Y-Bar Unit

Oil & Gas Property in McMullen County, TX

Property Summary

Key data points for Y-Bar Unit

CountyMcMullen County, TX
Production DatesSep 2014 - Jan 2026
Total Oil Production547,073 BBLs
Total Gas Production580,175 MCF
Recent Oil Production1,847 BBLs in Dec 2025
Recent Gas Production2,729 MCF in Dec 2025
Wells on Property7

Our Valuation Estimates for Y-Bar Unit

ShaleAssessment

$71,845 *

MarketMultiple

$142,904 **

* 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 Jan 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, TX28,817 BBLs19,646 MCFJan 2026
BreckenridgeLa Salle County, TX14,002 BBLs15,573 MCFJan 2026
Buffett Ybar UnitLa Salle County, TX384 BBLs233 MCFJan 2026
Cactus Rose UnitMcMullen County, TX520 BBLs419 MCFJan 2026
CarlsonMcMullen County, TX2,294 BBLs2,585 MCFJan 2026
CRX YbarLa Salle County, TX14,098 BBLs21,713 MCFJan 2026
CRX YbarMcMullen County, TX10,803 BBLs22,044 MCFJan 2026
Donnell Lowe PastureMcMullen County, TX35,420 BBLs18,768 MCFJan 2026
KeystoneLa Salle County, TX17,243 BBLs25,495 MCFJan 2026
Lowe BrightonMcMullen County, TX16,478 BBLs12,125 MCFJan 2026
Lowe Pasture AMcMullen County, TX835 BBLs604 MCFJan 2026
Melon UnitLa Salle County, TX659 BBLs707 MCFJan 2026
MillerMcMullen County, TX18,495 BBLs28,578 MCFJan 2026
OliveiraMcMullen County, TX5,733 BBLs6,581 MCFJan 2026
Prince MCMMcMullen County, TX17,320 BBLs26,242 MCFJan 2026
RNR YbarLa Salle County, TX872 BBLs1,194 MCFJan 2026
Stephen YbarMcMullen County, TX1,090 BBLs815 MCFJan 2026
Y BarLa Salle County, TX20,885 BBLs26,637 MCFJan 2026
Y-Bar EastMcMullen County, TX0 BBLs0 MCFSep 2024
Y-Bar WestLa Salle County, TX10 BBLs89 MCFJan 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
2025CASTLEROCK EF OPERATING LLCY-BAR UNIT C 1H 2HCASTLEROCK EF
2025Y BAR MINERALS LTDY-BAR UNIT C 1H 2HCASTLEROCK EF
2025CASTLEROCK EF OPERATING LLCY-BAR UNIT A 02HCASTLEROCK EF
2025CASTLEROCK EF OPERATING LLCY-BAR UNIT A 01HCASTLEROCK EF
2025CASTLEROCK EF OPERATING LLCY-BAR UNIT A 03HCASTLEROCK EF
2025KELLER JAMES MCNEELY-BAR UNIT C 1H 2HCASTLEROCK EF
2025KELLER KATIE ADAMSY-BAR UNIT C 1H 2HCASTLEROCK EF
2025HOUGHTON VIRGINIA WOODWARD ESTY-BAR UNIT C 1H 2HCASTLEROCK 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 CNov 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ANov 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ANov 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CNov 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ANov 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CNov 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT COct 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AOct 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AOct 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT COct 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT COct 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AOct 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ASep 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ASep 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT ASep 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CSep 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CSep 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CSep 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AAug 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AAug 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CAug 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CAug 2025DCP OPERATING COMPANY, LPCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CAug 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC
01-17978Y-BAR UNIT AAug 2025TARGA MIDSTREAM SERVICES LLCCASTLEROCK EF OPERATING LLC
01-18268Y-BAR UNIT CJul 2025CASTLEROCK EF OPERATING LLCCASTLEROCK EF OPERATING LLC