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Texas oil lease

Producing

LAMBERT, M.F.

Lambert, M.f. is an oil lease in Refugio County, Texas, operated by Hilcorp Energy Company in the Tom O'Connor (4650) field.

1 well

4,753bbl oil, last 12 months−16% vs prior year
RRC lease
02-09384

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Where it sits

This county

Refugio CountyRefugioGoliadAransasCalhounKarnesSan PatricioVictoriaBeeJacksonRefugio County
Refugio County
Gas, last 12 months
323 mcf
Oil in Jul 2026
252 bbl

Production by month

Oil output fell 16% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for LAMBERT, M.F., Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 4,753 bbl in the 12 months through Jul 2026, against 5,647 bbl in the 12 months before.Last 12 months: 4,753 bblbbl per monthmcf per month00200504001006001508002001,000250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for LAMBERT, M.F., Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 4,753 bbl in the 12 months through Jul 2026, against 5,647 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00200504001006001508002001,000250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Feb 2024 the lease's gas goes to lease fuel instead of a transmission line

  • Transmission line (2)
  • Lease fuel (1)
Since Feb 2024 the lease's gas goes to lease fuel instead of a transmission lineShare of LAMBERT, M.F. gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to lease fuel instead of a transmission line.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2024: line to fuelOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2024 the lease's gas goes to lease fuel instead of a transmission lineShare of LAMBERT, M.F. gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to lease fuel instead of a transmission line.Share of gas by disposition code0%50%100%Feb 24: line to fuelJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on LAMBERT, M.F.
API numberWell no.Status
42-391-33298301Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Hilcorp Energy CompanyOilGathers100Jan 1, 2021–
Hilcorp Energy CompanyCasinghead gasBuys100Feb 10, 2010–
Hilcorp Energy CompanyCasinghead gasGathers100Feb 10, 2010–
Harvest Midstream CompanyOilGathers100Sep 1, 2018Jan 1, 2021

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

4,884.44 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 2,426.19 and 4,884.44 acres. Use the acres from your own division order for the well you are paid on.

  • 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 Lambert, M.f.
API numberWell no.Acreson the permit
42-391-014421014,884.44
42-391-332983014,884.44
42-391-014411002,426.19

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

Estimate your royalty

36 months, newest first

Ledger for LAMBERT, M.F.
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202625225216600$80.46$2.89
Jun 20262552582900$84.81$3.15
May 20262562633300$102.13$2.94
Apr 20263103084500$100.32$2.77
Mar 20263213181300$91.38$3.04
Feb 2026198195100$64.51$3.62
Jan 2026126129300$60.04$7.72
Dec 2025183210400$57.97$4.26
Nov 20253994072500$60.06$3.79
Oct 2025707706100$60.89$3.19
Sep 2025881878200$63.96$2.97
Aug 2025865864100$64.86$2.91
Jul 2025866849300$68.39$3.20
Jun 202556155713400$68.17$3.02
May 20252732766300$62.17$3.12
Apr 20253773988400$63.54$3.42
Mar 20254964956400$68.24$4.12
Feb 20254324133200$71.53$4.19
Jan 202535237018800$75.74$4.13
Dec 202444746216200$70.12$3.01
Nov 20244634545100$69.95$2.12
Oct 20244814983100$71.99$2.20
Sep 2024482463000$70.24$2.28
Aug 20244174142840$76.68$1.99
Jul 2024392391930$81.80$2.07
Jun 20243573655930$79.77$2.54
May 2024454465148240$80.02$2.12
Apr 202445145191440$85.35$1.60
Mar 2024526530212570$81.28$1.49
Feb 2024451476179170$77.25$1.72
Jan 2024804772000$74.15$3.18
Dec 202325024167670$71.90$2.52
Nov 202322422934340$77.69$2.71
Oct 2023207202000$85.64$2.98
Sep 202322424123230$89.43$2.64
Aug 202334033135350$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

Tom O'Connor (4650) field

No other producing leases in this field are in our data yet.

Leases within 10 km

Drilling permits within 10 km