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Texas oil lease

Producing

CALK, E. W.

Calk, E. W. is an oil lease in Bexar County, Texas, operated by Calk Operating, LLC in the Somerset field.

17 wells

595bbl oil, last 12 months+19% vs prior year
Operator
Calk Operating, LLC
County
Bexar County
Field
Somerset
RRC lease
01-10893

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Where it sits

This county

Bexar CountyBexarWilsonComalMedinaKendallHaysGuadalupeBanderaBexar County
Bexar County
Oil in Jul 2026
50 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 19% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 19% over the last 12 monthsMonthly oil production for CALK, E. W., Aug 2023 to Jul 2026. Oil output rose 19% over the last 12 months. 595 bbl in the 12 months through Jul 2026, against 499 bbl in the 12 months before.Last 12 months: 595 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 19% over the last 12 monthsMonthly oil production for CALK, E. W., Aug 2023 to Jul 2026. Oil output rose 19% over the last 12 months. 595 bbl in the 12 months through Jul 2026, against 499 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.

17 wells on this lease

Wells on CALK, E. W.
API numberWell no.Status
42-029-326917Active
42-029-327041Active
42-029-327052Active
42-029-327063Active
42-029-327074Active
42-029-327085Active
42-029-327096Active
42-029-328068Active
42-029-329539Active
42-029-3330611Active
42-029-3330710Active
42-029-3530714Active
42-029-3530817Active
42-029-3536316Active
42-029-3536413Active
42-029-3828515Active
42-029-3828612Active

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.OilGathers50Dec 1, 2023Nov 1, 2025
Shell Trading (Us) CompanyOilGathers50Jan 1, 2018Dec 1, 2023

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

Who buys my oilOil price check

77.78 acres on the newest permit

The wells on this lease state different acreage

The permits state between 77.78 and 83 acres.

17 wells are listed on this lease

Permits for Calk, E. W.
API numberWell no.Acreson the permit
42-029-382851577.78
42-029-382861277.78
42-029-353631683
42-029-353641383
42-029-353071483
42-029-353081783
42-029-333061183
42-029-333071083
42-029-32953983
42-029-32806883
42-029-32705283
42-029-32707483

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

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36 months, newest first

Ledger for CALK, E. W.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026500$80.46$2.89
Jun 202613153$84.81$3.15
May 2026600$102.13$2.94
Apr 2026400$100.32$2.77
Mar 2026200$91.38$3.04
Feb 2026157157$64.51$3.62
Jan 2026300$60.04$7.72
Dec 2025200$57.97$4.26
Nov 2025103143$60.06$3.79
Oct 2025200$60.89$3.19
Sep 202542142$63.96$2.97
Aug 2025400$64.86$2.91
Jul 2025400$68.39$3.20
Jun 2025400$68.17$3.02
May 202560160$62.17$3.12
Apr 2025200$63.54$3.42
Mar 2025400$68.24$4.12
Feb 2025400$71.53$4.19
Jan 2025140140$75.74$4.13
Dec 202419159$70.12$3.01
Nov 2024200$69.95$2.12
Oct 2024200$71.99$2.20
Sep 2024200$70.24$2.28
Aug 2024400$76.68$1.99
Jul 2024400$81.80$2.07
Jun 202460140$79.77$2.54
May 2024400$80.02$2.12
Apr 202420140$85.35$1.60
Mar 2024400$81.28$1.49
Feb 2024400$77.25$1.72
Jan 202413153$74.15$3.18
Dec 2023400$71.90$2.52
Nov 2023400$77.69$2.71
Oct 202334134$85.64$2.98
Sep 2023400$89.43$2.64
Aug 2023400$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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This lease belongs to

OperatorCalk Operating, LLCFieldSomersetCountyBexar County

Calk Operating, LLC in Bexar County

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Somerset field

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