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Y BAR MCM

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

2 wells

0bbl oil, last 12 months
Operator
Castlerock Ef Operating LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16919

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

No oil produced in the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
No oil produced in the last 12 monthsMonthly oil production and gas for Y BAR MCM, Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Feb 2025, at 8 bbl.Last 12 months: 0 bblbbl per monthmcf per month00100100200200300300400400500500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
No oil produced in the last 12 monthsMonthly oil production and gas for Y BAR MCM, Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Feb 2025, at 8 bbl.Last 12 monthsbbl per monthmcf per month00100100200200300300400400500500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

75% 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)
75% of the gas went to a transmission line in the last 12 monthsShare of Y BAR MCM gas by disposition code each month, Aug 2023 to Jul 2026. 75% 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
75% of the gas went to a transmission line in the last 12 monthsShare of Y BAR MCM gas by disposition code each month, Aug 2023 to Jul 2026. 75% 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)

    75% · 1,515 mcf

  • Flared (4)

    14% · 286 mcf

  • Lease fuel (1)

    11% · 226 mcf

14.1% of the gas flared in the last 12 months. 18 months above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2022

Operators of this lease over timeMurphy Expl. & Prod. Co. - USA, Jan 2020 to Dec 2021; Castlerock Ef Operating LLC, Jan 2022 to Jul 20262020202120222023202420252026Changed Jan 2022Murphy Expl. & Prod. Co. - USAJan 2020 to Dec 2021Castlerock Ef Operating LLCJan 2022 to now
Operators of this lease over timeMurphy Expl. & Prod. Co. - USA, Jan 2020 to Dec 2021; Castlerock Ef Operating LLC, Jan 2022 to Jul 20262020202120222023202420252026Changed Jan 2022Murphy Expl. & Prod. Co. - USAJan 2020 to Dec 2021Castlerock Ef Operating LLCJan 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on Y BAR MCM
API numberWell no.Status
42-311-35384A 1HShut-in
42-311-35428B 1HShut-in

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 gasGathers100Jun 1, 2017Feb 1, 2024
Dcp Operating Company, LPCasinghead gasBuys100Jun 1, 2017Feb 1, 2024
Harvest Marketing & Trading, LLCOilGathers5Aug 29, 2023Feb 1, 2024
Harvest Midstream CompanyOilGathers95Aug 29, 2023Feb 1, 2024
Arm Energy Management LLCOilGathers100Jan 29, 2022Aug 29, 2023
Bp Products North America Inc.OilGathers10Jun 1, 2017Jan 29, 2022

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

Who buys my oilOil price check

509.70 acres on the newest permit

Check your decimal on this lease
Permits for Y Bar MCM
API numberWell no.Acreson the permit
42-311-35428B 1H509.70
42-311-35384A 1H509.70

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for Y BAR MCM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Castlerock Ef00000$80.46$2.89
Jun 2026Castlerock Ef00000$84.81$3.15
May 2026Castlerock Ef00000$102.13$2.94
Apr 2026Castlerock Ef00000$100.32$2.77
Mar 2026Castlerock Ef00000$91.38$3.04
Feb 2026Castlerock Ef00000$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 Ef00000$64.86$2.91
Jul 2025Castlerock Ef00000$68.39$3.20
Jun 2025Castlerock Ef00000$68.17$3.02
May 2025Castlerock Ef00000$62.17$3.12
Apr 2025Castlerock Ef00000$63.54$3.42
Mar 2025Castlerock Ef00000$68.24$4.12
Feb 2025Castlerock Ef89110$71.53$4.19
Jan 2025Castlerock Ef394521016519$75.74$4.13
Dec 2024Castlerock Ef26926547139028$70.12$3.01
Nov 2024Castlerock Ef14414414211513$69.95$2.12
Oct 2024Castlerock Ef1461501219715$71.99$2.20
Sep 2024Castlerock Ef1831851123867$70.24$2.28
Aug 2024Castlerock Ef1741701528058$76.68$1.99
Jul 2024Castlerock Ef16315915912511$81.80$2.07
Jun 2024Castlerock Ef252622017319$79.77$2.54
May 2024Castlerock Ef384315111320$80.02$2.12
Apr 2024Castlerock Ef25025515011418$85.35$1.60
Mar 2024Castlerock Ef42141413810418$81.28$1.49
Feb 2024Castlerock Ef21020526416374$77.25$1.72
Jan 2024Castlerock Ef00339158133$74.15$3.18
Dec 2023Castlerock Ef191932619773$71.90$2.52
Nov 2023Castlerock Ef71030920150$77.69$2.71
Oct 2023Castlerock Ef39361775874$85.64$2.98
Sep 2023Castlerock Ef0336453208$89.43$2.64
Aug 2023Castlerock Ef929634814228$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

OperatorCastlerock Ef Operating LLCFieldEagleville (Eagle Ford-1)CountyMcMullen County

Castlerock Ef Operating LLC in McMullen County

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Eagleville (Eagle Ford-1) field

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