Skip to content
Royalty Clerk

Texas oil lease

Producing

HENKE-WILHELM UNIT B

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

1 well

877bbl oil, last 12 months−14% vs prior year
RRC lease
01-15964

Is your check right?

Check my statement

Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
628 mcf
Oil in Jul 2026
0 bbl

Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for HENKE-WILHELM UNIT B, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 877 bbl in the 12 months through Jul 2026, against 1,016 bbl in the 12 months before.Last 12 months: 877 bblbbl per monthmcf per month002001004002006003008004001,000500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for HENKE-WILHELM UNIT B, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 877 bbl in the 12 months through Jul 2026, against 1,016 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001004002006003008004001,000500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

72% of the gas went to a processing plant in the last 12 months

Flaring peaked at 6.3% of the gas in Oct 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
72% of the gas went to a processing plant in the last 12 monthsShare of HENKE-WILHELM UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 72% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.3% of the gas in Oct 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 6.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
72% of the gas went to a processing plant in the last 12 monthsShare of HENKE-WILHELM UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 72% of the gas went to a processing plant in the last 12 months. Flaring peaked at 6.3% of the gas in Oct 2024.Share of gas by disposition code0%50%100%Flared 6.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    72% · 608 mcf

  • Lease fuel (1)

    26% · 216 mcf

  • Flared (4)

    2.3% · 19 mcf

2.3% of the gas flared in the last 12 months. 7 months above 3%.

1 well on this lease

Wells on HENKE-WILHELM UNIT B
API numberWell no.Status
42-013-344621HActive

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 LLCOilGathers20May 10, 2012Jul 1, 2022
Genesis Crude Oil, L.p.OilGathers10May 10, 2012Jul 1, 2022
Gulfmark Energy, Inc.OilGathers35May 10, 2012Jul 1, 2022
Permian Crude Transport, LPOilGathers5Dec 1, 2016Jul 1, 2022
Shell Trading (Us) CompanyOilGathers20May 10, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers10May 10, 2012Jul 1, 2022

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

215.12 acres on the newest permit

Permits for Henke-Wilhelm Unit B
API numberWell no.Acreson the permit
42-013-344621H215.12

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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 B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202608000$80.46$2.89
Jun 2026430425112782$84.81$3.15
May 202612712454401$102.13$2.94
Apr 20260041301$100.32$2.77
Mar 2026131345341$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202601000$60.04$7.72
Dec 2025474776612$57.97$4.26
Nov 20255353109803$60.06$3.79
Oct 2025212144321$60.89$3.19
Sep 2025596070521$63.96$2.97
Aug 202512713077591$64.86$2.91
Jul 2025229224125933$68.39$3.20
Jun 202503000$68.17$3.02
May 202512612368362$62.17$3.12
Apr 202500000$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202500000$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 2024252622131$69.95$2.12
Oct 202411311464404$71.99$2.20
Sep 20242442461711205$70.24$2.28
Aug 202427927819511611$76.68$1.99
Jul 20242522531681169$81.80$2.07
Jun 202431031126418811$79.77$2.54
May 202433734535723014$80.02$2.12
Apr 202454154338425011$85.35$1.60
Mar 20245585432881849$81.28$1.49
Feb 202406000$77.25$1.72
Jan 20244474541511421$74.15$3.18
Dec 20236206172282141$71.90$2.52
Nov 20234444422602442$77.69$2.71
Oct 20235195332482301$85.64$2.98
Sep 20231,0009884324034$89.43$2.64
Aug 20234264161941792$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?

Nearby

Leases within 10 km

Drilling permits within 10 km