Skip to content
Royalty Clerk

Texas gas well

Producing

WALTER WERNLI 01

Walter Wernli 01 is a gas well in Bee County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

5,553mcf gas, last 12 months−77% vs prior year
Operator
Marathon Oil Ef LLC
County
Bee County
Field
Sugarkane (Eagle Ford)
RRC lease
02-271138

Is your check right?

Check my statement

Where it sits

This county

Bee CountyBeeGoliadRefugioKarnesSan PatricioLive OakBee County
Bee County
Oil, last 12 months
109 bbl
Gas in Jul 2026
58 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 3% of the 9 months before.

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

See why checks stop on this lease

Production by month

Gas output fell 77% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 77% over the last 12 monthsMonthly gas production and oil for WALTER WERNLI 01, Aug 2023 to Jul 2026. Gas output fell 77% over the last 12 months. 5,553 mcf in the 12 months through Jul 2026, against 23,986 mcf in the 12 months before.Last 12 months: 5,553 mcfmcf per monthbbl per month002,000254,000506,000758,00010010k125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 77% over the last 12 monthsMonthly gas production and oil for WALTER WERNLI 01, Aug 2023 to Jul 2026. Gas output fell 77% over the last 12 months. 5,553 mcf in the 12 months through Jul 2026, against 23,986 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,000254,000506,000758,00010010k125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of WALTER WERNLI 01 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of WALTER WERNLI 01 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on WALTER WERNLI 01
API numberWell no.Status
42-025-3387101HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Gulfmark Energy, Inc.CondensateGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasBuys100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCCondensateGathers50Oct 1, 2019Oct 2, 2019
Enterprise Crude Oil LLCCondensateGathers25Oct 1, 2019Oct 2, 2019
Enterprise Crude Pipeline LLCCondensateGathers25Oct 1, 2019Oct 2, 2019

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

Who buys my oilOil price check

386.60 acres on the newest permit

Check your decimal on this lease
Permits for Walter Wernli 01
API numberWell no.Acreson the permit
42-025-3387101H386.60

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 WALTER WERNLI 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil0058580$80.46$2.89
Jun 2026Marathon Oil00000$84.81$3.15
May 2026Marathon Oil00000$102.13$2.94
Apr 2026Marathon Oil00000$100.32$2.77
Mar 2026Marathon Oil00000$91.38$3.04
Feb 2026Marathon Oil00000$64.51$3.62
Jan 2026Marathon Oil001931930$60.04$7.72
Dec 2025Marathon Oil002522520$57.97$4.26
Nov 2025Marathon Oil0096960$60.06$3.79
Oct 2025Marathon Oil001411410$60.89$3.19
Sep 2025Marathon Oil33331,5671,5670$63.96$2.97
Aug 2025Marathon Oil76763,2463,2460$64.86$2.91
Jul 2025Marathon Oil38381,4351,4350$68.39$3.20
Jun 2025Marathon Oil13134,6564,6560$68.17$3.02
May 2025Marathon Oil00000$62.17$3.12
Apr 2025Marathon Oil39392,0092,0090$63.54$3.42
Mar 2025Marathon Oil24242,2032,2030$68.24$4.12
Feb 2025Marathon Oil18181,3291,3290$71.53$4.19
Jan 2025Marathon Oil17171,4271,4270$75.74$4.13
Dec 2024Marathon Oil13132,4972,4970$70.12$3.01
Nov 2024Marathon Oil772,7292,7290$69.95$2.12
Oct 2024Marathon Oil883,0693,0690$71.99$2.20
Sep 2024Marathon Oil11111,3971,3970$70.24$2.28
Aug 2024Marathon Oil31311,2351,2350$76.68$1.99
Jul 2024Marathon Oil28281,7801,7800$81.80$2.07
Jun 2024Marathon Oil881,8181,8180$79.77$2.54
May 2024Marathon Oil46462,3612,3610$80.02$2.12
Apr 2024Marathon Oil1131134,5344,5340$85.35$1.60
Mar 2024Marathon Oil81813,5863,5860$81.28$1.49
Feb 2024Marathon Oil38388,8718,8710$77.25$1.72
Jan 2024Marathon Oil005,2745,2740$74.15$3.18
Dec 2023Marathon Oil00000$71.90$2.52
Nov 2023Marathon Oil12124,6554,6550$77.69$2.71
Oct 2023Marathon Oil41414,6984,6980$85.64$2.98
Sep 2023Marathon Oil59595,4835,4830$89.43$2.64
Aug 2023Marathon Oil33335,0535,0530$81.39$2.58

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 LLCFieldSugarkane (Eagle Ford)CountyBee County

Marathon Oil Ef LLC in Bee County

All Marathon Oil Ef LLC leases →

Sugarkane (Eagle Ford) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km