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Texas oil lease

Producing

Y-BAR WEST

Y-Bar West is an oil lease in La Salle County, Texas, operated by Castlerock Ef Operating LLC in the Eagleville (Eagle Ford-1) field.

1 well

3,282bbl oil, last 12 months−15% vs prior year
RRC lease
01-18302

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
2,964 mcf
Oil in Jul 2026
384 bbl

Production by month

Oil output fell 15% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 15% over the last 12 monthsMonthly oil production and gas for Y-BAR WEST, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 3,282 bbl in the 12 months through Jul 2026, against 3,868 bbl in the 12 months before.Last 12 months: 3,282 bblbbl per monthmcf per month001,0002502,0005003,0007504,0001,0005,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 15% over the last 12 monthsMonthly oil production and gas for Y-BAR WEST, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 3,282 bbl in the 12 months through Jul 2026, against 3,868 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002502,0005003,0007504,0001,0005,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

70% of the gas went to a transmission line in the last 12 months

Flaring peaked at 65.5% of the gas in Aug 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
70% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR WEST gas by disposition code each month, Aug 2023 to Jul 2026. 70% of the gas went to a transmission line in the last 12 months. Flaring peaked at 65.5% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 65.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
70% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR WEST gas by disposition code each month, Aug 2023 to Jul 2026. 70% of the gas went to a transmission line in the last 12 months. Flaring peaked at 65.5% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 65.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    70% · 3,517 mcf

  • Lease fuel (1)

    20% · 999 mcf

  • Flared (4)

    11% · 540 mcf

10.7% of the gas flared in the last 12 months. 27 months above 3%.

Who has run this lease

The operator changed once, most recently in Aug 2022

Operators of this lease over timeMurphy Expl. & Prod. Co. - USA, Jan 2020 to Jul 2022; Castlerock Ef Operating LLC, Aug 2022 to Jul 20262020202120222023202420252026Changed Aug 2022Murphy Expl. & Prod. Co. - USAJan 2020 to Jul 2022Castlerock Ef Operating LLCAug 2022 to now
Operators of this lease over timeMurphy Expl. & Prod. Co. - USA, Jan 2020 to Jul 2022; Castlerock Ef Operating LLC, Aug 2022 to Jul 20262020202120222023202420252026Changed Aug 2022Murphy Expl. & Prod. Co. - USAJan 2020 to Jul 2022Castlerock Ef Operating LLCAug 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on Y-BAR WEST
API numberWell no.Status
42-283-346611HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Midstream CompanyOilGathers100Feb 1, 2024–
Dcp Operating Company, LPCasinghead gasBuys90Feb 1, 2024–
Tpl Southtex Midstream LLCCasinghead gasBuys10Feb 1, 2024–
Dcp Operating Company, LPCasinghead gasGathers90Feb 1, 2024–
Tpl Southtex Midstream LLCCasinghead gasGathers10Feb 1, 2024–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Feb 1, 2024
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017Feb 1, 2024
Harvest Marketing & Trading, LLCOilGathers5Aug 29, 2023Feb 1, 2024
Harvest Midstream CompanyOilGathers95Aug 29, 2023Feb 1, 2024
Arm Energy Management LLCOilGathers100Aug 1, 2022Aug 29, 2023
Bp Products North America Inc.OilGathers10Jun 25, 2014Aug 1, 2022

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

960.90 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 Y-Bar West
API numberWell no.Acreson the permit
42-283-346611H960.90

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

Estimate your royalty

36 months, newest first

Ledger for Y-BAR WEST
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Castlerock Ef38441042723285$80.46$2.89
Jun 2026Castlerock Ef43340767037574$84.81$3.15
May 2026Castlerock Ef49449152932278$102.13$2.94
Apr 2026Castlerock Ef62364581759558$100.32$2.77
Mar 2026Castlerock Ef1,1431,09051032884$91.38$3.04
Feb 2026Castlerock Ef2051921071$64.51$3.62
Jan 2026Castlerock Ef00000$60.04$7.72
Dec 2025Castlerock Ef00000$57.97$4.26
Nov 2025Castlerock Ef00000$60.06$3.79
Oct 2025Castlerock Ef00000$60.89$3.19
Sep 2025Castlerock Ef00000$63.96$2.97
Aug 2025Castlerock Ef00110$64.86$2.91
Jul 2025Castlerock Ef00000$68.39$3.20
Jun 2025Castlerock Ef00000$68.17$3.02
May 2025Castlerock Ef06000$62.17$3.12
Apr 2025Castlerock Ef11412820914138$63.54$3.42
Mar 2025Castlerock Ef46845870555948$68.24$4.12
Feb 2025Castlerock Ef24825159048628$71.53$4.19
Jan 2025Castlerock Ef47146238630434$75.74$4.13
Dec 2024Castlerock Ef14415320216712$70.12$3.01
Nov 2024Castlerock Ef5865821,06686196$69.95$2.12
Oct 2024Castlerock Ef4804921,147920139$71.99$2.20
Sep 2024Castlerock Ef5595851,044356624$70.24$2.28
Aug 2024Castlerock Ef798839826432316$76.68$1.99
Jul 2024Castlerock Ef2,7442,69383165059$81.80$2.07
Jun 2024Castlerock Ef1,6891,66116412914$79.77$2.54
May 2024Castlerock Ef17919562468$80.02$2.12
Apr 2024Castlerock Ef90789774456288$85.35$1.60
Mar 2024Castlerock Ef52353966450286$81.28$1.49
Feb 2024Castlerock Ef1,2031,2111,135696322$77.25$1.72
Jan 2024Castlerock Ef1,7011,7371,007469394$74.15$3.18
Dec 2023Castlerock Ef2,2112,209517313115$71.90$2.52
Nov 2023Castlerock Ef1,7561,87840526465$77.69$2.71
Oct 2023Castlerock Ef2,5582,423497163207$85.64$2.98
Sep 2023Castlerock Ef1,0481,02417425100$89.43$2.64
Aug 2023Castlerock Ef1,0621,037119578$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

Castlerock Ef Operating LLC in La Salle County

All Castlerock Ef Operating LLC leases →

Eagleville (Eagle Ford-1) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km