Tom-Smith Unit A

Oil & Gas Property in Atascosa County, TX

Property Summary

Key data points for Tom-Smith Unit A

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesOct 2014 - Jan 2026
Total Oil Production1,430,926 BBLs
Total Gas Production1,740,873 MCF
Recent Oil Production954 BBLs in Dec 2025
Recent Gas Production2,999 MCF in Dec 2025
Wells on Property7

Our Valuation Estimates for Tom-Smith Unit A

ShaleAssessment

$112,327 *

MarketMultiple

$281,366 **

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

Based on a decimal interest

Tom-Smith Unit A Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Tom-Smith Unit A
from Oct 2014 to Jan 2026

Wells on Tom-Smith Unit A

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34871TOM-SMITH UNIT A 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.722206-98.225608
42-013-34872TOM-SMITH UNIT A 4HMARATHON OIL EF LLCHorizontal Well Surface LocatioAtascosa County, TX28.722148-98.225677
42-013-34873TOM-SMITH UNIT A 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.722094-98.225746
42-013-34992TOM-SMITH UNIT A 6HMARATHON OIL EF LLCProducingAtascosa County, TX28.722260-98.225536
42-013-35343TOM-SMITH UNIT A 2HMARATHON OIL EF LLCProducingAtascosa County, TX28.723531-98.223894
42-013-35344TOM-SMITH UNIT A 1HMARATHON OIL EF LLCProducingAtascosa County, TX28.723587-98.223827
42-013-35709TOM-SMITH UNIT A 7HMARATHON OIL EF LLCProducingAtascosa County, TX28.723642-98.223747

Leases included in Tom-Smith Unit A

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17689TOM-SMITH UNIT AMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

These are the closest 20 properties to the Tom-Smith Unit A property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Anthony East Unit 1Atascosa County, TX381 BBLs115 MCFJan 2026
Anthony West UnitAtascosa County, TX358 BBLs144 MCFJan 2026
BLT UnitAtascosa County, TX299 BBLs74 MCFJan 2026
Bros UnitAtascosa County, TX1,895 BBLs9,738 MCFJan 2026
Giese UnitAtascosa County, TX2,946 BBLs1,659 MCFJan 2026
Henke UnitAtascosa County, TX3,265 BBLs2,994 MCFJan 2026
Henke-Wilhelm UnitAtascosa County, TX2,870 BBLs1,848 MCFJan 2026
John Jr UnitAtascosa County, TX330 BBLs276 MCFJan 2026
JTN UnitAtascosa County, TX664 BBLs27 MCFJan 2026
May GirlsAtascosa County, TX4,423 BBLs4,335 MCFJan 2026
May Girls-Chapman UnitAtascosa County, TX13 BBLs1 MCFDec 2025
May-ChapmanAtascosa County, TX1,535 BBLs580 MCFJan 2026
Net-BrosAtascosa County, TX1,336 BBLs3,655 MCFJan 2026
Pat UnitAtascosa County, TX730 BBLs667 MCFJan 2026
R May A-May Girls Chapman Sa2Atascosa County, TX17,815 BBLs30,352 MCFJan 2026
R May A-Schroeder Chapman Sa1Atascosa County, TX18,364 BBLs32,681 MCFJan 2026
Retzloff-Chapman UnitLive Oak County, TX434 BBLs493 MCFJan 2026
Schroeder-Chapman UnitAtascosa County, TX2,572 BBLs2,301 MCFJan 2026
W. Smith B-A-MCS PsaAtascosa County, TX680 BBLs2,222 MCFDec 2025
Wilhelm-Smith UnitAtascosa County, TX1,714 BBLs636 MCFJan 2026

Frac'ing activity on Tom-Smith Unit A

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34871Tom Smith A 3H
42-013-34873Tom Smith A 5H
42-013-34992Tom Smith A 6H
42-013-35343Tom Smith Unit A 2H
42-013-35344Tom Smith Unit A 1H
42-013-35709Tom Smith Unit A 7H

Owners of Tom-Smith Unit A

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCTOM-SMITH UNIT AMARATHON OIL EF LLC
2025JLT O&G LPTOM-SMITH UNIT AMARATHON OIL EF LLC
2025MCS MINERALS LTD AGMT DTD 6-14-99TOM-SMITH UNIT AMARATHON OIL EF LLC
2025MCS CHARITABLE FOUNDATIONTOM-SMITH UNIT AMARATHON OIL EF LLC
2025WALKER ANNETTE KAYTOM-SMITH UNIT AMARATHON OIL EF LLC
2025EAGLE FORD AUSTIN INTERESTS LPTOM-SMITH UNIT AMARATHON OIL EF LLC
2025AMBER HARVEST LLCTOM-SMITH UNIT AMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES (USA) INCTOM-SMITH UNIT AMARATHON OIL EF LLC
Displaying 8 of 27 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Tom-Smith Unit A

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17689TOM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ANov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ANov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ASep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ASep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJul 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJul 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJul 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY