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 - Oct 2025
Total Oil Production1,940,738 BBLs
Total Gas Production3,101,944 MCF
Recent Oil Production9,069 BBLs in Sep 2025
Recent Gas Production16,931 MCF in Sep 2025
Wells on Property6

Our Valuation Estimates for Swize McFarland Unit

ShaleAssessment™

$67,270 *

MarketMultiple™

$998,010 **

* 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 Oct 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, TX1,627 BBLs3,817 MCFOct 2025
Boots UnitKarnes County, TX7,244 BBLs51,943 MCFSep 2025
ChallengerKarnes County, TX22,915 BBLs57,186 MCFOct 2025
Charlotte UnitKarnes County, TX9,508 BBLs39,619 MCFOct 2025
FertschKarnes County, TX160 BBLs0 MCFOct 2025
Forister 541Karnes County, TX14,330 BBLs24,634 MCFOct 2025
Forister-Janysek UnitKarnes County, TX5,407 BBLs4,953 MCFOct 2025
Hysaw-HobsonKarnes County, TX18 BBLs0 MCFSep 2025
L. Pittman- F. Janysek Unit SaKarnes County, TX1,124 BBLs3,481 MCFOct 2025
Labus Pittman UnitKarnes County, TX5,459 BBLs6,448 MCFOct 2025
Long-Fischer UnitKarnes County, TX4,774 BBLs8,621 MCFOct 2025
Maurer BooneKarnes County, TX75 BBLs0 MCFSep 2025
Maurer-McFarland UnitKarnes County, TX8,057 BBLs20,373 MCFOct 2025
Maurer-Swize McFarland SaKarnes County, TX984 BBLs2,010 MCFOct 2025
Medina-HoffmanKarnes County, TX8,185 BBLs12,586 MCFOct 2025
Mohr-Hons Medina-Hoffman SaKarnes County, TX2,135 BBLs1,853 MCFOct 2025
Mohr-Hons UnitKarnes County, TX8,284 BBLs10,265 MCFOct 2025
RJ MoczygembaKarnes County, TX1,304 BBLs8,337 MCFOct 2025
RzeppaKarnes County, TX1 BBLs0 MCFSep 2025
TMK UnitKarnes County, TX19,073 BBLs93,246 MCFOct 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
2025RZEPPA JO ANNSWIZE MCFARLAND UNIT AC W#1HMARATHON OIL EF LLC
2025HICKOK MARY JULIASWIZE 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