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Texas oil lease

Producing

HARTFIELD, MILLIE

Hartfield, Millie is an oil lease in Guadalupe County, Texas, operated by Donoco Oil Company in the LA Vernia field.

2 wells

6bbl oil, last 12 months+20% vs prior year
Operator
Donoco Oil Company
County
Guadalupe County
Field
LA Vernia
RRC lease
01-00838

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Where it sits

This county

Guadalupe CountyGuadalupeWilsonComalGonzalesCaldwellBastropHaysBexarGuadalupe County
Guadalupe County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • 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.

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Production by month

Oil output rose 20% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 20% over the last 12 monthsMonthly oil production for HARTFIELD, MILLIE, Aug 2023 to Jul 2026. Oil output rose 20% over the last 12 months. 6 bbl in the 12 months through Jul 2026, against 5 bbl in the 12 months before.Last 12 months: 6 bblbbl per month00111Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 20% over the last 12 monthsMonthly oil production for HARTFIELD, MILLIE, Aug 2023 to Jul 2026. Oil output rose 20% over the last 12 months. 6 bbl in the 12 months through Jul 2026, against 5 bbl in the 12 months before.Last 12 monthsbbl per month00111Jan 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.

2 wells on this lease

Wells on HARTFIELD, MILLIE
API numberWell no.Status
42-187-800431Active
42-187-800442Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Troubadour Shipping & LogisticsOilGathers100Mar 1, 2026–
4J Energy, LLCOilGathers50Jun 1, 2025Mar 1, 2026
Midcon Gathering LLCOilGathers50Jun 1, 2025Mar 1, 2026
4J Energy, LLCOilGathers100May 1, 2023Jun 1, 2025
First River Energy, LLCOilGathers50Oct 1, 2016May 1, 2023
Ngl Crude Logistics, LLCOilGathers50Sep 1, 2014May 1, 2023

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

Who buys my oilOil price check

What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Hartfield, Millie
API numberWell no.Acreson the permit
42-187-800431–
42-187-800442–

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

Unit decimal checker

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36 months, newest first

Ledger for HARTFIELD, MILLIE
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 202600$80.46$2.89
Jun 202610$84.81$3.15
May 202600$102.13$2.94
Apr 202600$100.32$2.77
Mar 202610$91.38$3.04
Feb 202600$64.51$3.62
Jan 202610$60.04$7.72
Dec 202500$57.97$4.26
Nov 202510$60.06$3.79
Oct 202510$60.89$3.19
Sep 202500$63.96$2.97
Aug 202510$64.86$2.91
Jul 202500$68.39$3.20
Jun 202510$68.17$3.02
May 202500$62.17$3.12
Apr 202510$63.54$3.42
Mar 202500$68.24$4.12
Feb 202500$71.53$4.19
Jan 202510$75.74$4.13
Dec 202400$70.12$3.01
Nov 202410$69.95$2.12
Oct 202400$71.99$2.20
Sep 202410$70.24$2.28
Aug 202400$76.68$1.99
Jul 202410$81.80$2.07
Jun 202400$79.77$2.54
May 202410$80.02$2.12
Apr 202400$85.35$1.60
Mar 202410$81.28$1.49
Feb 202400$77.25$1.72
Jan 202410$74.15$3.18
Dec 202300$71.90$2.52
Nov 202310$77.69$2.71
Oct 202300$85.64$2.98
Sep 202310$89.43$2.64
Aug 202310$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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Nearby

This lease belongs to

OperatorDonoco Oil CompanyFieldLA VerniaCountyGuadalupe County

Donoco Oil Company in Guadalupe County

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LA Vernia field

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