Barnhart (Ef)-J.M. Preston Sa

Oil & Gas Property in Gonzales County, TX

Property Summary

Key data points for Barnhart (Ef)-J.M. Preston Sa

CountyGonzales County, TX
OperatorMARATHON OIL EF LLC
Production DatesAug 2023 - Nov 2025
Total Oil Production479,595 BBLs
Total Gas Production690,088 MCF
Recent Oil Production4,587 BBLs in Oct 2025
Recent Gas Production5,607 MCF in Oct 2025
Wells on Property3

Our Valuation Estimates for Barnhart (Ef)-J.M. Preston Sa

ShaleAssessment

Not Available

MarketMultiple

$709,161 **

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

Based on a decimal interest

Barnhart (Ef)-J.M. Preston Sa Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Barnhart (Ef)-J.M. Preston Sa
from Aug 2023 to Nov 2025

Wells on Barnhart (Ef)-J.M. Preston Sa

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-177-34596BARNHART (EF)-J.M. PRESTON SA7 45HMARATHON OIL EF LLCProducingGonzales County, TX29.259813-97.472643
42-177-34597BARNHART (EF)-J.M. PRESTON SA8 46HMARATHON OIL EF LLCProducingGonzales County, TX29.259761-97.472694
42-177-34598BARNHART (EF)-J.M. PRESTON SA9 47HMARATHON OIL EF LLCProducingGonzales County, TX29.259709-97.472748

Leases included in Barnhart (Ef)-J.M. Preston Sa

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-21149BARNHART (EF)-J.M. PRESTON SA8MARATHON OIL EF LLCGonzales County, TX
01-21156BARNHART (EF)-J.M. PRESTON SA9MARATHON OIL EF LLCGonzales County, TX
01-21158BARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLCGonzales County, TX

Nearby Properties

These are the closest 20 properties to the Barnhart (Ef)-J.M. Preston Sa property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
ArchesGonzales County, TX8,637 BBLs20,799 MCFNov 2025
BarnhartGonzales County, TX237,581 BBLs264,491 MCFNov 2025
Barnhart (Ef) 2H UnitGonzales County, TX4,963 BBLs1,707 MCFNov 2025
Barnhart (Ef) H Unit SaGonzales County, TX8,686 BBLs6,838 MCFNov 2025
Barnhart Grand F Unit-E Unit SaGonzales County, TX12,288 BBLs6,465 MCFNov 2025
Brown A UnitDeWitt County, TX1,899 BBLs5,012 MCFNov 2025
FarnerGonzales County, TX1,637 BBLs8,233 MCFNov 2025
Gill Trust UnitGonzales County, TX1,221 BBLs7,517 MCFNov 2025
J.M. Preston UnitGonzales County, TX3,592 BBLs9,540 MCFNov 2025
Lord A UnitGonzales County, TX244 BBLs200 MCFNov 2025
Lord C UnitGonzales County, TX2,148 BBLs5,488 MCFNov 2025
PinnaclesGonzales County, TX1,507 BBLs5,167 MCFNov 2025
PrestonGonzales County, TX2,101 BBLs4,442 MCFNov 2025
ShenandoahGonzales County, TX9,115 BBLs31,393 MCFNov 2025
Spahn Farms UnitGonzales County, TX2,180 BBLs5,301 MCFNov 2025
Sweet UnitGonzales County, TX199 BBLs1,535 MCFNov 2025
Tull UnitGonzales County, TX310 BBLs587 MCFNov 2025
WalkerGonzales County, TX1,503 BBLs8,510 MCFNov 2025
Wilde Trust UnitGonzales County, TX2,577 BBLs7,634 MCFNov 2025
ZionGonzales County, TX1,257 BBLs5,250 MCFNov 2025

Frac'ing activity on Barnhart (Ef)-J.M. Preston Sa

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-177-34596BARNHART EF-JM PRESTON SA7 45H
42-177-34597BARNHART EF-JM PRESTON SA8 46H
42-177-34598BARNHART EF-JM PRESTON SA9 47H

Owners of Barnhart (Ef)-J.M. Preston Sa

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCBARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLC
2025MARATHON OIL EF LLCBARNHART (EF)-J.M. PRESTON SA8MARATHON OIL EF LLC
2025MARATHON OIL EF LLCBARNHART (EF)-J.M. PRESTON SA9MARATHON OIL EF LLC
2025BARNHART RANCH MINERALS LPBARNHART (EF)-J.M. PRESTON SA9MARATHON OIL EF LLC
2025BARNHART RANCH MINERALS LPBARNHART (EF)-J.M. PRESTON SA8MARATHON OIL EF LLC
2025BARNHART RANCH MINERALS LPBARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLC
2025CAMPBELL JUDY P TRUSTBARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLC
2025PRESTON JOHN MORGAN TRUSTBARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLC
Displaying 8 of 36 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Barnhart (Ef)-J.M. Preston Sa

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-21149BARNHART (EF)-J.M. PRESTON SA8Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Nov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Nov 2025ENTERPRISE PRODUCTS OPERATING LLCCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Nov 2025ENTERPRISE PRODUCTS OPERATING LLCCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Nov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Nov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Nov 2025ENTERPRISE PRODUCTS OPERATING LLCCONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Oct 2025ENTERPRISE PRODUCTS OPERATING LLCCONOCOPHILLIPS COMPANY
01-21156BARNHART (EF)-J.M. PRESTON SA9Oct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Oct 2025ENTERPRISE PRODUCTS OPERATING LLCCONOCOPHILLIPS COMPANY
01-21149BARNHART (EF)-J.M. PRESTON SA8Oct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
01-21158BARNHART (EF)-J.M. PRESTON SA7Oct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY