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Producing

SWIZE MCFARLAND UNIT AC

Swize McFarland Unit Ac is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

1 well

16,304bbl oil, last 12 months−10% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-11874

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
54,874 mcf
Oil in Jul 2026
1,137 bbl

Production by month

Oil output fell 10% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for SWIZE MCFARLAND UNIT AC, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 16,304 bbl in the 12 months through Jul 2026, against 18,054 bbl in the 12 months before.Last 12 months: 16,304 bblbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 10% over the last 12 monthsMonthly oil production and gas for SWIZE MCFARLAND UNIT AC, Aug 2023 to Jul 2026. Oil output fell 10% over the last 12 months. 16,304 bbl in the 12 months through Jul 2026, against 18,054 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,000Jan 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 AC 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 AC 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% · 41,938 mcf

  • Lease fuel (1)

    23% · 12,347 mcf

  • Flared (4)

    1.1% · 589 mcf

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

1 well on this lease

Wells on SWIZE MCFARLAND UNIT AC
API numberWell no.Status
42-255-366511HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Dec 9, 2019–
Marathon Oil Ef LLCCasinghead gasGathers100Dec 9, 2019–
Enterprise Crude Oil LLCOilGathers1Dec 9, 2019Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Dec 9, 2019Jul 1, 2022
Harvest Midstream CompanyOilGathers97Dec 9, 2019Jul 1, 2022
Trafigura Trading LLCOilGathers1Dec 9, 2019Jul 1, 2022

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

Who buys my oilOil price check

330.89 acres on the newest permit

Check your decimal on this lease
Permits for Swize McFarland Unit Ac
API numberWell no.Acreson the permit
42-255-366511H330.89

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 AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,1371,1293,0502,26532$80.46$2.89
Jun 20261,0581,0663,7612,79331$84.81$3.15
May 20261,2051,2144,6403,47475$102.13$2.94
Apr 20261,4521,4555,6184,32377$100.32$2.77
Mar 20261,8671,8446,6975,08350$91.38$3.04
Feb 20267397432,2171,64317$64.51$3.62
Jan 20261,1061,1294,2073,20036$60.04$7.72
Dec 20251,6881,6905,5204,31236$57.97$4.26
Nov 20251,8611,8385,5664,42733$60.06$3.79
Oct 20251,4731,4744,4743,57432$60.89$3.19
Sep 20251,2981,2994,6593,66596$63.96$2.97
Aug 20251,4201,4074,4653,17974$64.86$2.91
Jul 20251,0131,0194,5533,11283$68.39$3.20
Jun 20251,2611,2664,5353,61226$68.17$3.02
May 20251,5021,5064,9764,04024$62.17$3.12
Apr 20251,8221,8115,5274,49644$63.54$3.42
Mar 20251,2151,2193,8923,18520$68.24$4.12
Feb 20251,3291,3263,4612,73761$71.53$4.19
Jan 20251,5381,5374,0193,22849$75.74$4.13
Dec 20241,7211,7204,7093,83512$70.12$3.01
Nov 20241,6301,6374,7803,78825$69.95$2.12
Oct 20241,7031,6935,0003,98145$71.99$2.20
Sep 20241,6231,6274,5483,72027$70.24$2.28
Aug 20241,6971,6995,0194,11639$76.68$1.99
Jul 20241,7221,7185,2974,28824$81.80$2.07
Jun 20241,8001,8015,2134,12388$79.77$2.54
May 20241,5681,5905,1924,025101$80.02$2.12
Apr 20242,0882,1105,6664,56748$85.35$1.60
Mar 20243,0723,0566,6255,51172$81.28$1.49
Feb 20242,6362,6146,7465,69239$77.25$1.72
Jan 20241,4321,4393,4882,30225$74.15$3.18
Dec 20232,3612,3556,2814,77745$71.90$2.52
Nov 20231,8411,8356,0154,66451$77.69$2.71
Oct 20231,9501,9656,6155,23872$85.64$2.98
Sep 20232,2562,2547,0335,49375$89.43$2.64
Aug 20232,4512,4506,8815,13278$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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