Mad King Unit

Oil & Gas Property in Lavaca County, TX

Property Summary

Key data points for Mad King Unit

CountyLavaca County, TX
OperatorMARATHON OIL EF LLC
Production DatesJul 2020 - Jan 2026
Total Oil Production165,287 BBLs
Total Gas Production1,661,661 MCF
Recent Oil Production387 BBLs in Dec 2025
Recent Gas Production3,379 MCF in Dec 2025
Wells on Property1

Our Valuation Estimates for Mad King Unit

ShaleAssessment

Not Available

MarketMultiple

$85,623 **

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

Based on a decimal interest

Mad King 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 Mad King Unit
from Jul 2020 to Jan 2026

Wells on Mad King Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-285-34135MAD KING UNIT 1HMARATHON OIL EF LLCProducingLavaca County, TX29.374843-97.165842

Leases included in Mad King Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-12002MAD KING UNITMARATHON OIL EF LLCLavaca County, TX
02-289918MAD KING UNIT 1HMARATHON OIL EF LLCLavaca County, TX

Nearby Properties

These are the closest 20 properties to the Mad King Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
AngelaLavaca County, TX701 BBLs2,606 MCFJan 2026
AntaresLavaca County, TX12,572 BBLs61,035 MCFJan 2026
CalibanLavaca County, TX4,101 BBLs37,435 MCFJan 2026
Calypso ALavaca County, TX1,973 BBLs8,911 MCFJan 2026
Cheer UnitLavaca County, TX3,340 BBLs8,942 MCFJan 2026
Colleen UnitLavaca County, TX4,151 BBLs29,027 MCFJan 2026
Comanche 1HLavaca County, TX814 BBLs14,177 MCFJan 2026
DeedraLavaca County, TX85 BBLs89 MCFJan 2026
Deedra-Lori (Sa) UnitLavaca County, TX557 BBLs2,002 MCFJan 2026
Dickson AllenLavaca County, TX920 BBLs6,669 MCFJan 2026
Drellek Unit 1HLavaca County, TX603 BBLs2,827 MCFJan 2026
FerosLavaca County, TX16,994 BBLs131,684 MCFJan 2026
Gos 1HLavaca County, TX1,115 BBLs9,806 MCFJan 2026
Kloesel Unit 1HLavaca County, TX261 BBLs6,135 MCFJan 2026
Machicek Unit 1HLavaca County, TX496 BBLs3,881 MCFJan 2026
Marcia-Shelly (Sa) UnitLavaca County, TX1,112 BBLs6,844 MCFJan 2026
MirandaLavaca County, TX18,688 BBLs144,742 MCFJan 2026
RobinLavaca County, TX773 BBLs2,848 MCFJan 2026
Stefanie UnitLavaca County, TX86 BBLs1,193 MCFJan 2026
WelhausenLavaca County, TX1,039 BBLs6,998 MCFJan 2026

Frac'ing activity on Mad King Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-285-34135Mad King Unit 1H

Owners of Mad King Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCMAD KING UNIT 1HMARATHON OIL EF LLC
2025RED STONE RESOURCES LLCMAD KING UNIT 1HMARATHON OIL EF LLC
2025KASPAR DENNIS G AND CORDELIA JMAD KING UNIT 1HMARATHON OIL EF LLC
2025VACLAVIK ARDYCE DOUGLASSMAD KING UNIT 1HMARATHON OIL EF LLC
2025RED CREST TRUSTMAD KING UNIT 1HMARATHON OIL EF LLC
2025KASPAR JASONMAD KING UNIT 1HMARATHON OIL EF LLC
2025KASPAR JOANN JUNEMAD KING UNIT 1HMARATHON OIL EF LLC
2025KASPAR KYLE WELHAUSENMAD KING UNIT 1HMARATHON OIL EF LLC
Displaying 8 of 53 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Mad King Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-289918MAD KING UNIT 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HNov 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HNov 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HOct 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HOct 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HSep 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HSep 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HAug 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HAug 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HJul 2025CONOCOPHILLIPS COMPANYCONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HJul 2025ETC TEXAS PIPELINE, LTD.CONOCOPHILLIPS COMPANY
02-289918MAD KING UNIT 1HJun 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-289918MAD KING UNIT 1HJun 2025KINDER MORGAN PRODUCTION COMPANY LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HJun 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HMay 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HMay 2025KINDER MORGAN PRODUCTION COMPANY LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HMay 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-289918MAD KING UNIT 1HApr 2025ETC TEXAS PIPELINE, LTD.MARATHON OIL EF LLC
02-289918MAD KING UNIT 1HApr 2025KINDER MORGAN PRODUCTION COMPANY LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-289918MAD KING UNIT 1HMar 2025KINDER MORGAN PRODUCTION COMPANY LLCMARATHON OIL EF LLC