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Texas oil lease

Producing

BRYSCH-JONAS UNIT B

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

4 wells

9,479bbl oil, last 12 months−32% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10043

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
25,208 mcf
Oil in Jul 2026
118 bbl

Production by month

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for BRYSCH-JONAS UNIT B, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 9,479 bbl in the 12 months through Jul 2026, against 14,032 bbl in the 12 months before.Last 12 months: 9,479 bblbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020k5,00025kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for BRYSCH-JONAS UNIT B, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 9,479 bbl in the 12 months through Jul 2026, against 14,032 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020k5,00025kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 4.1% of the gas in Nov 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of BRYSCH-JONAS UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.1% of the gas in Nov 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 4.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of BRYSCH-JONAS UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.1% of the gas in Nov 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 4.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    66% · 23,882 mcf

  • Lease fuel (1)

    33% · 12,173 mcf

  • Flared (4)

    1.1% · 388 mcf

1.1% of the gas flared in the last 12 months. 2 months above 3%.

4 wells on this lease

Wells on BRYSCH-JONAS UNIT B
API numberWell no.Status
42-255-322601HActive
42-255-340473HActive
42-255-340484HShut-in
42-255-342612HRActive

SourceTexas Railroad Commission Wellbore Query.

265.35 acres on the newest permit

Permits for Brysch-Jonas Unit B
API numberWell no.Acreson the permit
42-255-342612HR265.35
42-255-340473H265.35
42-255-340484H265.35
42-255-322601H265.38

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 BRYSCH-JONAS UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261181222421682$80.46$2.89
Jun 20262232132661922$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 2026021000$91.38$3.04
Feb 20268128125,2414,08063$64.51$3.62
Jan 20261,1691,1752,7162,07734$60.04$7.72
Dec 20251,1031,1102,5121,91722$57.97$4.26
Nov 20251,5341,5516,7234,52049$60.06$3.79
Oct 20251,9561,9331,44293612$60.89$3.19
Sep 20251,2111,2122,5521,63638$63.96$2.97
Aug 20251,3531,3523,5142,05461$64.86$2.91
Jul 20251,3821,3835,1922,89959$68.39$3.20
Jun 20251,5361,5282,7751,50524$68.17$3.02
May 20251,4111,4073,2681,89822$62.17$3.12
Apr 20251,3191,3245,8973,62443$63.54$3.42
Mar 20251,3631,3503,9912,45621$68.24$4.12
Feb 20257577574692883$71.53$4.19
Jan 20253944036,2453,80846$75.74$4.13
Dec 202490590322,90314,731105$70.12$3.01
Nov 20241,0291,0328,5975,74457$69.95$2.12
Oct 20241,0861,0951,1177545$71.99$2.20
Sep 20241,5981,5901,2158484$70.24$2.28
Aug 20241,2521,2491,5109949$76.68$1.99
Jul 20241,4641,4621,6811,1285$81.80$2.07
Jun 20241,1021,1191,4028466$79.77$2.54
May 20241,3771,3701,23276411$80.02$2.12
Apr 20241,2241,2211,02161623$85.35$1.60
Mar 20241,7551,7563,6962,31643$81.28$1.49
Feb 20241,5871,5872,9541,27386$77.25$1.72
Jan 20241,4161,4222,8511,314113$74.15$3.18
Dec 20231,8791,8652,69197359$71.90$2.52
Nov 20231,0571,0691,1611548$77.69$2.71
Oct 20231,9131,9141,61154737$85.64$2.98
Sep 20232,0722,0851,83565427$89.43$2.64
Aug 20232,7482,7562,64172571$81.39$2.58

Flared above 3%

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