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Producing

BARNHART (EF) G

Barnhart (Ef) G is an oil lease in Gonzales County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

7 wells

27,635bbl oil, last 12 months−11% vs prior year
Operator
Marathon Oil Ef LLC
County
Gonzales County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17334

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Where it sits

This county

Gonzales CountyGonzalesWilsonLavacaFayetteCaldwellBastropDe WittHaysGuadalupeGonzales County
Gonzales County
Gas, last 12 months
90,644 mcf
Oil in Jul 2026
1,002 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ENSIGN NATURAL RESOURCES II LLC replaced MARATHON OIL EF LLC as the buyer of this lease's gas from oil wells on Sep 1, 2026.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 11% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for BARNHART (EF) G, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 27,635 bbl in the 12 months through Jul 2026, against 31,073 bbl in the 12 months before.Last 12 months: 27,635 bblbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for BARNHART (EF) G, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 27,635 bbl in the 12 months through Jul 2026, against 31,073 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

85% of the gas went to a processing plant in the last 12 months

Flaring peaked at 4.2% of the gas in May 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
85% of the gas went to a processing plant in the last 12 monthsShare of BARNHART (EF) G gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.2% of the gas in May 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
85% of the gas went to a processing plant in the last 12 monthsShare of BARNHART (EF) G gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.2% of the gas in May 2026.Share of gas by disposition code0%50%100%Flared 4.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    85% · 76,709 mcf

  • Lease fuel (1)

    13% · 11,401 mcf

  • Flared (4)

    2.8% · 2,534 mcf

2.8% of the gas flared in the last 12 months. 5 months above 3%.

7 wells on this lease

Wells on BARNHART (EF) G
API numberWell no.Status
42-177-331785HActive
42-177-337311HShut-in
42-177-337322HActive
42-177-337333HActive
42-177-337344HActive
42-177-337406HActive
42-177-337417HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Mv Purchasing, LLCOilGathers34Sep 1, 2026–
Plains Marketing, L.p.OilGathers33Sep 1, 2026–
Shell Trading (Us) CompanyOilGathers33Sep 1, 2026–
Ensign Natural Resources II LLCCasinghead gasBuys100Sep 1, 2026–
Ensign Natural Resources II LLCCasinghead gasGathers100Sep 1, 2026–
Marathon Oil Ef LLCCasinghead gasGathers100Dec 11, 2013Sep 1, 2026
Marathon Oil Ef LLCCasinghead gasBuys100Dec 11, 2013Sep 1, 2026
Enterprise Crude Oil LLCOilGathers20Sep 1, 2022Sep 1, 2026
Phillips 66 CompanyOilGathers10Jan 31, 2022Sep 1, 2026
Reynolds Energy Transport LLCOilGathers10Jul 1, 2022Sep 1, 2026
Sentinel Transportation, LLCOilGathers10Sep 1, 2022Sep 1, 2026

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

Who buys my oilOil price check

352.66 acres on the newest permit

  • Good to know

    7 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.

  • 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 Barnhart (Ef) G
API numberWell no.Acreson the permit
42-177-337417H352.66
42-177-337406H352.66
42-177-337322H352.66
42-177-337333H352.66
42-177-337344H352.66
42-177-337311H352.66
42-177-331785H352.66

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 BARNHART (EF) G
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,0021,0002,6702,24051$80.46$2.89
Jun 20268418392,0401,70278$84.81$3.15
May 20268999182,7152,232115$102.13$2.94
Apr 20261,8211,8455,7074,782219$100.32$2.77
Mar 20262,8152,7939,3417,678164$91.38$3.04
Feb 20262,4542,4699,3447,910256$64.51$3.62
Jan 20262,9442,95111,2349,443352$60.04$7.72
Dec 20254,1294,14012,22610,298279$57.97$4.26
Nov 20254,0884,04811,4849,833316$60.06$3.79
Oct 20251,8051,7945,6614,99593$60.89$3.19
Sep 20251,7671,7926,8125,900182$63.96$2.97
Aug 20253,0703,08611,4109,696429$64.86$2.91
Jul 20254,2494,21912,10410,92878$68.39$3.20
Jun 20251,9711,9606,9196,23157$68.17$3.02
May 20252,0672,0687,5516,80557$62.17$3.12
Apr 20252,5542,5558,0597,304103$63.54$3.42
Mar 20252,6932,6888,5437,840145$68.24$4.12
Feb 20252,2552,2887,7717,204104$71.53$4.19
Jan 20252,6842,6658,6887,971109$75.74$4.13
Dec 20242,6272,6219,0868,361153$70.12$3.01
Nov 20242,5712,5698,9198,214163$69.95$2.12
Oct 20242,6422,6438,2777,611141$71.99$2.20
Sep 20242,1282,1427,2046,568192$70.24$2.28
Aug 20242,6322,6429,3598,60494$76.68$1.99
Jul 20244,1924,19014,26513,169176$81.80$2.07
Jun 20244,2114,20412,44311,449166$79.77$2.54
May 20244,2264,21112,68811,684112$80.02$2.12
Apr 20242,6002,5987,6757,14463$85.35$1.60
Mar 20242,5862,58110,4139,74866$81.28$1.49
Feb 20242,3122,3419,5468,97539$77.25$1.72
Jan 20243,7253,70113,63012,767123$74.15$3.18
Dec 20234,7574,75914,05213,20782$71.90$2.52
Nov 20234,8784,91514,39713,60444$77.69$2.71
Oct 20235,0205,01113,97013,15773$85.64$2.98
Sep 20235,7765,77416,64615,649168$89.43$2.64
Aug 20235,8075,91116,96915,853161$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-1)CountyGonzales County

Marathon Oil Ef LLC in Gonzales County

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Eagleville (Eagle Ford-1) field

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