Skip to content
Royalty Clerk

Texas oil lease

Producing

Y-BAR 170H UNIT

Y-Bar 170H Unit is an oil lease in McMullen County, Texas, operated by Castlerock Ef Operating LLC in the Eagleville (Eagle Ford-1) field.

1 well

61,358bbl oil, last 12 months
Operator
Castlerock Ef Operating LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-21596

Is your check right?

Check my statement

Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
64,378 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output fell 90% since Sep 2024

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 90% since Sep 2024Monthly oil production and gas for Y-BAR 170H UNIT, Sep 2024 to Jul 2026. Oil output fell 90% since Sep 2024. Monthly average of 2,480 bbl in the latest 3 months, against 24,411 bbl in the first 3.Last 12 months: 61,358 bblbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kOct 24Jan 25AprJulOctJan 26AprJul
Oil output fell 90% since Sep 2024Monthly oil production and gas for Y-BAR 170H UNIT, Sep 2024 to Jul 2026. Oil output fell 90% since Sep 2024. Monthly average of 2,480 bbl in the latest 3 months, against 24,411 bbl in the first 3.Last 12 monthsbbl per monthmcf per month0010k5,00020k10k30k15k40k20k50k25kJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

72% of the gas went to a transmission line in the last 12 months

Flaring peaked at 59.8% of the gas in Sep 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
72% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR 170H UNIT gas by disposition code each month, Sep 2024 to Jul 2026. 72% of the gas went to a transmission line in the last 12 months. Flaring peaked at 59.8% of the gas in Sep 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 59.8%Oct 24Jan 25AprJulOctJan 26AprJul
72% of the gas went to a transmission line in the last 12 monthsShare of Y-BAR 170H UNIT gas by disposition code each month, Sep 2024 to Jul 2026. 72% of the gas went to a transmission line in the last 12 months. Flaring peaked at 59.8% of the gas in Sep 2024.Share of gas by disposition code0%50%100%Flared 59.8%Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    72% · 46,259 mcf

  • Lease fuel (1)

    18% · 11,740 mcf

  • Flared (4)

    9.9% · 6,379 mcf

9.9% of the gas flared in the last 12 months. 23 months above 3%.

1 well on this lease

Wells on Y-BAR 170H UNIT
API numberWell no.Status
42-311-37493170HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Harvest Midstream CompanyOilGathers100Sep 11, 2024
Dcp Operating Company, LPCasinghead gasBuys50Sep 11, 2024
Tpl Southtex Midstream LLCCasinghead gasBuys50Sep 11, 2024
Dcp Operating Company, LPCasinghead gasGathers50Sep 11, 2024
Tpl Southtex Midstream LLCCasinghead gasGathers50Sep 11, 2024

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

Who buys my oilOil price check

152.87 acres on the newest permit

Check your decimal on this lease
Permits for Y-Bar 170H Unit
API numberWell no.Acreson the permit
42-311-37493170H152.87

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

Unit decimal checker

Estimate your royalty

23 months, newest first

Ledger for Y-BAR 170H UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20260349421$80.46$2.89
Jun 20262,0572,16666036973$84.81$3.15
May 20265,3825,2012,3641,439349$102.13$2.94
Apr 20264,6224,6163,5452,582254$100.32$2.77
Mar 20265,1345,1466,6564,2841,103$91.38$3.04
Feb 20264,7544,7512,0721,385241$64.51$3.62
Jan 20265,8165,7993,1141,892444$60.04$7.72
Dec 20255,4525,4616,2294,207684$57.97$4.26
Nov 20255,5305,6896,7054,482908$60.06$3.79
Oct 20258,6398,4899,1766,956650$60.89$3.19
Sep 20257,0487,04410,9908,502828$63.96$2.97
Aug 20256,9247,09512,86310,159844$64.86$2.91
Jul 20257,8057,77913,36910,1581,210$68.39$3.20
Jun 20257,7867,75610,9477,6921,582$68.17$3.02
May 202510,36210,54015,6739,1104,654$62.17$3.12
Apr 202512,36712,32011,4697,7222,094$63.54$3.42
Mar 202512,74212,7207,2515,752493$68.24$4.12
Feb 202513,66313,5869,1877,563431$71.53$4.19
Jan 202516,38216,39910,8148,505946$75.74$4.13
Dec 202419,44919,45212,73410,537762$70.12$3.01
Nov 202422,14522,25712,62510,2111,127$69.95$2.12
Oct 202431,64831,72920,09516,1152,436$71.99$2.20
Sep 202419,44118,7649,9113,3785,927$70.24$2.28

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

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

Castlerock Ef Operating LLC in McMullen 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