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Texas oil lease

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 (5470) field.

2 wells

1,947bbl oil, last 12 months−12% vs prior year
Operator
Killam Oil Co., Ltd.
County
Starr County
Field
Sun,north (5470)
RRC lease
04-14004

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Where it sits

This county

Starr CountyStarrBrooksJim HoggZapataHidalgoStarr County
Starr County
Gas, last 12 months
18,011 mcf
Oil in Jul 2026
127 bbl

Production by month

Oil output fell 12% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for I. V. MONTALVO 'C', Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 1,947 bbl in the 12 months through Jul 2026, against 2,210 bbl in the 12 months before.Last 12 months: 1,947 bblbbl per monthmcf per month001002,0002004,0003006,0004008,00050010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for I. V. MONTALVO 'C', Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 1,947 bbl in the 12 months through Jul 2026, against 2,210 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002,0002004,0003006,0004008,00050010kJan 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.

2 wells on this lease

Wells on I. V. MONTALVO 'C'
API numberWell no.Status
42-427-3466245Active
42-427-3473754Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Dec 1, 2019–
Killam Oil Co., Ltd.Casinghead gasBuys100Dec 1, 2019–
Enterprise Products Operating LLCCasinghead gasGathers100Aug 30, 2016–
Total Gas & Power Na, Inc.Casinghead gasBuys100Aug 30, 2016Dec 1, 2019
Flint Hills Resources, LPOilGathers100Aug 30, 2016Dec 1, 2019

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
42-427-34737541,622.27
42-427-34662451,622.27

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

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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 2026127701,6841,6840$80.46$2.89
Jun 20261232691,3831,3830$84.81$3.15
May 20261301119329320$102.13$2.94
Apr 202617301,8051,8050$100.32$2.77
Mar 20262013301,8881,8880$91.38$3.04
Feb 20261222851,4711,4710$64.51$3.62
Jan 202624201,4641,4640$60.04$7.72
Dec 20251492451,8391,8390$57.97$4.26
Nov 20252401121,3231,3230$60.06$3.79
Oct 20251171761,4431,4430$60.89$3.19
Sep 20251581271,8471,8470$63.96$2.97
Aug 20251653179329320$64.86$2.91
Jul 20254002744,0084,0080$68.39$3.20
Jun 20254095414,0774,0770$68.17$3.02
May 20254772208,5908,5900$62.17$3.12
Apr 2025931794,2054,2050$63.54$3.42
Mar 20258705765760$68.24$4.12
Feb 20251051725295290$71.53$4.19
Jan 20258804444440$75.74$4.13
Dec 202497178000$70.12$3.01
Nov 202410826476470$69.95$2.12
Oct 20241041715915910$71.99$2.20
Sep 202495477277270$70.24$2.28
Aug 20241472791,2121,2120$76.68$1.99
Jul 2024151691,2591,2590$81.80$2.07
Jun 20241161311,2221,2220$79.77$2.54
May 20241552714424420$80.02$2.12
Apr 20242473271,0491,0490$85.35$1.60
Mar 20242521116876870$81.28$1.49
Feb 20242213179179170$77.25$1.72
Jan 20242601138348340$74.15$3.18
Dec 20231982747307300$71.90$2.52
Nov 202314504444440$77.69$2.71
Oct 20231332125205200$85.64$2.98
Sep 20231091715685680$89.43$2.64
Aug 2023125596576570$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 (5470)CountyStarr County

Killam Oil Co., Ltd. in Starr County

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Sun,north (5470) field

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