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 - Jan 2026
Total Oil Production488,881 BBLs
Total Gas Production704,135 MCF
Recent Oil Production4,808 BBLs in Dec 2025
Recent Gas Production6,194 MCF in Dec 2025
Wells on Property3

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

ShaleAssessment

Not Available

MarketMultiple

$652,894 **

* 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 Jan 2026

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, TX8,502 BBLs19,033 MCFJan 2026
BarnhartGonzales County, TX218,413 BBLs240,820 MCFJan 2026
Barnhart (Ef) 2H UnitGonzales County, TX5,601 BBLs4,617 MCFJan 2026
Barnhart (Ef) F Unit-A Unit SaGonzales County, TX2,103 BBLs4,061 MCFJan 2026
Barnhart (Ef) H Unit SaGonzales County, TX8,405 BBLs5,109 MCFJan 2026
Barnhart Grand F Unit-E Unit SaGonzales County, TX2,300 BBLs5,055 MCFJan 2026
Brown A UnitDeWitt County, TX1,494 BBLs2,756 MCFJan 2026
FarnerGonzales County, TX1,389 BBLs5,580 MCFJan 2026
Gill Trust UnitGonzales County, TX1,301 BBLs8,226 MCFJan 2026
J.M. Preston UnitGonzales County, TX3,645 BBLs7,144 MCFJan 2026
Lord A UnitGonzales County, TX341 BBLs327 MCFJan 2026
Lord C UnitGonzales County, TX2,136 BBLs5,195 MCFJan 2026
PinnaclesGonzales County, TX1,508 BBLs5,288 MCFJan 2026
PrestonGonzales County, TX2,090 BBLs3,653 MCFJan 2026
ShenandoahGonzales County, TX10,302 BBLs38,178 MCFJan 2026
Spahn Farms UnitGonzales County, TX2,026 BBLs4,016 MCFJan 2026
Sweet UnitGonzales County, TX299 BBLs1,552 MCFJan 2026
WalkerGonzales County, TX1,379 BBLs6,247 MCFJan 2026
Wilde Trust UnitGonzales County, TX2,580 BBLs7,690 MCFJan 2026
ZionGonzales County, TX1,352 BBLs5,424 MCFJan 2026

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
2025PRESTON JOHN MORGAN TRUSTBARNHART (EF)-J.M. PRESTON SA7MARATHON OIL EF LLC
2025CAMPBELL JUDY P 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