Tom-Smith Unit

Oil & Gas Property in Atascosa County, TX

  2. Texas
  3. Atascosa County, TX
  4. Oil & Gas Properties in Atascosa County, TX
  5. Tom-Smith Unit Oil & Gas Property

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Property Summary

Key data points for Tom-Smith Unit

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesMay 2021 - Jan 2026
Total Oil Production1,844,683 BBLs
Total Gas Production1,545,409 MCF
Recent Oil Production21,200 BBLs in Dec 2025
Recent Gas Production16,478 MCF in Dec 2025
Wells on Property14

Our Valuation Estimates for Tom-Smith Unit

ShaleAssessment™

Not Available

MarketMultiple™

$2,384,202 **

* 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 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
from May 2021 to Jan 2026

Wells on Tom-Smith Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-35270TOM-SMITH UNIT B 8HMARATHON OIL EF LLCHorizontal Well Surface LocatioAtascosa County, TX28.752228-98.256902
42-013-35271TOM-SMITH UNIT B 7HMARATHON OIL EF LLCHorizontal Well Surface LocatioAtascosa County, TX28.752281-98.256831
42-013-35273TOM-SMITH UNIT B 6HMARATHON OIL EF LLCProducingAtascosa County, TX28.752330-98.256787
42-013-35274TOM-SMITH UNIT B 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.752384-98.256715
42-013-35744TOM-SMITH UNIT B 7HMARATHON OIL EF LLCProducingAtascosa County, TX28.752280-98.257029
42-013-35745TOM-SMITH UNIT B 8HMARATHON OIL EF LLCProducingAtascosa County, TX28.752230-98.257101
42-013-35818TOM-SMITH UNIT B 2HMARATHON OIL EF LLCProducingAtascosa County, TX28.753080-98.255829
42-013-35819TOM-SMITH UNIT B 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.753036-98.255890
42-013-35859TOM-SMITH UNIT C 7HMARATHON OIL EF LLCProducingAtascosa County, TX28.753310-98.255520
42-013-35860TOM-SMITH UNIT B 1HMARATHON OIL EF LLCProducingAtascosa County, TX28.753258-98.255591
42-013-35903TOM-SMITH UNIT C 3HMARATHON OIL EF LLCShut InAtascosa County, TX28.756539-98.251746
42-013-35904TOM-SMITH UNIT C 4HMARATHON OIL EF LLCShut InAtascosa County, TX28.756545-98.251801
42-013-35905TOM-SMITH UNIT C 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.756365-98.252045
42-013-35906TOM-SMITH UNIT C 6HMARATHON OIL EF LLCProducingAtascosa County, TX28.756316-98.252101

Leases included in Tom-Smith Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-18809TOM-SMITH UNIT BMARATHON OIL EF LLCAtascosa County, TX
01-20500TOM-SMITH UNIT CMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Allen UnitAtascosa County, TX505 BBLs364 MCFJan 2026
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
CraigAtascosa County, TX375 BBLs367 MCFJan 2026
Giese UnitAtascosa County, TX2,946 BBLs1,659 MCFJan 2026
John Jr UnitAtascosa County, TX330 BBLs276 MCFJan 2026
JTN UnitAtascosa County, TX664 BBLs27 MCFJan 2026
Nancy EdmundAtascosa County, TX3,760 BBLs5,035 MCFJan 2026
Net-BrosAtascosa County, TX1,336 BBLs3,655 MCFJan 2026
Pat UnitAtascosa County, TX730 BBLs667 MCFJan 2026
Post OakAtascosa County, TX4,959 BBLs0 MCFJan 2026
QuailAtascosa County, TX39,736 BBLs28,647 MCFJan 2026
RLT UnitAtascosa County, TX3,624 BBLs2,577 MCFJan 2026
Smith Mary CarolAtascosa County, TX0 BBLs205 MCFDec 2025
Tom UnitAtascosa County, TX321 BBLs60 MCFJan 2026
W. Smith B-A-MCS PsaAtascosa County, TX680 BBLs2,222 MCFDec 2025
WalnutAtascosa County, TX3,365 BBLs4,780 MCFJan 2026
Wilhelm-Smith UnitAtascosa County, TX1,714 BBLs636 MCFJan 2026

Companies in the Area

These are the closest 20 companies operating near the Tom-Smith Unit property.

Company Name
Capital Star Oil & Gas, Inc.
Chevron USA Inc
Dorchester Operating Company LLC
Enserch Exploration Inc
EOG Resources Inc
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Miller, W. C. Operating Company
Murphy Expl. & Prod. Co. - USA
Newfield Exploration Company
Reh Energy, Inc.
Rollert Co., Inc., The
Silverbow Resources Oper, LLC
Somex Energy Company
TBM Catarina, LLC
Teal Operating, LLC
Tidal Petroleum, Inc.
Venus Oil Company
Verdun Oil & Gas LLC
XTO Energy Inc.

Frac'ing activity on Tom-Smith Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-35273Tom Smith Unit B 6H
42-013-35274TOM SMITH UNIT B 5H
42-013-35274Tom Smith Unit B 5H
42-013-35744Tom Smith Unit B 7H
42-013-35745Tom Smith Unit B 8H
42-013-35818Tom Smith Unit B 2H
42-013-35819Tom Smith Unit B 3H
42-013-35859Tom Smith Unit C 7H
42-013-35860Tom Smith Unit B 1H
42-013-35903TOM-SMITH UNIT C 3H
42-013-35904TOM-SMITH UNIT C 4H
42-013-35905TOM-SMITH UNIT C 5H
42-013-35906TOM-SMITH UNIT C 6H

Owners of Tom-Smith Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCTOM-SMITH UNIT CMARATHON OIL EF LLC
2025MCS MINERALS LTDTOM-SMITH UNIT CMARATHON OIL EF LLC
2025MARATHON OIL EF LLCTOM-SMITH UNIT BMARATHON OIL EF LLC
2025MCS CHARITABLE FOUNDATIONTOM-SMITH UNIT CMARATHON OIL EF LLC
2025MCS MINERALS LTDTOM-SMITH UNIT BMARATHON OIL EF LLC
2025JLT O&G LPTOM-SMITH UNIT CMARATHON OIL EF LLC
2025MOWINCKLE ANNETTE KAYTOM-SMITH UNIT CMARATHON OIL EF LLC
2025MCS CHARITABLE FOUNDATIONTOM-SMITH UNIT BMARATHON OIL EF LLC
Displaying 8 of 46 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Tom-Smith Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-18809TOM-SMITH UNIT BDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT COct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT COct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT COct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT COct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BSep 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY