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Texas oil lease

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SHACKELFORD

Shackelford is an oil lease in Frio County, Texas, operated by Formentera Operations LLC in the Briscoe Ranch (Eagleford) field.

1 well

3,739bbl oil, last 12 months−12% vs prior year
Operator
Formentera Operations LLC
County
Frio County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18814

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
506 mcf
Oil in Jul 2026
312 bbl

Production by month

Oil output fell 12% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for SHACKELFORD, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 3,739 bbl in the 12 months through Jul 2026, against 4,225 bbl in the 12 months before.Last 12 months: 3,739 bblbbl per monthmcf per month002002540050600758001001,000125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for SHACKELFORD, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 3,739 bbl in the 12 months through Jul 2026, against 4,225 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002540050600758001001,000125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to flaring in the last 12 months

Flaring peaked at 100.0% of the gas in Aug 2023.

All of the gas went to flaring in the last 12 monthsShare of SHACKELFORD gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to flaring in the last 12 monthsShare of SHACKELFORD gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to flaring in the last 12 months. Flaring peaked at 100.0% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

100.0% of the gas flared in the last 12 months. 36 months above 3%.

Who has run this lease

The operator changed once, most recently in Feb 2022

Operators of this lease over timeSN Operating, LLC, Jan 2020 to Jan 2022; Formentera Operations LLC, Feb 2022 to Jul 20262020202120222023202420252026Changed Feb 2022SN Operating, LLCJan 2020 to Jan 2022Formentera Operations LLCFeb 2022 to now
Operators of this lease over timeSN Operating, LLC, Jan 2020 to Jan 2022; Formentera Operations LLC, Feb 2022 to Jul 20262020202120222023202420252026Changed Feb 2022SN Operating, LLCJan 2020 to Jan 2022Formentera Operations LLCFeb 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on SHACKELFORD
API numberWell no.Status
42-163-339501HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Apr 1, 2025–
Harvest Marketing & Trading, LLCOilGathers100Aug 1, 2023Apr 1, 2025
Shell Trading (Us) CompanyOilGathers100Oct 1, 2022Aug 1, 2023
Eastex Crude CompanyOilGathers30Feb 17, 2022Oct 1, 2022
Enterprise Crude Oil LLCOilGathers30Feb 17, 2022Oct 1, 2022
Flint Hills Resources, LPOilGathers20Jul 1, 2017Oct 1, 2022
Ngl Crude Logistics, LLCOilGathers10Jul 1, 2017Oct 1, 2022

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

Who buys my oilOil price check

1,903.76 acres on the newest permit

Check your decimal on this lease
Permits for Shackelford
API numberWell no.Acreson the permit
42-163-339501H1,903.76

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

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36 months, newest first

Ledger for SHACKELFORD
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Formentera Operations31231834034$80.46$2.89
Jun 2026Formentera Operations27215438038$84.81$3.15
May 2026Formentera Operations20531938038$102.13$2.94
Apr 2026Formentera Operations30131052052$100.32$2.77
Mar 2026Formentera Operations32334844044$91.38$3.04
Feb 2026Formentera Operations37232750050$64.51$3.62
Jan 2026Formentera Operations17230923023$60.04$7.72
Dec 2025Formentera Operations35115341041$57.97$4.26
Nov 2025Formentera Operations35348447047$60.06$3.79
Oct 2025Formentera Operations39216058058$60.89$3.19
Sep 2025Formentera Operations31836030030$63.96$2.97
Aug 2025Formentera Operations36849951051$64.86$2.91
Jul 2025Formentera Operations36847259059$68.39$3.20
Jun 2025Formentera Operations33151263063$68.17$3.02
May 2025Formentera Operations388067067$62.17$3.12
Apr 2025Formentera Operations36430856056$63.54$3.42
Mar 2025Formentera Operations36534658058$68.24$4.12
Feb 2025Formentera Operations34536745045$71.53$4.19
Jan 2025Formentera Operations41952866066$75.74$4.13
Dec 2024Formentera Operations37737156056$70.12$3.01
Nov 2024Formentera Operations33718755055$69.95$2.12
Oct 2024Formentera Operations28735156056$71.99$2.20
Sep 2024Formentera Operations31336977077$70.24$2.28
Aug 2024Formentera Operations33136164064$76.68$1.99
Jul 2024Formentera Operations31017969069$81.80$2.07
Jun 2024Formentera Operations28153297097$79.77$2.54
May 2024Formentera Operations3723561080108$80.02$2.12
Apr 2024Formentera Operations41834814014$85.35$1.60
Mar 2024Formentera Operations43334411011$81.28$1.49
Feb 2024Formentera Operations40034710010$77.25$1.72
Jan 2024Formentera Operations38068111011$74.15$3.18
Dec 2023Formentera Operations49134911011$71.90$2.52
Nov 2023Formentera Operations41835910010$77.69$2.71
Oct 2023Formentera Operations48550411011$85.64$2.98
Sep 2023Formentera Operations51353310010$89.43$2.64
Aug 2023Formentera Operations40833511011$81.39$2.58

Flared above 3%

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

OperatorFormentera Operations LLCFieldBriscoe Ranch (Eagleford)CountyFrio County

Formentera Operations LLC in Frio County

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Briscoe Ranch (Eagleford) field

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