Tom-Smith Unit A

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 A Oil & Gas Property

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Property Summary

Key data points for Tom-Smith Unit A

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesOct 2014 - Jun 2026
Total Oil Production1,438,281 BBLs
Total Gas Production1,756,151 MCF
Recent Oil Production4,409 BBLs in May 2026
Recent Gas Production6,434 MCF in May 2026
Wells on Property7

Our Valuation Estimates for Tom-Smith Unit A

ShaleAssessment™

$105,511 *

MarketMultiple™

$249,779 **

* 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 Jun 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
Anthony East Unit 1Atascosa County, TX442 BBLs44 MCFJun 2026
Anthony West UnitAtascosa County, TX367 BBLs171 MCFJun 2026
Bros UnitAtascosa County, TX1,581 BBLs9,856 MCFJun 2026
Esse-Smith Ranch UnitAtascosa County, TX2,294 BBLs1,246 MCFJun 2026
Giese UnitAtascosa County, TX1,434 BBLs1,591 MCFJun 2026
Henke UnitAtascosa County, TX6,046 BBLs7,059 MCFJun 2026
Henke-Wilhelm UnitAtascosa County, TX2,104 BBLs2,239 MCFJun 2026
May GirlsAtascosa County, TX19 BBLs107 MCFJun 2026
May Girls-Chapman UnitAtascosa County, TX0 BBLs0 MCFJun 2026
May-ChapmanAtascosa County, TX3,844 BBLs4,513 MCFJun 2026
Nancy EdmundAtascosa County, TX3,396 BBLs6,364 MCFJun 2026
Net-BrosAtascosa County, TX984 BBLs754 MCFJun 2026
Pat UnitAtascosa County, TX538 BBLs1,028 MCFJun 2026
R May A-May Girls Chapman Sa2Atascosa County, TX9,523 BBLs18,501 MCFJun 2026
R May A-Schroeder Chapman Sa1Atascosa County, TX7,702 BBLs12,406 MCFJun 2026
R. MayAtascosa County, TX13,887 BBLs15,738 MCFJun 2026
Retzloff-Chapman UnitLive Oak County, TX114 BBLs329 MCFJun 2026
Schroeder-Chapman UnitAtascosa County, TX2,727 BBLs2,709 MCFJun 2026
Tom-Smith UnitAtascosa County, TX19,332 BBLs19,409 MCFJun 2026
Wilhelm-Smith UnitAtascosa County, TX3,892 BBLs3,369 MCFJun 2026

Companies in the Area

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

Company Name
Aggietech Oil, LTD.
Burlington Resources Oil & Gas Company LP
Chevron USA Inc
Crescent Energy Operating, LLC
Enserch Exploration Inc
EOG Resources Inc
Marathon Oil Ef LLC
Miller, W. C. Operating Company
Murphy Expl. & Prod. Co. - USA
Pioneer Natural Res. USA, Inc.
Rollert Co., Inc., The
Sea Eagle Ford, LLC
Silverbow Resources Oper, LLC
Teal Operating, LLC
Texoil Ventures LLC
Tidal Petroleum, Inc.
Venus Oil Company
Verdun Oil & Gas LLC
Warwick-Artemis, LLC
XTO Energy Inc.

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
2026MARATHON OIL EF LLCTOM-SMITH UNIT AMARATHON OIL EF LLC
2026JLT O&G LPTOM-SMITH UNIT AMARATHON OIL EF LLC
2026MCS MINERALS LTD AGMT DTD 6-14-99TOM-SMITH UNIT AMARATHON OIL EF LLC
2026MCS CHARITABLE FOUNDATIONTOM-SMITH UNIT AMARATHON OIL EF LLC
2026WALKER ANNETTE KAYTOM-SMITH UNIT AMARATHON OIL EF LLC
2026AMBER HARVEST LLCTOM-SMITH UNIT AMARATHON OIL EF LLC
2026EAGLE FORD AUSTIN INTERESTS LPTOM-SMITH UNIT AMARATHON OIL EF LLC
2026FREEHOLD ROYALTIES (USA) INCTOM-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 AJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AApr 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AApr 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AApr 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AApr 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AApr 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMar 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMar 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17689TOM-SMITH UNIT AMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
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