Spahn-Mikkelson Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Spahn-Mikkelson Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesMay 2012 - Oct 2025
Total Oil Production992,773 BBLs
Total Gas Production1,467,561 MCF
Recent Oil Production2,844 BBLs in Sep 2025
Recent Gas Production1,517 MCF in Sep 2025
Wells on Property4

Our Valuation Estimates for Spahn-Mikkelson Unit

ShaleAssessment

$37,873 *

MarketMultiple

$203,240 **

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

Based on a decimal interest

Spahn-Mikkelson Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Spahn-Mikkelson Unit
from May 2012 to Oct 2025

Wells on Spahn-Mikkelson Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32408SPAHN-MIKKELSON UNIT 1HMARATHON OIL EF LLCProducingKarnes County, TX28.872831-97.927820
42-255-32551SPAHN-MIKKELSON UNIT 2HMARATHON OIL EF LLCShut InKarnes County, TX28.883353-97.939711
42-255-36375SPAHN-MIKKELSON UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.883907-97.937915
42-255-36376SPAHN-MIKKELSON UNIT 503HMARATHON OIL EF LLCProducingKarnes County, TX28.883664-97.937708

Leases included in Spahn-Mikkelson Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10060SPAHN-MIKKELSON UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

These are the closest 20 properties to the Spahn-Mikkelson Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Carter UnitKarnes County, TX2,619 BBLs3,238 MCFOct 2025
Egbert UnitKarnes County, TX5,731 BBLs10,521 MCFOct 2025
Kempe-Laubach UnitKarnes County, TX3,186 BBLs4,314 MCFOct 2025
McCoy EgbertKarnes County, TX9,968 BBLs21,630 MCFOct 2025
McCoy-Egbert-Carter Unit Sa1Karnes County, TX4,353 BBLs10,458 MCFOct 2025
Mikkelson-WitteKarnes County, TX4,325 BBLs8,738 MCFOct 2025
Rippstein-Gotthardt UnitKarnes County, TX6,863 BBLs5,771 MCFOct 2025
Rippstein-Hons Rafter SaKarnes County, TX23,059 BBLs48,815 MCFOct 2025
Rippstein-MikkelsonKarnes County, TX4,047 BBLs7,978 MCFOct 2025
Rogers UnitKarnes County, TX867 BBLs822 MCFOct 2025
Rogers-McCoy Egbert SaKarnes County, TX2,347 BBLs2,481 MCFOct 2025
S.Busselman-R.Mikkelson SaKarnes County, TX1,149 BBLs1,374 MCFOct 2025
Salge UnitKarnes County, TX1,776 BBLs4,024 MCFOct 2025
Salge-Busselman UnitKarnes County, TX3,297 BBLs4,631 MCFOct 2025
Salge-Egbert Miller (Sa)Karnes County, TX534 BBLs260 MCFOct 2025
Salge-Kinkler-Busselman AlcKarnes County, TX1,485 BBLs5,810 MCFOct 2025
Salge-Yanta SaKarnes County, TX1,339 BBLs2,723 MCFOct 2025
Witte-Mikkelson UnitKarnes County, TX1,149 BBLs4,153 MCFOct 2025
Y. Witte-K.Laubach PsaKarnes County, TX289 BBLs357 MCFOct 2025
Yosko Witte UnitKarnes County, TX0 BBLs0 MCFAug 2025

Frac'ing activity on Spahn-Mikkelson Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32408Spahn Mikkelson 1H
42-255-32551Spahn Mikkelson 2H
42-255-36375Spahn Mikkelson 3H
42-255-36376Spahn Mikkelson 503H

Owners of Spahn-Mikkelson Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025SPAHN CLIFFORD M & BECKYSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025DICKENS SANDRA ERLERSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025MIKKELSON KATHLENE KAISERSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025AMBER HARVEST LLCSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025EAGLE FORD AUSTIN INTERESTS LPSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025NINE CANYON INTERESTS LPSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
Displaying 8 of 16 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Spahn-Mikkelson Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10060SPAHN-MIKKELSON UNITApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITApr 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025MARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025MARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025MARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITJan 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10060SPAHN-MIKKELSON UNITDec 2024FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC