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Texas oil lease

Producing

WILLAMAR WEST MIOCENE UNIT

Willamar West Miocene Unit is an oil lease in Willacy County, Texas, operated by Citation Oil & Gas Corp. in the Willamar, W.(miocene 6400) field.

6 wells

3,332bbl oil, last 12 months+81% vs prior year
Operator
Citation Oil & Gas Corp.
County
Willacy County
Field
Willamar, W.(miocene 6400)
RRC lease
04-10055

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Where it sits

This county

Willacy CountyWillacyBrooksKenedyHidalgoCameronWillacy County
Willacy County
Gas, last 12 months
4,131 mcf
Oil in Jul 2026
271 bbl

Production by month

Oil output rose 81% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 81% over the last 12 monthsMonthly oil production and gas for WILLAMAR WEST MIOCENE UNIT, Aug 2023 to Jul 2026. Oil output rose 81% over the last 12 months. 3,332 bbl in the 12 months through Jul 2026, against 1,838 bbl in the 12 months before.Last 12 months: 3,332 bblbbl per monthmcf per month002002504005006007508001,0001,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 81% over the last 12 monthsMonthly oil production and gas for WILLAMAR WEST MIOCENE UNIT, Aug 2023 to Jul 2026. Oil output rose 81% over the last 12 months. 3,332 bbl in the 12 months through Jul 2026, against 1,838 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,0001,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

70% of the gas went to lease fuel in the last 12 months

Flaring peaked at 100.0% of the gas in Mar 2025.

  • Lease fuel (1)
  • Flared (4)
70% of the gas went to lease fuel in the last 12 monthsShare of WILLAMAR WEST MIOCENE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 70% of the gas went to lease fuel in the last 12 months. Flaring peaked at 100.0% of the gas in Mar 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
70% of the gas went to lease fuel in the last 12 monthsShare of WILLAMAR WEST MIOCENE UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 70% of the gas went to lease fuel in the last 12 months. Flaring peaked at 100.0% of the gas in Mar 2025.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    70% · 2,907 mcf

  • Flared (4)

    30% · 1,224 mcf

29.6% of the gas flared in the last 12 months. 31 months above 3%.

6 wells on this lease

Wells on WILLAMAR WEST MIOCENE UNIT
API numberWell no.Status
42-489-00232M 21Shut-in
42-489-00595M 7Shut-in
42-489-3072724Active
42-489-30733M 16Active
42-489-30734M 15Active
42-489-30735M 17Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Cima Energy, LPOilGathers100Nov 1, 2025–
Citation Oil & Gas Corp.Casinghead gasBuys100Aug 1, 1997–
Citation Oil & Gas Corp.Casinghead gasGathers100Oct 1, 1989–
Genesis Crude Oil, L.p.OilGathers100Nov 1, 2019Nov 1, 2025
Nominator Not Required / Swr 31Casinghead gasNominates100Dec 1, 2006Nov 1, 2019
Flint Hills Resources, LPOilGathers100Mar 1, 2002Nov 1, 2019

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

Who buys my oilOil price check

2,832.09 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 2,832 and 2,832.18 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    9 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Willamar West Miocene Unit
API numberWell no.Acreson the permit
42-489-30746M 192,832.09
42-489-30733M 162,832.18
42-489-30733M 16 L2,832.18
42-489-30727242,832.09
42-489-30829M 182,832.09
42-489-00232M 212,832
42-489-30735M 172,832
42-489-30734M 152,832
42-489-00595M 72,832

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for WILLAMAR WEST MIOCENE UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026271293186093$80.46$2.89
Jun 20263723771,0260300$84.81$3.15
May 20262663188680206$102.13$2.94
Apr 20264184199390174$100.32$2.77
Mar 20265415037460120$91.38$3.04
Feb 20263904011890189$64.51$3.62
Jan 202623018825025$60.04$7.72
Dec 2025116122505$57.97$4.26
Nov 202510510535023$60.06$3.79
Oct 202521722755042$60.89$3.19
Sep 202519121524014$63.96$2.97
Aug 202521518433033$64.86$2.91
Jul 202518020421021$68.39$3.20
Jun 20251175913013$68.17$3.02
May 20253929505$62.17$3.12
Apr 2025012000$63.54$3.42
Mar 202514317386086$68.24$4.12
Feb 2025256254688075$71.53$4.19
Jan 2025258248587038$75.74$4.13
Dec 2024171177650059$70.12$3.01
Nov 2024143156757050$69.95$2.12
Oct 2024196201775014$71.99$2.20
Sep 2024233213661035$70.24$2.28
Aug 2024102113908$76.68$1.99
Jul 202416815943018$81.80$2.07
Jun 202415916477056$79.77$2.54
May 202416316360035$80.02$2.12
Apr 20241531534907$85.35$1.60
Mar 2024170176116015$81.28$1.49
Feb 2024201204902026$77.25$1.72
Jan 202419118237600$74.15$3.18
Dec 202317417429408$71.90$2.52
Nov 20232272299410299$77.69$2.71
Oct 2023230234872086$85.64$2.98
Sep 20232262201,0740348$89.43$2.64
Aug 20232442401,0350442$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.

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Nearby

This lease belongs to

OperatorCitation Oil & Gas Corp.FieldWillamar, W.(miocene 6400)CountyWillacy County

Citation Oil & Gas Corp. in Willacy County

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Willamar, W.(miocene 6400) field

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