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Producing

COUSIN WILLARD 450

Cousin Willard 450 is an oil lease in Yoakum County, Texas, operated by Burk Royalty Co., Ltd. in the Platang (San Andres) field.

5 wells

59,313bbl oil, last 12 months−28% vs prior year
RRC lease
8A-70372

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Where it sits

This county

Yoakum CountyYoakumHockleyCochranTerryYoakum County
Yoakum County
Gas, last 12 months
393,386 mcf
Oil in Jun 2026
3,928 bbl

Production by month

Oil output fell 28% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for COUSIN WILLARD 450, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 52,708 bbl in the 12 months through Jul 2026, against 72,922 bbl in the 12 months before.Last 12 months: 52,708 bblbbl per monthmcf per month005,00010k10k20k15k30k20k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production and gas for COUSIN WILLARD 450, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 52,708 bbl in the 12 months through Jul 2026, against 72,922 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005,00010k10k20k15k30k20k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jun 2025 the lease's gas goes to a processing plant instead of a transmission line

Flaring peaked at 100.0% of the gas in Aug 2024.

  • Processing plant (3)
  • Transmission line (2)
  • Flared (4)
Since Jun 2025 the lease's gas goes to a processing plant instead of a transmission lineShare of COUSIN WILLARD 450 gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2025 the lease's gas goes to a processing plant instead of a transmission line. Flaring peaked at 100.0% of the gas in Aug 2024.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2025: line to plantFlared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2025 the lease's gas goes to a processing plant instead of a transmission lineShare of COUSIN WILLARD 450 gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2025 the lease's gas goes to a processing plant instead of a transmission line. Flaring peaked at 100.0% of the gas in Aug 2024.Share of gas by disposition code0%50%100%Jun 25: line to plantFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    98% · 386,009 mcf

  • Flared (4)

    1.9% · 7,377 mcf

1.9% of the gas flared in the last 12 months. 23 months above 3%.

Who has run this lease

The operator changed once, most recently in Mar 2025

Operators of this lease over timeSteward Energy II, LLC, Jan 2020 to Feb 2025; Burk Royalty Co., Ltd., Mar 2025 to Jun 20262020202120222023202420252026Changed Mar 2025Steward Energy II, LLCJan 2020 to Feb 2025Burk Royalty Co., Ltd.Mar 2025 to now
Operators of this lease over timeSteward Energy II, LLC, Jan 2020 to Feb 2025; Burk Royalty Co., Ltd., Mar 2025 to Jun 20262020202120222023202420252026Changed Mar 2025Steward Energy II, LLCJan 2020 to Feb 2025Burk Royalty Co., Ltd.Mar 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

5 wells on this lease

Wells on COUSIN WILLARD 450
API numberWell no.Status
42-501-365184HActive
42-501-365773HActive
42-501-365781HActive
42-501-365792HActive
42-501-3744715HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers50May 1, 2017–
Stakeholder Ms Crude Oil Pl LLCOilGathers50May 1, 2017–
Stakeholder Gas Services, LLCCasinghead gasBuys100Dec 31, 2019–
Stakeholder Gas Utility, LLCCasinghead gasGathers100Dec 31, 2019–
Targa Midstream Services LLCCasinghead gasGathers100Nov 3, 2016Dec 31, 2019
Targa Midstream Services LLCCasinghead gasBuys100Nov 3, 2016Dec 31, 2019

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

640 acres on the newest permit

Permits for Cousin Willard 450
API numberWell no.Acreson the permit
42-501-3744715H640
42-501-365781H641.53
42-501-365792H641.53
42-501-365773H641.53
42-501-365184H641.53

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

Estimate your royalty

36 months, newest first

Ledger for COUSIN WILLARD 450
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report–––––$80.46$2.89
Jun 2026Burk Royalty3,9283,81730,05626,2333,823$84.81$3.15
May 2026Burk Royalty4,2254,11632,66332,502161$102.13$2.94
Apr 2026Burk Royalty4,4624,24534,02133,740281$100.32$2.77
Mar 2026Burk Royalty4,6294,62434,38033,899481$91.38$3.04
Feb 2026Burk Royalty4,3444,45531,37831,3780$64.51$3.62
Jan 2026Burk Royalty4,6984,68734,52034,5200$60.04$7.72
Dec 2025Burk Royalty4,8894,79433,50832,945563$57.97$4.26
Nov 2025Burk Royalty5,3305,42534,34134,32318$60.06$3.79
Oct 2025Burk Royalty5,6505,45033,32333,128195$60.89$3.19
Sep 2025Burk Royalty5,1145,04730,89930,243656$63.96$2.97
Aug 2025Burk Royalty5,4395,62831,71130,767944$64.86$2.91
Jul 2025Burk Royalty6,6056,65232,58632,331255$68.39$3.20
Jun 2025Burk Royalty4,3274,29928,65827,786872$68.17$3.02
May 2025Burk Royalty4,8695,02729,28429,24836$62.17$3.12
Apr 2025Burk Royalty4,7975,01928,35526,3941,961$63.54$3.42
Mar 2025Burk Royalty5,2515,02330,13426,0914,043$68.24$4.12
Feb 2025Steward Energy5,1675,06723,72121,8901,831$71.53$4.19
Jan 2025Steward Energy6,3016,20932,16929,7022,467$75.74$4.13
Dec 2024Steward Energy6,6436,73534,16232,9521,210$70.12$3.01
Nov 2024Steward Energy6,1996,26633,14010,47122,669$69.95$2.12
Oct 2024Steward Energy6,8926,85834,980034,980$71.99$2.20
Sep 2024Steward Energy7,3837,41935,07323434,839$70.24$2.28
Aug 2024Steward Energy8,4888,42535,504035,504$76.68$1.99
Jul 2024Steward Energy6,4776,38826,4309326,337$81.80$2.07
Jun 2024Steward Energy7,1037,09726,8652,73024,135$79.77$2.54
May 2024Steward Energy7,3997,26827,64215,73411,908$80.02$2.12
Apr 2024Steward Energy7,4957,43127,10314,26012,843$85.35$1.60
Mar 2024Steward Energy8,0808,14228,28811,83216,456$81.28$1.49
Feb 2024Steward Energy8,2178,19227,30516,19611,109$77.25$1.72
Jan 2024Steward Energy8,5258,53627,74814,79812,950$74.15$3.18
Dec 2023Steward Energy9,5849,55629,25216,76912,483$71.90$2.52
Nov 2023Steward Energy9,7669,81329,53315,78313,750$77.69$2.71
Oct 2023Steward Energy9,8739,91228,12522,3525,773$85.64$2.98
Sep 2023Steward Energy11,05511,15830,03525,3594,676$89.43$2.64
Aug 2023Steward Energy13,11313,32133,47626,0507,426$81.39$2.58

No report filed Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Burk Royalty Co., Ltd. in Yoakum County

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