Gross-McLean Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Gross-McLean Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesNov 2012 - Dec 2025
Total Oil Production1,137,024 BBLs
Total Gas Production3,272,042 MCF
Recent Oil Production825 BBLs in Nov 2025
Recent Gas Production817 MCF in Nov 2025
Wells on Property6

Our Valuation Estimates for Gross-McLean Unit

ShaleAssessment

$41,299 *

MarketMultiple

$144,988 **

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

Based on a decimal interest

Gross-McLean Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Gross-McLean Unit
from Nov 2012 to Dec 2025

Wells on Gross-McLean Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32669GROSS-MCLEAN UNIT 1HMARATHON OIL EF LLCProducingKarnes County, TX28.821247-97.978677
42-255-32705GROSS-MCLEAN UNIT 2HMARATHON OIL EF LLCShut InKarnes County, TX28.821221-97.978749
42-255-32968GROSS-MCLEAN UNIT 3HMARATHON OIL EF LLCShut InKarnes County, TX28.807845-97.975966
42-255-36027GROSS-MCLEAN UNIT 4HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.818816-97.982156
42-255-36028GROSS-MCLEAN UNIT 5HMARATHON OIL EF LLCProducingKarnes County, TX28.818785-97.982248
42-255-36507GROSS-MCLEAN UNIT 502HMARATHON OIL EF LLCProducingKarnes County, TX28.820902-97.974987

Leases included in Gross-McLean Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10338GROSS-MCLEAN UNITMARATHON OIL EF LLCKarnes County, TX
02-294905GROSS-MCLEAN UNIT 4HMARATHON OIL EF LLCKarnes County, TX
02-294906GROSS-MCLEAN UNIT 502HMARATHON OIL EF LLCKarnes County, TX
02-294907GROSS-MCLEAN UNIT 5HMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

These are the closest 20 properties to the Gross-McLean Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
B. Dupnik A-H. Brown PsaKarnes County, TX416 BBLs286 MCFDec 2025
Best-Beard UnitKarnes County, TX1,010 BBLs1,279 MCFDec 2025
Brown-DupnikKarnes County, TX4,402 BBLs9,665 MCFDec 2025
Buehring UnitKarnes County, TX3,983 BBLs4,884 MCFDec 2025
Davenport UnitKarnes County, TX0 BBLs0 MCFJun 2025
Fransen UnitKarnes County, TX16,627 BBLs40,912 MCFDec 2025
Fransen-Direct Assets SaKarnes County, TX23,782 BBLs53,672 MCFDec 2025
Gilley UnitKarnes County, TX2,330 BBLs6,681 MCFDec 2025
Gross-RobertKarnes County, TX2,579 BBLs13,611 MCFDec 2025
Holland-Brown UnitKarnes County, TX1,633 BBLs1,509 MCFDec 2025
Jordan UnitKarnes County, TX3,761 BBLs4,292 MCFDec 2025
Kimble-GilleyKarnes County, TX2,719 BBLs12,120 MCFDec 2025
Luna UnitKarnes County, TX6,433 BBLs17,256 MCFDec 2025
Luna-May Unit PsaKarnes County, TX385 BBLs36 MCFDec 2025
May Unit 1Karnes County, TX8,234 BBLs37,545 MCFDec 2025
Pfeifer UnitKarnes County, TX563 BBLs617 MCFDec 2025
Pfeifer-BellKarnes County, TX5,225 BBLs10,560 MCFDec 2025
Pfeifer-Whitley Mejor SaKarnes County, TX3,035 BBLs6,647 MCFDec 2025
Robert Bowman UnitKarnes County, TX505 BBLs166 MCFDec 2025
Whitley Mejor UnitKarnes County, TX2,034 BBLs1,921 MCFDec 2025

Frac'ing activity on Gross-McLean Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32669Gross McLean Unit 1H
42-255-32705Gross McLean Unit 2H
42-255-32968Gross McLean 3H
42-255-36027Gross McLean Unit 4H
42-255-36028Gross McLean Unit 5H
42-255-36507Gross McLean Unit 502H

Owners of Gross-McLean Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCGROSS-MCLEAN UNIT W#502HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2025DAVILA MANUEL G SHELTER TRUSTGROSS-MCLEAN UNIT W#502HMARATHON OIL EF LLC
2025DAVILA MANUEL G SHELTER TRUSTGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2025AMBER HARVEST LLCGROSS-MCLEAN UNIT W#502HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCGROSS-MCLEAN UNIT W#502HMARATHON OIL EF LLC
2025FREEHOLD ROYALTIES USA INCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2025AMBER HARVEST LLCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
Displaying 8 of 39 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Gross-McLean Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10338GROSS-MCLEAN UNITDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HNov 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HOct 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HOct 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HOct 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HSep 2025DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY