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Texas oil lease

Producing

BARNHART (EF) D

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

8 wells

7,023bbl oil, last 12 months−53% vs prior year
Operator
Marathon Oil Ef LLC
County
Gonzales County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17171

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Where it sits

This county

Gonzales CountyGonzalesWilsonLavacaFayetteCaldwellBastropDe WittHaysGuadalupeGonzales County
Gonzales County
Gas, last 12 months
12,922 mcf
Oil in Jul 2026
2,256 bbl

Production by month

Oil output fell 53% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for BARNHART (EF) D, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 7,023 bbl in the 12 months through Jul 2026, against 15,067 bbl in the 12 months before.Last 12 months: 7,023 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for BARNHART (EF) D, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 7,023 bbl in the 12 months through Jul 2026, against 15,067 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,0002,50010kJan 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) D 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) D 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% · 11,009 mcf

  • Lease fuel (1)

    12% · 1,574 mcf

  • Flared (4)

    2.6% · 339 mcf

2.6% of the gas flared in the last 12 months. 5 months above 3%.

8 wells on this lease

Wells on BARNHART (EF) D
API numberWell no.Status
42-177-330883HShut-in
42-177-330896HActive
42-177-331561HShut-in
42-177-331604HShut-in
42-177-331612HActive
42-177-331625HShut-in
42-177-334597HShut-in
42-177-334708HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
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

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

Who buys my oilOil price check

312.63 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • Good to know

    8 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) D
API numberWell no.Acreson the permit
42-177-334708H312.63
42-177-334597H312.63
42-177-331625H312.63
42-177-331604H312.63
42-177-331612H312.63
42-177-331561H312.63
42-177-330883H312.63
42-177-330896H312.63

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) D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,2562,2102,8872,42255$80.46$2.89
Jun 202617717336630514$84.81$3.15
May 20260095784$102.13$2.94
Apr 2026032371999$100.32$2.77
Mar 20261541562361944$91.38$3.04
Feb 202632332357048216$64.51$3.62
Jan 202626626288174028$60.04$7.72
Dec 20259910183370219$57.97$4.26
Nov 202514714976565521$60.06$3.79
Oct 20252832981,6411,44827$60.89$3.19
Sep 20251,6851,6892,1471,86057$63.96$2.97
Aug 20251,6331,6412,2641,92485$64.86$2.91
Jul 20252,2092,2122,7522,48418$68.39$3.20
Jun 20252,1512,1232,0961,88817$68.17$3.02
May 20257017019018127$62.17$3.12
Apr 20258048051,1701,06015$63.54$3.42
Mar 20259439421,7751,62930$68.24$4.12
Feb 20259539721,8681,73225$71.53$4.19
Jan 20251,3491,3361,8081,65823$75.74$4.13
Dec 20241,0461,0411,5451,42226$70.12$3.01
Nov 20248318361,6591,52830$69.95$2.12
Oct 20241,3631,3622,4772,27842$71.99$2.20
Sep 20241,0581,0702,5022,28167$70.24$2.28
Aug 20241,6591,6564,2293,88842$76.68$1.99
Jul 20241,8351,8294,5434,19456$81.80$2.07
Jun 20241,3221,3233,3183,05344$79.77$2.54
May 20241,6531,6564,5894,22641$80.02$2.12
Apr 20241,9091,9115,6305,24146$85.35$1.60
Mar 20242,2862,2836,2585,85840$81.28$1.49
Feb 20242,3222,3195,9515,59724$77.25$1.72
Jan 20241,1901,1812,2172,07720$74.15$3.18
Dec 20231,2251,2282,5942,43815$71.90$2.52
Nov 20231,6901,7032,7492,5988$77.69$2.71
Oct 20231,7651,7593,8233,60120$85.64$2.98
Sep 20231,7011,7034,0763,83341$89.43$2.64
Aug 20232,0982,1223,9053,64937$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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