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Texas oil lease

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DELAO, OPHELIA

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

5 wells

246bbl oil, last 12 months−10% vs prior year
Operator
Calk, Roger D.
County
Bexar County
Field
Fairfield
RRC lease
01-07669

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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 3 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 10% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 10% over the last 12 monthsMonthly oil production for DELAO, OPHELIA, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 226 bbl in the 12 months through Jul 2026, against 250 bbl in the 12 months before.Last 12 months: 226 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 10% over the last 12 monthsMonthly oil production for DELAO, OPHELIA, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 226 bbl in the 12 months through Jul 2026, against 250 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.

5 wells on this lease

Wells on DELAO, OPHELIA
API numberWell no.Status
42-029-318541Shut-in
42-029-318875Shut-in
42-029-318882Shut-in
42-029-318904Shut-in
42-029-318993Shut-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

14 acres on the newest permit

Check your decimal on this lease
Permits for Delao, Ophelia
API numberWell no.Acreson the permit
42-029-31887514
42-029-31888214
42-029-31890414
42-029-31854114
42-029-31899314

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

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36 months, newest first

Ledger for DELAO, OPHELIA
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 202638158$100.32$2.77
Mar 2026400$91.38$3.04
Feb 2026200$64.51$3.62
Jan 2026100$60.04$7.72
Dec 2025100$57.97$4.26
Nov 2025200$60.06$3.79
Oct 20258148$60.89$3.19
Sep 2025200$63.96$2.97
Aug 2025200$64.86$2.91
Jul 2025200$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 2025200$71.53$4.19
Jan 202560150$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 2024200$76.68$1.99
Jul 2024200$81.80$2.07
Jun 202460150$79.77$2.54
May 2024200$80.02$2.12
Apr 2024100$85.35$1.60
Mar 2024100$81.28$1.49
Feb 2024100$77.25$1.72
Jan 202450$74.15$3.18
Dec 202350$71.90$2.52
Nov 20235145$77.69$2.71
Oct 202350$85.64$2.98
Sep 202350$89.43$2.64
Aug 202350$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.

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Nearby

This lease belongs to

OperatorCalk, Roger D.FieldFairfieldCountyBexar County

Calk, Roger D. in Bexar County

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Fairfield field

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New drilling permits in Bexar County

Newest in the county: this lease has no coordinates.