Harper Unit

Oil & Gas Property in La Salle County, TX

Property Summary

Key data points for Harper Unit

CountyLa Salle County, TX
OperatorVERDUN OIL EF II LLC
Production DatesAug 2015 - Jan 2026
Total Oil Production285,164 BBLs
Total Gas Production901,552 MCF
Recent Oil Production580 BBLs in Dec 2025
Recent Gas Production2,641 MCF in Dec 2025
Wells on Property2

Our Valuation Estimates for Harper Unit

ShaleAssessment

$33,121 *

MarketMultiple

$138,847 **

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

Based on a decimal interest

Harper Unit 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 Harper Unit
from Aug 2015 to Jan 2026

Wells on Harper Unit

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
42-283-35360HARPER UNIT 17HVerdun Oil EF II LLCProducingLa Salle County, TX28.437796-99.220004
42-283-35361HARPER UNIT 18HVerdun Oil EF II LLCProducingLa Salle County, TX28.437731-99.220081

Leases included in Harper Unit

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
01-18535HARPER UNITVerdun Oil EF II LLCLa Salle County, TX

Nearby Properties

These are the closest 20 properties to the Harper Unit property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
Balloon HoundLa Salle County, TX11,144 BBLs42,494 MCFJan 2026
Benet MercieLa Salle County, TX4,641 BBLs20,429 MCFJan 2026
Booth-MiddletonLa Salle County, TX0 BBLs3,385 MCFJan 2026
Cotulla EastLa Salle County, TX1,320 BBLs2,071 MCFJan 2026
Cotulla East A Allocation 12HLa Salle County, TX729 BBLs2,441 MCFJan 2026
Cotulla East B Allocation 13HLa Salle County, TX296 BBLs1,887 MCFDec 2025
CurtisLa Salle County, TX873 BBLs1,376 MCFJan 2026
Dietze Unit ALa Salle County, TX1,038 BBLs1,566 MCFJan 2026
DuckboardLa Salle County, TX3,204 BBLs19,556 MCFJan 2026
GarciaLa Salle County, TX6,621 BBLs31,318 MCFJan 2026
Garcia C-D UnitLa Salle County, TX5,766 BBLs13,753 MCFJan 2026
Harper Allocation A 101HLa Salle County, TX5,477 BBLs16,144 MCFJan 2026
Harper-Dietze B 102HLa Salle County, TX3,564 BBLs7,668 MCFJan 2026
Jeremy B. Peters Family TrustLa Salle County, TX395 BBLs1,787 MCFJan 2026
Maltsberger Northcut UnitLa Salle County, TX874 BBLs1,860 MCFJan 2026
Middleton-Sachs A UnitLa Salle County, TX0 BBLs0 MCFJan 2026
NewmanLa Salle County, TX12,437 BBLs23,534 MCFJan 2026
Newman Brown TrustLa Salle County, TX6,925 BBLs18,146 MCFJan 2026
Soixante QuinzeLa Salle County, TX994 BBLs4,611 MCFDec 2025
Venado BrosLa Salle County, TX604 BBLs12,252 MCFJan 2026

Frac'ing activity on Harper Unit

API #Well NameStart DateEnd DateVertical DepthTotal Water Volume
42-283-35360Harper Unit 17H
42-283-35361Harper Unit 18H

Owners of Harper Unit

Royalty Ownership data is obtained from public records
YearOwnerProperty NameOperatorPercentageInterest TypeAppraisal ValueLegal Desciption
2025EP ENERGY E & P CO LLCHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025HACKBERRY SWITCH PROPERTIES LPHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025GARCIA SAUL R & MARISSA DHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025CITY OF COTULLAHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025MANLY KENNETH EDWARDHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025MANLY JULIAN CLARENCEHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025COTULLA ISDHARPER UNIT W#17HEP ENERGY E & P CO LLC.
2025FREEHOLD ROYALTIES (USA) INCHARPER UNIT W#17HEP ENERGY E & P CO LLC.
Displaying 8 of 124 Owners   --   Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on Harper Unit

Lease #Lease NameReporting PeriodProductVolumeValueGross PricePurchaserProducer
Lease #Lease NameReporting PeriodProductOil VolumeOil ValueCalculated Oil PricePurchaserProducer
01-18535HARPER UNITDec 2025GUNVOR USA LLCVERDUN OIL EF II LLC
01-18535HARPER UNITNov 2025GUNVOR USA LLCVERDUN OIL EF II LLC
01-18535HARPER UNITNov 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITNov 2025VERDUN OIL EF II LLC
01-18535HARPER UNITOct 2025GUNVOR USA LLCVERDUN OIL EF II LLC
01-18535HARPER UNITOct 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITOct 2025VERDUN OIL EF II LLC
01-18535HARPER UNITSep 2025GUNVOR USA LLCVERDUN OIL EF II LLC
01-18535HARPER UNITSep 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITSep 2025VERDUN OIL EF II LLC
01-18535HARPER UNITAug 2025GUNVOR USA LLCVERDUN OIL EF II LLC
01-18535HARPER UNITAug 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITAug 2025VERDUN OIL EF II LLC
01-18535HARPER UNITJul 2025FLINT HILLS RESOURCES, LPVERDUN OIL EF II LLC
01-18535HARPER UNITJul 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITJul 2025VERDUN OIL EF II LLC
01-18535HARPER UNITJun 2025FLINT HILLS RESOURCES, LPVERDUN OIL EF II LLC
01-18535HARPER UNITJun 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITJun 2025VERDUN OIL EF II LLC
01-18535HARPER UNITMay 2025FLINT HILLS RESOURCES, LPVERDUN OIL EF II LLC
01-18535HARPER UNITMay 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITMay 2025VERDUN OIL EF II LLC
01-18535HARPER UNITApr 2025FLINT HILLS RESOURCES, LPVERDUN OIL EF II LLC
01-18535HARPER UNITApr 2025VERDUN OIL EF II LLCVERDUN OIL EF II LLC
01-18535HARPER UNITApr 2025VERDUN OIL EF II LLC