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TAG UNIT

Tag Unit is an oil lease in McMullen County, Texas, operated by Javelin Energy Partners Mgmt LLC in the Eagleville (Eagle Ford-1) field.

3 wells

2,495bbl oil, last 12 months−50% vs prior year
Operator
Javelin Energy Partners Mgmt LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15719

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
5,169 mcf
Oil in Jul 2026
551 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Javelin Energy Partners Mgmt LLC took over from Ridgemar Energy Operating, LLC in Feb 2025.

  • P-5

    The previous operator's P-5 registration is listed as delinquent (last P-5 filed Jun 3, 2025).

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 50% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 50% over the last 12 monthsMonthly oil production and gas for TAG UNIT, Aug 2023 to Jul 2026. Oil output fell 50% over the last 12 months. 2,495 bbl in the 12 months through Jul 2026, against 5,030 bbl in the 12 months before.Last 12 months: 2,495 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 50% over the last 12 monthsMonthly oil production and gas for TAG UNIT, Aug 2023 to Jul 2026. Oil output fell 50% over the last 12 months. 2,495 bbl in the 12 months through Jul 2026, against 5,030 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

99% of the gas went to a transmission line in the last 12 months

Flaring peaked at 11.0% of the gas in Apr 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
99% of the gas went to a transmission line in the last 12 monthsShare of TAG UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 11.0% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 11.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
99% of the gas went to a transmission line in the last 12 monthsShare of TAG UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 11.0% of the gas in Apr 2024.Share of gas by disposition code0%50%100%Flared 11.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    99% · 5,099 mcf

  • Flared (4)

    1.4% · 70 mcf

1.4% of the gas flared in the last 12 months. 8 months above 3%.

Who has run this lease

The operator changed 3 times, most recently in Feb 2025

Operators of this lease over timeCarrizo (Eagle Ford) LLC, Jan 2020 to Jan 2020; Callon (Eagle Ford) LLC, Feb 2020 to Jun 2023; Ridgemar Energy Operating, LLC, Jul 2023 to Jan 2025; Javelin Energy Partners Mgmt LLC, Feb 2025 to Jul 20262020202120222023202420252026Changed Feb 2020Changed Jul 2023Changed Feb 2025Carrizo (Eagle Ford) LLCJan 2020 to Jan 2020Callon (Eagle Ford) LLCFeb 2020 to Jun 2023Ridgemar Energy Operating, LLCJul 2023 to Jan 2025Javelin Energy Partners Mgmt…Feb 2025 to now
Operators of this lease over timeCarrizo (Eagle Ford) LLC, Jan 2020 to Jan 2020; Callon (Eagle Ford) LLC, Feb 2020 to Jun 2023; Ridgemar Energy Operating, LLC, Jul 2023 to Jan 2025; Javelin Energy Partners Mgmt LLC, Feb 2025 to Jul 20262020202120222023202420252026Changed Feb 2020Changed Jul 2023Changed Feb 2025Carrizo (Eagle Ford) LLCJan 2020 to Jan 2020Callon (Eagle Ford) LLCFeb 2020 to Jun 2023Ridgemar Energy Operating, LLCJul 2023 to Jan 2025Javelin Energy Partners Mgmt LLCFeb 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on TAG UNIT
API numberWell no.Status
42-311-3465510HActive
42-311-3465611HActive
42-311-3465712HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Shell Trading (Us) CompanyOilGathers100Mar 1, 2025–
Upstream Energy ServicesCasinghead gasBuys100Jan 1, 2023–
Silverbow Resources Oper, LLCCasinghead gasGathers100Mar 1, 2025–
Frio Lasalle Pipeline, LPCasinghead gasGathers100Jun 1, 2018Mar 1, 2025
Eastex Crude Company, LLCOilGathers10Jan 1, 2023Mar 1, 2025
Formula Midstream Partners LLCOilGathers90Jan 1, 2023Mar 1, 2025
Upstream Energy ServicesCasinghead gasBuys100Jun 1, 2018Jan 1, 2023
Eastex Crude CompanyOilGathers10Jun 1, 2018Jan 1, 2023
Formula Midstream Partners LLCOilGathers85Nov 15, 2016Jan 1, 2023

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

Who buys my oilOil price check

550.80 acres on the newest permit

Check your decimal on this lease
Permits for Tag Unit
API numberWell no.Acreson the permit
42-311-3465510H550.80
42-311-3465611H550.80
42-311-3465712H550.80

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

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36 months, newest first

Ledger for TAG UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy5515395585544$80.46$2.89
Jun 2026Javelin Energy3643493753732$84.81$3.15
May 2026Javelin Energy1982275865797$102.13$2.94
Apr 2026Javelin Energy43141554052317$100.32$2.77
Mar 2026Javelin Energy24922454852325$91.38$3.04
Feb 2026Javelin Energy40621741740$64.51$3.62
Jan 2026Javelin Energy2652503883835$60.04$7.72
Dec 2025Javelin Energy1181174104019$57.97$4.26
Nov 2025Javelin Energy1201371,0591,0590$60.06$3.79
Oct 2025Javelin Energy122964294281$60.89$3.19
Sep 2025Javelin Energy361011010$63.96$2.97
Aug 2025Javelin Energy3435110$64.86$2.91
Jul 2025Javelin Energy3848110$68.39$3.20
Jun 2025Javelin Energy1421603113092$68.17$3.02
May 2025Javelin Energy39239367463242$62.17$3.12
Apr 2025Javelin Energy4284331,0681,0608$63.54$3.42
Mar 2025Javelin Energy5645791,1901,1480$68.24$4.12
Feb 2025Javelin Energy6175891,2231,1860$71.53$4.19
Jan 2025Ridgemar Energy3363641,8281,7860$75.74$4.13
Dec 2024Ridgemar Energy8107727887691$70.12$3.01
Nov 2024Ridgemar Energy5475468197980$69.95$2.12
Oct 2024Ridgemar Energy3103061,1461,1132$71.99$2.20
Sep 2024Ridgemar Energy2122234734567$70.24$2.28
Aug 2024Ridgemar Energy6346321,2541,2265$76.68$1.99
Jul 2024Ridgemar Energy1,2081,2091,7541,585136$81.80$2.07
Jun 2024Ridgemar Energy72671472764964$79.77$2.54
May 2024Ridgemar Energy33234022720715$80.02$2.12
Apr 2024Ridgemar Energy26725988176797$85.35$1.60
Mar 2024Ridgemar Energy26227456453022$81.28$1.49
Feb 2024Ridgemar Energy3993807257100$77.25$1.72
Jan 2024Ridgemar Energy86924984880$74.15$3.18
Dec 2023Ridgemar Energy3133176786630$71.90$2.52
Nov 2023Ridgemar Energy5835948738510$77.69$2.71
Oct 2023Ridgemar Energy7828118848630$85.64$2.98
Sep 2023Ridgemar Energy1,8451,8451,8751,8330$89.43$2.64
Aug 2023Ridgemar Energy1,6051,5861,7691,7310$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

OperatorJavelin Energy Partners Mgmt LLCFieldEagleville (Eagle Ford-1)CountyMcMullen County

Javelin Energy Partners Mgmt LLC in McMullen County

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Eagleville (Eagle Ford-1) field

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