Skip to content
Royalty Clerk

Texas oil lease

Producing

IRVIN A UNIT

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

1 well

37,149bbl oil, last 12 months+85% vs prior year
RRC lease
01-16202

Is your check right?

Check my statement

Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
18,033 mcf
Oil in Jul 2026
2,335 bbl

Production by month

Oil output rose 85% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 85% over the last 12 monthsMonthly oil production and gas for IRVIN A UNIT, Aug 2023 to Jul 2026. Oil output rose 85% over the last 12 months. 37,149 bbl in the 12 months through Jul 2026, against 20,073 bbl in the 12 months before.Last 12 months: 37,149 bblbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 85% over the last 12 monthsMonthly oil production and gas for IRVIN A UNIT, Aug 2023 to Jul 2026. Oil output rose 85% over the last 12 months. 37,149 bbl in the 12 months through Jul 2026, against 20,073 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 15.8% of the gas in Jan 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRVIN A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 15.8% of the gas in Jan 2026.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2025: line to fuelFlared 15.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRVIN A UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 15.8% of the gas in Jan 2026.Share of gas by disposition code0%50%100%Jul 25: line to fuelFlared 15.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    70% · 12,639 mcf

  • Transmission line (2)

    24% · 4,322 mcf

  • Flared (4)

    5.9% · 1,072 mcf

5.9% of the gas flared in the last 12 months. 14 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.

1 well on this lease

Wells on IRVIN A UNIT
API numberWell no.Status
42-283-33336120HActive

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 gasBuys10Jul 1, 2013Jan 1, 2023
Eastex Crude CompanyOilGathers80Feb 28, 2015Jan 1, 2023
Flint Hills Resources, LPOilGathers5Feb 28, 2015Jan 1, 2023
Shell Trading (Us) CompanyOilGathers15Feb 28, 2015Jan 1, 2023

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

320 acres on the newest permit

Permits for Irvin A Unit
API numberWell no.Acreson the permit
42-283-33336120H320

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for IRVIN A UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy2,3352,31244193$80.46$2.89
Jun 2026Javelin Energy2,7432,7462,119452269$84.81$3.15
May 2026Javelin Energy2,6732,6753,253991163$102.13$2.94
Apr 2026Javelin Energy3,0103,0121,80251629$100.32$2.77
Mar 2026Javelin Energy3,6493,7153,38088082$91.38$3.04
Feb 2026Javelin Energy3,2433,16390611258$64.51$3.62
Jan 2026Javelin Energy3,0583,0481,374250217$60.04$7.72
Dec 2025Javelin Energy3,2783,27989618266$57.97$4.26
Nov 2025Javelin Energy3,0273,0371,66046884$60.06$3.79
Oct 2025Javelin Energy3,5833,5581,24235583$60.89$3.19
Sep 2025Javelin Energy3,2613,26259410718$63.96$2.97
Aug 2025Javelin Energy3,2893,27236600$64.86$2.91
Jul 2025Javelin Energy1,7511,75335100$68.39$3.20
Jun 2025Javelin Energy1,1441,1836,4043,184212$68.17$3.02
May 2025Javelin Energy3,3033,2948,2714,487282$62.17$3.12
Apr 2025Javelin Energy5,2795,2836,6363,691244$63.54$3.42
Mar 2025Javelin Energy7,5037,4824,0182,565161$68.24$4.12
Feb 2025Javelin Energy94891382420748$71.53$4.19
Jan 2025Ridgemar Energy00000$75.74$4.13
Dec 2024Ridgemar Energy00000$70.12$3.01
Nov 2024Ridgemar Energy00000$69.95$2.12
Oct 2024Ridgemar Energy00000$71.99$2.20
Sep 2024Ridgemar Energy01000$70.24$2.28
Aug 2024Ridgemar Energy145146385611$76.68$1.99
Jul 2024Ridgemar Energy40140494923210$81.80$2.07
Jun 2024Ridgemar Energy5535531,07628910$79.77$2.54
May 2024Ridgemar Energy50049773112510$80.02$2.12
Apr 2024Ridgemar Energy243244464321$85.35$1.60
Mar 2024Ridgemar Energy196201946977$81.28$1.49
Feb 2024Ridgemar Energy5975891,33823481$77.25$1.72
Jan 2024Ridgemar Energy1419800$74.15$3.18
Dec 2023Ridgemar Energy41341683921714$71.90$2.52
Nov 2023Ridgemar Energy7537451,3034694$77.69$2.71
Oct 2023Ridgemar Energy2325100$85.64$2.98
Sep 2023Ridgemar Energy102106218551$89.43$2.64
Aug 2023Ridgemar Energy3033075492645$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.

How to check your stub against this lease

Do your checks match this lease?

Nearby

Javelin Energy Partners Mgmt LLC in La Salle County

All Javelin Energy Partners Mgmt LLC leases →

Eagleville (Eagle Ford-1) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km