Gross-McLean Unit

Oil & Gas Property in Karnes County, TX

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

Map of Wells Full Screen Map

Property Summary

Key data points for Gross-McLean Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesNov 2012 - Jun 2026
Total Oil Production1,141,797 BBLs
Total Gas Production3,287,408 MCF
Recent Oil Production827 BBLs in May 2026
Recent Gas Production2,115 MCF in May 2026
Wells on Property6

Our Valuation Estimates for Gross-McLean Unit

ShaleAssessment™

$38,374 *

MarketMultiple™

$113,252 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Gross-McLean Unit
from Nov 2012 to Jun 2026

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
Best-Beard UnitKarnes County, TX605 BBLs759 MCFJun 2026
Brown DupnikKarnes County, TX1,078 BBLs1,251 MCFJun 2026
Buehring UnitKarnes County, TX1,964 BBLs4,373 MCFJun 2026
Buehring-Gilley PsaKarnes County, TX954 BBLs4,610 MCFJun 2026
Davenport UnitKarnes County, TX765 BBLs570 MCFJun 2026
Fransen UnitKarnes County, TX6,830 BBLs21,147 MCFJun 2026
Fransen-Direct Assets SaKarnes County, TX11,484 BBLs47,392 MCFJun 2026
Gilley UnitKarnes County, TX1,475 BBLs6,573 MCFJun 2026
Gross-RobertKarnes County, TX2,386 BBLs9,994 MCFJun 2026
Holland-Brown UnitKarnes County, TX975 BBLs1,518 MCFJun 2026
Jordan UnitKarnes County, TX2,928 BBLs4,048 MCFJun 2026
Jordan-Buehring Unit SaKarnes County, TX687 BBLs2,075 MCFJun 2026
Kimble-GilleyKarnes County, TX3,603 BBLs7,011 MCFJun 2026
Luna UnitKarnes County, TX4,680 BBLs20,111 MCFJun 2026
Luna-May Unit PsaKarnes County, TX736 BBLs1,062 MCFJun 2026
May Unit 1Karnes County, TX4,799 BBLs26,423 MCFJun 2026
Pfeifer UnitKarnes County, TX160 BBLs125 MCFJun 2026
Pfeifer-BellKarnes County, TX1,765 BBLs2,897 MCFJun 2026
Pfeifer-Whitley Mejor SaKarnes County, TX2,253 BBLs4,453 MCFJun 2026
Robert Bowman UnitKarnes County, TX1,827 BBLs4,565 MCFJun 2026

Companies in the Area

These are the closest 20 companies operating near the Gross-McLean 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.
Ovintiv USA Inc.
Plains Exploration & Prod. Co.
Repsol Oil & Gas USA, LLC
Rickaway Energy, Corp.
Statoil Texas Onshore Prop LLC
TBM Catarina, LLC
Texas Crude Energy, Inc.
Verdun Oil & Gas LLC

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
2026MARATHON OIL EF LLCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026MARATHON OIL EF LLCGROSS-MCLEAN UNIT W#502HMARATHON OIL EF LLC
2026DAVILA MANUEL G SHELTER TRUSTGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026AMBER HARVEST LLCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026FREEHOLD ROYALTIES USA INCGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026GROSS DOROTHY A ESTATEGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026MCLEAN SHIRLEYGROSS-MCLEAN UNIT W#5HMARATHON OIL EF LLC
2026DAVILA MANUEL G SHELTER TRUSTGROSS-MCLEAN UNIT W#502HMARATHON 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 UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026TARGA MIDSTREAM SERVICES LLCCONOCOPHILLIPS COMPANY
02-294907GROSS-MCLEAN UNIT 5HJun 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITMay 2026ENERFIN AGUA DULCE LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITMay 2026DCP OPERATING COMPANY, LPCONOCOPHILLIPS COMPANY
02-10338GROSS-MCLEAN UNITMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-294906GROSS-MCLEAN UNIT 502HMay 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY