 to Jul 2026. Oil output fell 6% over the last 12 months. 101 bbl in the 12 months through Jul 2026, against 108 bbl in the 12 months before.Last 12 monthsbbl per month035810Jan 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.

1 well on this lease

Wells on RABKE-MASPERO OIL UNIT
API numberWell no.Status
42-311-340191Active

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.OilGathers100Apr 1, 2008Feb 1, 2026

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

Who buys my oilOil price check

40 acres on the newest permit

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Permits for Rabke-Maspero Oil Unit
API numberWell no.Acreson the permit
42-311-34019140

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for RABKE-MASPERO OIL UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 202690$80.46$2.89
Jun 202690$84.81$3.15
May 202690$102.13$2.94
Apr 202600$100.32$2.77
Mar 202690$91.38$3.04
Feb 202690$64.51$3.62
Jan 202690$60.04$7.72
Dec 202590$57.97$4.26
Nov 202590$60.06$3.79
Oct 2025100$60.89$3.19
Sep 202590$63.96$2.97
Aug 2025100$64.86$2.91
Jul 202590$68.39$3.20
Jun 2025100$68.17$3.02
May 202590$62.17$3.12
Apr 202590$63.54$3.42
Mar 202590$68.24$4.12
Feb 202590$71.53$4.19
Jan 202590$75.74$4.13
Dec 202490$70.12$3.01
Nov 202490$69.95$2.12
Oct 202490$71.99$2.20
Sep 202490$70.24$2.28
Aug 202480$76.68$1.99
Jul 202480$81.80$2.07
Jun 202480$79.77$2.54
May 202480$80.02$2.12
Apr 202480$85.35$1.60
Mar 202490$81.28$1.49
Feb 202470$77.25$1.72
Jan 202480$74.15$3.18
Dec 202380$71.90$2.52
Nov 202380$77.69$2.71
Oct 202380$85.64$2.98
Sep 202380$89.43$2.64
Aug 202380$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

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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