I.V. Montalvo

Oil & Gas Property in Starr County, TX

Property Summary

Key data points for I.V. Montalvo

CountyStarr County, TX
OperatorKILLAM OIL CO., LTD.
Production DatesDec 2013 - Mar 2026
Total Oil Production571,433 BBLs
Total Gas Production4,126,242 MCF
Recent Oil Production142 BBLs in Feb 2026
Recent Gas Production5,788 MCF in Feb 2026
Wells on Property14

Our Valuation Estimates for I.V. Montalvo

ShaleAssessment

$22,050 *

MarketMultiple

$82,690 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

I.V. Montalvo Production Graph

Aggregated production of all wells and leases associated with this property
Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for I.V. Montalvo
from Dec 2013 to Mar 2026

Wells on I.V. Montalvo

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-427-34662I. V. MONTALVO C 45KILLAM OIL CO., LTD.ProducingStarr County, TX26.714510-98.480694
42-427-34692I. V. MONTALVO C 46KILLAM OIL CO., LTD.ProducingStarr County, TX26.711389-98.481840
42-427-34706I. V. MONTALVO 'C' 47KILLAM OIL CO., LTD.Permitted LocationStarr County, TX26.708300-98.483147
42-427-34736I.V. MONTALVO C 49KILLAM OIL CO., LTD.ProducingStarr County, TX26.705494-98.481941
42-427-34737I. V. MONTALVO C 54KILLAM OIL CO., LTD.ProducingStarr County, TX26.695672-98.480192
42-427-34738I. V. MONTALVO C 48KILLAM OIL CO., LTD.Shut InStarr County, TX26.710474-98.478458
42-427-34739I.V. MONTALVO C 55KILLAM OIL CO., LTD.ProducingStarr County, TX26.699666-98.480546
42-427-34742I.V. MONTALVO C 59KILLAM OIL CO., LTD.Shut InStarr County, TX26.702442-98.481493
42-427-34743I. V. MONTALVO C 58KILLAM OIL CO., LTD.ProducingStarr County, TX26.707467-98.479105
42-427-34747I.V. MONTALVO C 57KILLAM OIL CO., LTD.Shut InStarr County, TX26.696417-98.481221
42-427-34762I.V. MONTALVO A 20KILLAM OIL CO., LTD.ProducingStarr County, TX26.681359-98.492898
42-427-34766I.V. MONTALVO C 63KILLAM OIL CO., LTD.Temp AbandonedStarr County, TX26.704579-98.479758
42-427-34767I.V. MONTALVO C 56KILLAM OIL CO., LTD.ProducingStarr County, TX26.696303-98.488342
42-427-34778I.V. MONTALVO 'A' 21KILLAM OIL CO., LTD.Dry HoleStarr County, TX26.678329-98.484176

Leases included in I.V. Montalvo

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
04-14004I. V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14026I. V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14050I.V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14055I.V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14095I.V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14129I.V. MONTALVO 'A'KILLAM OIL CO., LTD.Starr County, TX
04-14154I.V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14256I.V. MONTALVO 'C'KILLAM OIL CO., LTD.Starr County, TX
04-14274I.V. MONTALVO 'A'KILLAM OIL CO., LTD.Starr County, TX
04-274231I. V. MONTALVO C 45KILLAM OIL CO., LTD.Starr County, TX
04-275791I. V. MONTALVO C 46KILLAM OIL CO., LTD.Starr County, TX
04-281263I. V. MONTALVO C 54KILLAM OIL CO., LTD.Starr County, TX
04-281266I. V. MONTALVO C 45KILLAM OIL CO., LTD.Starr County, TX
04-281269I.V. MONTALVO C 49KILLAM OIL CO., LTD.Starr County, TX
04-282018I.V. MONTALVO C 55KILLAM OIL CO., LTD.Starr County, TX
04-282427I.V. MONTALVO C 59KILLAM OIL CO., LTD.Starr County, TX
04-282429I.V. MONTALVO C 57KILLAM OIL CO., LTD.Starr County, TX
04-282653I.V. MONTALVO C 59KILLAM OIL CO., LTD.Starr County, TX
04-283381I.V. MONTALVO A 20KILLAM OIL CO., LTD.Starr County, TX
04-284072I.V. MONTALVO A 20KILLAM OIL CO., LTD.Starr County, TX
04-284712I. V. MONTALVO C 54KILLAM OIL CO., LTD.Starr County, TX
04-287193I.V. MONTALVO C 55KILLAM OIL CO., LTD.Starr County, TX
04-287266I.V. MONTALVO C 49KILLAM OIL CO., LTD.Starr County, TX
04-290318I.V. MONTALVO C 57KILLAM OIL CO., LTD.Starr County, TX
04-290360I.V. MONTALVO C 63KILLAM OIL CO., LTD.Starr County, TX
04-290549I.V. MONTALVO C 49KILLAM OIL CO., LTD.Starr County, TX
04-298005I.V. MONTALVO A 20KILLAM OIL CO., LTD.Starr County, TX
04-298182I.V. MONTALVO C 55KILLAM OIL CO., LTD.Starr County, TX
04-301126I.V. MONTALVO C 49KILLAM OIL CO., LTD.Starr County, TX

