Skip to content
Royalty Clerk

Texas oil lease

Producing

AGUILAR, CIRILDO

Aguilar, Cirildo is an oil lease in Bexar County, Texas, operated by Calk, Roger D. in the Fairfield field.

7 wells

126bbl oil, last 12 months−59% vs prior year
Operator
Calk, Roger D.
County
Bexar County
Field
Fairfield
RRC lease
01-07670

Is your check right?

Check my statement

Where it sits

This county

Bexar CountyBexarWilsonComalMedinaKendallHaysGuadalupeBanderaBexar County
Bexar County
Oil in Jun 2026
20 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 4 months of state data (through Jul 2026).

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 59% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 59% over the last 12 monthsMonthly oil production for AGUILAR, CIRILDO, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 116 bbl in the 12 months through Jul 2026, against 285 bbl in the 12 months before.Last 12 months: 116 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 59% over the last 12 monthsMonthly oil production for AGUILAR, CIRILDO, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 116 bbl in the 12 months through Jul 2026, against 285 bbl in the 12 months before.Last 12 monthsbbl per month020406080Jan 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.

7 wells on this lease

Wells on AGUILAR, CIRILDO
API numberWell no.Status
42-029-316441Shut-in
42-029-317437Shut-in
42-029-317443Shut-in
42-029-317642Shut-in
42-029-317656Shut-in
42-029-317805Shut-in
42-029-317814Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Dorado Oil CompanyOilGathers34Nov 1, 2025–
Gulfmark Energy, Inc.OilGathers33Nov 1, 2025–
Plains Marketing, L.p.OilGathers33Nov 1, 2025–
Gulfmark Energy, Inc.OilGathers50Jan 1, 2018Nov 1, 2025
Plains Marketing, L.p.OilGathers50Nov 1, 2023Nov 1, 2025
Shell Trading (Us) CompanyOilGathers50Oct 1, 2002Nov 1, 2023

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

Who buys my oilOil price check

21 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 21 and 22 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    7 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Aguilar, Cirildo
API numberWell no.Acreson the permit
42-029-31764221
42-029-31765621
42-029-31780521
42-029-31781421
42-029-31743721
42-029-31744321
42-029-31644122

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for AGUILAR, CIRILDO
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed––$80.46$2.89
Jun 2026200$84.81$3.15
May 2026200$102.13$2.94
Apr 2026200$100.32$2.77
Mar 202621146$91.38$3.04
Feb 202650$64.51$3.62
Jan 202650$60.04$7.72
Dec 202550$57.97$4.26
Nov 202550$60.06$3.79
Oct 202550$60.89$3.19
Sep 202550$63.96$2.97
Aug 202550$64.86$2.91
Jul 2025100$68.39$3.20
Jun 2025200$68.17$3.02
May 2025200$62.17$3.12
Apr 2025200$63.54$3.42
Mar 2025200$68.24$4.12
Feb 202580150$71.53$4.19
Jan 2025200$75.74$4.13
Dec 2024100$70.12$3.01
Nov 2024100$69.95$2.12
Oct 2024100$71.99$2.20
Sep 2024200$70.24$2.28
Aug 202445145$76.68$1.99
Jul 2024100$81.80$2.07
Jun 2024100$79.77$2.54
May 2024200$80.02$2.12
Apr 2024200$85.35$1.60
Mar 2024200$81.28$1.49
Feb 2024200$77.25$1.72
Jan 202430150$74.15$3.18
Dec 2023100$71.90$2.52
Nov 2023100$77.69$2.71
Oct 2023200$85.64$2.98
Sep 2023200$89.43$2.64
Aug 2023200$81.39$2.58

No report filed

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorCalk, Roger D.FieldFairfieldCountyBexar County

Calk, Roger D. in Bexar County

All Calk, Roger D. leases →

Fairfield field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km