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Texas oil lease

Producing

WEST PENA B UNIT

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

6 wells

20,545bbl oil, last 12 months−17% vs prior year
Operator
Javelin Energy Partners Mgmt LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-18139

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
148,854 mcf
Oil in Jul 2026
1,772 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 17% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for WEST PENA B UNIT, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 20,545 bbl in the 12 months through Jul 2026, against 24,847 bbl in the 12 months before.Last 12 months: 20,545 bblbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 17% over the last 12 monthsMonthly oil production and gas for WEST PENA B UNIT, Aug 2023 to Jul 2026. Oil output fell 17% over the last 12 months. 20,545 bbl in the 12 months through Jul 2026, against 24,847 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

77% of the gas went to a transmission line in the last 12 months

Flaring peaked at 17.8% of the gas in Jun 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
77% of the gas went to a transmission line in the last 12 monthsShare of WEST PENA B UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 77% of the gas went to a transmission line in the last 12 months. Flaring peaked at 17.8% of the gas in Jun 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 17.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
77% of the gas went to a transmission line in the last 12 monthsShare of WEST PENA B UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 77% of the gas went to a transmission line in the last 12 months. Flaring peaked at 17.8% of the gas in Jun 2025.Share of gas by disposition code0%50%100%Flared 17.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    77% · 115,237 mcf

  • Lease fuel (1)

    17% · 25,407 mcf

  • Flared (4)

    5.5% · 8,210 mcf

5.5% of the gas flared in the last 12 months. 22 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.

6 wells on this lease

Wells on WEST PENA B UNIT
API numberWell no.Status
42-283-3477911HActive
42-283-3503521HActive
42-283-3510022HActive
42-283-35758220HActive
42-283-35759221HActive
42-283-35760222HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Pipeline L.p.OilGathers100Feb 1, 2025–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Feb 1, 2025
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Feb 1, 2025
Ironwood Midst Energy Ptnrs LLCOilGathers100Nov 1, 2021Feb 1, 2025
Eastex Crude CompanyOilGathers10Oct 2, 2014Nov 1, 2021
Plains Marketing, L.p.OilGathers10Feb 1, 2020Nov 1, 2021
Shell Trading (Us) CompanyOilGathers10Feb 1, 2020Nov 1, 2021

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

Who buys my oilOil price check

386.34 acres on the newest permit

  • 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 West Pena B Unit
API numberWell no.Acreson the permit
42-283-35758220H386.34
42-283-35759221H386.34
42-283-35760222H386.34
42-283-3510022H386.34
42-283-3503521H386.34
42-283-3477911H386.34

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for WEST PENA B UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy1,7721,76510,9587,438997$80.46$2.89
Jun 2026Javelin Energy1,6161,61012,2128,9401,126$84.81$3.15
May 2026Javelin Energy1,5581,56812,1548,987930$102.13$2.94
Apr 2026Javelin Energy1,6621,66210,3758,047663$100.32$2.77
Mar 2026Javelin Energy1,5721,59213,29410,544550$91.38$3.04
Feb 2026Javelin Energy1,8801,85013,00610,097379$64.51$3.62
Jan 2026Javelin Energy1,9511,97314,00910,858419$60.04$7.72
Dec 2025Javelin Energy1,9161,90911,9139,531310$57.97$4.26
Nov 2025Javelin Energy1,9021,92111,2819,482182$60.06$3.79
Oct 2025Javelin Energy1,6231,59513,28210,813581$60.89$3.19
Sep 2025Javelin Energy1,4431,44211,8448,9411,185$63.96$2.97
Aug 2025Javelin Energy1,6501,67214,52611,559888$64.86$2.91
Jul 2025Javelin Energy2,0452,07013,3219,3541,866$68.39$3.20
Jun 2025Javelin Energy2,7102,6357,4803,8011,332$68.17$3.02
May 2025Javelin Energy7367697,6264,287554$62.17$3.12
Apr 2025Javelin Energy1,9722,0166,4673,822207$63.54$3.42
Mar 2025Javelin Energy1,8441,8277,8815,537480$68.24$4.12
Feb 2025Javelin Energy2,0302,0068,0195,945132$71.53$4.19
Jan 2025Ridgemar Energy1,8191,8398,1335,742473$75.74$4.13
Dec 2024Ridgemar Energy2,6082,6048,0035,654132$70.12$3.01
Nov 2024Ridgemar Energy2,3762,3649,0036,545148$69.95$2.12
Oct 2024Ridgemar Energy2,1632,17311,4488,024356$71.99$2.20
Sep 2024Ridgemar Energy2,2152,24710,7757,292493$70.24$2.28
Aug 2024Ridgemar Energy2,3292,28910,4586,6741,134$76.68$1.99
Jul 2024Ridgemar Energy2,7362,73811,5047,931698$81.80$2.07
Jun 2024Ridgemar Energy2,3192,32812,6578,724861$79.77$2.54
May 2024Ridgemar Energy2,7102,71910,5736,707804$80.02$2.12
Apr 2024Ridgemar Energy2,9262,96812,2508,781362$85.35$1.60
Mar 2024Ridgemar Energy2,8272,76313,2808,9981,112$81.28$1.49
Feb 2024Ridgemar Energy2,4402,4689,7587,065611$77.25$1.72
Jan 2024Ridgemar Energy2,8322,83012,9179,568302$74.15$3.18
Dec 2023Ridgemar Energy3,0723,08414,56811,37140$71.90$2.52
Nov 2023Ridgemar Energy3,4793,45015,52513,985129$77.69$2.71
Oct 2023Ridgemar Energy3,1353,15113,14611,889107$85.64$2.98
Sep 2023Ridgemar Energy2,7842,80211,21110,18233$89.43$2.64
Aug 2023Ridgemar Energy3,4753,4697,3774,7981$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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