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Texas oil lease

Producing

IRVIN F UNIT

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

2 wells

17,954bbl oil, last 12 months+16% vs prior year
Operator
Javelin Energy Partners Mgmt LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17696

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
2,922 mcf
Oil in Jul 2026
881 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 rose 16% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 16% over the last 12 monthsMonthly oil production and gas for IRVIN F UNIT, Aug 2023 to Jul 2026. Oil output rose 16% over the last 12 months. 17,954 bbl in the 12 months through Jul 2026, against 15,475 bbl in the 12 months before.Last 12 months: 17,954 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 16% over the last 12 monthsMonthly oil production and gas for IRVIN F UNIT, Aug 2023 to Jul 2026. Oil output rose 16% over the last 12 months. 17,954 bbl in the 12 months through Jul 2026, against 15,475 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line

Flaring peaked at 22.2% of the gas in Jan 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRVIN F UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 22.2% of the gas in Jan 2026.Share of the lease’s gas by disposition code, per month0%50%100%Oct 2025: line to fuelFlared 22.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRVIN F UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 22.2% of the gas in Jan 2026.Share of gas by disposition code0%50%100%Oct 25: line to fuelFlared 22.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    56% · 1,633 mcf

  • Transmission line (2)

    33% · 966 mcf

  • Flared (4)

    11% · 323 mcf

11.1% of the gas flared in the last 12 months. 21 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.

2 wells on this lease

Wells on IRVIN F UNIT
API numberWell no.Status
42-283-34489131HActive
42-283-34650166HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
El Jardin Gathering, LLCOilGathers90Jan 1, 2023–
Eastex Crude Company, LLCOilGathers10Jan 1, 2023–
Dcp Operating Company, LPCasinghead gasBuys50Jan 1, 2023–
Upstream Energy ServicesCasinghead gasBuys50Jan 1, 2023–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017–
Dcp Operating Company, LPCasinghead gasBuys90Apr 1, 2017Jan 1, 2023
Upstream Energy ServicesCasinghead gasBuys10Apr 5, 2014Jan 1, 2023
Eastex Crude CompanyOilGathers40Feb 28, 2015Jan 1, 2023
El Jardin Gathering, LLCOilGathers45Feb 28, 2015Jan 1, 2023
Flint Hills Resources, LPOilGathers5Feb 28, 2015Jan 1, 2023
Shell Trading (Us) CompanyOilGathers10Apr 5, 2014Jan 1, 2023

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

Who buys my oilOil price check

383.20 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 383.18 and 383.2 acres. Use the acres from your own division order for the well you are paid on.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Irvin F Unit
API numberWell no.Acreson the permit
42-283-34650166H383.20
42-283-34489131H383.18

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for IRVIN F UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy8818962438726$80.46$2.89
Jun 2026Javelin Energy2,0282,02642112373$84.81$3.15
May 2026Javelin Energy1,8281,79433211619$102.13$2.94
Apr 2026Javelin Energy520545177654$100.32$2.77
Mar 2026Javelin Energy1,8701,897303908$91.38$3.04
Feb 2026Javelin Energy1,5071,4662625428$64.51$3.62
Jan 2026Javelin Energy1,2011,19841410692$60.04$7.72
Dec 2025Javelin Energy1,5571,5652127728$57.97$4.26
Nov 2025Javelin Energy1,7191,7172459016$60.06$3.79
Oct 2025Javelin Energy1,7541,7471476215$60.89$3.19
Sep 2025Javelin Energy2,0442,0331075810$63.96$2.97
Aug 2025Javelin Energy1,0451,05559384$64.86$2.91
Jul 2025Javelin Energy1,9271,922904310$68.39$3.20
Jun 2025Javelin Energy922915115695$68.17$3.02
May 2025Javelin Energy80379956322$62.17$3.12
Apr 2025Javelin Energy81381527161$63.54$3.42
Mar 2025Javelin Energy1,0001,026139976$68.24$4.12
Feb 2025Javelin Energy925927721$71.53$4.19
Jan 2025Ridgemar Energy708677000$75.74$4.13
Dec 2024Ridgemar Energy934962940$70.12$3.01
Nov 2024Ridgemar Energy1,5411,5243161354$69.95$2.12
Oct 2024Ridgemar Energy2,1012,10051721219$71.99$2.20
Sep 2024Ridgemar Energy2,1832,1774592408$70.24$2.28
Aug 2024Ridgemar Energy1,6181,6172151263$76.68$1.99
Jul 2024Ridgemar Energy1,5901,5942231416$81.80$2.07
Jun 2024Ridgemar Energy1,2881,2863111997$79.77$2.54
May 2024Ridgemar Energy97998042526921$80.02$2.12
Apr 2024Ridgemar Energy1,1491,1613522246$85.35$1.60
Mar 2024Ridgemar Energy1,4091,39252222$81.28$1.49
Feb 2024Ridgemar Energy4544531263914$77.25$1.72
Jan 2024Ridgemar Energy439451000$74.15$3.18
Dec 2023Ridgemar Energy9819762,6771,39190$71.90$2.52
Nov 2023Ridgemar Energy1,2171,2373,2571,92415$77.69$2.71
Oct 2023Ridgemar Energy1,5971,5955,8093,532145$85.64$2.98
Sep 2023Ridgemar Energy1,4561,4607,3574,792103$89.43$2.64
Aug 2023Ridgemar Energy1,6421,6427,5734,60381$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)CountyLa Salle County

Javelin Energy Partners Mgmt LLC in La Salle County

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Eagleville (Eagle Ford-1) field

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