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Texas oil lease

Producing

GOSSETT-SHANNON

Gossett-Shannon is an oil lease in Atascosa County, Texas, operated by Mazco Energy LLC in the Pleasanton, E. (Escondido) field.

4 wells

915bbl oil, last 12 months−28% vs prior year
Operator
Mazco Energy LLC
County
Atascosa County
Field
Pleasanton, E. (Escondido)
RRC lease
01-14694

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Oil in Jul 2026
50 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 2 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 28% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production for GOSSETT-SHANNON, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 915 bbl in the 12 months through Jul 2026, against 1,263 bbl in the 12 months before.Last 12 months: 915 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production for GOSSETT-SHANNON, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 915 bbl in the 12 months through Jul 2026, against 1,263 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 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.

4 wells on this lease

Wells on GOSSETT-SHANNON
API numberWell no.Status
42-013-31690104Active
42-013-31691504Shut-in
42-013-31692505Active
42-013-32367506Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Apr 1, 2007

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

Who buys my oilOil price check

1,842 acres on the newest permit

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Permits for Gossett-Shannon
API numberWell no.Acreson the permit
42-013-323675061,842
42-013-316901041,842
42-013-316915041,842
42-013-316925051,842

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

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36 months, newest first

Ledger for GOSSETT-SHANNON
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026500$80.46$2.89
Jun 2026640$84.81$3.15
May 202689158$102.13$2.94
Apr 2026640$100.32$2.77
Mar 202699157$91.38$3.04
Feb 2026640$64.51$3.62
Jan 202697140$60.04$7.72
Dec 202583150$57.97$4.26
Nov 2025480$60.06$3.79
Oct 2025580$60.89$3.19
Sep 202592154$63.96$2.97
Aug 2025107151$64.86$2.91
Jul 2025115158$68.39$3.20
Jun 20251290$68.17$3.02
May 2025110160$62.17$3.12
Apr 2025129156$63.54$3.42
Mar 20251020$68.24$4.12
Feb 202554144$71.53$4.19
Jan 2025127159$75.74$4.13
Dec 20241010$70.12$3.01
Nov 2024102152$69.95$2.12
Oct 202474151$71.99$2.20
Sep 20241030$70.24$2.28
Aug 2024117150$76.68$1.99
Jul 2024112157$81.80$2.07
Jun 20241080$79.77$2.54
May 2024106148$80.02$2.12
Apr 2024130145$85.35$1.60
Mar 202476157$81.28$1.49
Feb 20241220$77.25$1.72
Jan 202447156$74.15$3.18
Dec 2023149162$71.90$2.52
Nov 20231370$77.69$2.71
Oct 2023410$85.64$2.98
Sep 20234153$89.43$2.64
Aug 2023760$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

OperatorMazco Energy LLCFieldPleasanton, E. (Escondido)CountyAtascosa County

Mazco Energy LLC in Atascosa County

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Pleasanton, E. (Escondido) field

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

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