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 - Oct 2025
Total Oil Production1,160,931 BBLs
Total Gas Production5,428,334 MCF
Recent Oil Production248 BBLs in Sep 2025
Recent Gas Production1,892 MCF in Sep 2025
Wells on Property4

Our Valuation Estimates for Blackjack Unit

ShaleAssessment

$46,577 *

MarketMultiple

$91,674 **

* 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
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Blackjack Unit
from May 2012 to Oct 2025

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, TX1,464 BBLs13,157 MCFOct 2025
ColemanKarnes County, TX3,627 BBLs18,721 MCFOct 2025
Coleman-Gross Usw AKarnes County, TX7,261 BBLs32,751 MCFOct 2025
Crews A-Love Ulw AKarnes County, TX14,464 BBLs50,462 MCFOct 2025
Gross Mixon UswKarnes County, TX7,861 BBLs33,308 MCFOct 2025
Gross Unit AKarnes County, TX111 BBLs562 MCFOct 2025
Hemby UnitKarnes County, TX5,578 BBLs40,628 MCFOct 2025
Kenedy Corporation Gas Unit 1Karnes County, TX520 BBLs10,314 MCFOct 2025
Kosub UnitKarnes County, TX10,646 BBLs74,317 MCFOct 2025
McAlisterKarnes County, TX8,869 BBLs85,314 MCFOct 2025
McElveen Unit AKarnes County, TX0 BBLs0 MCFNov 2025
Mixon Unit AKarnes County, TX12,816 BBLs59,526 MCFOct 2025
Pawelek Unit AKarnes County, TX0 BBLs0 MCFMay 2025
SchulteKarnes County, TX332 BBLs2,856 MCFOct 2025
Sienkiewicz UnitKarnes County, TX6,141 BBLs28,169 MCFOct 2025
Witte Quad Usw BKarnes County, TX13,601 BBLs61,755 MCFOct 2025
Witte, Inc. Unit AKarnes County, TX2,861 BBLs9,493 MCFOct 2025
Witte-Cole-Gross Usw CKarnes County, TX13,741 BBLs64,019 MCFOct 2025
Witte-Gross Usw DKarnes County, TX20,721 BBLs78,952 MCFOct 2025
Young Gas Unit 1Karnes County, TX6,256 BBLs27,794 MCFOct 2025

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 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Mar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HMar 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Feb 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Feb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Feb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HFeb 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Jan 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Jan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Jan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HJan 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Dec 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Dec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Dec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Nov 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Nov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-10124BLACKJACK UNIT 'A'Nov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-285878BLACKJACK UNIT B 2HNov 2024ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC