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Texas oil lease

Producing

SWIZE MCFARLAND UNIT

Swize McFarland Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

4 wells

74,249bbl oil, last 12 months−9% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10324

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
122,543 mcf
Oil in Jul 2026
6,964 bbl

Production by month

Oil output fell 9% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for SWIZE MCFARLAND UNIT, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 74,249 bbl in the 12 months through Jul 2026, against 81,262 bbl in the 12 months before.Last 12 months: 74,249 bblbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for SWIZE MCFARLAND UNIT, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 74,249 bbl in the 12 months through Jul 2026, against 81,262 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

76% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
76% of the gas went to a processing plant in the last 12 monthsShare of SWIZE MCFARLAND UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
76% of the gas went to a processing plant in the last 12 monthsShare of SWIZE MCFARLAND UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    76% · 93,589 mcf

  • Lease fuel (1)

    23% · 27,635 mcf

  • Flared (4)

    1.1% · 1,319 mcf

1.1% of the gas flared in the last 12 months. No month above 3%.

4 wells on this lease

Wells on SWIZE MCFARLAND UNIT
API numberWell no.Status
42-255-327931HActive
42-255-366482HActive
42-255-366493HActive
42-255-366504HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Endeavor Crude, LLCOilGathers25Jan 1, 2024–
Enterprise Crude Oil LLCOilGathers25Jan 1, 2024–
Genesis Crude Oil, L.p.OilGathers25Jan 1, 2024–
Statewide Crude Inc.OilGathers25Jan 1, 2024–
Marathon Oil Ef LLCCasinghead gasBuys100Dec 13, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Dec 13, 2012–
Dks Transport LLCOilGathers25Nov 1, 2021Jan 1, 2024
Harvest Midstream CompanyOilGathers25Nov 1, 2021Jan 1, 2024
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022Jan 1, 2024
Trafigura Trading LLCOilGathers25Nov 1, 2021Jan 1, 2024
Gulfmark Energy, Inc.OilGathers25Nov 1, 2021Jul 1, 2022
Gulfmark Energy, Inc.OilGathers10Dec 13, 2012Nov 1, 2021

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

330.89 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 327.13 and 330.89 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Swize McFarland Unit
API numberWell no.Acreson the permit
42-255-366482H330.89
42-255-366493H330.89
42-255-366504H330.89
42-255-327931H327.13

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for SWIZE MCFARLAND UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266,9646,91011,7888,753124$80.46$2.89
Jun 20266,1486,16710,1387,52983$84.81$3.15
May 20266,1496,1379,7187,276158$102.13$2.94
Apr 20265,5165,4909,1907,071127$100.32$2.77
Mar 20265,4995,52310,2477,77876$91.38$3.04
Feb 20265,0054,9618,7426,48066$64.51$3.62
Jan 20264,7364,8107,9636,05668$60.04$7.72
Dec 20256,3486,36010,6198,29569$57.97$4.26
Nov 20257,2347,17811,2258,92867$60.06$3.79
Oct 20257,3247,35912,3729,88290$60.89$3.19
Sep 20257,7717,71312,2729,654253$63.96$2.97
Aug 20255,5555,5478,2695,887138$64.86$2.91
Jul 20256,2986,31110,1076,909183$68.39$3.20
Jun 20256,6606,65810,3238,22259$68.17$3.02
May 20256,4196,40811,5579,38357$62.17$3.12
Apr 20256,3256,34610,8338,81385$63.54$3.42
Mar 20257,4357,43211,4629,37959$68.24$4.12
Feb 20256,6936,6739,0127,128158$71.53$4.19
Jan 20257,5887,58111,2669,049136$75.74$4.13
Dec 20247,9977,97811,9419,72529$70.12$3.01
Nov 20246,6196,64012,65910,03167$69.95$2.12
Oct 20246,5216,48811,6029,238104$71.99$2.20
Sep 20246,6306,63412,0269,83473$70.24$2.28
Aug 20246,0776,08810,5008,61281$76.68$1.99
Jul 20246,5166,49811,7829,53654$81.80$2.07
Jun 20246,3836,39510,6788,445180$79.77$2.54
May 20246,3276,38312,1469,416236$80.02$2.12
Apr 20246,7516,77311,9959,668101$85.35$1.60
Mar 20247,7327,68713,69111,389149$81.28$1.49
Feb 20246,3116,31211,6499,33085$77.25$1.72
Jan 20246,1286,11213,26310,01469$74.15$3.18
Dec 20237,0947,10115,33011,416116$71.90$2.52
Nov 20237,0267,00115,35111,790135$77.69$2.71
Oct 20237,3927,45616,07712,734174$85.64$2.98
Sep 20239,0809,06916,79313,274171$89.43$2.64
Aug 20239,6679,67117,92113,769186$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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