Y-Bar Unit

Oil & Gas Property in McMullen County, TX

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Property Summary

Key data points for Y-Bar Unit

CountyMcMullen County, TX
Production DatesSep 2014 - Jun 2026
Total Oil Production553,355 BBLs
Total Gas Production594,137 MCF
Recent Oil Production1,227 BBLs in May 2026
Recent Gas Production2,520 MCF in May 2026
Wells on Property7

Our Valuation Estimates for Y-Bar Unit

ShaleAssessment

$67,539 *

MarketMultiple

$193,459 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

Y-Bar Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Y-Bar Unit
from Sep 2014 to Jun 2026

Wells on Y-Bar Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-311-35413Y-BAR UNIT A 1HCastlerock EF Operating LLCProducingMcMullen County, TX28.535168-98.792528
42-311-35423Y-BAR UNIT A 2HCastlerock EF Operating LLCShut InMcMullen County, TX28.535168-98.792606
42-311-35882Y-BAR UNIT A 3HCastlerock EF Operating LLCProducingMcMullen County, TX28.535168-98.792528
42-311-36056Y-BAR UNIT C 1HCastlerock EF Operating LLCProducingMcMullen County, TX28.539114-98.781464
42-311-36057Y-BAR UNIT C 2HCastlerock EF Operating LLCShut InMcMullen County, TX28.539114-98.781387
42-311-36059Y-BAR UNIT D 1HMURPHY EXPL. & PROD. CO. - USAHorizontal Well Surface LocatioMcMullen County, TX28.539133-98.776138
42-311-36060Y-BAR UNIT D 2HMURPHY EXPL. & PROD. CO. - USAHorizontal Well Surface LocatioMcMullen County, TX28.539133-98.776060

Leases included in Y-Bar Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17978Y-BAR UNIT ACastlerock EF Operating LLCMcMullen County, TX
01-18268Y-BAR UNIT CCastlerock EF Operating LLCMcMullen County, TX

Operators Associated With Y-Bar Unit

Nearby Properties

These are the closest 20 properties to the Y-Bar Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
AspenMcMullen County, TX20,024 BBLs30,610 MCFJun 2026
BreckenridgeLa Salle County, TX12,566 BBLs12,799 MCFJun 2026
Buffett Ybar UnitLa Salle County, TX366 BBLs549 MCFJun 2026
CarlsonMcMullen County, TX2,248 BBLs2,995 MCFJun 2026
CRX YbarLa Salle County, TX12,254 BBLs17,528 MCFJun 2026
CRX YbarMcMullen County, TX10,107 BBLs24,389 MCFJun 2026
DonnellMcMullen County, TX1,971 BBLs2,516 MCFJun 2026
Donnell Lowe PastureMcMullen County, TX24,185 BBLs24,312 MCFJun 2026
KeystoneLa Salle County, TX13,976 BBLs31,249 MCFJun 2026
Lowe BrightonMcMullen County, TX13,383 BBLs19,538 MCFJun 2026
Lowe Pasture AMcMullen County, TX1,094 BBLs1,471 MCFJun 2026
Melon UnitLa Salle County, TX564 BBLs881 MCFJun 2026
MillerMcMullen County, TX16,010 BBLs27,452 MCFJun 2026
OliveiraMcMullen County, TX4,847 BBLs4,027 MCFJun 2026
Prince MCMMcMullen County, TX18,184 BBLs28,095 MCFJun 2026
RNR YbarLa Salle County, TX582 BBLs1,011 MCFJun 2026
Stephen YbarMcMullen County, TX719 BBLs548 MCFJun 2026
Y-BarLa Salle County, TX11,901 BBLs12,921 MCFJun 2026
Y-Bar EastMcMullen County, TX0 BBLs0 MCFSep 2024
Y-Bar WestLa Salle County, TX0 BBLs0 MCFMar 2026

Frac'ing activity on Y-Bar Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-311-35413Y-Bar Unit A 1H
42-311-35423Y-Bar Unit A 2H
42-311-35882Y-Bar Unit A 3H
42-311-36056Y Bar C 1H
42-311-36057Y-Bar C 2H

Owners of Y-Bar Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2026CASTLEROCK EF OPERATING LLCY-BAR UNIT C 1H 2HCASTLEROCK EF
2026CASTLEROCK EF OPERATING LLCY-BAR UNIT A 01HCASTLEROCK EF
2026Y BAR MINERALS LTDY-BAR UNIT C 1H 2HCASTLEROCK EF
2026CASTLEROCK EF OPERATING LLCY-BAR UNIT A 02HCASTLEROCK EF
2026CASTLEROCK EF OPERATING LLCY-BAR UNIT A 03HCASTLEROCK EF
2026MAFRIGE STEVENS J TRUSTY-BAR UNIT A 01HCASTLEROCK EF
2026MITHOFF MELISSA ANN MAFRIGE TRY-BAR UNIT A 01HCASTLEROCK EF
2026MITHOFF MELISSA ANN MAFRIGE TRY-BAR UNIT A 02HCASTLEROCK EF
Displaying 8 of 115 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Y-Bar Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-18268Y-BAR UNIT CMay 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CMay 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMay 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMay 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CMay 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMay 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AApr 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AApr 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AApr 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CApr 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CApr 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CApr 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CMar 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CMar 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CMar 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMar 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMar 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AMar 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AFeb 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AFeb 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AFeb 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CFeb 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CFeb 2026DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CFeb 2026CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AJan 2026TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC