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UL 21 STAMPEDE

Ul 21 Stampede is an oil lease in Winkler County, Texas, operated by Percussion Petroleum Oper Ii,llc in the Two Georges (Bone Spring) field.

1 well

4,014bbl oil, last 12 months−88% vs prior year
RRC lease
08-51019

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Gas, last 12 months
4,253 mcf
Oil in Jul 2023
0 bbl

Checks stopped on this lease?

  • P-5

    The current operator's P-5 registration is listed as inactive since Jul 16, 2024 (last P-5 filed Jun 20, 2023).

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

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

See why checks stop on this lease

Production by month

Oil output fell 88% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 88% over the last 12 monthsMonthly oil production and gas for UL 21 STAMPEDE, Aug 2020 to Jul 2023. Oil output fell 88% over the last 12 months. 4,014 bbl in the 12 months through Jul 2023, against 33,321 bbl in the 12 months before.Last 12 months: 4,014 bblbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010k10k12.5kOct 20Jan 21AprJulOctJan 22AprJulOctJan 23AprJul
Oil output fell 88% over the last 12 monthsMonthly oil production and gas for UL 21 STAMPEDE, Aug 2020 to Jul 2023. Oil output fell 88% over the last 12 months. 4,014 bbl in the 12 months through Jul 2023, against 33,321 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010k10k12.5kJan 21JulJan 22JulJan 23Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2021 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 12.1% of the gas in Jul 2021.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2021 the lease's gas goes to a transmission line instead of a processing plantShare of UL 21 STAMPEDE gas by disposition code each month, Aug 2020 to Jul 2023. Since Nov 2021 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 12.1% of the gas in Jul 2021.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2021: plant to lineFlared 12.1%Oct 20Jan 21AprJulOctJan 22AprJulOctJan 23AprJul
Since Nov 2021 the lease's gas goes to a transmission line instead of a processing plantShare of UL 21 STAMPEDE gas by disposition code each month, Aug 2020 to Jul 2023. Since Nov 2021 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 12.1% of the gas in Jul 2021.Share of gas by disposition code0%50%100%Nov 21: plant to lineFlared 12.1%Jan 21JulJan 22JulJan 23Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    77% · 49,267 mcf

  • Processing plant (3)

    22% · 14,034 mcf

  • Lease fuel (1)

    0.5% · 337 mcf

  • Flared (4)

    0.2% · 133 mcf

0.2% of the gas flared in the last 12 months. 3 months above 3%.

Who has run this lease

The operator changed once, most recently in Mar 2021

Operators of this lease over timeOasis Petroleum Permian LLC, Jan 2020 to Feb 2021; Percussion Petroleum Oper Ii,llc, Mar 2021 to Jul 20232020202120222023Changed Mar 2021Oasis Petroleum Permian LLCJan 2020 to Feb 2021Percussion Petroleum Oper Ii,…Mar 2021 to now
Operators of this lease over timeOasis Petroleum Permian LLC, Jan 2020 to Feb 2021; Percussion Petroleum Oper Ii,llc, Mar 2021 to Jul 20232020202120222023Changed Mar 2021Oasis Petroleum Permian LLCJan 2020 to Feb 2021Percussion Petroleum Oper Ii,llcMar 2021 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on UL 21 STAMPEDE
API numberWell no.Status
42-495-338962HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Oryx Delaware Oil Transport LLCOilGathers100Jan 22, 2020–
Targa Delaware LLCCasinghead gasBuys100Mar 26, 2018–
Targa Delaware LLCCasinghead gasGathers100Mar 26, 2018–
Concord Crude Oil Marketing LLCOilGathers100Mar 26, 2018Jan 22, 2020

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

640.70 acres on the newest permit

Permits for Ul 21 Stampede
API numberWell no.Acreson the permit
42-495-338962H640.70

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

Estimate your royalty

36 months, newest first

Ledger for UL 21 STAMPEDE
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2023Percussion Petroleum0178000$76.07$2.55
Jun 2023Percussion Petroleum00000$70.25$2.18
May 2023Percussion Petroleum00000$71.58$2.15
Apr 2023Percussion Petroleum00000$79.45$2.16
Mar 2023Percussion Petroleum00000$73.28$2.31
Feb 2023Percussion Petroleum00000$76.83$2.38
Jan 2023Percussion Petroleum00000$78.12$3.27
Dec 2022Percussion Petroleum00000$76.44$5.53
Nov 2022Percussion Petroleum00000$84.37$5.45
Oct 2022Percussion Petroleum1,3841,5671,3561,34511$87.55$5.66
Sep 2022Percussion Petroleum2,5932,3402,8972,8970$84.26$7.88
Aug 2022Percussion Petroleum374000$93.67$8.81
Jul 2022Percussion Petroleum1,3131,3392,4502,43020$101.62$7.28
Jun 2022Percussion Petroleum2,1502,1642,4952,42174$114.84$7.70
May 2022Percussion Petroleum2,3572,4546,2146,19717$109.55$8.14
Apr 2022Percussion Petroleum2,9442,8527,2327,2320$101.78$6.60
Mar 2022Percussion Petroleum3,1703,1246,3686,3680$108.50$4.90
Feb 2022Percussion Petroleum1,6821,7574,3704,3700$91.64$4.69
Jan 2022Percussion Petroleum3,5793,503000$83.22$4.38
Dec 2021Percussion Petroleum3,0373,0586,8086,8080$71.71$3.76
Nov 2021Percussion Petroleum4,2284,2079,1999,1990$79.15$5.05
Oct 2021Percussion Petroleum2,2272,3164,1144,1113$81.48$5.51
Sep 2021Percussion Petroleum3,8233,74410,2689,9238$71.65$5.16
Aug 2021Percussion Petroleum2,8112,9035,6255,35551$67.73$4.07
Jul 2021Percussion Petroleum4,4254,47810,0038,0641,207$72.49$3.84
Jun 2021Percussion Petroleum2,4352,3254,5764,37334$71.38$3.26
May 2021Percussion Petroleum3,7563,76011,71310,976519$65.17$2.91
Apr 2021Percussion Petroleum4,4234,3968,6558,4386$61.72$2.66
Mar 2021Percussion Petroleum3,5673,5923,6743,43259$62.33$2.62
Feb 2021Oasis Petroleum1,6811,6752,7062,362217$59.04$5.35
Jan 2021Oasis Petroleum4,1114,1246,2436,0250$52.00$2.71
Dec 2020Oasis Petroleum4,2164,2087,2917,0730$47.02$2.58
Nov 2020Oasis Petroleum4,9394,9238,9458,7340$40.94$2.61
Oct 2020Oasis Petroleum4,6404,6656,0715,8530$39.40$2.39
Sep 2020Oasis Petroleum5,6975,6816,1175,86739$39.63$1.92
Aug 2020Oasis Petroleum4,0263,9144,1364,1360$42.34$2.30

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

Percussion Petroleum Oper Ii,llc in Winkler County

No other producing leases from this operator in this county are in our data yet.

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