LLM South

Oil & Gas Property in Zavala County, TX

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Property Summary

Key data points for LLM South

County	Zavala County, TX
Operator	U. S. ENERGY DEVELOPMENT CORPORATION
Production Dates	Oct 2017 - Jan 2026
Total Oil Production	1,756,348 BBLs
Total Gas Production	2,660,985 MCF
Recent Oil Production	7,704 BBLs in Dec 2025
Recent Gas Production	13,542 MCF in Dec 2025
Wells on Property	7

Our Valuation Estimates for LLM South

ShaleAssessment™

$65,912 *

MarketMultiple™

$917,224 **

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

Based on a decimal interest

LLM South Production Graph

Aggregated production of all wells and leases associated with this property

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to oil and gas production for LLM South
from Oct 2017 to Jan 2026

Wells on LLM South

API #	Well Name	Operator	Status	County	Latitude	Longitude
42-507-33289	LLM SOUTH A1EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.857427	-99.451094
42-507-33290	LLM SOUTH A2EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.857506	-99.451072
42-507-33291	LLM SOUTH A3EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.857335	-99.450727
42-507-33312	LLM SOUTH C1EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.867533	-99.447641
42-507-33313	LLM SOUTH C2EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.867917	-99.447955
42-507-33314	LLM SOUTH B1EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.862378	-99.449631
42-507-33315	LLM SOUTH B2EF	U.S. ENERGY DEVELOPMENT CORP	Producing	Zavala County, TX	28.862444	-99.449611

Leases included in LLM South

Lease #	Lease Name	Operator	County	Monthly Oil Prod.	Monthly Gas Prod.
01-19132	LLM SOUTH	U.S. ENERGY DEVELOPMENT CORP	Zavala County, TX

Nearby Properties

These are the closest 20 properties to the LLM South property.

Property Name	Location	Oil Prod.	Gas Prod.	Prod. Period
Banrich	Frio County, TX	384 BBLs	525 MCF	Jan 2026
Bauerle Unit Zav	Zavala County, TX	727 BBLs	805 MCF	Jan 2026
Cyndi Unit	Frio County, TX	3,707 BBLs	2,290 MCF	Jan 2026
Hideaway Ranch	Frio County, TX	15,413 BBLs	13,788 MCF	Jan 2026
Ironwood	Frio County, TX	4,418 BBLs	3,187 MCF	Jan 2026
KM North Zav	Zavala County, TX	1,793 BBLs	1,926 MCF	Jan 2026
KM South Zav	Zavala County, TX	3,404 BBLs	1,638 MCF	Jan 2026
KM-Commerce Unit Zav	Zavala County, TX	1,359 BBLs	1,297 MCF	Jan 2026
KM-Miller Unit Zav	Zavala County, TX	4,491 BBLs	1,845 MCF	Jan 2026
KM-Winterbotham Unit Zav	Zavala County, TX	2,081 BBLs	2,430 MCF	Jan 2026
La Mota Zav	Zavala County, TX	2,470 BBLs	2,095 MCF	Jan 2026
LLM North	Zavala County, TX	1,794 BBLs	2,723 MCF	Jan 2026
LLM Unit Zav	Zavala County, TX	487 BBLs	1,165 MCF	Jan 2026
LLM Zav	Zavala County, TX	1,767 BBLs	4,478 MCF	Jan 2026
Miller Unit Zav	Zavala County, TX	1,683 BBLs	1,641 MCF	Jan 2026
Shackelford	Frio County, TX	351 BBLs	41 MCF	Jan 2026
Sola Vaca Norte	Zavala County, TX	5,705 BBLs	26,878 MCF	Jan 2026
Traylor North	Zavala County, TX	42,459 BBLs	38,011 MCF	Jan 2026
Traylor Unit Zav	Zavala County, TX	19,196 BBLs	13,197 MCF	Jan 2026
Winterbotham	Zavala County, TX	0 BBLs	0 MCF	May 2016

Companies in the Area

These are the closest 20 companies operating near the LLM South property.

Company Name
Acorn Oil & Gas, LLC
Ageron Energy, LLC
Buffco Production, Inc.
Chesapeake Operating LLC
Chesapeake Operating, Inc.
Crimson Exploration Oper., Inc.
Downing Well Service, Inc.
Exco Operating Company, LP
Formentera Operations LLC
Ineos USA Oil & Gas LLC
Penwell Energy, Inc.
Production Resources, Inc.
Retama Oil Corporation
Rio Bravo Royalty Co.
Setex Oil And Gas Company
SN Operating, LLC
Trailblazer Energy Resources, LLC
U. S. Energy Development Corporation
Virtex Operating Company, Inc.
Wainoco Oil & Gas Company

Frac'ing activity on LLM South

API #	Well Name	Start Date	End Date	Vertical Depth	Total Water Volume
42-507-33289	LLM ZAV South A1 EF
42-507-33290	LLM ZAV South A2 EF
42-507-33291	LLM ZAV S A3 EF
42-507-33312	LLM South C 1EF
42-507-33313	LLM South C 2EF
42-507-33314	LLM South B Unit 1EF
42-507-33315	LLM South B Unit 2EF

Owners of LLM South

Royalty Ownership data is obtained from public records

Year	Owner	Property Name	Operator
2025	U S ENERGY DEVELOPMENT CORP	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	DUNBAR JANE KEMBLE	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	LLM REAL ESTATE HOLDINGS LTD	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	SNYDER SUSAN DUNBAR	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	U S ENERGY DEVELOPMENT CORP	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	MIDLAND TRUST	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	BOULDERS LAND & MINERAL LP	LLM SOUTH A,B,C	U.S. ENERGY DE
2025	POWELL LOYD WALTER III REV TR	LLM SOUTH A,B,C	U.S. ENERGY DE
Displaying 8 of 9 Owners -- Full Ownership Data Available for Subscribers Only

Oil & Gas Sales on LLM South

Lease #	Lease Name	Reporting Period	Product	Volume	Value	Gross Price	Purchaser	Producer
Lease #	Lease Name	Reporting Period	Product	Oil Volume	Oil Value	Calculated Oil Price	Purchaser	Producer
01-19132	LLM SOUTH	Dec 2025					PLAINS MARKETING, L.P.	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Nov 2025					PLAINS MARKETING, L.P.	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Nov 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Nov 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Oct 2025					PLAINS MARKETING, L.P.	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Oct 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Oct 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Sep 2025					PLAINS MARKETING, L.P.	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Sep 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Sep 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Aug 2025					APRICUS ENTERPRISES, LLC	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Aug 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Aug 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jul 2025					APRICUS ENTERPRISES, LLC	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jul 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jul 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jun 2025					APRICUS ENTERPRISES, LLC	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jun 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Jun 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	May 2025					APRICUS ENTERPRISES, LLC	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	May 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	May 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Apr 2025					APRICUS ENTERPRISES, LLC	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Apr 2025					ENTERPRISE PRODUCTS OPERATING L P	U.S. ENERGY DEVELOPMENT CORPORATION
01-19132	LLM SOUTH	Apr 2025					U.S. ENERGY DEVELOPMENT CORPORATION	U.S. ENERGY DEVELOPMENT CORPORATION