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 - Apr 2026
Total Oil Production1,433,501 BBLs
Total Gas Production1,746,964 MCF
Recent Oil Production1,530 BBLs in Mar 2026
Recent Gas Production2,578 MCF in Mar 2026
Wells on Property7

Our Valuation Estimates for Tom-Smith Unit A

ShaleAssessment

$108,291 *

MarketMultiple

$232,097 **

* 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 Apr 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
BLT UnitAtascosa County, TX364 BBLs63 MCFApr 2026
Bros UnitAtascosa County, TX1,801 BBLs5,789 MCFApr 2026
Esse-Retzloff-May-Tom Sa1Atascosa County, TX3,765 BBLs3,558 MCFApr 2026
Esse-Smith Ranch UnitAtascosa County, TX216 BBLs91 MCFApr 2026
Giese UnitAtascosa County, TX3,008 BBLs3,121 MCFApr 2026
Henke UnitAtascosa County, TX1,054 BBLs171 MCFApr 2026
Henke-Wilhelm UnitAtascosa County, TX1,522 BBLs2,033 MCFApr 2026
May GirlsAtascosa County, TX4,201 BBLs3,458 MCFApr 2026
May Girls-Chapman UnitAtascosa County, TX0 BBLs0 MCFDec 2025
May-ChapmanAtascosa County, TX3,548 BBLs6,811 MCFApr 2026
Nancy EdmundAtascosa County, TX3,388 BBLs4,384 MCFApr 2026
Net-BrosAtascosa County, TX1,087 BBLs5,532 MCFApr 2026
Pat UnitAtascosa County, TX580 BBLs504 MCFApr 2026
R May A-May Girls Chapman Sa2Atascosa County, TX14,353 BBLs24,371 MCFApr 2026
R May A-Schroeder Chapman Sa1Atascosa County, TX13,745 BBLs25,471 MCFApr 2026
R. MayAtascosa County, TX20,023 BBLs18,018 MCFApr 2026
Retzloff-Chapman UnitLive Oak County, TX292 BBLs359 MCFApr 2026
Schroeder-Chapman UnitAtascosa County, TX3,376 BBLs2,827 MCFApr 2026
Tom-Smith UnitAtascosa County, TX18,638 BBLs12,931 MCFApr 2026
Wilhelm-Smith UnitAtascosa County, TX1,282 BBLs1,445 MCFApr 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
2025AMBER HARVEST LLCTOM-SMITH UNIT AMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES (USA) INCTOM-SMITH UNIT AMARATHON OIL EF LLC
2025EAGLE FORD AUSTIN INTERESTS LPTOM-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 AMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AFeb 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AFeb 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ADec 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ADec 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
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