Hierholzer-Hedtke Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Hierholzer-Hedtke Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesSep 2012 - Jan 2026
Total Oil Production658,281 BBLs
Total Gas Production778,155 MCF
Recent Oil ProductionNo Recent Prod.
Recent Gas ProductionNo Recent Prod.
Wells on Property5

Our Valuation Estimates for Hierholzer-Hedtke Unit

ShaleAssessment

$89,350 *

MarketMultiple

$39,366 **

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

Based on a decimal interest

Hierholzer-Hedtke Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Hierholzer-Hedtke Unit
from Sep 2012 to Jan 2026

Wells on Hierholzer-Hedtke Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32582HIERHOLZER-HEDTKE UNIT 1HMARATHON OIL EF LLCShut InKarnes County, TX28.827782-98.038613
42-255-33134HIERHOLZER-HEDTKE UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.828860-98.037015
42-255-33135HIERHOLZER-HEDTKE UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.828909-98.036941
42-255-38360HIERHOLZER-HEDTKE UNIT 4MARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.828326-98.039716
42-255-38361HIERHOLZER-HEDTKE UNIT 5MARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.828290-98.039766

Leases included in Hierholzer-Hedtke Unit

Lease #Lease NameOperatorCounty
02-10307HIERHOLZER-HEDTKE UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

These are the closest 20 properties to the Hierholzer-Hedtke Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Atlas UnitKarnes County, TX290 BBLs222 MCFApr 2026
Balser UnitKarnes County, TX2,630 BBLs3,984 MCFApr 2026
Beam Hedtke UnitKarnes County, TX0 BBLs0 MCFApr 2026
Beam Meyer-Richard Butler B SaKarnes County, TX14,447 BBLs24,456 MCFApr 2026
Beam Meyer-Tina Butler Sa1Karnes County, TX6,720 BBLs11,753 MCFApr 2026
Beam-Hedtke-Meyer Felix SaKarnes County, TX787 BBLs904 MCFApr 2026
Beam-MeyerKarnes County, TX4,652 BBLs6,844 MCFApr 2026
Best FennerKarnes County, TX7,410 BBLs22,933 MCFMay 2026
Best-Huth UnitKarnes County, TX2,324 BBLs2,818 MCFApr 2026
Butler-Fenner-St. Germaine SaKarnes County, TX1,785 BBLs4,674 MCFApr 2026
Butler-Huth-Scheele SaKarnes County, TX2,887 BBLs4,591 MCFApr 2026
Coy City RanchKarnes County, TX6,272 BBLs21,890 MCFApr 2026
Felix UnitKarnes County, TX44,720 BBLs53,958 MCFMay 2026
Felix-Smith Mellick Sa 1HKarnes County, TX10,154 BBLs7,881 MCFMay 2026
May-Ryan ABC-Atlas SaKarnes County, TX4,811 BBLs4,495 MCFApr 2026
Richard ButlerKarnes County, TX0 BBLs0 MCFJan 2026
Ted Butler UnitKarnes County, TX2 BBLs0 MCFApr 2026
Turnbull E-F-Kowalik SaKarnes County, TX3,594 BBLs22,329 MCFApr 2026
Turnbull F-Imperial-Kowalik SaKarnes County, TX1,796 BBLs6,159 MCFApr 2026
Turnbull F-Kowalik SaKarnes County, TX2,623 BBLs6,955 MCFApr 2026

Frac'ing activity on Hierholzer-Hedtke Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-33134Hierholzer Hedtke 2H

Owners of Hierholzer-Hedtke Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025H4 OJO ROJO OIL & GAS LPHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025POLASEK MICHAEL RHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025AMBER HARVEST LLCHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025HIERHOLZER WAYNE & CHARLENEHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025POLASEK DEBORAH ANNEHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
2025POLASEK LADDIE LOUISHIERHOLZER HEDTKE UNIT W#1H-3HMARATHON OIL EF LLC
Displaying 8 of 46 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Hierholzer-Hedtke Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10307HIERHOLZER-HEDTKE UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJan 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJan 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITAug 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITAug 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJul 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJul 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10307HIERHOLZER-HEDTKE UNITJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY