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Royalty Clerk

Texas gas well

Producing

RANCHO GRANDE TRUST UNIT NO. 1

Rancho Grande Trust Unit No. 1 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

Gas well dossier

27,592mcf gas, last 12 months+57% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-294677

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
6,253 bbl
Gas in Jul 2026
2,736 mcf

Production by month

Gas output rose 57% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 57% over the last 12 monthsMonthly gas production and oil for RANCHO GRANDE TRUST UNIT NO. 1, Aug 2023 to Jul 2026. Gas output rose 57% over the last 12 months. 27,592 mcf in the 12 months through Jul 2026, against 17,555 mcf in the 12 months before.Last 12 months: 27,592 mcfmcf per monthbbl per month002,0005004,0001,0006,0001,5008,0002,00010k2,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 57% over the last 12 monthsMonthly gas production and oil for RANCHO GRANDE TRUST UNIT NO. 1, Aug 2023 to Jul 2026. Gas output rose 57% over the last 12 months. 27,592 mcf in the 12 months through Jul 2026, against 17,555 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0005004,0001,0006,0001,5008,0002,00010k2,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

80% of the gas went to a processing plant in the last 12 months

Flaring peaked at 3.3% of the gas in Sep 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
80% of the gas went to a processing plant in the last 12 monthsShare of RANCHO GRANDE TRUST UNIT NO. 1 gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.3% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
80% of the gas went to a processing plant in the last 12 monthsShare of RANCHO GRANDE TRUST UNIT NO. 1 gas by disposition code each month, Aug 2023 to Jul 2026. 80% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.3% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Flared 3.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    80% · 22,205 mcf

  • Lease fuel (1)

    19% · 5,175 mcf

  • Flared (4)

    0.8% · 212 mcf

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

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Marathon Oil Ef LLCCondensateGathers25Dec 3, 2017
Plains Pipeline L.p.CondensateGathers25Dec 3, 2017
Statewide Crude Inc.CondensateGathers25Dec 3, 2017
Trafigura Trading LLCCondensateGathers25Dec 3, 2017
Marathon Oil Ef LLCGas-well gasBuys100Dec 3, 2017
Marathon Oil Ef LLCGas-well gasGathers100Dec 3, 2017

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

Who buys my oilOil price check

619.95 acres on the newest permit

Check your decimal on this lease
Permits for Rancho Grande Trust Unit No. 1
API numberWell no.Acreson the permit
42-255-3550510H619.95

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 RANCHO GRANDE TRUST UNIT NO. 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264884912,7362,1127$80.46$2.89
Jun 20265555563,2812,6008$84.81$3.15
May 20265895893,6342,94430$102.13$2.94
Apr 20266796813,4842,79710$100.32$2.77
Mar 20266236142,6912,19425$91.38$3.04
Feb 20263623661,2681,0425$64.51$3.62
Jan 20266526552,6312,11751$60.04$7.72
Dec 20257507572,6712,15825$57.97$4.26
Nov 20259699412,8972,3729$60.06$3.79
Oct 20251219540$60.89$3.19
Sep 202518919330241$63.96$2.97
Aug 20253853822,2641,84141$64.86$2.91
Jul 20252983073,2392,57634$68.39$3.20
Jun 20256026052,6382,09213$68.17$3.02
May 20258468453,4222,7608$62.17$3.12
Apr 20258308353,3262,73111$63.54$3.42
Mar 20251,0841,0683,4542,8976$68.24$4.12
Feb 20253653654123396$71.53$4.19
Jan 20253963881,0598907$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202400000$71.99$2.20
Sep 202401000$70.24$2.28
Aug 20243736540$76.68$1.99
Jul 202400000$81.80$2.07
Jun 202425265374681$79.77$2.54
May 202465651,0188953$80.02$2.12
Apr 202491998737639$85.35$1.60
Mar 20249869924,6024,01927$81.28$1.49
Feb 20241,1571,1554,2413,64221$77.25$1.72
Jan 20247607702,3311,88335$74.15$3.18
Dec 20231,3721,3695,1994,41937$71.90$2.52
Nov 20231,5251,5235,6194,8099$77.69$2.71
Oct 20231,8171,8206,7165,82932$85.64$2.98
Sep 20232,0882,0897,1866,3085$89.43$2.64
Aug 20232,4282,4407,2766,35322$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 LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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New drilling permits in Karnes County

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