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FIRE OPAL UNIT AC

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

1 well

6,328bbl oil, last 12 months+26% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-11622

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
7,633 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output rose 26% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 26% over the last 12 monthsMonthly oil production and gas for FIRE OPAL UNIT AC, Aug 2023 to Jul 2026. Oil output rose 26% over the last 12 months. 6,328 bbl in the 12 months through Jul 2026, against 5,030 bbl in the 12 months before.Last 12 months: 6,328 bblbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010k5,00012.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 26% over the last 12 monthsMonthly oil production and gas for FIRE OPAL UNIT AC, Aug 2023 to Jul 2026. Oil output rose 26% over the last 12 months. 6,328 bbl in the 12 months through Jul 2026, against 5,030 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010k5,00012.5kJan 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 35.0% of the gas in Jan 2024.

  • 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 FIRE OPAL UNIT AC 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 35.0% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 35.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of FIRE OPAL UNIT AC 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 35.0% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 35.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    82% · 11,202 mcf

  • Lease fuel (1)

    18% · 2,459 mcf

  • Flared (4)

    0.4% · 50 mcf

0.4% of the gas flared in the last 12 months. 11 months above 3%.

1 well on this lease

Wells on FIRE OPAL UNIT AC
API numberWell no.Status
42-255-360361HActive

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 gasBuys100Oct 7, 2018–
Marathon Oil Ef LLCCasinghead gasGathers100Oct 7, 2018–
Enterprise Crude Oil LLCOilGathers1Oct 7, 2018Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Oct 7, 2018Jul 1, 2022
Harvest Midstream CompanyOilGathers97Oct 7, 2018Jul 1, 2022
Trafigura Trading LLCOilGathers1Oct 7, 2018Jul 1, 2022

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

Who buys my oilOil price check

356.23 acres on the newest permit

Permits for Fire Opal Unit Ac
API numberWell no.Acreson the permit
42-255-360361H356.23

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 FIRE OPAL UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$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 202524000$57.97$4.26
Nov 202531932250410$60.06$3.79
Oct 20259549781,0768976$60.89$3.19
Sep 20252,9732,9673,7453,09411$63.96$2.97
Aug 20252,0802,0582,7622,21517$64.86$2.91
Jul 20251251312051621$68.39$3.20
Jun 20251,1321,1251,3201,0594$68.17$3.02
May 2025616227220$62.17$3.12
Apr 202525225338310$63.54$3.42
Mar 20253263271531260$68.24$4.12
Feb 20252972966285212$71.53$4.19
Jan 202529629681670$75.74$4.13
Dec 20244044043,6262,9679$70.12$3.01
Nov 202439739812,49410,42432$69.95$2.12
Oct 20248018021231030$71.99$2.20
Sep 2024619617101850$70.24$2.28
Aug 202432032054450$76.68$1.99
Jul 202423022936262$81.80$2.07
Jun 202413813823172$79.77$2.54
May 2024889015121$80.02$2.12
Apr 202432432554424$85.35$1.60
Mar 202432832455442$81.28$1.49
Feb 202403000$77.25$1.72
Jan 20242642653490122$74.15$3.18
Dec 2023314313144723$71.90$2.52
Nov 2023242242192147$77.69$2.71
Oct 20233103107240122$85.64$2.98
Sep 20232993026670146$89.43$2.64
Aug 20235575581,103319140$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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