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Texas oil lease

Producing

WELDER-GULLEY

Welder-Gulley is an oil lease in San Patricio County, Texas, operated by Sun Exploration, Inc. in the Oneil (5500) field.

1 well

159bbl oil, last 12 months−74% vs prior year
Operator
Sun Exploration, Inc.
County
San Patricio County
Field
Oneil (5500)
RRC lease
04-13985

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Where it sits

This county

San Patricio CountySan PatricioGoliadAransasRefugioNuecesBeeJim WellsLive OakSan Patricio County
San Patricio County
Gas, last 12 months
744 mcf
Oil in Jul 2026
12 bbl

Production by month

Oil output fell 74% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 74% over the last 12 monthsMonthly oil production and gas for WELDER-GULLEY, Aug 2023 to Jul 2026. Oil output fell 74% over the last 12 months. 159 bbl in the 12 months through Jul 2026, against 602 bbl in the 12 months before.Last 12 months: 159 bblbbl per monthmcf per month0050251005015075200100250125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 74% over the last 12 monthsMonthly oil production and gas for WELDER-GULLEY, Aug 2023 to Jul 2026. Oil output fell 74% over the last 12 months. 159 bbl in the 12 months through Jul 2026, against 602 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050251005015075200100250125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to lease fuel in the last 12 months

All of the gas went to lease fuel in the last 12 monthsShare of WELDER-GULLEY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to lease fuel in the last 12 monthsShare of WELDER-GULLEY gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on WELDER-GULLEY
API numberWell no.Status
42-409-330552Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Genesis Crude Oil, L.p.OilGathers100Apr 1, 2019–
Shell Trading (Us) CompanyOilGathers100Jan 22, 2016Apr 1, 2019

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

Who buys my oilOil price check

160 acres on the newest permit

Check your decimal on this lease
Permits for Welder-Gulley
API numberWell no.Acreson the permit
42-409-330552160

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

Unit decimal checker

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36 months, newest first

Ledger for WELDER-GULLEY
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026120000$80.46$2.89
Jun 202667172000$84.81$3.15
May 2026450000$102.13$2.94
Apr 2026280000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 20261012400$60.04$7.72
Dec 20251012400$57.97$4.26
Nov 20251012400$60.06$3.79
Oct 20251012400$60.89$3.19
Sep 20252012400$63.96$2.97
Aug 20251012400$64.86$2.91
Jul 20252012400$68.39$3.20
Jun 20251012400$68.17$3.02
May 202527012400$62.17$3.12
Apr 20256616812400$63.54$3.42
Mar 202524012400$68.24$4.12
Feb 20251012400$71.53$4.19
Jan 20251012400$75.74$4.13
Dec 20241012400$70.12$3.01
Nov 202487012400$69.95$2.12
Oct 202417317812400$71.99$2.20
Sep 202412218112400$70.24$2.28
Aug 20249717212400$76.68$1.99
Jul 202484012400$81.80$2.07
Jun 20245012400$79.77$2.54
May 20245218312400$80.02$2.12
Apr 202415318312400$85.35$1.60
Mar 2024176012400$81.28$1.49
Feb 202413419112400$77.25$1.72
Jan 202414018912400$74.15$3.18
Dec 202317516812400$71.90$2.52
Nov 202317719012400$77.69$2.71
Oct 202387012400$85.64$2.98
Sep 202317716212400$89.43$2.64
Aug 20233012400$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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This lease belongs to

OperatorSun Exploration, Inc.FieldOneil (5500)CountySan Patricio County

Sun Exploration, Inc. in San Patricio County

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Oneil (5500) field

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