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Texas oil lease

Producing

JAUER-SONKA UNIT

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

9 wells

73,901bbl oil, last 12 months−30% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10590

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
58,152 mcf
Oil in Jul 2026
8,652 bbl

Production by month

Oil output fell 30% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for JAUER-SONKA UNIT, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 73,901 bbl in the 12 months through Jul 2026, against 105,620 bbl in the 12 months before.Last 12 months: 73,901 bblbbl per monthmcf per month002,5002,5005,0005,0007,5007,50010k10k12.5k12.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for JAUER-SONKA UNIT, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 73,901 bbl in the 12 months through Jul 2026, against 105,620 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5002,5005,0005,0007,5007,50010k10k12.5k12.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a processing plant in the last 12 months

Flaring peaked at 8.0% of the gas in Apr 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
81% of the gas went to a processing plant in the last 12 monthsShare of JAUER-SONKA UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.0% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 8.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
81% of the gas went to a processing plant in the last 12 monthsShare of JAUER-SONKA UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.0% of the gas in Apr 2024.Share of gas by disposition code0%50%100%Flared 8.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 47,069 mcf

  • Lease fuel (1)

    18% · 10,628 mcf

  • Flared (4)

    0.8% · 455 mcf

0.8% of the gas flared in the last 12 months. 5 months above 3%.

9 wells on this lease

Wells on JAUER-SONKA UNIT
API numberWell no.Status
42-255-331221HActive
42-255-340552HActive
42-255-340683HActive
42-255-34069501HActive
42-255-34070502HActive
42-255-34938503HActive
42-255-349394HActive
42-255-34940504HActive
42-255-349415HActive

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 gasBuys100May 3, 2013–
Marathon Oil Ef LLCCasinghead gasGathers100May 3, 2013–
Gulfmark Energy, Inc.OilGathers10May 3, 2013Jul 1, 2022
Statewide Crude Inc.OilGathers90May 3, 2013Jul 1, 2022

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

Who buys my oilOil price check

327.46 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • Good to know

    The wells on this lease state different acreage

    The permits state between 276.85 and 327.46 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    9 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Jauer-Sonka Unit
API numberWell no.Acreson the permit
42-255-349415H327.46
42-255-34940504H327.46
42-255-34938503H327.46
42-255-349394H327.46
42-255-340683H327.46
42-255-34069501H327.46
42-255-34070502H327.46
42-255-340552H327.46
42-255-331221H276.85

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 JAUER-SONKA UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20268,6528,5818,3396,72930$80.46$2.89
Jun 20264,7264,7153,8713,14221$84.81$3.15
May 20264,0064,0292,9802,38356$102.13$2.94
Apr 20263,7473,7282,9942,33969$100.32$2.77
Mar 20264,0884,0713,0632,40941$91.38$3.04
Feb 20263,6843,7022,2781,82627$64.51$3.62
Jan 20265,4025,4403,2192,57535$60.04$7.72
Dec 20257,9727,9186,2965,05953$57.97$4.26
Nov 20255,5765,5875,5564,55118$60.06$3.79
Oct 20259,1059,1118,9477,45553$60.89$3.19
Sep 20255,5015,5763,7813,12411$63.96$2.97
Aug 202511,44211,4036,8285,47741$64.86$2.91
Jul 202510,13710,1056,7835,34934$68.39$3.20
Jun 20259,0038,9985,6194,50819$68.17$3.02
May 20259,3509,3456,1204,94713$62.17$3.12
Apr 20259,8879,91110,6168,61036$63.54$3.42
Mar 202512,25612,26511,5789,49127$68.24$4.12
Feb 20258,6658,6357,3566,10226$71.53$4.19
Jan 20259,8689,8557,7766,39736$75.74$4.13
Dec 20246,5536,5586,1805,05715$70.12$3.01
Nov 202410,76410,7508,1406,79121$69.95$2.12
Oct 20247,1817,1935,0904,25517$71.99$2.20
Sep 20247,0337,0236,1195,16310$70.24$2.28
Aug 20244,9234,9453,9773,31313$76.68$1.99
Jul 20245,2875,3085,0243,653219$81.80$2.07
Jun 20247,0347,0576,8865,088486$79.77$2.54
May 20248,0247,9958,0576,374503$80.02$2.12
Apr 20246,6616,6457,6015,876608$85.35$1.60
Mar 20244,4674,4906,8175,369306$81.28$1.49
Feb 20245,4995,4916,7596,273114$77.25$1.72
Jan 20245,1685,1845,7475,271155$74.15$3.18
Dec 20236,5926,5357,0366,60867$71.90$2.52
Nov 20232,4742,5022,6452,47339$77.69$2.71
Oct 20235,8955,9026,6146,23160$85.64$2.98
Sep 20235,9876,0357,1906,77882$89.43$2.64
Aug 20239,8829,88710,5999,990100$81.39$2.58

Flared above 3%

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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Eagleville (Eagle Ford-2) field

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