Skip to content
Royalty Clerk

Texas oil lease

Producing

GROSS-ROBERT-LUNA PSA

Gross-Robert-Luna Psa is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

1 well

14,017bbl oil, last 12 months−1% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-11850

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
35,500 mcf
Oil in Jul 2026
1,263 bbl

Production by month

Oil output held steady over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production and gas for GROSS-ROBERT-LUNA PSA, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 14,017 bbl in the 12 months through Jul 2026, against 14,199 bbl in the 12 months before.Last 12 months: 14,017 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production and gas for GROSS-ROBERT-LUNA PSA, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 14,017 bbl in the 12 months through Jul 2026, against 14,199 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

86% of the gas went to a processing plant in the last 12 months

Flaring peaked at 4.0% of the gas in Feb 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
86% of the gas went to a processing plant in the last 12 monthsShare of GROSS-ROBERT-LUNA PSA gas by disposition code each month, Aug 2023 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
86% of the gas went to a processing plant in the last 12 monthsShare of GROSS-ROBERT-LUNA PSA gas by disposition code each month, Aug 2023 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Flared 4.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 30,637 mcf

  • Lease fuel (1)

    13% · 4,581 mcf

  • Flared (4)

    0.8% · 282 mcf

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

1 well on this lease

Wells on GROSS-ROBERT-LUNA PSA
API numberWell no.Status
42-255-365241HActive

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–
Plains Pipeline L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Sep 4, 2019–
Marathon Oil Ef LLCCasinghead gasGathers100Sep 4, 2019–
Enterprise Crude Oil LLCOilGathers1Sep 4, 2019Jul 1, 2022
Gulfmark Energy, Inc.OilGathers1Sep 4, 2019Jul 1, 2022
Plains Pipeline L.p.OilGathers97Sep 4, 2019Jul 1, 2022
Trafigura Trading LLCOilGathers1Sep 4, 2019Jul 1, 2022

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

Who buys my oilOil price check

1,324.64 acres on the newest permit

  • Worth asking

    A production sharing agreement well is on this lease

    A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Gross-Robert-Luna Psa
API numberWell no.Acreson the permit
42-255-365241H1,324.64

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 GROSS-ROBERT-LUNA PSA
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,2631,2765,0904,34227$80.46$2.89
Jun 20261,4031,3951841561$84.81$3.15
May 20261,1711,1624,8914,23527$102.13$2.94
Apr 20261,1841,1871601410$100.32$2.77
Mar 20261,1641,1945,7615,00940$91.38$3.04
Feb 20261,2741,2402,8462,347113$64.51$3.62
Jan 20261,2381,2641421222$60.04$7.72
Dec 20251,8131,7802201921$57.97$4.26
Nov 20256206152,1191,8779$60.06$3.79
Oct 20257917923,6853,21011$60.89$3.19
Sep 20259299494,7974,16815$63.96$2.97
Aug 20251,1671,1755,6054,83836$64.86$2.91
Jul 20251,6141,6435,9535,01637$68.39$3.20
Jun 20251,3801,3785,1764,05642$68.17$3.02
May 20251,4181,3726,1164,64729$62.17$3.12
Apr 20254164246,1674,69929$63.54$3.42
Mar 20257247466,2294,67935$68.24$4.12
Feb 20258308455,9354,48830$71.53$4.19
Jan 20251,3721,3836,5764,97939$75.74$4.13
Dec 20241,5551,5397,3265,70947$70.12$3.01
Nov 20241,5261,5158,1646,42038$69.95$2.12
Oct 20241,1621,1435,8344,54334$71.99$2.20
Sep 20249639834,1473,31024$70.24$2.28
Aug 20241,2391,2495,2764,01826$76.68$1.99
Jul 20241,5221,5117,8385,69461$81.80$2.07
Jun 20241,6041,6159,9687,81880$79.77$2.54
May 20241,8171,8149,9127,65260$80.02$2.12
Apr 20242,0031,9709,7497,547106$85.35$1.60
Mar 202497597811,3058,98045$81.28$1.49
Feb 202493895310,9439,91920$77.25$1.72
Jan 20241,4711,46411,63010,55437$74.15$3.18
Dec 20231,7361,75012,15211,00426$71.90$2.52
Nov 20231,7961,79712,43511,27533$77.69$2.71
Oct 20232,0622,05313,16811,93133$85.64$2.98
Sep 20232,1512,14912,35311,21225$89.43$2.64
Aug 20232,0862,07214,09012,88830$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

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