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Texas oil lease

Producing

Y-BAR

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

32 wells

93,384bbl oil, last 12 months−57% vs prior year
Operator
Castlerock Ef Operating LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15530

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
143,184 mcf
Oil in Jul 2026
7,578 bbl

Production by month

Oil output fell 57% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for Y-BAR, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 93,384 bbl in the 12 months through Jul 2026, against 217,645 bbl in the 12 months before.Last 12 months: 93,384 bblbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 57% over the last 12 monthsMonthly oil production and gas for Y-BAR, Aug 2023 to Jul 2026. Oil output fell 57% over the last 12 months. 93,384 bbl in the 12 months through Jul 2026, against 217,645 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

69% 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)
69% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR gas by disposition code each month, Aug 2023 to Jul 2026. 69% 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
69% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR gas by disposition code each month, Aug 2023 to Jul 2026. 69% 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)

    69% · 99,136 mcf

  • Lease fuel (1)

    21% · 29,500 mcf

  • Flared (4)

    10% · 14,548 mcf

10.2% of the gas flared in the last 12 months. 36 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.

32 wells on this lease

Wells on Y-BAR
API numberWell no.Status
42-283-330486HShut-in
42-283-330497HShut-in
42-283-330538HShut-in
42-283-330549HActive
42-283-3368918HActive
42-283-3369019HActive
42-283-3369120HShut-in
42-283-3369221HShut-in
42-283-3371910HActive
42-283-3372011HShut-in
42-283-3372812HActive
42-283-3373013HActive
42-283-3386026HActive
42-283-3386127HShut-in
42-283-37637110HShut-in
42-283-37638120HShut-in
42-283-37639130HShut-in
42-283-37640140HShut-in
42-311-342971HActive
42-311-347683HShut-in
42-311-347692HShut-in
42-311-347704HShut-in
42-311-347715HActive
42-311-3505916HShut-in
42-311-3506015HShut-in
42-311-3506217HShut-in
42-311-3506314HShut-in
42-311-3516622HActive
42-311-3516723HShut-in
42-311-3517925HShut-in
42-311-3518024HShut-in
42-311-37499150HActive

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.OilGathers10Mar 1, 2013Aug 1, 2022

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

Who buys my oilOil price check

3,541.80 acres on the newest permit

The wells on this lease state different acreage

The permits state between 2,901.01 and 3,703.28 acres.

32 wells are listed on this lease

Permits for Y-Bar
API numberWell no.Acreson the permit
42-311-37499150H3,541.80
42-283-37637110H3,541.80
42-283-37638120H3,541.80
42-283-37639130H3,541.80
42-283-37640140H2,901.01
42-283-3386127H3,703.28
42-283-3386026H3,703.28
42-283-3372812H3,703.28
42-283-3373013H3,703.28
42-283-3368918H3,703.28
42-283-3369120H3,703.28
42-283-3371910H3,703.28

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for Y-BAR
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Castlerock Ef7,5787,0066,2013,3451,231$80.46$2.89
Jun 2026Castlerock Ef1,0981,2562,5221,370272$84.81$3.15
May 2026Castlerock Ef3,7333,9825,5223,317805$102.13$2.94
Apr 2026Castlerock Ef9,1399,18411,1658,097798$100.32$2.77
Mar 2026Castlerock Ef11,27911,19610,5236,6881,723$91.38$3.04
Feb 2026Castlerock Ef8,8578,74310,4296,9601,217$64.51$3.62
Jan 2026Castlerock Ef8,7418,6889,3805,6361,325$60.04$7.72
Dec 2025Castlerock Ef7,6617,69011,2527,5231,221$57.97$4.26
Nov 2025Castlerock Ef8,3198,34311,7397,7961,576$60.06$3.79
Oct 2025Castlerock Ef8,7538,66020,97415,7771,472$60.89$3.19
Sep 2025Castlerock Ef8,4238,48819,29814,3931,397$63.96$2.97
Aug 2025Castlerock Ef9,80310,10324,17918,2341,511$64.86$2.91
Jul 2025Castlerock Ef12,06312,01220,51114,5341,729$68.39$3.20
Jun 2025Castlerock Ef11,87011,74517,74011,5532,374$68.17$3.02
May 2025Castlerock Ef13,88314,05316,6198,8484,523$62.17$3.12
Apr 2025Castlerock Ef15,04815,04514,3548,7112,360$63.54$3.42
Mar 2025Castlerock Ef16,81116,75414,03310,256876$68.24$4.12
Feb 2025Castlerock Ef17,31017,22113,00810,023568$71.53$4.19
Jan 2025Castlerock Ef21,12321,09014,89611,2711,254$75.74$4.13
Dec 2024Castlerock Ef22,78022,78415,98612,933936$70.12$3.01
Nov 2024Castlerock Ef26,05826,12618,24414,4491,596$69.95$2.12
Oct 2024Castlerock Ef33,74333,85522,31317,4312,635$71.99$2.20
Sep 2024Castlerock Ef21,15920,72720,6646,84912,015$70.24$2.28
Aug 2024Castlerock Ef5,7975,6409,0093,7342,731$76.68$1.99
Jul 2024Castlerock Ef4,8814,8316,7354,514416$81.80$2.07
Jun 2024Castlerock Ef4,8904,9356,9254,901538$79.77$2.54
May 2024Castlerock Ef3,2523,2363,1482,149383$80.02$2.12
Apr 2024Castlerock Ef4,9764,9889,3375,863922$85.35$1.60
Mar 2024Castlerock Ef5,3425,2638,4355,344919$81.28$1.49
Feb 2024Castlerock Ef2,8042,8137,3843,9471,823$77.25$1.72
Jan 2024Castlerock Ef3,5153,5628,4383,8823,261$74.15$3.18
Dec 2023Castlerock Ef3,6963,7377,7284,6781,716$71.90$2.52
Nov 2023Castlerock Ef4,0314,3257,3234,7701,182$77.69$2.71
Oct 2023Castlerock Ef5,9755,7438,9372,9243,728$85.64$2.98
Sep 2023Castlerock Ef4,0263,94311,4461,6806,542$89.43$2.64
Aug 2023Castlerock Ef4,2324,25014,8355929,723$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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This lease belongs to

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

Castlerock Ef Operating LLC in McMullen County

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