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Texas oil lease

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CALVIN, JR.

Calvin, JR. is an oil lease in Lee County, Texas, operated by Trivista Operating LLC in the Serbin (Taylor Sand) field.

1 well

54bbl oil, last 12 months−93% vs prior year
Operator
Trivista Operating LLC
County
Lee County
Field
Serbin (Taylor Sand)
RRC lease
03-19519

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Where it sits

This county

Lee CountyLeeWilliamsonBastropWashingtonBrazosBurlesonAustinMilamLee County
Lee County
Oil in Mar 2026
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 Sep 30, 2025).

  • Sales

    No sales reported for the last 12 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 93% over the last 12 months

4 months were not reported.

  • Oil (bars)
  • Last 12 months
Oil output fell 93% over the last 12 monthsMonthly oil production for CALVIN, JR., Aug 2023 to Jul 2026. Oil output fell 93% over the last 12 months. 10 bbl in the 12 months through Jul 2026, against 136 bbl in the 12 months before.Last 12 months: 10 bblbbl per month0510152025Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 93% over the last 12 monthsMonthly oil production for CALVIN, JR., Aug 2023 to Jul 2026. Oil output fell 93% over the last 12 months. 10 bbl in the 12 months through Jul 2026, against 136 bbl in the 12 months before.Last 12 monthsbbl per month0510152025Jan 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.

1 well on this lease

Wells on CALVIN, JR.
API numberWell no.Status
42-287-320051Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Apr 1, 2024–
Enterprise Crude Oil LLCOilGathers100Nov 1, 2021Apr 1, 2024
Gulfmark Energy, Inc.OilGathers100Dec 1, 2019Nov 1, 2021
Flint Hills Resources, LPOilGathers100Aug 1, 2019Dec 1, 2019
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Aug 1, 2019
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Aug 1, 2019
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Nov 15, 2017Aug 1, 2019

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

Who buys my oilOil price check

70.05 acres on the newest permit

Check your decimal on this lease
Permits for Calvin, JR.
API numberWell no.Acreson the permit
42-287-32005170.05

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for CALVIN, JR.
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed––$80.46$2.89
Jun 2026No report filed––$84.81$3.15
May 2026No report filed––$102.13$2.94
Apr 2026No report filed––$100.32$2.77
Mar 202600$91.38$3.04
Feb 202600$64.51$3.62
Jan 202600$60.04$7.72
Dec 202570$57.97$4.26
Nov 202500$60.06$3.79
Oct 202500$60.89$3.19
Sep 202530$63.96$2.97
Aug 202500$64.86$2.91
Jul 20251026$68.39$3.20
Jun 202550$68.17$3.02
May 2025170$62.17$3.12
Apr 2025120$63.54$3.42
Mar 20252356$68.24$4.12
Feb 2025210$71.53$4.19
Jan 20252016$75.74$4.13
Dec 202480$70.12$3.01
Nov 202400$69.95$2.12
Oct 2024100$71.99$2.20
Sep 202430$70.24$2.28
Aug 202470$76.68$1.99
Jul 202400$81.80$2.07
Jun 2024137$79.77$2.54
May 202450$80.02$2.12
Apr 202430$85.35$1.60
Mar 2024130$81.28$1.49
Feb 2024160$77.25$1.72
Jan 2024029$74.15$3.18
Dec 202380$71.90$2.52
Nov 202370$77.69$2.71
Oct 202380$85.64$2.98
Sep 202350$89.43$2.64
Aug 2023039$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

OperatorTrivista Operating LLCFieldSerbin (Taylor Sand)CountyLee County

Trivista Operating LLC in Lee County

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

Serbin (Taylor Sand) field

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