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Texas oil lease

Producing

TEX-MEX RR CO. OIL UNIT "A"

Tex-Mex RR Co. Oil Unit "A" is an oil lease in Nueces County, Texas, operated by Wallis Energy, Inc. in the Corpus Christi Uptown (10500) field.

1 well

306bbl oil, last 12 months−6% vs prior year
RRC lease
04-12401

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Where it sits

This county

Nueces CountyNuecesAransasRefugioSan PatricioKlebergJim WellsLive OakNueces County
Nueces County
Oil in Jun 2026
25 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 3 months of state data (through Jul 2026).

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

See why checks stop on this lease

Production by month

Oil output fell 6% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 6% over the last 12 monthsMonthly oil production for TEX-MEX RR CO. OIL UNIT "A", Aug 2023 to Jul 2026. Oil output fell 6% over the last 12 months. 285 bbl in the 12 months through Jul 2026, against 303 bbl in the 12 months before.Last 12 months: 285 bblbbl per month01020304050Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 6% over the last 12 monthsMonthly oil production for TEX-MEX RR CO. OIL UNIT "A", Aug 2023 to Jul 2026. Oil output fell 6% over the last 12 months. 285 bbl in the 12 months through Jul 2026, against 303 bbl in the 12 months before.Last 12 monthsbbl per month01020304050Jan 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 TEX-MEX RR CO. OIL UNIT "A"
API numberWell no.Status
42-355-301012Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers50Feb 1, 2021–
Sunray Marketing, LLCOilGathers50Feb 1, 2021–
First River Energy, LLCOilGathers100Oct 1, 2016Feb 1, 2021

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

What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Tex-Mex RR Co. Oil Unit "A"
API numberWell no.Acreson the permit
42-355-301012–

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

Estimate your royalty

36 months, newest first

Ledger for TEX-MEX RR CO. OIL UNIT "A"
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed––$80.46$2.89
Jun 2026250$84.81$3.15
May 2026230$102.13$2.94
Apr 202632152$100.32$2.77
Mar 2026150$91.38$3.04
Feb 2026120$64.51$3.62
Jan 202642180$60.04$7.72
Dec 2025310$57.97$4.26
Nov 2025290$60.06$3.79
Oct 2025290$60.89$3.19
Sep 202521122$63.96$2.97
Aug 2025260$64.86$2.91
Jul 2025210$68.39$3.20
Jun 2025320$68.17$3.02
May 2025360$62.17$3.12
Apr 2025380$63.54$3.42
Mar 2025210$68.24$4.12
Feb 202529126$71.53$4.19
Jan 2025290$75.74$4.13
Dec 2024270$70.12$3.01
Nov 202410181$69.95$2.12
Oct 2024120$71.99$2.20
Sep 2024270$70.24$2.28
Aug 2024210$76.68$1.99
Jul 2024360$81.80$2.07
Jun 202429177$79.77$2.54
May 2024150$80.02$2.12
Apr 2024350$85.35$1.60
Mar 2024240$81.28$1.49
Feb 202434179$77.25$1.72
Jan 2024310$74.15$3.18
Dec 2023310$71.90$2.52
Nov 2023390$77.69$2.71
Oct 2023310$85.64$2.98
Sep 2023260$89.43$2.64
Aug 2023360$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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Nearby

Corpus Christi Uptown (10500) field

No other producing leases in this field are in our data yet.

Leases within 10 km

New drilling permits in Nueces County

Newest in the county: this lease has no coordinates.