Hierholzer-Hedtke Unit

Oil & Gas Property in Karnes County, TX

  2. Texas
  3. Karnes County, TX
  4. Oil & Gas Properties in Karnes County, TX
  5. Hierholzer-Hedtke Unit Oil & Gas Property

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Property Summary

Key data points for Hierholzer-Hedtke Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesSep 2012 - Oct 2025
Total Oil Production658,281 BBLs
Total Gas Production777,594 MCF
Recent Oil Production309 BBLs in Oct 2025
Recent Gas Production273 MCF in Oct 2025
Wells on Property5

Our Valuation Estimates for Hierholzer-Hedtke Unit

ShaleAssessment™

$92,885 *

MarketMultiple™

$109,816 **

* 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 Oct 2025

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 NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
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, TX238 BBLs183 MCFNov 2025
Balser UnitKarnes County, TX3,093 BBLs3,407 MCFNov 2025
Beam Hedtke UnitKarnes County, TX717 BBLs350 MCFNov 2025
Beam Meyer-Richard Butler B SaKarnes County, TX17,747 BBLs41,257 MCFNov 2025
Beam Meyer-Tina Butler Sa1Karnes County, TX8,153 BBLs19,320 MCFNov 2025
Beam-Hedtke-Meyer Felix SaKarnes County, TX1,570 BBLs2,353 MCFNov 2025
Beam-MeyerKarnes County, TX7,060 BBLs13,658 MCFNov 2025
Best FennerKarnes County, TX16,629 BBLs28,836 MCFDec 2025
Best-Huth UnitKarnes County, TX1,442 BBLs3,296 MCFNov 2025
Butler-Fenner-St. Germaine SaKarnes County, TX2,157 BBLs5,745 MCFNov 2025
Butler-Huth-Scheele SaKarnes County, TX2,886 BBLs4,552 MCFNov 2025
Coy City RanchKarnes County, TX8,827 BBLs26,367 MCFNov 2025
Felix UnitKarnes County, TX0 BBLs0 MCFDec 2025
May-Ryan ABC-Atlas SaKarnes County, TX8,009 BBLs11,349 MCFNov 2025
May-Ryan UnitKarnes County, TX17,608 BBLs23,649 MCFNov 2025
Richard ButlerKarnes County, TX2,563 BBLs1,864 MCFNov 2025
Ted Butler UnitKarnes County, TX0 BBLs0 MCFNov 2025
Turnbull E-F-Kowalik SaKarnes County, TX4,295 BBLs23,150 MCFNov 2025
Turnbull F-Imperial-Kowalik SaKarnes County, TX1,401 BBLs7,325 MCFNov 2025
Turnbull F-Kowalik SaKarnes County, TX2,559 BBLs8,187 MCFNov 2025

Companies in the Area

These are the closest 20 companies operating near the Hierholzer-Hedtke Unit property.

Company Name
Burlington Resources Oil & Gas Company LP
Caturus Energy, LLC
Dale Operating Company
Devon Energy Production Company, L.P.
Encana Oil & Gas (USA) Inc.
EOG Resources, Inc.
Francisco Creek Operating, Inc.
Hawthorn Energy Partners, LLC
Hilcorp Energy Company
Marathon Oil Ef LLC
Miller, W. C. Operating Company
North American Royalties, Inc.
Plains Exploration & Prod. Co.
Repsol Oil & Gas USA, LLC
Rickaway Energy, Corp.
Talisman Energy USA Inc.
TBM Catarina, LLC
Texas Crude Energy, Inc.
Verdun Oil & Gas LLC
XTO Energy Inc.

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 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
02-10307HIERHOLZER-HEDTKE UNITJun 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10307HIERHOLZER-HEDTKE UNITJun 2025MARATHON OIL EF LLC
02-10307HIERHOLZER-HEDTKE UNITJun 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10307HIERHOLZER-HEDTKE UNITJun 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-10307HIERHOLZER-HEDTKE UNITJun 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC