Blackjack Unit

Oil & Gas Property in Karnes County, TX

Property Summary

Key data points for Blackjack Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesMay 2012 - Apr 2026
Total Oil Production1,173,442 BBLs
Total Gas Production5,472,266 MCF
Recent Oil Production1,068 BBLs in Mar 2026
Recent Gas Production5,028 MCF in Mar 2026
Wells on Property4

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$43,320 *

MarketMultiple

$185,102 **

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

Based on a decimal interest

Blackjack Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Blackjack Unit
from May 2012 to Apr 2026

Wells on Blackjack Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32255BLACKJACK UNIT A 1HMARATHON OIL EF LLCProducingKarnes County, TX28.837972-97.863350
42-255-32284BLACKJACK UNIT A 2HMARATHON OIL EF LLCProducingKarnes County, TX28.838026-97.863365
42-255-32377BLACKJACK UNIT B 1HMARATHON OIL EF LLCTemp AbandonedKarnes County, TX28.841729-97.875996
42-255-32386BLACKJACK UNIT B 2HMARATHON OIL EF LLCProducingKarnes County, TX28.841618-97.875960

Leases included in Blackjack Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10124BLACKJACK UNIT 'A'MARATHON OIL EF LLCKarnes County, TX
02-10194BLACKJACK UNIT 'B'MARATHON OIL EF LLCKarnes County, TX
02-285877BLACKJACK UNIT B 1HMARATHON OIL EF LLCKarnes County, TX
02-285878BLACKJACK UNIT B 2HMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Blackjack UnitKarnes County, TX697 BBLs3,604 MCFApr 2026
ColemanKarnes County, TX3,447 BBLs14,734 MCFApr 2026
Coleman-Gross Usw AKarnes County, TX3,700 BBLs13,968 MCFApr 2026
Gross Mixon UswKarnes County, TX9,558 BBLs29,027 MCFApr 2026
Gross Unit AKarnes County, TX99 BBLs472 MCFApr 2026
Hemby UnitKarnes County, TX6,221 BBLs46,089 MCFApr 2026
Kenedy Corporation Gas Unit 1Karnes County, TX633 BBLs9,936 MCFApr 2026
Kosub UnitKarnes County, TX10,656 BBLs101,470 MCFApr 2026
McAlisterKarnes County, TX10,913 BBLs103,897 MCFApr 2026
McElveen Unit AKarnes County, TX35,797 BBLs96,910 MCFMay 2026
Mixon Unit AKarnes County, TX5,567 BBLs25,215 MCFApr 2026
SchulteKarnes County, TX10,264 BBLs58,309 MCFApr 2026
Schulte-Bailey Usw A 1Karnes County, TX31,374 BBLs113,385 MCFMay 2026
Schulte-McElveen UswKarnes County, TX83,395 BBLs294,929 MCFMay 2026
Sienkiewicz UnitKarnes County, TX4,643 BBLs10,288 MCFApr 2026
Witte Quad Usw BKarnes County, TX7,826 BBLs44,012 MCFApr 2026
Witte, Inc. Unit AKarnes County, TX614 BBLs1,427 MCFApr 2026
Witte-Cole-Gross Usw CKarnes County, TX6,373 BBLs36,214 MCFApr 2026
Witte-Gross Usw DKarnes County, TX11,778 BBLs69,051 MCFApr 2026
Young Gas Unit 1Karnes County, TX4,767 BBLs25,505 MCFApr 2026

Frac'ing activity on Blackjack Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32255Blackjack "A" No. 1H
42-255-32284Blackjack "A" No. 2H
42-255-32377Blackjack "B" No. 1H
42-255-32386Blackjack "B" No. 2H

Owners of Blackjack Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025MCCARROLL STEPHEN PAULBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025BURRIS BYRON MICHAELBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCBLACKJACK UNIT B W#2HMARATHON OIL EF LLC
2025VERDE VERDE LLCBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025DZIUK JUDITH BURRISBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025OXFORD DANNY 2016 TRUSTBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
2025OXFORD JERRY HOWARDBLACKJACK UNIT A 1H & 2HMARATHON OIL EF LLC
Displaying 8 of 63 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Blackjack Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-10124BLACKJACK UNIT 'A'Mar 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Feb 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Feb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Feb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HFeb 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HFeb 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jan 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Jan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HJan 2026ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HJan 2026CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Dec 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Dec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HDec 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HDec 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-10124BLACKJACK UNIT 'A'Nov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-285878BLACKJACK UNIT B 2HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY