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 - Apr 2026
Total Oil Production1,889,878 BBLs
Total Gas Production1,581,666 MCF
Recent Oil Production18,638 BBLs in Mar 2026
Recent Gas Production12,931 MCF in Mar 2026
Wells on Property14

Our Valuation Estimates for Tom-Smith Unit

ShaleAssessment™

Not Available

MarketMultiple™

$1,966,749 **

* 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 Apr 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 LLCProducingAtascosa County, TX28.756539-98.251746
42-013-35904TOM-SMITH UNIT C 4HMARATHON OIL EF LLCProducingAtascosa 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 BBLs304 MCFApr 2026
BLT UnitAtascosa County, TX364 BBLs63 MCFApr 2026
Bros UnitAtascosa County, TX1,801 BBLs5,789 MCFApr 2026
Giese UnitAtascosa County, TX3,008 BBLs3,121 MCFApr 2026
Lytle UnitAtascosa County, TX482 BBLs120 MCFApr 2026
MCS FoundationAtascosa County, TX30,285 BBLs47,126 MCFApr 2026
Moursund UnitAtascosa County, TX434 BBLs106 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
Post OakAtascosa County, TX4,454 BBLs2,803 MCFApr 2026
QuailAtascosa County, TX32,967 BBLs34,460 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
RLT UnitAtascosa County, TX2,198 BBLs3,185 MCFApr 2026
S & H TrustAtascosa County, TX947 BBLs353 MCFApr 2026
Smith Mary CarolAtascosa County, TX0 BBLs1,943 MCFApr 2026
Tom-Smith Unit AAtascosa County, TX1,530 BBLs2,578 MCFApr 2026
WalnutAtascosa County, TX2,897 BBLs3,048 MCFApr 2026
Wilhelm-Smith UnitAtascosa County, TX1,282 BBLs1,445 MCFApr 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
Crescent Energy Operating, LLC
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
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
01-20500TOM-SMITH UNIT CMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BFeb 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BFeb 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CFeb 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CFeb 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-20500TOM-SMITH UNIT CJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BDec 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-18809TOM-SMITH UNIT BDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY