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Texas oil lease

No report in 6+ months

HEFFELFINGER-SARTWELLE

Heffelfinger-Sartwelle is an oil lease in Matagorda County, Texas, operated by Langston Oil, LLC in the Tidehaven (Frio, Upper) field.

1 well

0bbl oil, last 12 months
Operator
Langston Oil, LLC
County
Matagorda County
Field
Tidehaven (Frio, Upper)
RRC lease
03-26972

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Where it sits

This county

Matagorda CountyMatagordaCalhounBrazoriaWhartonJacksonMatagorda County
Matagorda County
Oil in Mar 2024
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 Jul 6, 2023).

  • 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

No oil produced in the last 12 months

2 months were not reported.

  • Oil (bars)
  • Last 12 months
No oil produced in the last 12 monthsMonthly oil production for HEFFELFINGER-SARTWELLE, Apr 2021 to Mar 2024. No oil produced in the last 12 months. The last month with output was Nov 2021, at 4 bbl.Last 12 months: 0 bblbbl per month050100150200Apr 21JulOctJan 22AprJulOctJan 23AprJulOctJan 24
No oil produced in the last 12 monthsMonthly oil production for HEFFELFINGER-SARTWELLE, Apr 2021 to Mar 2024. No oil produced in the last 12 months. The last month with output was Nov 2021, at 4 bbl.Last 12 monthsbbl per month050100150200Jul 21Jan 22JulJan 23JulJan 24

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.

Who has run this lease

The operator changed once, most recently in May 2020

Operators of this lease over timeMidfield SWD, LLC, Jan 2020 to Apr 2020; Langston Oil, LLC, May 2020 to Mar 202420202021202220232024Changed May 2020Midfield SWD, LLCJan 2020 to Apr 2020Langston Oil, LLCMay 2020 to now
Operators of this lease over timeMidfield SWD, LLC, Jan 2020 to Apr 2020; Langston Oil, LLC, May 2020 to Mar 202420202021202220232024Changed May 2020Midfield SWD, LLCJan 2020 to Apr 2020Langston Oil, LLCMay 2020 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on HEFFELFINGER-SARTWELLE
API numberWell no.Status
42-321-323671Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Sep 1, 2019–
Enterprise Products Operating LLCCasinghead gasGathers100Mar 11, 2014Sep 1, 2019
Enterprise Products Operating LLCCasinghead gasBuys100Mar 11, 2014Sep 1, 2019
Enterprise Crude Oil LLCOilGathers25Nov 1, 2016Sep 1, 2019
Gulfmark Energy, Inc.OilGathers25Nov 1, 2016Sep 1, 2019
Shell Trading (Us) CompanyOilGathers25Nov 1, 2016Sep 1, 2019
Sunoco Ptnrs. Mktg.&terminals LPOilGathers25Nov 1, 2016Sep 1, 2019

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

Who buys my oilOil price check

80 acres on the newest permit

Check your decimal on this lease
Permits for Heffelfinger-Sartwelle
API numberWell no.Acreson the permit
42-321-32367180

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for HEFFELFINGER-SARTWELLE
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Mar 2024Langston Oil,00$81.28$1.49
Feb 2024Langston Oil,00$77.25$1.72
Jan 2024Langston Oil,00$74.15$3.18
Dec 2023Langston Oil,00$71.90$2.52
Nov 2023Langston Oil,00$77.69$2.71
Oct 2023Langston Oil,00$85.64$2.98
Sep 2023Langston Oil,00$89.43$2.64
Aug 2023Langston Oil,00$81.39$2.58
Jul 2023Langston Oil,00$76.07$2.55
Jun 2023Langston Oil,00$70.25$2.18
May 2023No report––$71.58$2.15
Apr 2023Langston Oil,00$79.45$2.16
Mar 2023Langston Oil,00$73.28$2.31
Feb 2023Langston Oil,00$76.83$2.38
Jan 2023Langston Oil,00$78.12$3.27
Dec 2022Langston Oil,00$76.44$5.53
Nov 2022Langston Oil,00$84.37$5.45
Oct 2022Langston Oil,00$87.55$5.66
Sep 2022Langston Oil,00$84.26$7.88
Aug 2022No report––$93.67$8.81
Jul 2022Langston Oil,00$101.62$7.28
Jun 2022Langston Oil,00$114.84$7.70
May 2022Langston Oil,00$109.55$8.14
Apr 2022Langston Oil,00$101.78$6.60
Mar 2022Langston Oil,00$108.50$4.90
Feb 2022Langston Oil,00$91.64$4.69
Jan 2022Langston Oil,00$83.22$4.38
Dec 2021Langston Oil,00$71.71$3.76
Nov 2021Langston Oil,40$79.15$5.05
Oct 2021Langston Oil,10$81.48$5.51
Sep 2021Langston Oil,20$71.65$5.16
Aug 2021Langston Oil,50$67.73$4.07
Jul 2021Langston Oil,150187$72.49$3.84
Jun 2021Langston Oil,90182$71.38$3.26
May 2021Langston Oil,00$65.17$2.91
Apr 2021Langston Oil,100$61.72$2.66

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

OperatorLangston Oil, LLCFieldTidehaven (Frio, Upper)CountyMatagorda County

Langston Oil, LLC in Matagorda County

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

Tidehaven (Frio, Upper) field

No other producing leases in this field are in our data yet.

Leases within 10 km

New drilling permits in Matagorda County

Newest in the county: this lease has no coordinates.