Swize McFarland Unit

Oil & Gas Property in Karnes County, TX

  2. Texas
  3. Karnes County, TX
  4. Oil & Gas Properties in Karnes County, TX
  5. Swize McFarland Unit Oil & Gas Property

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Property Summary

Key data points for Swize McFarland Unit

CountyKarnes County, TX
OperatorMARATHON OIL EF LLC
Production DatesDec 2012 - Sep 2025
Total Oil Production1,931,944 BBLs
Total Gas Production3,085,098 MCF
Recent Oil Production6,975 BBLs in Aug 2025
Recent Gas Production12,734 MCF in Aug 2025
Wells on Property6

Our Valuation Estimates for Swize McFarland Unit

ShaleAssessment™

$68,240 *

MarketMultiple™

$1,011,969 **

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

Based on a decimal interest

Swize McFarland Unit Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Swize McFarland Unit
from Dec 2012 to Sep 2025

Wells on Swize McFarland Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-255-32793SWIZE MCFARLAND UNIT 1HMARATHON OIL EF LLCShut InKarnes County, TX28.904268-98.012538
42-255-35068SWIZE MCFARLAND UNIT AC 1HMARATHON OIL EF LLCHorizontal Well Surface LocatioKarnes County, TX28.904331-98.011563
42-255-36648SWIZE MCFARLAND UNIT 2HMARATHON OIL EF LLCProducingKarnes County, TX28.905040-98.009219
42-255-36649SWIZE MCFARLAND UNIT 3HMARATHON OIL EF LLCProducingKarnes County, TX28.905062-98.009128
42-255-36650SWIZE MCFARLAND UNIT 4HMARATHON OIL EF LLCProducingKarnes County, TX28.905084-98.009039
42-255-36651SWIZE MCFARLAND UNIT AC 1HMARATHON OIL EF LLCProducingKarnes County, TX28.905106-98.008947

Leases included in Swize McFarland Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
02-10324SWIZE MCFARLAND UNITMARATHON OIL EF LLCKarnes County, TX
02-11874SWIZE MCFARLAND UNIT ACMARATHON OIL EF LLCKarnes County, TX

Nearby Properties

These are the closest 20 properties to the Swize McFarland Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Bolf Ac UnitKarnes County, TX1,920 BBLs4,034 MCFSep 2025
Boots UnitKarnes County, TX0 BBLs0 MCFJul 2025
ChallengerKarnes County, TX26,028 BBLs53,713 MCFSep 2025
Charlotte UnitKarnes County, TX11,262 BBLs35,322 MCFSep 2025
FertschKarnes County, TX153 BBLs0 MCFAug 2025
Forister 541Karnes County, TX14,750 BBLs29,716 MCFSep 2025
Forister-Janysek UnitKarnes County, TX6,282 BBLs5,786 MCFSep 2025
Hysaw-HobsonKarnes County, TX5 BBLs0 MCFSep 2025
L. Pittman- F. Janysek Unit SaKarnes County, TX1,135 BBLs2,908 MCFSep 2025
Labus Pittman UnitKarnes County, TX5,885 BBLs7,582 MCFSep 2025
Long-Fischer UnitKarnes County, TX4,723 BBLs12,145 MCFSep 2025
Maurer BooneKarnes County, TX48 BBLs0 MCFSep 2025
Maurer-McFarland UnitKarnes County, TX9,176 BBLs20,001 MCFSep 2025
Maurer-Swize McFarland SaKarnes County, TX886 BBLs2,575 MCFSep 2025
Medina-HoffmanKarnes County, TX9,175 BBLs13,850 MCFSep 2025
Mohr-Hons Medina-Hoffman SaKarnes County, TX1,768 BBLs1,510 MCFSep 2025
Mohr-Hons UnitKarnes County, TX8,695 BBLs10,255 MCFSep 2025
RJ MoczygembaKarnes County, TX1,348 BBLs8,889 MCFSep 2025
RzeppaKarnes County, TX0 BBLs0 MCFJul 2025
TMK UnitKarnes County, TX20,339 BBLs101,371 MCFSep 2025

Companies in the Area

These are the closest 20 companies operating near the Swize McFarland Unit property.

Company Name
Ageron Energy, LLC
Blackbrush O & G, LLC
Burlington Resources Oil & Gas Company LP
Caturus Energy, LLC
Devon Energy Production Company, L.P.
Encana Oil & Gas (USA) Inc.
EOG Resources Inc
Greenwerks Outdoor Services LLC
Gulftex Energy, LLC
Hawthorn Energy Partners, LLC
Hughes, Dan A. Company, L.P.
Jaybird Operating, LLC
Magnolia Oil & Gas Operating LLC
Marathon Oil Ef LLC
Natural Energy, Inc.
Ovintiv USA Inc.
Repsol Oil & Gas USA, LLC
Rio-Tex, Inc.
Rollert Co., Inc., The
Tidal Petroleum, Inc.

Frac'ing activity on Swize McFarland Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-255-32793Swize McFarland 1H
42-255-36648Swize McFarland 2H
42-255-36649Swize McFarland 3H
42-255-36650Swize McFarland 4H
42-255-36651Swize McFarland AC 1H

Owners of Swize McFarland Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025MARATHON OIL EF LLCSWIZE MCFARLAND W#2H-4HMARATHON OIL EF LLC
2025MARATHON OIL EF LLCSWIZE MCFARLAND UNIT AC W#1HMARATHON OIL EF LLC
2025HICKOK MARY JULIASWIZE MCFARLAND W#2H-4HMARATHON OIL EF LLC
2025RZEPPA JO ANNSWIZE MCFARLAND W#2H-4HMARATHON OIL EF LLC
2025MAVERICK ORRI LPSWIZE MCFARLAND W#2H-4HMARATHON OIL EF LLC
2025HICKOK MARY JULIASWIZE MCFARLAND UNIT AC W#1HMARATHON OIL EF LLC
2025RZEPPA JO ANNSWIZE MCFARLAND UNIT AC W#1HMARATHON OIL EF LLC
2025SWIZE EMIL G JRSWIZE MCFARLAND W#2H-4HMARATHON OIL EF LLC
Displaying 8 of 417 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Swize McFarland Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
02-11874SWIZE MCFARLAND UNIT ACApr 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACMar 2025ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACMar 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACFeb 2025ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACFeb 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACJan 2025ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACJan 2025MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACDec 2024ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACDec 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACNov 2024ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACNov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACNov 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACOct 2024ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACOct 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACOct 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACSep 2024ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACSep 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACSep 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACAug 2024ENTERPRISE PRODUCTS OPERATING L PMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACAug 2024MARATHON OIL EF LLCMARATHON OIL EF LLC
02-11874SWIZE MCFARLAND UNIT ACAug 2024MARATHON OIL EF LLCMARATHON OIL EF LLC