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Texas oil lease

Producing

CALVERLEY-MCDANIELS 26I

Calverley-McDaniels 26I is an oil lease in Glasscock County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) field.

1 well

177,866bbl oil, since Dec 2025
Operator
Pioneer Natural Res. USA, Inc.
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-64102

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, since Dec 2025
532,212 mcf
Oil in Jul 2026
16,028 bbl
First check

Production started December 2025; the first check is due by about April 30, 2026 (estimate).

When is my first royalty check due?

Production by month

Oil output fell 36% since Dec 2025

  • Oil (bars)
  • Gas (line)
Oil output fell 36% since Dec 2025Monthly oil production and gas for CALVERLEY-MCDANIELS 26I, Dec 2025 to Jul 2026. Oil output fell 36% since Dec 2025. Monthly average of 16,513 bbl in the latest 3 months, against 25,686 bbl in the first 3.bbl per monthmcf per month0010k25k20k50k30k75k40k100kOct 25Jan 26AprJul
Oil output fell 36% since Dec 2025Monthly oil production and gas for CALVERLEY-MCDANIELS 26I, Dec 2025 to Jul 2026. Oil output fell 36% since Dec 2025. Monthly average of 16,513 bbl in the latest 3 months, against 25,686 bbl in the first 3.bbl per monthmcf per month0010k25k20k50k30k75k40k100kJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the 8 months reported

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a processing plant in the 8 months reportedShare of CALVERLEY-MCDANIELS 26I gas by disposition code each month, Dec 2025 to Jul 2026. 98% of the gas went to a processing plant in the 8 months reported.Share of the lease’s gas by disposition code, per month0%50%100%Oct 25Jan 26AprJul
98% of the gas went to a processing plant in the 8 months reportedShare of CALVERLEY-MCDANIELS 26I gas by disposition code each month, Dec 2025 to Jul 2026. 98% of the gas went to a processing plant in the 8 months reported.Share of gas by disposition code0%50%100%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    98% · 521,229 mcf

  • Lease fuel (1)

    2.0% · 10,807 mcf

  • Flared (4)

    0.0% · 176 mcf

1 well on this lease

Wells on CALVERLEY-MCDANIELS 26I
API numberWell no.Status
42-173-39285309HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Medallion Operating Company, LLCOilGathers100Jun 6, 2025
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Jun 6, 2025
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Jun 6, 2025

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

Who buys my oilOil price check

1,286.71 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease
Permits for Calverley-McDaniels 26I
API numberWell no.Acreson the permit
42-173-39285309H1,286.71

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

Unit decimal checker

Estimate your royalty

8 months, newest first

Ledger for CALVERLEY-MCDANIELS 26I
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202616,02816,03077,81575,8910$80.46$2.89
Jun 202615,89715,89059,10457,8610$84.81$3.15
May 202617,61517,62163,59062,1113$102.13$2.94
Apr 202624,02124,03479,38477,6233$100.32$2.77
Mar 202627,24627,24691,67789,8460$91.38$3.04
Feb 202630,44830,44474,36673,2433$64.51$3.62
Jan 202632,40332,38750,46349,72118$60.04$7.72
Dec 202514,20814,17635,81334,933149$57.97$4.26

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

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Nearby

This lease belongs to

OperatorPioneer Natural Res. USA, Inc.FieldSpraberry (Trend Area)CountyGlasscock County

Pioneer Natural Res. USA, Inc. in Glasscock County

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Spraberry (Trend Area) field

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