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Producing

I.V. MONTALVO 'C'

I.v. Montalvo 'C' is an oil lease in Starr County, Texas, operated by Killam Oil Co., Ltd. in the Sun, North (F-3-G) field.

Oil lease dossier

690bbl oil, last 12 months−59% vs prior year
Operator
Killam Oil Co., Ltd.
County
Starr County
Field
Sun, North (F-3-G)
RRC lease
04-14256

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Where it sits

This county

Starr CountyStarrBrooksJim HoggZapataHidalgoStarr County
Starr County
Gas, last 12 months
783 mcf
Oil in Jul 2026
138 bbl

Production by month

Oil output fell 59% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 59% over the last 12 monthsMonthly oil production and gas for I.V. MONTALVO 'C', Jul 2024 to Jul 2026. Oil output fell 59% over the last 12 months. 690 bbl in the 12 months through Jul 2026, against 1,669 bbl in the 12 months before.Last 12 months: 690 bblbbl per monthmcf per month00502001004001506002008002501,000Jul 24OctJan 25AprJulOctJan 26AprJul
Oil output fell 59% over the last 12 monthsMonthly oil production and gas for I.V. MONTALVO 'C', Jul 2024 to Jul 2026. Oil output fell 59% over the last 12 months. 690 bbl in the 12 months through Jul 2026, against 1,669 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00502001004001506002008002501,000Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of I.V. MONTALVO 'C' gas by disposition code each month, Jul 2024 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Jul 24OctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of I.V. MONTALVO 'C' gas by disposition code each month, Jul 2024 to Jul 2026. All of the gas went to a transmission line in the last 12 months.Share of gas by disposition code0%50%100%Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Jun 12, 2024
Killam Oil Co., Ltd.Casinghead gasBuys100Jun 12, 2024
Enterprise Products Operating LLCCasinghead gasGathers100Jun 12, 2024

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

Who buys my oilOil price check

1,622.27 acres on the newest permit

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Permits for I.v. Montalvo 'C'
API numberWell no.Acreson the permit
42-427-34767561,622.27

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

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25 months, newest first

Ledger for I.V. MONTALVO 'C'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026138101000$80.46$2.89
Jun 2026708667670$84.81$3.15
May 2026476737370$102.13$2.94
Apr 202656094940$100.32$2.77
Mar 20267713260600$91.38$3.04
Feb 2026206778780$64.51$3.62
Jan 202682067670$60.04$7.72
Dec 2025366261610$57.97$4.26
Nov 2025906390900$60.06$3.79
Oct 202522047470$60.89$3.19
Sep 2025354774740$63.96$2.97
Aug 202517341081080$64.86$2.91
Jul 202569681141140$68.39$3.20
Jun 2025701171031030$68.17$3.02
May 20257511290900$62.17$3.12
Apr 202582193930$63.54$3.42
Mar 2025721521021020$68.24$4.12
Feb 2025115691781780$71.53$4.19
Jan 20251501422542540$75.74$4.13
Dec 20241832824214210$70.12$3.01
Nov 20241971433753750$69.95$2.12
Oct 20242191533333330$71.99$2.20
Sep 20242462614454450$70.24$2.28
Aug 20241911935065060$76.68$1.99
Jul 2024165992702700$81.80$2.07

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

OperatorKillam Oil Co., Ltd.FieldSun, North (F-3-G)CountyStarr County

Killam Oil Co., Ltd. in Starr County

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Sun, North (F-3-G) field

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New drilling permits in Starr County

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