Block E. Heirs

Oil & Gas Property in Starr County, TX

Property Summary

Key data points for Block E. Heirs

CountyStarr County, TX
Production DatesJan 1993 - Jul 2025
Total Oil Production36,421 BBLs
Total Gas Production581,613 MCF
Recent Oil Production23 BBLs in Jun 2025
Recent Gas Production0 MCF in Jun 2025
Wells on Property4

Our Valuation Estimates for Block E. Heirs

ShaleAssessment

$2,574 *

MarketMultiple

$2,937 **

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

Based on a decimal interest

Block E. Heirs Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Block E. Heirs
from Jan 1993 to Jul 2025

Wells on Block E. Heirs

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-427-00896BLOCK, E., HEIRS 1Plugged Oil/Gas WellStarr County, TX26.675778-98.526177
42-427-00898BLOCK, E., HEIRS -B- 1EXXON CORP.Plugged Gas WellStarr County, TX26.690444-98.538403
42-427-31393BLOCK, E. HEIRS "B" 2EXXON CORP.Plugged Gas WellStarr County, TX26.688538-98.541370
42-427-33060BLOCK E. HEIRS B 4OSBORN,W.B. OIL & GAS OPERATIONSProducingStarr County, TX26.696586-98.533396

Leases included in Block E. Heirs

Lease #Lease NameOperatorCountyMonthly Oil Prod.
04-014492BLOCK, E., HEIRS -B- 1EXXON CORP.Starr County, TX
04-03063BLOCK, E., HEIRSHUMBLE OIL & REFINING CO.Starr County, TX
04-088284BLOCK, E. HEIRS "B" 2EXXON CORP.Starr County, TX
04-14238BLOCK, E. HEIRS "B"OSBORN,W.B. OIL & GAS OPERATIONSStarr County, TX
04-163762BLOCK, E. HEIRS "B" 2OSBORN,W.B. OIL & GAS OPERATIONSStarr County, TX
04-167516BLOCK E. HEIRS B 4OSBORN,W.B. OIL & GAS OPERATIONSStarr County, TX

Operators Associated With Block E. Heirs

Nearby Properties

These are the closest 20 properties to the Block E. Heirs property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Amanda McKinneyStarr County, TX220 BBLs4,151 MCFJul 2025
C.M. Hall A 2Starr County, TX8 BBLs4,017 MCFJul 2025
De GarzaStarr County, TX0 BBLs0 MCFMar 2021
De Lopez C.VStarr County, TX0 BBLs0 MCFJan 2024
Emma Pena Gas UnitStarr County, TX22 BBLs8,281 MCFJul 2025
Garza-Montalvo Gas UnitStarr County, TX20 BBLs1,103 MCFJul 2025
Geo. H. SpeerStarr County, TX156 BBLs8,975 MCFJul 2025
HallStarr County, TX106 BBLs12,221 MCFJul 2025
Hall J.F. StateStarr County, TX1,969 BBLs17,658 MCFJul 2025
I.V. MontalvoStarr County, TX663 BBLs15,930 MCFJul 2025
LaurelStarr County, TX46 BBLs1,115 MCFJul 2025
LaurelStarr County, TX15 BBLs0 MCFJul 2025
McKinney, Mrs. AStarr County, TX0 BBLs0 MCFSep 1996
MontalvoStarr County, TX624 BBLs2,629 MCFJul 2025
N.R. MontalvoStarr County, TX0 BBLs0 MCFMay 2020
Olivares AStarr County, TX31 BBLs11,084 MCFJul 2025
PenaStarr County, TX0 BBLs0 MCFApr 2006
SaenzStarr County, TX0 BBLs0 MCFJul 2025
Saenz, VIStarr County, TX0 BBLs0 MCFAug 2023
Speer GeoStarr County, TX79 BBLs11,141 MCFJul 2025

Oil & Gas Sales on Block E. Heirs

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
04-14238BLOCK, E. HEIRS "B"Apr 2025GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-14238BLOCK, E. HEIRS "B"Sep 2024GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Mar 2024GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Aug 2023GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Feb 2023GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Jun 2022GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Dec 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Dec 2021GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Nov 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Oct 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Sep 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Jul 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Jun 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2May 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2May 2021GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Apr 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Mar 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Feb 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Jan 2021ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Dec 2020ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Nov 2020ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Oct 2020ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Oct 2020GULFMARK ENERGY, INC.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Sep 2020ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS
04-163762BLOCK, E. HEIRS "B" 2Aug 2020ENTERPRISE HYDROCARBONS L.P.W B OSBORN OIL & GAS OPERATIONS