Nearby Properties

These are the closest 20 properties to the I.V. Montalvo property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Amanda McKinneyStarr County, TX218 BBLs2,292 MCFMar 2026
Block E. HeirsStarr County, TX22 BBLs0 MCFMar 2026
De GarzaStarr County, TX0 BBLs0 MCFFeb 2021
De Lopez C.VStarr County, TX0 BBLs0 MCFJan 2024
De Lopez, C.V. -AStarr County, TX15 BBLs0 MCFFeb 2026
Emma Pena Gas UnitStarr County, TX55 BBLs7,703 MCFMar 2026
Farias N.AStarr County, TX39 BBLs1,800 MCFMar 2026
Garza-Montalvo Gas UnitStarr County, TX0 BBLs902 MCFMar 2026
Geo. H. SpeerStarr County, TX171 BBLs6,677 MCFMar 2026
LaurelStarr County, TX0 BBLs0 MCFOct 2025
LaurelStarr County, TX28 BBLs1,347 MCFMar 2026
McKinney AStarr County, TX0 BBLs0 MCFApr 2025
MontalvoStarr County, TX369 BBLs548 MCFMar 2026
N.R. MontalvoStarr County, TX0 BBLs0 MCFMay 2020
Olivares AStarr County, TX36 BBLs12,190 MCFMar 2026
PenaStarr County, TX0 BBLs0 MCFApr 2006
SaenzStarr County, TX0 BBLs0 MCFOct 2025
Saenz, VIStarr County, TX0 BBLs0 MCFAug 2023
Speer GeoStarr County, TX36 BBLs7,672 MCFMar 2026
Texas Osage GStarr County, TX2 BBLs1,437 MCFMar 2026

Owners of I.V. Montalvo

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025KILLAM OIL COMPANY LTDMONTALVO I V -A- W#19, 20KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025SUSPENSEMONTALVO I V -A- W#19, 20KILLAM OIL COMPANY LTD
2025ALANIZ REYNALDO & MARGARITA FAMILY MGMTI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025SAN MARCOS RANCH LPI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025MARTINEZ MARIA CHRISTINAI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDI V MONTALVO 'C'KILLAM OIL COMPANY LTD
2025KILLAM OIL COMPANY LTDI V MONTALVO 'C'KILLAM OIL COMPANY LTD
Displaying 8 of 275 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on I.V. Montalvo

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
04-14004I. V. MONTALVO 'C'Mar 2026GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298005I.V. MONTALVO A 20Feb 2026GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298182I.V. MONTALVO C 55Feb 2026KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Feb 2026GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14004I. V. MONTALVO 'C'Feb 2026KOSTARR RESOURCES, LLC
04-275791I. V. MONTALVO C 46Feb 2026KOSTARR RESOURCES, LLC
04-14256I.V. MONTALVO 'C'Feb 2026KOSTARR RESOURCES, LLC
04-14256I.V. MONTALVO 'C'Jan 2026KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Jan 2026KOSTARR RESOURCES, LLC
04-290549I.V. MONTALVO C 49Jan 2026GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14050I.V. MONTALVO 'C'Jan 2026GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298182I.V. MONTALVO C 55Jan 2026KOSTARR RESOURCES, LLC
04-275791I. V. MONTALVO C 46Jan 2026KOSTARR RESOURCES, LLC
04-298182I.V. MONTALVO C 55Dec 2025KOSTARR RESOURCES, LLC
04-14256I.V. MONTALVO 'C'Dec 2025KOSTARR RESOURCES, LLC
04-275791I. V. MONTALVO C 46Dec 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Dec 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14004I. V. MONTALVO 'C'Dec 2025KOSTARR RESOURCES, LLC
04-14050I.V. MONTALVO 'C'Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298182I.V. MONTALVO C 55Nov 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Nov 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-275791I. V. MONTALVO C 46Nov 2025KOSTARR RESOURCES, LLC
04-290549I.V. MONTALVO C 49Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14256I.V. MONTALVO 'C'Nov 2025KOSTARR RESOURCES, LLC