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ILFREY & WILKERSON -B-

Ilfrey & Wilkerson -B- is an oil lease in Atascosa County, Texas, operated by Petrosaurus, Inc. in the Somerset field.

4 wells

111bbl oil, last 12 months−60% vs prior year
RRC lease
01-09212

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Oil in Mar 2022
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 Oct 26, 2020).

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

  • Wells

    All 4 wells on this lease are marked plugged.

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 60% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 60% over the last 12 monthsMonthly oil production for ILFREY & WILKERSON -B-, Jan 2020 to Mar 2022. Oil output fell 60% over the last 12 months. 111 bbl in the 12 months through Mar 2022, against 275 bbl in the 12 months before.Last 12 months: 111 bblbbl per month010203040Jan 20AprJulOctJan 21AprJulOctJan 22
Oil output fell 60% over the last 12 monthsMonthly oil production for ILFREY & WILKERSON -B-, Jan 2020 to Mar 2022. Oil output fell 60% over the last 12 months. 111 bbl in the 12 months through Mar 2022, against 275 bbl in the 12 months before.Last 12 monthsbbl per month010203040Jan 20JulJan 21JulJan 22

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 ILFREY & WILKERSON -B-
API numberWell no.Status
42-013-310284WActive
42-013-318177Active
42-013-318186Active
42-029-308485Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Petrosaurus, Inc.OilGathers100Sep 1, 2013

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

74 acres on the newest permit

  • Good to know

    All listed wells are plugged

    The RRC wellbore records mark all listed wells as plugged. These records do not show whether earlier royalties remain payable. Ask the payor about any unpaid months.

Check your decimal on this lease
Permits for Ilfrey & Wilkerson -B-
API numberWell no.Acreson the permit
42-013-31817774
42-013-31818674
42-013-310284W74
42-029-30848574

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

Estimate your royalty

27 months, newest first

Ledger for ILFREY & WILKERSON -B-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Mar 2022045$108.50$4.90
Feb 202200$91.64$4.69
Jan 202200$83.22$4.38
Dec 202100$71.71$3.76
Nov 202100$79.15$5.05
Oct 202100$81.48$5.51
Sep 202100$71.65$5.16
Aug 20212268$67.73$4.07
Jul 2021190$72.49$3.84
Jun 2021260$71.38$3.26
May 20212235$65.17$2.91
Apr 2021220$61.72$2.66
Mar 20212228$62.33$2.62
Feb 2021200$59.04$5.35
Jan 20212353$52.00$2.71
Dec 2020250$47.02$2.58
Nov 20202756$40.94$2.61
Oct 2020150$39.40$2.39
Sep 202028172$39.63$1.92
Aug 2020200$42.34$2.30
Jul 2020220$40.71$1.76
Jun 2020270$38.31$1.63
May 2020230$28.56$1.75
Apr 2020230$16.55$1.74
Mar 2020300$29.21$1.79
Feb 2020200$50.54$1.91
Jan 20202632$57.52$2.02

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

Petrosaurus, Inc. in Atascosa County

No other producing leases from this operator in this county are in our data yet.

Leases within 10 km

Drilling permits within 10 km