Skip to content
Royalty Clerk

Texas oil lease

Producing

HENKE-WILHELM UNIT A

Henke-Wilhelm Unit A is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

7 wells

26,444bbl oil, last 12 months−32% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15857

Is your check right?

Check my statement

Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
27,048 mcf
Oil in Jul 2026
4,643 bbl

Production by month

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for HENKE-WILHELM UNIT A, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 26,444 bbl in the 12 months through Jul 2026, against 38,735 bbl in the 12 months before.Last 12 months: 26,444 bblbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for HENKE-WILHELM UNIT A, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 26,444 bbl in the 12 months through Jul 2026, against 38,735 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kJan 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 12.5% of the gas in Aug 2023.

  • 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 HENKE-WILHELM UNIT A 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 12.5% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 12.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of HENKE-WILHELM UNIT A 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 12.5% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 12.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    75% · 20,188 mcf

  • Lease fuel (1)

    23% · 6,344 mcf

  • Flared (4)

    1.9% · 516 mcf

1.9% of the gas flared in the last 12 months. 21 months above 3%.

7 wells on this lease

Wells on HENKE-WILHELM UNIT A
API numberWell no.Status
42-013-344611HShut-in
42-013-355015HActive
42-013-355026HActive
42-013-355037HActive
42-013-355052HActive
42-013-355063HActive
42-013-355074HActive

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–
Genesis Crude Oil, L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Statewide Crude Inc.OilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasGathers100Jul 1, 2022–
Enterprise Crude Oil LLCOilGathers20Mar 14, 2012Jul 1, 2022
Genesis Crude Oil, L.p.OilGathers10Mar 14, 2012Jul 1, 2022
Gulfmark Energy, Inc.OilGathers35Mar 14, 2012Jul 1, 2022
Permian Crude Transport, LPOilGathers5Dec 1, 2016Jul 1, 2022
Shell Trading (Us) CompanyOilGathers20Mar 14, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers10Mar 14, 2012Jul 1, 2022

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

Who buys my oilOil price check

317.92 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 317.39 and 317.92 acres. Use the acres from your own division order for the well you are paid on.

  • 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.

Check your decimal on this lease
Permits for Henke-Wilhelm Unit A
API numberWell no.Acreson the permit
42-013-355063H317.92
42-013-355074H317.92
42-013-355052H317.92
42-013-355015H317.92
42-013-355026H317.92
42-013-355037H317.92
42-013-344611H317.39

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 HENKE-WILHELM UNIT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,6434,4917,0185,16089$80.46$2.89
Jun 202689992561643010$84.81$3.15
May 20261,9772,0232,1851,62543$102.13$2.94
Apr 20261,8721,8151,4821,08137$100.32$2.77
Mar 20261,5091,5041,9881,52631$91.38$3.04
Feb 202654755696732$64.51$3.62
Jan 20261,2201,2391,19294819$60.04$7.72
Dec 20252,8232,8201,7721,43238$57.97$4.26
Nov 20252,6342,6591,5591,15138$60.06$3.79
Oct 20252,9442,9303,1152,21599$60.89$3.19
Sep 20252,8572,8372,9862,21258$63.96$2.97
Aug 20252,5192,5293,0392,33552$64.86$2.91
Jul 20252,5532,5204,5953,419117$68.39$3.20
Jun 20252,5492,5904,3723,015263$68.17$3.02
May 20252,6692,6955,6092,993163$62.17$3.12
Apr 20253,2233,2304,0972,508226$63.54$3.42
Mar 20253,2613,2333,3711,794291$68.24$4.12
Feb 20253,6023,5953,7892,075195$71.53$4.19
Jan 20254,1544,1434,2412,342232$75.74$4.13
Dec 20242,8502,8333,1181,88077$70.12$3.01
Nov 20243,2143,2143,0841,87598$69.95$2.12
Oct 20243,9743,9663,6792,314211$71.99$2.20
Sep 20242,4032,4382,8832,02591$70.24$2.28
Aug 20244,2834,2754,5222,680255$76.68$1.99
Jul 20244,2464,2374,0542,807206$81.80$2.07
Jun 20243,4143,4243,9072,782162$79.77$2.54
May 20243,2873,3203,6042,324139$80.02$2.12
Apr 20243,6093,6394,6543,027136$85.35$1.60
Mar 20244,3314,3034,8283,091149$81.28$1.49
Feb 20244,1384,1065,7262,283259$77.25$1.72
Jan 20244,0004,0455,3531,546472$74.15$3.18
Dec 20234,6674,6725,2321,402257$71.90$2.52
Nov 20234,8374,7905,0971,594407$77.69$2.71
Oct 20233,5923,6165,0571,640201$85.64$2.98
Sep 20233,6893,7125,9371,895549$89.43$2.64
Aug 20234,3284,3126,1121,301761$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-1)CountyAtascosa County

Marathon Oil Ef LLC in Atascosa County

All Marathon Oil Ef LLC leases →

Eagleville (Eagle Ford-1) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km