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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, West (Miocene 5300) field.

5 wells

2,054bbl oil, last 12 months+29% vs prior year
Operator
Citation Oil & Gas Corp.
County
Willacy County
Field
Willamar, West (Miocene 5300)
RRC lease
04-09525

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Where it sits

This county

Willacy CountyWillacyBrooksKenedyHidalgoCameronWillacy County
Willacy County
Gas, last 12 months
5,728 mcf
Oil in Jul 2026
197 bbl

Production by month

Oil output rose 29% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 29% over the last 12 monthsMonthly oil production and gas for WILLAMAR WEST MIOCENE UNIT, Aug 2023 to Jul 2026. Oil output rose 29% over the last 12 months. 2,054 bbl in the 12 months through Jul 2026, against 1,595 bbl in the 12 months before.Last 12 months: 2,054 bblbbl per monthmcf per month002005004001,0006001,5008002,0001,0002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 29% over the last 12 monthsMonthly oil production and gas for WILLAMAR WEST MIOCENE UNIT, Aug 2023 to Jul 2026. Oil output rose 29% over the last 12 months. 2,054 bbl in the 12 months through Jul 2026, against 1,595 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002005004001,0006001,5008002,0001,0002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

73% 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)
73% 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. 73% 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
73% 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. 73% 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)

    73% · 4,278 mcf

  • Flared (4)

    27% · 1,549 mcf

26.6% of the gas flared in the last 12 months. 22 months above 3%.

5 wells on this lease

Wells on WILLAMAR WEST MIOCENE UNIT
API numberWell no.Status
42-489-00563M 2 CActive
42-489-00564M 3Shut-in
42-489-00565M 4Active
42-489-00594M 6Shut-in
42-489-30606M 12Active

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
Oasis Transp & Marketing Corp.OilGathers100Aug 1, 2001Nov 1, 2019

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

Who buys my oilOil price check

2,832 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 245.18 and 5,390.8 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
42-489-30126M 442,832
42-489-30926M 385,390.80
42-489-80122M 305,390.80
42-489-00563M 2 C245.18
42-489-00565M 42,832.09
42-489-00594M 62,832
42-489-30606M 122,832
42-489-30606M 12 T2,832
42-489-00564M 3–

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 2026197225137098$80.46$2.89
Jun 20264164311,5780392$84.81$3.15
May 20264394341,7430418$102.13$2.94
Apr 20262252211,0260172$100.32$2.77
Mar 20262572409310138$91.38$3.04
Feb 20261982211560156$64.51$3.62
Jan 202620315623023$60.04$7.72
Dec 20255755404$57.97$4.26
Nov 2025403493035$60.06$3.79
Oct 2025212037014$60.89$3.19
Sep 202511000$63.96$2.97
Aug 202501000$64.86$2.91
Jul 202504000$68.39$3.20
Jun 2025019000$68.17$3.02
May 2025815918018$62.17$3.12
Apr 202504000$63.54$3.42
Mar 2025459481081$68.24$4.12
Feb 20253043281,0680119$71.53$4.19
Jan 20254614321,138071$75.74$4.13
Dec 2024225252802082$70.12$3.01
Nov 2024219211672057$69.95$2.12
Oct 202410810752207$71.99$2.20
Sep 20249086267011$70.24$2.28
Aug 2024625549010$76.68$1.99
Jul 202403000$81.80$2.07
Jun 202401000$79.77$2.54
May 202400000$80.02$2.12
Apr 202401000$85.35$1.60
Mar 2024010000$81.28$1.49
Feb 2024666625006$77.25$1.72
Jan 202444564200$74.15$3.18
Dec 202314818013404$71.90$2.52
Nov 20235195092,0740659$77.69$2.71
Oct 2023400448993097$85.64$2.98
Sep 20237036602,0670670$89.43$2.64
Aug 20234934952,1010897$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, West (Miocene 5300)CountyWillacy County

Citation Oil & Gas Corp. in Willacy County

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Willamar, West (Miocene 5300) field

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