Carter Unit

Oil & Gas Property in Karnes County, TX

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

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Property Summary

Key data points for Carter Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesJun 2011 - Sep 2025
Total Oil Production2,285,659 BBLs
Total Gas Production3,683,831 MCF
Recent Oil Production1,793 BBLs in Aug 2025
Recent Gas Production3,934 MCF in Aug 2025
Wells on Property7

Our Valuation Estimates for Carter Unit

ShaleAssessment™

$164,494 *

MarketMultiple™

$465,726 **

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

Based on a decimal interest

Carter Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Carter Unit
from Jun 2011 to Sep 2025

Wells on Carter Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-31796CARTER UNIT 1HMARATHON OIL EF LLCShut InKarnes County, TX28.874532-97.925714
42-255-32758CARTER UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.885408-97.932083
42-255-33477CARTER UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.885405-97.932006
42-255-33478CARTER UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.885402-97.931928
42-255-33480CARTER UNIT 5HMARATHON OIL EF LLCProducingKarnes County, TX28.885413-97.932158
42-255-36373CARTER UNIT 6HMARATHON OIL EF LLCProducingKarnes County, TX28.883899-97.937815
42-255-36374CARTER UNIT 501HMARATHON OIL EF LLCProducingKarnes County, TX28.883890-97.937715

Leases included in Carter Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-09683CARTER UNITMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Carter-HolmKarnes County, TX5,975 BBLs10,613 MCFSep 2025
Egbert UnitKarnes County, TX5,945 BBLs11,082 MCFSep 2025
Kempe-Laubach UnitKarnes County, TX4,170 BBLs8,798 MCFSep 2025
McCoy EgbertKarnes County, TX10,504 BBLs22,601 MCFSep 2025
McCoy-Egbert-Carter Unit Sa1Karnes County, TX4,908 BBLs11,235 MCFSep 2025
Mikkelson-WitteKarnes County, TX5,325 BBLs10,080 MCFSep 2025
Rippstein-Gotthardt UnitKarnes County, TX6,816 BBLs5,480 MCFSep 2025
Rippstein-MikkelsonKarnes County, TX6,936 BBLs9,650 MCFSep 2025
Rogers UnitKarnes County, TX1,091 BBLs940 MCFSep 2025
Rogers-McCoy Egbert SaKarnes County, TX2,243 BBLs2,709 MCFSep 2025
S.Busselman-R.Mikkelson SaKarnes County, TX992 BBLs160 MCFSep 2025
Salge UnitKarnes County, TX1,092 BBLs3,574 MCFSep 2025
Salge-Busselman UnitKarnes County, TX3,750 BBLs4,096 MCFSep 2025
Salge-Egbert Miller (Sa)Karnes County, TX1,358 BBLs1,007 MCFSep 2025
Salge-Kinkler-Busselman AlcKarnes County, TX1,546 BBLs6,729 MCFSep 2025
Salge-Yanta SaKarnes County, TX1,372 BBLs3,855 MCFSep 2025
Spahn-Mikkelson UnitKarnes County, TX968 BBLs2,258 MCFSep 2025
Witte-Mikkelson UnitKarnes County, TX1,127 BBLs2,780 MCFSep 2025
Y. Witte-K.Laubach PsaKarnes County, TX655 BBLs1,024 MCFSep 2025
Yosko Witte UnitKarnes County, TX0 BBLs0 MCFJul 2025

Companies in the Area

These are the closest 20 companies operating near the Carter Unit property.

Company Name
1776 Energy Operators, LLC
Blackbrush O & G, LLC
Burlington Resources Oil & Gas Company LP
Caturus Energy, LLC
Devon Energy Production Company, L.P.
Encana Oil & Gas (USA) Inc.
Greenwerks Outdoor Services LLC
Gulftex Energy, LLC
Hilcorp Energy Company
Jaybird Operating, LLC
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Murphy Expl. & Prod. Co. - USA
Natural Energy, Inc.
Ovintiv USA Inc.
Paloma Resources, LLC
Plains Exploration & Prod. Co.
Rio-Tex, Inc.
Rollert Co., Inc., The
Tidal Petroleum, Inc.

Frac'ing activity on Carter Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32758Carter Unit 2H
42-255-32758Rogers Unit 3H
42-255-33477Carter Unit 3H
42-255-33478Carter Unit 4H
42-255-33480Carters Unit 5H
42-255-36373Carter 6H
42-255-36374Carter 501H

Owners of Carter Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025SPAHN CLIFFORD M & BECKYCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025AMBER HARVEST LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
20254C MINERALS LPCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025HWJ MINERALS LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025FAULKNER KIMBERLY KCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
2025KARNES 4C ENTERPRISES LLCCARTER UNIT W#2H-6H,501HMARATHON OIL EF LLC
Displaying 8 of 14 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Carter Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-09683CARTER UNITApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITApr 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLC
02-09683CARTER UNITMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITMar 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITFeb 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLC
02-09683CARTER UNITJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025DCP OPERATING COMPANY, LPMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025TARGA MIDSTREAM SERVICES LLCMARATHON OIL EF LLC
02-09683CARTER UNITJan 2025ENERFIN AGUA DULCE LPMARATHON OIL EF LLC
02-09683CARTER UNITDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-09683CARTER UNITDec 2024FREEPOINT COMMODITIES LLCMARATHON OIL EF LLC