Skip to content
Royalty Clerk

Texas oil lease

Producing

YOSKO-WITTE UNIT

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

2 wells

1,817bbl oil, last 12 months−78% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10505

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
1,190 mcf
Oil in Jul 2026
614 bbl

Production by month

Oil output fell 78% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 78% over the last 12 monthsMonthly oil production and gas for YOSKO-WITTE UNIT, Aug 2023 to Jul 2026. Oil output fell 78% over the last 12 months. 1,817 bbl in the 12 months through Jul 2026, against 8,441 bbl in the 12 months before.Last 12 months: 1,817 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 78% over the last 12 monthsMonthly oil production and gas for YOSKO-WITTE UNIT, Aug 2023 to Jul 2026. Oil output fell 78% over the last 12 months. 1,817 bbl in the 12 months through Jul 2026, against 8,441 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

62% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
62% of the gas went to a processing plant in the last 12 monthsShare of YOSKO-WITTE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 62% 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
62% of the gas went to a processing plant in the last 12 monthsShare of YOSKO-WITTE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 62% 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)

    62% · 3,801 mcf

  • Lease fuel (1)

    38% · 2,319 mcf

  • Flared (4)

    0.7% · 44 mcf

0.7% of the gas flared in the last 12 months. No month above 3%.

2 wells on this lease

Wells on YOSKO-WITTE UNIT
API numberWell no.Status
42-255-329191HActive
42-255-329202HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Statewide Crude Inc.OilGathers50Jul 1, 2022–
Plains Pipeline L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Apr 15, 2013–
Marathon Oil Ef LLCCasinghead gasGathers100Apr 15, 2013–
Gulfmark Energy, Inc.OilGathers10Apr 15, 2013Jul 1, 2022
Statewide Crude Inc.OilGathers90Apr 15, 2013Jul 1, 2022

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

Who buys my oilOil price check

169.75 acres on the newest permit

Permits for Yosko-Witte Unit
API numberWell no.Acreson the permit
42-255-329191H169.75
42-255-329202H167.75

SourceRailroad Commission drilling permits, Sep 26, 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 YOSKO-WITTE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266146103852673$80.46$2.89
Jun 20266216224543273$84.81$3.15
May 20265825533442603$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202503740$64.86$2.91
Jul 20251521642831583$68.39$3.20
Jun 20257897891,09859510$68.17$3.02
May 20251,0071,0091,2227108$62.17$3.12
Apr 20251,3061,2891,1727218$63.54$3.42
Mar 202513154192582$68.24$4.12
Feb 2025155160320$71.53$4.19
Jan 20252832981060$75.74$4.13
Dec 20241,1521,1437674934$70.12$3.01
Nov 20248768781,1327568$69.95$2.12
Oct 20248548531,2598506$71.99$2.20
Sep 20248048071,1427974$70.24$2.28
Aug 20241,0501,0481,8331,20710$76.68$1.99
Jul 20241,2871,2882,8431,9088$81.80$2.07
Jun 20241,1551,1667,1554,31830$79.77$2.54
May 20241,1381,1332,9141,80727$80.02$2.12
Apr 20241,0831,0803,0051,81367$85.35$1.60
Mar 20241,5111,5045,0533,16659$81.28$1.49
Feb 20248178332272061$77.25$1.72
Jan 20241,6821,6771,50993842$74.15$3.18
Dec 20231,4541,4502,6341,59936$71.90$2.52
Nov 20231,3421,3441,68587734$77.69$2.71
Oct 20231,5201,5192,0081,30125$85.64$2.98
Sep 20231,5131,5153,1462,42517$89.43$2.64
Aug 20231,4371,4361,5601,26911$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

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

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Eagleville (Eagle Ford-2) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km