Skip to content
Royalty Clerk

Texas oil lease

Producing

IRVIN C-A U1

Irvin C-A U1 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

73,130bbl oil, last 12 months
Operator
Javelin Energy Partners Mgmt LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-21728

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
10,749 mcf
Oil in Jul 2026
3,002 bbl

Production by month

Oil output fell 63% since Feb 2025

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 63% since Feb 2025Monthly oil production and gas for IRVIN C-A U1, Feb 2025 to Jul 2026. Oil output fell 63% since Feb 2025. Monthly average of 4,892 bbl in the latest 3 months, against 13,302 bbl in the first 3.Last 12 months: 73,130 bblbbl per monthmcf per month005,0002,00010k4,00015k6,00020k8,00025k10kApr 25JulOctJan 26AprJul
Oil output fell 63% since Feb 2025Monthly oil production and gas for IRVIN C-A U1, Feb 2025 to Jul 2026. Oil output fell 63% since Feb 2025. Monthly average of 4,892 bbl in the latest 3 months, against 13,302 bbl in the first 3.Last 12 monthsbbl per monthmcf per month005,0002,00010k4,00015k6,00020k8,00025k10kJul 25Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a transmission line in the last 12 months

Flaring peaked at 28.2% of the gas in May 2025.

  • Transmission line (2)
  • Flared (4)
93% of the gas went to a transmission line in the last 12 monthsShare of IRVIN C-A U1 gas by disposition code each month, Feb 2025 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 28.2% of the gas in May 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 28.2%Apr 25JulOctJan 26AprJul
93% of the gas went to a transmission line in the last 12 monthsShare of IRVIN C-A U1 gas by disposition code each month, Feb 2025 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 28.2% of the gas in May 2025.Share of gas by disposition code0%50%100%Flared 28.2%Jul 25Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 9,970 mcf

  • Flared (4)

    7.2% · 779 mcf

7.2% of the gas flared in the last 12 months. 15 months above 3%.

1 well on this lease

Wells on IRVIN C-A U1
API numberWell no.Status
42-283-37651100HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.OilGathers100Nov 22, 2024
Enterprise Products Operating LLCCasinghead gasBuys100Nov 22, 2024
Williams Mlp Operating LLCCasinghead gasGathers100Nov 22, 2024

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

Who buys my oilOil price check

5,020.86 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease
Permits for Irvin C-A U1
API numberWell no.Acreson the permit
42-283-37651100H5,020.86

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

Unit decimal checker

Estimate your royalty

18 months, newest first

Ledger for IRVIN C-A U1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,0023,03732529629$80.46$2.89
Jun 20265,7255,7971,5551,431124$84.81$3.15
May 20265,9505,9281,05998376$102.13$2.94
Apr 20268,4908,4171,7571,628129$100.32$2.77
Mar 20265,2665,26743340231$91.38$3.04
Feb 20263,8793,94428222755$64.51$3.62
Jan 20266,7476,73138536124$60.04$7.72
Dec 20255,3265,26358155526$57.97$4.26
Nov 20254,0183,97045644412$60.06$3.79
Oct 20257,4537,43684675987$60.89$3.19
Sep 20256,8526,8621,2471,16186$63.96$2.97
Aug 202510,42210,4391,8231,723100$64.86$2.91
Jul 202513,05713,0521,3361,25284$68.39$3.20
Jun 202512,65412,6511,2901,168122$68.17$3.02
May 202510,63010,6441,9411,394547$62.17$3.12
Apr 202513,39413,4253,3272,958369$63.54$3.42
Mar 202522,09421,9586,0246,0240$68.24$4.12
Feb 20254,4184,4189249240$71.53$4.19

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 Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

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

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