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Royalty Clerk

Texas oil lease

Producing

VIPER WA1

Viper Wa1 is an oil lease in Pecos County, Texas, operated by Mongoose Energy, LLC in the Hoefs T-K (Wolfcamp) field.

1 well

148,955bbl oil, since Dec 2025
Operator
Mongoose Energy, LLC
County
Pecos County
Field
Hoefs T-K (Wolfcamp)
RRC lease
08-64243

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Where it sits

This county

Pecos CountyPecosUptonCranePecos County
Pecos County
Gas, since Dec 2025
123,536 mcf
Oil in Jul 2026
18,418 bbl
First check

Production started December 2025; the first check is due by about April 30, 2026 (estimate).

When is my first royalty check due?

Production by month

Oil output rose 23% since Dec 2025

  • Oil (bars)
  • Gas (line)
Oil output rose 23% since Dec 2025Monthly oil production and gas for VIPER WA1, Dec 2025 to Jul 2026. Oil output rose 23% since Dec 2025. Monthly average of 20,376 bbl in the latest 3 months, against 16,600 bbl in the first 3.bbl per monthmcf per month005,0005,00010k10k15k15k20k20k25k25kOct 25Jan 26AprJul
Oil output rose 23% since Dec 2025Monthly oil production and gas for VIPER WA1, Dec 2025 to Jul 2026. Oil output rose 23% since Dec 2025. Monthly average of 20,376 bbl in the latest 3 months, against 16,600 bbl in the first 3.bbl per monthmcf per month005,0005,00010k10k15k15k20k20k25k25kJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

91% of the gas went to a transmission line in the 8 months reported

Flaring peaked at 20.8% of the gas in Apr 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
91% of the gas went to a transmission line in the 8 months reportedShare of VIPER WA1 gas by disposition code each month, Dec 2025 to Jul 2026. 91% of the gas went to a transmission line in the 8 months reported. Flaring peaked at 20.8% of the gas in Apr 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 20.8%Oct 25Jan 26AprJul
91% of the gas went to a transmission line in the 8 months reportedShare of VIPER WA1 gas by disposition code each month, Dec 2025 to Jul 2026. 91% of the gas went to a transmission line in the 8 months reported. Flaring peaked at 20.8% of the gas in Apr 2026.Share of gas by disposition code0%50%100%Flared 20.8%Jan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    91% · 112,368 mcf

  • Flared (4)

    5.0% · 6,213 mcf

  • Lease fuel (1)

    4.0% · 4,955 mcf

5.0% of the gas flared in the 8 months reported. 3 months above 3%.

1 well on this lease

Wells on VIPER WA1
API numberWell no.Status
42-371-405111HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCOilGathers50Oct 28, 2025
Enterprise Crude Pipeline LLCOilGathers50Oct 28, 2025
Enterprise Products Operating LLCCasinghead gasBuys100Oct 28, 2025
Enterprise Products Operating LLCCasinghead gasGathers100Oct 28, 2025

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

Who buys my oilOil price check

1,280 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

Check your decimal on this lease
Permits for Viper Wa1
API numberWell no.Acreson the permit
42-371-405111H1,280

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

8 months, newest first

Ledger for VIPER WA1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202618,41818,05617,81117,1140$80.46$2.89
Jun 202619,31219,54616,56815,8890$84.81$3.15
May 202623,39923,00921,47219,3701,375$102.13$2.94
Apr 202620,02420,03017,18713,0353,582$100.32$2.77
Mar 202618,00317,83214,35513,6040$91.38$3.04
Feb 202617,02017,07013,34112,6360$64.51$3.62
Jan 202622,85523,86016,22514,2701,179$60.04$7.72
Dec 20259,9248,5666,5776,45077$57.97$4.26

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

OperatorMongoose Energy, LLCFieldHoefs T-K (Wolfcamp)CountyPecos County

Mongoose Energy, LLC in Pecos County

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Hoefs T-K (Wolfcamp) field

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