Hartman Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Hartman Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesApr 2012 - Jan 2026
Total Oil Production1,856,272 BBLs
Total Gas Production2,025,344 MCF
Recent Oil Production471 BBLs in Dec 2025
Recent Gas Production700 MCF in Dec 2025
Wells on Property6

Our Valuation Estimates for Hartman Unit

ShaleAssessment

$150,342 *

MarketMultiple

$370,720 **

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

Based on a decimal interest

Hartman Unit Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Hartman Unit
from Apr 2012 to Jan 2026

Wells on Hartman Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32245HARTMAN UNIT 1HMARATHON OIL EF LLCProducingKarnes County, TX28.899566-97.926602
42-255-33496HARTMAN UNIT 5HMARATHON OIL EF LLCShut InKarnes County, TX28.913059-97.946167
42-255-33497HARTMAN UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.913053-97.946379
42-255-33503HARTMAN UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.913054-97.945978
42-255-33504HARTMAN UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.913051-97.945887
42-255-33572HARTMAN UNIT AC 1HMARATHON OIL EF LLCProducingKarnes County, TX28.913048-97.945792

Leases included in Hartman Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-17838HARTMAN UNIT ACMARATHON OIL EF LLCKarnes County, TX
02-09979HARTMAN UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

These are the closest 20 properties to the Hartman Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Busselman Unit AKarnes County, TX3,476 BBLs6,361 MCFJan 2026
Flying-ForisterKarnes County, TX2,110 BBLs6,193 MCFJan 2026
Gotthardt Unit AKarnes County, TX1,012 BBLs2,623 MCFJan 2026
Hartman-Rippstein Mikkelson Sa1Karnes County, TX5,728 BBLs11,199 MCFJan 2026
Hausmann UnitKarnes County, TX1,517 BBLs1,780 MCFJan 2026
HickokKarnes County, TX3,768 BBLs4,932 MCFJan 2026
Hickok-Flying Horse Usw AKarnes County, TX2,378 BBLs5,137 MCFJan 2026
Hons Brodsky UnitKarnes County, TX5,027 BBLs4,070 MCFJan 2026
Hons Brodsky-Hons Rafter SaKarnes County, TX370 BBLs270 MCFJan 2026
Hons Rafter UnitKarnes County, TX11,661 BBLs10,955 MCFJan 2026
Jauer Peck-Hons Brodsky SaKarnes County, TX4,335 BBLs5,619 MCFJan 2026
Jauer-Peck UnitKarnes County, TX1,359 BBLs2,330 MCFJan 2026
Jauer-Sonka UnitKarnes County, TX7,972 BBLs6,296 MCFJan 2026
McCoy EgbertKarnes County, TX6,651 BBLs11,948 MCFJan 2026
McCoy-Egbert-Carter Unit Sa1Karnes County, TX3,544 BBLs8,376 MCFJan 2026
Rippstein-Rafter UnitKarnes County, TX3,941 BBLs7,903 MCFJan 2026
Rogers-McCoy Egbert SaKarnes County, TX1,591 BBLs713 MCFJan 2026
Salge Rafter-Rippstein Rafter SaKarnes County, TX2,210 BBLs3,095 MCFJan 2026
Sprencel Peck-Salge Rafter SaKarnes County, TX2,118 BBLs7,523 MCFJan 2026
Sprencel-Peck UnitKarnes County, TX2,028 BBLs1,977 MCFJan 2026

Frac'ing activity on Hartman Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32245Hartman Unit 1H
42-255-33496Hartman 5H
42-255-33497Hartman 4H
42-255-33503Hartman 3H
42-255-33504Hartman 2H
42-255-33572Hartman AC 1H

Owners of Hartman Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025MAGIC MINERALS LPHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025BURLINGTON RESOURCES OR/RI INTHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025KLINGEMAN FRED V JRHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025BROWN BRADLEY & SUZANNEHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025AMBER HARVEST LLCHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
2025SAXON STELLA HARTMANHARTMAN UNIT W#1H-5HMARATHON OIL EF LLC
Displaying 8 of 30 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Hartman Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-17838HARTMAN UNIT ACDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-09979HARTMAN UNITOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
01-17838HARTMAN UNIT ACSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY