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Texas oil lease

Producing

LOSTAK, MARY (KIRBY)

Lostak, Mary (Kirby) is an oil lease in Liberty County, Texas, operated by Jay Management Company, LLC in the Esperson Dome field.

1 well

278bbl oil, last 12 months−28% vs prior year
Operator
Jay Management Company, LLC
County
Liberty County
Field
Esperson Dome
RRC lease
03-22361

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Where it sits

This county

Liberty CountyLibertySan JacintoChambersHardinJasperJeffersonMontgomeryTylerHarrisPolkLiberty County
Liberty County
Oil in Jul 2026
10 bbl
Reporting since
Jan 2020

Production by month

Oil output fell 28% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production for LOSTAK, MARY (KIRBY), Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 278 bbl in the 12 months through Jul 2026, against 388 bbl in the 12 months before.Last 12 months: 278 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production for LOSTAK, MARY (KIRBY), Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 278 bbl in the 12 months through Jul 2026, against 388 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.

1 well on this lease

Wells on LOSTAK, MARY (KIRBY)
API numberWell no.Status
42-291-040471Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Phillips 66 CompanyOilGathers100Apr 1, 2022–
Kinder Morgan Tejas Pipeline LLCCasinghead gasBuys100Oct 1, 2008–
Kinder Morgan Tejas Pipeline LLCCasinghead gasGathers100Nov 1, 2014–
Enterprise Crude Oil LLCOilGathers100Apr 1, 2016Apr 1, 2022

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 Lostak, Mary (Kirby)
API numberWell no.Acreson the permit
42-291-040471–

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

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36 months, newest first

Ledger for LOSTAK, MARY (KIRBY)
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 20261083$80.46$2.89
Jun 2026150$84.81$3.15
May 2026200$102.13$2.94
Apr 20262419$100.32$2.77
Mar 2026200$91.38$3.04
Feb 2026220$64.51$3.62
Jan 20262572$60.04$7.72
Dec 2025300$57.97$4.26
Nov 202524169$60.06$3.79
Oct 2025250$60.89$3.19
Sep 2025300$63.96$2.97
Aug 2025330$64.86$2.91
Jul 20253133$68.39$3.20
Jun 20253031$68.17$3.02
May 20252878$62.17$3.12
Apr 2025330$63.54$3.42
Mar 2025350$68.24$4.12
Feb 2025320$71.53$4.19
Jan 20252527$75.74$4.13
Dec 20245945$70.12$3.01
Nov 20244740$69.95$2.12
Oct 20244046$71.99$2.20
Sep 2024148$70.24$2.28
Aug 20241415$76.68$1.99
Jul 20241920$81.80$2.07
Jun 20243134$79.77$2.54
May 20243027$80.02$2.12
Apr 20243033$85.35$1.60
Mar 20243135$81.28$1.49
Feb 20242633$77.25$1.72
Jan 20242926$74.15$3.18
Dec 20234249$71.90$2.52
Nov 20234120$77.69$2.71
Oct 20234948$85.64$2.98
Sep 20234159$89.43$2.64
Aug 20234850$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

OperatorJay Management Company, LLCFieldEsperson DomeCountyLiberty County

Jay Management Company, LLC in Liberty County

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Esperson Dome field

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