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 - Oct 2025
Total Oil Production475,421 BBLs
Total Gas Production684,301 MCF
Recent Oil Production5,162 BBLs in Sep 2025
Recent Gas Production7,756 MCF in Sep 2025
Wells on Property3

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

ShaleAssessment

Not Available

MarketMultiple

$838,888 **

* 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 Oct 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, TX8,554 BBLs20,301 MCFOct 2025
BarnhartGonzales County, TX12,456 BBLs6,419 MCFNov 2025
Barnhart (Ef) 2H UnitGonzales County, TX1,758 BBLs1,979 MCFOct 2025
Barnhart (Ef) F Unit-A Unit SaGonzales County, TX763 BBLs2,454 MCFOct 2025
Barnhart (Ef) H Unit SaGonzales County, TX9,672 BBLs11,161 MCFOct 2025
Barnhart Grand F Unit-E Unit SaGonzales County, TX3,963 BBLs5,406 MCFOct 2025
Brown A UnitDeWitt County, TX1,663 BBLs2,821 MCFOct 2025
Gill Trust UnitGonzales County, TX1,100 BBLs7,107 MCFOct 2025
J.M. Preston UnitGonzales County, TX3,534 BBLs9,340 MCFOct 2025
Lord A UnitGonzales County, TX404 BBLs114 MCFOct 2025
Lord C UnitGonzales County, TX2,087 BBLs5,149 MCFOct 2025
PinnaclesGonzales County, TX1,565 BBLs5,016 MCFOct 2025
PrestonGonzales County, TX1,942 BBLs4,394 MCFOct 2025
ShenandoahGonzales County, TX10,478 BBLs36,236 MCFOct 2025
Spahn Farms UnitGonzales County, TX1,776 BBLs5,039 MCFOct 2025
Sweet UnitGonzales County, TX236 BBLs1,562 MCFOct 2025
Tull UnitGonzales County, TX309 BBLs586 MCFOct 2025
WalkerGonzales County, TX1,466 BBLs8,312 MCFOct 2025
Wilde Trust UnitGonzales County, TX2,386 BBLs7,305 MCFOct 2025
ZionGonzales County, TX1,149 BBLs5,090 MCFOct 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
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