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 - Dec 2025
Total Oil Production1,428,970 BBLs
Total Gas Production1,736,787 MCF
Recent Oil Production1,934 BBLs in Nov 2025
Recent Gas Production4,106 MCF in Nov 2025
Wells on Property7

Our Valuation Estimates for Tom-Smith Unit A

ShaleAssessment

$113,639 *

MarketMultiple

$340,519 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Tom-Smith Unit A
from Oct 2014 to Dec 2025

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, TX383 BBLs133 MCFDec 2025
Anthony West UnitAtascosa County, TX309 BBLs161 MCFDec 2025
Bros UnitAtascosa County, TX1,898 BBLs12,762 MCFDec 2025
Giese UnitAtascosa County, TX2,509 BBLs1,421 MCFDec 2025
Henke UnitAtascosa County, TX2,510 BBLs8,828 MCFDec 2025
Henke-Wilhelm UnitAtascosa County, TX2,687 BBLs1,668 MCFDec 2025
John Jr UnitAtascosa County, TX317 BBLs482 MCFDec 2025
JTN UnitAtascosa County, TX563 BBLs71 MCFDec 2025
May GirlsAtascosa County, TX4,902 BBLs4,634 MCFDec 2025
May Girls-Chapman UnitAtascosa County, TX0 BBLs0 MCFDec 2025
May-ChapmanAtascosa County, TX2,160 BBLs916 MCFDec 2025
Net-BrosAtascosa County, TX1,203 BBLs1,375 MCFDec 2025
Pat UnitAtascosa County, TX522 BBLs852 MCFDec 2025
R May A-May Girls Chapman Sa2Atascosa County, TX13,824 BBLs19,351 MCFDec 2025
R May A-Schroeder Chapman Sa1Atascosa County, TX15,924 BBLs18,774 MCFDec 2025
R. MayAtascosa County, TX15,735 BBLs12,810 MCFDec 2025
Retzloff-Chapman UnitLive Oak County, TX682 BBLs130 MCFDec 2025
Schroeder-Chapman UnitAtascosa County, TX1,336 BBLs1,855 MCFDec 2025
W. Smith B-A-MCS PsaAtascosa County, TX775 BBLs287 MCFDec 2025
Wilhelm-Smith UnitAtascosa County, TX2,605 BBLs1,924 MCFDec 2025

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 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