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 - Apr 2026
Total Oil Production2,233,390 BBLs
Total Gas Production2,520,751 MCF
Recent Oil Production1,282 BBLs in Mar 2026
Recent Gas Production1,445 MCF in Mar 2026
Wells on Property10

Our Valuation Estimates for Wilhelm-Smith Unit

ShaleAssessment™

Not Available

MarketMultiple™

$248,061 **

* 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 Apr 2026

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 LLCProducingAtascosa 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 LLCShut InAtascosa 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
BLT UnitAtascosa County, TX364 BBLs63 MCFApr 2026
Bros UnitAtascosa County, TX1,801 BBLs5,789 MCFApr 2026
Esse-Smith Ranch UnitAtascosa County, TX216 BBLs91 MCFApr 2026
Giese UnitAtascosa County, TX3,008 BBLs3,121 MCFApr 2026
Henke UnitAtascosa County, TX1,054 BBLs171 MCFApr 2026
Henke-Wilhelm UnitAtascosa County, TX1,522 BBLs2,033 MCFApr 2026
May GirlsAtascosa County, TX4,201 BBLs3,458 MCFApr 2026
May Girls-Chapman UnitAtascosa County, TX0 BBLs0 MCFDec 2025
MCS FoundationAtascosa County, TX30,285 BBLs47,126 MCFApr 2026
Net-BrosAtascosa County, TX1,087 BBLs5,532 MCFApr 2026
Pat UnitAtascosa County, TX580 BBLs504 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
Retzloff-Chapman UnitLive Oak County, TX292 BBLs359 MCFApr 2026
Retzloff-MayAtascosa County, TX7,505 BBLs13,694 MCFApr 2026
Retzloff-TomAtascosa County, TX4,472 BBLs5,344 MCFApr 2026
Schroeder-Chapman UnitAtascosa County, TX3,376 BBLs2,827 MCFApr 2026
Tom Family UnitAtascosa County, TX3,380 BBLs5,632 MCFApr 2026
Tom Family-Retzloff SaAtascosa County, TX4,988 BBLs3,156 MCFApr 2026
Tom-Smith Unit AAtascosa County, TX1,530 BBLs2,578 MCFApr 2026

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
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
Pioneer Natural Res. USA, Inc.
Rollert Co., Inc., The
Sea Eagle Ford, LLC
Texoil Ventures LLC
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 AMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BFeb 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BFeb 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT AJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ADec 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ADec 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-16354WILHELM-SMITH UNIT ADec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BDec 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10530WILHELM SMITH UNIT BDec 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS 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