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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 (5410) field.

Oil lease dossier

0bbl oil, last 12 months
Operator
Killam Oil Co., Ltd.
County
Starr County
Field
Sun, North (5410)
RRC lease
04-14154

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Where it sits

This county

Starr CountyStarrBrooksJim HoggZapataHidalgoStarr County
Starr County
Oil in Jul 2026
0 bbl
Reporting since
Apr 2021

Checks stopped on this lease?

  • Sales

    No sales reported for the last 10 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

No oil produced in the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
No oil produced in the last 12 monthsMonthly oil production and gas for I.V. MONTALVO 'C', Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Jun 2025, at 39 bbl.Last 12 months: 0 bblbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
No oil produced in the last 12 monthsMonthly oil production and gas for I.V. MONTALVO 'C', Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Jun 2025, at 39 bbl.Last 12 monthsbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Jan 24JulJan 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, Aug 2023 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%Oct 23Jan 24AprJulOctJan 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, Aug 2023 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%Jan 24JulJan 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.OilGathers100Apr 16, 2021
Killam Oil Co., Ltd.Casinghead gasBuys100Apr 16, 2021
Enterprise Products Operating LLCCasinghead gasGathers100Apr 16, 2021

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

Who buys my oilOil price check

1,622.27 acres on the newest permit

Check your decimal on this lease
Permits for I.v. Montalvo 'C'
API numberWell no.Acreson the permit
42-427-34747571,622.27

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

Unit decimal checker

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36 months, newest first

Ledger for I.V. MONTALVO 'C'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202502000$63.96$2.97
Aug 202503000$64.86$2.91
Jul 2025010000$68.39$3.20
Jun 2025394515150$68.17$3.02
May 20250271461460$62.17$3.12
Apr 20254101161160$63.54$3.42
Mar 2025029000$68.24$4.12
Feb 202534203883880$71.53$4.19
Jan 202545419719710$75.74$4.13
Dec 202454761,1341,1340$70.12$3.01
Nov 202447351,1281,1280$69.95$2.12
Oct 202455381,1341,1340$71.99$2.20
Sep 202461581,1231,1230$70.24$2.28
Aug 202419231,1961,1960$76.68$1.99
Jul 202417216016010$81.80$2.07
Jun 20242032271,5541,5540$79.77$2.54
May 2024931203683680$80.02$2.12
Apr 202459812772770$85.35$1.60
Mar 202487662412410$81.28$1.49
Feb 202488914144140$77.25$1.72
Jan 202468672372370$74.15$3.18
Dec 202384763603600$71.90$2.52
Nov 2023400000$77.69$2.71
Oct 2023431000$85.64$2.98
Sep 202300000$89.43$2.64
Aug 20230121000$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

This lease belongs to

OperatorKillam Oil Co., Ltd.FieldSun, North (5410)CountyStarr County

Killam Oil Co., Ltd. in Starr County

All Killam Oil Co., Ltd. leases →

Sun, North (5410) field

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

New drilling permits in Starr County

Newest in the county: this lease has no coordinates.