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 - Oct 2025
Total Oil Production1,788,107 BBLs
Total Gas Production1,502,891 MCF
Recent Oil Production21,399 BBLs in Sep 2025
Recent Gas Production16,714 MCF in Sep 2025
Wells on Property14

Our Valuation Estimates for Tom-Smith Unit

ShaleAssessment™

Not Available

MarketMultiple™

$3,077,035 **

* 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 Oct 2025

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, TX502 BBLs298 MCFOct 2025
Anthony West UnitAtascosa County, TX349 BBLs276 MCFOct 2025
Bros UnitAtascosa County, TX1,848 BBLs1,780 MCFOct 2025
CraigAtascosa County, TX263 BBLs563 MCFOct 2025
Giese UnitAtascosa County, TX2,434 BBLs2,332 MCFOct 2025
JTN UnitAtascosa County, TX294 BBLs228 MCFOct 2025
Lytle UnitAtascosa County, TX490 BBLs293 MCFOct 2025
Nancy EdmundAtascosa County, TX2,434 BBLs2,866 MCFOct 2025
Net-BrosAtascosa County, TX969 BBLs922 MCFOct 2025
Pat UnitAtascosa County, TX750 BBLs1,235 MCFOct 2025
Post OakAtascosa County, TX4,125 BBLs7,021 MCFSep 2025
QuailAtascosa County, TX46,208 BBLs38,014 MCFOct 2025
R May A-May Girls Chapman Sa2Atascosa County, TX18,201 BBLs19,943 MCFOct 2025
RLT UnitAtascosa County, TX1,383 BBLs2,483 MCFOct 2025
S & H TrustAtascosa County, TX938 BBLs751 MCFOct 2025
Smith Mary CarolAtascosa County, TX0 BBLs309 MCFSep 2025
Tom UnitAtascosa County, TX1,454 BBLs269 MCFOct 2025
Tom-Smith Unit AAtascosa County, TX2,898 BBLs4,190 MCFOct 2025
WalnutAtascosa County, TX3,068 BBLs5,316 MCFOct 2025
Wilhelm-Smith UnitAtascosa County, TX2,157 BBLs3,581 MCFOct 2025

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 BApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025MARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CMar 2025MARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025MARATHON OIL EF LLC
01-18809TOM-SMITH UNIT BFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
01-20500TOM-SMITH UNIT CFeb 2025MARATHON OIL EF LLC