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Producing

WILLIAMS, MARY ISABELLA -A-

Williams, Mary Isabella -A- is an oil lease in Atascosa County, Texas, operated by Aaronmark Services, LLC in the Patty Hutt (Wilcox) field.

5 wells

505bbl oil, last 12 months−17% vs prior year
Operator
Aaronmark Services, LLC
County
Atascosa County
Field
Patty Hutt (Wilcox)
RRC lease
01-05664

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Where it sits

This county

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

Checks stopped on this lease?

  • Operator

    Operator changed: Aaronmark Services, LLC took over from WSM LLC in Jul 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Nov 26, 2025 (last P-5 filed Nov 15, 2024).

  • Sales

    No sales reported for the last 5 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 17% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 17% over the last 12 monthsMonthly oil production for WILLIAMS, MARY ISABELLA -A-, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 505 bbl in the 12 months through Jul 2026, against 611 bbl in the 12 months before.Last 12 months: 505 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 17% over the last 12 monthsMonthly oil production for WILLIAMS, MARY ISABELLA -A-, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 505 bbl in the 12 months through Jul 2026, against 611 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.

Who has run this lease

The operator changed 2 times, most recently in Jul 2025

Operators of this lease over timeWSM, Jan 2020 to Nov 2023; WSM LLC, Dec 2023 to Jun 2025; Aaronmark Services, LLC, Jul 2025 to Jul 20262020202120222023202420252026Changed Dec 2023Changed Jul 2025WSMJan 2020 to Nov 2023WSM LLCDec 2023 to Jun 2025Aaronmark Services, LLCJul 2025 to now
Operators of this lease over timeWSM, Jan 2020 to Nov 2023; WSM LLC, Dec 2023 to Jun 2025; Aaronmark Services, LLC, Jul 2025 to Jul 20262020202120222023202420252026Changed Dec 2023Changed Jul 2025WSMJan 2020 to Nov 2023WSM LLCDec 2023 to Jun 2025Aaronmark Services, LLCJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

5 wells on this lease

Wells on WILLIAMS, MARY ISABELLA -A-
API numberWell no.Status
42-013-308922 AActive
42-013-309153 AActive
42-013-309324AActive
42-013-309355AShut-in
42-013-343586Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Jun 17, 2019–
Enterprise Crude Oil LLCOilGathers100Jan 1, 2016Jun 17, 2019

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

Who buys my oilOil price check

474 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 474 and 493 acres. Use the acres from your own division order for the well you are paid on.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Williams, Mary Isabella -A-
API numberWell no.Acreson the permit
42-013-343586474
42-013-309355A493
42-013-309324A493
42-013-309153 A493
42-013-308922 A493

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

Unit decimal checker

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36 months, newest first

Ledger for WILLIAMS, MARY ISABELLA -A-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Aaronmark Services,00$80.46$2.89
Jun 2026Aaronmark Services,00$84.81$3.15
May 2026Aaronmark Services,140$102.13$2.94
Apr 2026Aaronmark Services,420$100.32$2.77
Mar 2026Aaronmark Services,350$91.38$3.04
Feb 2026Aaronmark Services,75167$64.51$3.62
Jan 2026Aaronmark Services,850$60.04$7.72
Dec 2025Aaronmark Services,40159$57.97$4.26
Nov 2025Aaronmark Services,490$60.06$3.79
Oct 2025Aaronmark Services,670$60.89$3.19
Sep 2025Aaronmark Services,48160$63.96$2.97
Aug 2025Aaronmark Services,500$64.86$2.91
Jul 2025Aaronmark Services,500$68.39$3.20
Jun 2025WSM LLC20163$68.17$3.02
May 2025WSM LLC00$62.17$3.12
Apr 2025WSM LLC00$63.54$3.42
Mar 2025WSM LLC00$68.24$4.12
Feb 2025WSM LLC00$71.53$4.19
Jan 2025WSM LLC600$75.74$4.13
Dec 2024WSM LLC1010$70.12$3.01
Nov 2024WSM LLC152163$69.95$2.12
Oct 2024WSM LLC132167$71.99$2.20
Sep 2024WSM LLC450$70.24$2.28
Aug 2024WSM LLC51159$76.68$1.99
Jul 2024WSM LLC300$81.80$2.07
Jun 2024WSM LLC200$79.77$2.54
May 2024WSM LLC62135$80.02$2.12
Apr 2024WSM LLC220$85.35$1.60
Mar 2024WSM LLC00$81.28$1.49
Feb 2024WSM LLC400$77.25$1.72
Jan 2024WSM LLC220$74.15$3.18
Dec 2023WSM LLC470$71.90$2.52
Nov 2023WSM120$77.69$2.71
Oct 2023WSM78149$85.64$2.98
Sep 2023WSM110146$89.43$2.64
Aug 2023WSM00$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

OperatorAaronmark Services, LLCFieldPatty Hutt (Wilcox)CountyAtascosa County

Aaronmark Services, LLC in Atascosa County

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Patty Hutt (Wilcox) field

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