Wilhelm-Smith Unit

Oil & Gas Property in Atascosa County, TX

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

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Property Summary

Key data points for Wilhelm-Smith Unit

CountyAtascosa County, TX
OperatorMARATHON OIL EF LLC
Production DatesDec 2012 - Dec 2025
Total Oil Production2,226,509 BBLs
Total Gas Production2,513,947 MCF
Recent Oil Production2,605 BBLs in Nov 2025
Recent Gas Production1,924 MCF in Nov 2025
Wells on Property10

Our Valuation Estimates for Wilhelm-Smith Unit

ShaleAssessment™

Not Available

MarketMultiple™

$314,183 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

Wilhelm-Smith Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Wilhelm-Smith Unit
from Dec 2012 to Dec 2025

Wells on Wilhelm-Smith Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-013-34561WILHELM-SMITH UNIT A 1HMARATHON OIL EF LLCShut InAtascosa County, TX28.735880-98.214172
42-013-34562WILHELM-SMITH UNIT A 2HMARATHON OIL EF LLCProducingAtascosa County, TX28.735898-98.214227
42-013-34563WILHELM-SMITH UNIT A 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.735883-98.214330
42-013-34564WILHELM-SMITH UNIT A 4HMARATHON OIL EF LLCProducingAtascosa County, TX28.735884-98.214408
42-013-34674WILHELM SMITH UNIT B 1HMARATHON OIL EF LLCProducingAtascosa County, TX28.728718-98.215011
42-013-34679WILHELM SMITH UNIT B 2HMARATHON OIL EF LLCShut InAtascosa County, TX28.728668-98.215276
42-013-35514WILHELM SMITH UNIT B 3HMARATHON OIL EF LLCProducingAtascosa County, TX28.729123-98.215958
42-013-35515WILHELM SMITH UNIT B 4HMARATHON OIL EF LLCProducingAtascosa County, TX28.729414-98.216361
42-013-35516WILHELM SMITH UNIT B 5HMARATHON OIL EF LLCProducingAtascosa County, TX28.729192-98.216131
42-013-35713WILHELM SMITH UNIT B 6HMARATHON OIL EF LLCProducingAtascosa County, TX28.723703-98.223675

Leases included in Wilhelm-Smith Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-16354WILHELM-SMITH UNIT AMARATHON OIL EF LLCAtascosa County, TX
02-10530WILHELM SMITH UNIT BMARATHON OIL EF LLCAtascosa County, TX

Nearby Properties

These are the closest 20 properties to the Wilhelm-Smith Unit 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
Esse-Smith Ranch UnitAtascosa County, TX2,556 BBLs1,255 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
MCS FoundationAtascosa County, TX49,407 BBLs58,558 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
Retzloff-Chapman UnitLive Oak County, TX682 BBLs130 MCFDec 2025
Schroeder-Chapman UnitAtascosa County, TX1,336 BBLs1,855 MCFDec 2025
Tom Family UnitAtascosa County, TX4,947 BBLs5,896 MCFDec 2025
Tom-Smith Unit AAtascosa County, TX1,934 BBLs4,106 MCFDec 2025
W. Smith B-A-MCS PsaAtascosa County, TX775 BBLs287 MCFDec 2025

Companies in the Area

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

Company Name
Aggietech Oil, LTD.
Burlington Resources Oil & Gas Company LP
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
Pioneer Natural Res. USA, Inc.
Rollert Co., Inc., The
Sea Eagle Ford, LLC
Silverbow Resources Oper, LLC
Somex Energy Company
Tidal Petroleum, Inc.
Venus Oil Company
Verdun Oil & Gas LLC
XTO Energy Inc.

Frac'ing activity on Wilhelm-Smith Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-013-34561Wilhelm Smith A 1H
42-013-34562Wilhelm Smith A 3H
42-013-34564Wilhelm Smith A 4H
42-013-34674Wilhelm Smith B 1H
42-013-34679Wilhelm Smith B 2H
42-013-35514Wilhelm-Smith Unit B 3H
42-013-35515Wilhelm-Smith Unit B 4H
42-013-35516Wilhelm-Smith Unit B 5H
42-013-35713Wilhelm Smith B 6H

Owners of Wilhelm-Smith Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025MCS MINERALS LTDWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025JLT O&G LPWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025MCS CHARITABLE FOUNDATIONWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025RETZLOFF FAMILY LTD PTRWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025WALKER ANNETTE KAYWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025AMBER HARVEST LLCWILHELM SMITH UNIT BMARATHON OIL EF LLC
2025MARATHON OIL EF LLCWILHELM-SMITH UNIT AMARATHON OIL EF LLC
Displaying 8 of 68 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Wilhelm-Smith Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-16354WILHELM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ANov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ANov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ANov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT AOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT AOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT AOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT AOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ASep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ASep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ASep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY