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 - Apr 2026
Total Oil Production1,008,794 BBLs
Total Gas Production1,491,083 MCF
Recent Oil Production2,033 BBLs in Mar 2026
Recent Gas Production2,310 MCF in Mar 2026
Wells on Property4

Our Valuation Estimates for Spahn-Mikkelson Unit

ShaleAssessment

$35,154 *

MarketMultiple

$306,386 **

* 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 Apr 2026

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, TX1,988 BBLs1,601 MCFApr 2026
Egbert UnitKarnes County, TX3,392 BBLs4,092 MCFApr 2026
Kempe-Laubach Mikkelson-Witte SaKarnes County, TX889 BBLs850 MCFApr 2026
Kempe-Laubach UnitKarnes County, TX4,435 BBLs10,371 MCFApr 2026
McCoy EgbertKarnes County, TX6,268 BBLs11,802 MCFApr 2026
McCoy-Egbert-Carter Unit Sa1Karnes County, TX2,394 BBLs3,349 MCFApr 2026
Mikkelson-WitteKarnes County, TX3,372 BBLs4,751 MCFApr 2026
Rippstein-Gotthardt UnitKarnes County, TX4,096 BBLs2,681 MCFApr 2026
Rippstein-Hons Rafter SaKarnes County, TX19,618 BBLs31,002 MCFApr 2026
Rippstein-MikkelsonKarnes County, TX4,779 BBLs9,575 MCFApr 2026
Rogers UnitKarnes County, TX740 BBLs520 MCFApr 2026
Rogers-McCoy Egbert SaKarnes County, TX2,370 BBLs281 MCFApr 2026
RSW-Mikkelson-Rogers SaKarnes County, TX421 BBLs534 MCFApr 2026
S.Busselman-R.Mikkelson SaKarnes County, TX1,774 BBLs1,883 MCFApr 2026
Salge UnitKarnes County, TX2,289 BBLs4,656 MCFApr 2026
Salge-Busselman UnitKarnes County, TX1,495 BBLs1,298 MCFApr 2026
Salge-Egbert Miller (Sa)Karnes County, TX900 BBLs1,089 MCFApr 2026
Witte-Mikkelson UnitKarnes County, TX275 BBLs236 MCFApr 2026
Y. Witte-K.Laubach PsaKarnes County, TX2,098 BBLs3,512 MCFApr 2026
Yosko Witte UnitKarnes County, TX0 BBLs0 MCFJul 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
2025AMBER HARVEST LLCSPAHN-MIKKELSON W#1H-3H,503HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCSPAHN-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 UNITMar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITFeb 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITFeb 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITDec 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITDec 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITOct 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10060SPAHN-MIKKELSON UNITOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY