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Texas oil lease

No report in 6+ months

WELDER, J. F., HEIRS

Welder, J. F., Heirs is an oil lease in Duval County, Texas, operated by Chandler Oil & Gas, LLC in the Seven Sisters field.

6 wells

970bbl oil, last 12 months+999% vs prior year
Operator
Chandler Oil & Gas, LLC
County
Duval County
Field
Seven Sisters
RRC lease
04-03600

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County
Oil in Sep 2025
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • P-5

    The current operator's P-5 registration is listed as delinquent (last P-5 filed May 15, 2025).

  • 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 rose 12,025% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 12,025% over the last 12 monthsMonthly oil production for WELDER, J. F., HEIRS, Oct 2022 to Sep 2025. Oil output rose 12,025% over the last 12 months. 970 bbl in the 12 months through Sep 2025, against 8 bbl in the 12 months before.Last 12 months: 970 bblbbl per month0100200300400Oct 22Jan 23AprJulOctJan 24AprJulOctJan 25AprJul
Oil output rose 12,025% over the last 12 monthsMonthly oil production for WELDER, J. F., HEIRS, Oct 2022 to Sep 2025. Oil output rose 12,025% over the last 12 months. 970 bbl in the 12 months through Sep 2025, against 8 bbl in the 12 months before.Last 12 monthsbbl per month0100200300400Jan 23JulJan 24JulJan 25Jul

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 2024

Operators of this lease over timeL.t.d. Explorations Inc., Jan 2020 to Mar 2024; Chandler Oil & Gas, LLC, Apr 2024 to Sep 2025202020212022202320242025Changed Apr 2024L.t.d. Explorations Inc.Jan 2020 to Mar 2024Chandler Oil & Gas, LLCApr 2024 to now
Operators of this lease over timeL.t.d. Explorations Inc., Jan 2020 to Mar 2024; Chandler Oil & Gas, LLC, Apr 2024 to Sep 2025202020212022202320242025Changed Apr 2024L.t.d. Explorations Inc.Jan 2020 to Mar 2024Chandler Oil & Gas, LLCApr 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

6 wells on this lease

Wells on WELDER, J. F., HEIRS
API numberWell no.Status
42-131-020973Active
42-131-021635Shut-in
42-131-021646Active
42-131-021657Active
42-131-317374Shut-in
42-131-826471Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Genesis Crude Oil, L.p.OilGathers50Jun 18, 2013
Gulfmark Energy, Inc.OilGathers50Jun 18, 2013

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

Who buys my oilOil price check

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 Welder, J. F., Heirs
API numberWell no.Acreson the permit
42-131-020973–
42-131-021635–
42-131-021646–
42-131-021657–
42-131-317374–
42-131-826471–

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

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36 months, newest first

Ledger for WELDER, J. F., HEIRS
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Sep 2025Chandler Oil00$63.96$2.97
Aug 2025Chandler Oil00$64.86$2.91
Jul 2025Chandler Oil00$68.39$3.20
Jun 2025Chandler Oil00$68.17$3.02
May 2025Chandler Oil00$62.17$3.12
Apr 2025Chandler Oil0168$63.54$3.42
Mar 2025Chandler Oil300167$68.24$4.12
Feb 2025Chandler Oil300299$71.53$4.19
Jan 2025Chandler Oil170342$75.74$4.13
Dec 2024Chandler Oil2000$70.12$3.01
Nov 2024Chandler Oil00$69.95$2.12
Oct 2024Chandler Oil00$71.99$2.20
Sep 2024Chandler Oil00$70.24$2.28
Aug 2024Chandler Oil00$76.68$1.99
Jul 2024Chandler Oil00$81.80$2.07
Jun 2024Chandler Oil00$79.77$2.54
May 2024Chandler Oil00$80.02$2.12
Apr 2024Chandler Oil060$85.35$1.60
Mar 2024L.t.d. Explorations00$81.28$1.49
Feb 2024L.t.d. Explorations20$77.25$1.72
Jan 2024L.t.d. Explorations20$74.15$3.18
Dec 2023L.t.d. Explorations40$71.90$2.52
Nov 2023L.t.d. Explorations00$77.69$2.71
Oct 2023L.t.d. Explorations00$85.64$2.98
Sep 2023L.t.d. Explorations70$89.43$2.64
Aug 2023L.t.d. Explorations00$81.39$2.58
Jul 2023L.t.d. Explorations00$76.07$2.55
Jun 2023L.t.d. Explorations814$70.25$2.18
May 2023L.t.d. Explorations40$71.58$2.15
Apr 2023L.t.d. Explorations00$79.45$2.16
Mar 2023L.t.d. Explorations00$73.28$2.31
Feb 2023L.t.d. Explorations00$76.83$2.38
Jan 2023L.t.d. Explorations00$78.12$3.27
Dec 2022L.t.d. Explorations00$76.44$5.53
Nov 2022L.t.d. Explorations10$84.37$5.45
Oct 2022L.t.d. Explorations00$87.55$5.66

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

OperatorChandler Oil & Gas, LLCFieldSeven SistersCountyDuval County

Chandler Oil & Gas, LLC in Duval County

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Seven Sisters field

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