I.V. Montalvo

Oil & Gas Property in Starr County, TX

  2. Texas
  3. Starr County, TX
  4. Oil & Gas Properties in Starr County, TX
  5. I.V. Montalvo Oil & Gas Property

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Property Summary

Key data points for I.V. Montalvo

CountyStarr County, TX
OperatorKILLAM OIL CO., LTD.
Production DatesDec 2013 - Nov 2025
Total Oil Production570,345 BBLs
Total Gas Production4,086,137 MCF
Recent Oil Production184 BBLs in Oct 2025
Recent Gas Production6,532 MCF in Oct 2025
Wells on Property14

Our Valuation Estimates for I.V. Montalvo

ShaleAssessment™

$23,466 *

MarketMultiple™

$100,824 **

* 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
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to oil and gas production for I.V. Montalvo
from Dec 2013 to Nov 2025

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.Temp AbandonedStarr County, TX26.705484-98.481961
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.Shut InStarr 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.Temp AbandonedStarr 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
04-274231I. 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

Nearby Properties

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

Property NameLocationOil Prod.Gas Prod.Prod. Period
Amanda McKinneyStarr County, TX198 BBLs1,134 MCFNov 2025
Block E. HeirsStarr County, TX23 BBLs0 MCFNov 2025
De GarzaStarr County, TX0 BBLs0 MCFMar 2021
De Lopez C.VStarr County, TX0 BBLs0 MCFJan 2024
De Lopez, C. V. AStarr County, TX0 BBLs0 MCFAug 2025
Emma Pena Gas UnitStarr County, TX23 BBLs8,270 MCFNov 2025
Garza-Montalvo Gas UnitStarr County, TX2 BBLs1,162 MCFNov 2025
Geo. H. SpeerStarr County, TX225 BBLs9,227 MCFNov 2025
LaurelStarr County, TX39 BBLs1,084 MCFNov 2025
LaurelStarr County, TX6 BBLs0 MCFOct 2025
McKinney, Mrs. AStarr County, TX0 BBLs0 MCFSep 1996
MontalvoStarr County, TX623 BBLs2,807 MCFNov 2025
Montalvo B (North) Unit 1Starr County, TX12 BBLs3,271 MCFNov 2025
N.R. MontalvoStarr County, TX0 BBLs0 MCFMay 2020
Olivares AStarr County, TX28 BBLs12,394 MCFNov 2025
PenaStarr County, TX0 BBLs0 MCFJul 2006
SaenzStarr County, TX5 BBLs0 MCFOct 2025
Saenz, VIStarr County, TX0 BBLs0 MCFAug 2023
Speer GeoStarr County, TX16 BBLs5,758 MCFNov 2025
Texas Osage GStarr County, TX2 BBLs1,297 MCFNov 2025

Companies in the Area

These are the closest 20 companies operating near the I.V. Montalvo property.

Company Name
Brazos Petroleum, Inc.
Bse Production Co.
Comstock Oil & Gas, Inc.
Cummins & Walker Oil Co., Inc.
Cyber Enviro-Tech Inc
Exxon Corporation
Kerr-McGee Corporation
Kerr-McGee Oil & Gas Onshore LLC
Kerr-McGee Oil & Gas Onshore LP
Killam Oil Co., LTD.
L & B Oil And Gas Equipment, LLC
Merit Energy Company
Mueller Engineering Corp.
Oryx Energy Company
Osborn,W.B. Oil & Gas Operations
Rand - Paulson Oil Company, Inc.
Reh Energy, Inc.
Samson Lone Star LP
Triad O&G, LLC
Valley Petrochemicals, LLC

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
2025SAN MARCOS RANCH LPI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025MARTINEZ MARIA CHRISTINAI.V. MONTALVO C #55KILLAM OIL COMPANY LTD
2025ALANIZ REYNALDO & MARGARITA FAMILY MGMTI.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'Dec 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-275791I. V. MONTALVO C 46Nov 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Nov 2025KOSTARR RESOURCES, LLC
04-298005I.V. MONTALVO A 20Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14004I. V. MONTALVO 'C'Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14050I.V. MONTALVO 'C'Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14256I.V. MONTALVO 'C'Nov 2025KOSTARR RESOURCES, LLC
04-290549I.V. MONTALVO C 49Nov 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298182I.V. MONTALVO C 55Nov 2025KOSTARR RESOURCES, LLC
04-14026I. V. MONTALVO 'C'Oct 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Oct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14004I. V. MONTALVO 'C'Oct 2025KOSTARR RESOURCES, LLC
04-14050I.V. MONTALVO 'C'Oct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-290549I.V. MONTALVO C 49Oct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298005I.V. MONTALVO A 20Oct 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14256I.V. MONTALVO 'C'Oct 2025KOSTARR RESOURCES, LLC
04-275791I. V. MONTALVO C 46Oct 2025KOSTARR RESOURCES, LLC
04-298005I.V. MONTALVO A 20Oct 2025KOSTARR RESOURCES, LLC
04-298182I.V. MONTALVO C 55Oct 2025KOSTARR RESOURCES, LLC
04-14050I.V. MONTALVO 'C'Sep 2025KOSTARR RESOURCES, LLC
04-14050I.V. MONTALVO 'C'Sep 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-14256I.V. MONTALVO 'C'Sep 2025GULFMARK ENERGY, INC.KILLAM OIL CO., LTD.
04-298005I.V. MONTALVO A 20Sep 2025KOSTARR RESOURCES, LLC
04-298182I.V. MONTALVO C 55Sep 2025KOSTARR RESOURCES, LLC
04-14004I. V. MONTALVO 'C'Sep 2025KOSTARR RESOURCES, LLC