UNIVERSITY -A-

Oil · District 7C · Lease #479

Operator: VALLEY RESOURCES, INC.

Cum Oil

98k BBL

Cum Gas

155k MCF

casinghead

Wells

8

Production

1993-01 — 2026-03

Peak Month

1996-03

Production History

Cum Oil: 98,018 BBL Cum Gas: 154,969 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,105 BBL/mo

Di (annual)

23.2%

b-factor

0.5

EUR

97,442 BBL

R-squared

0.829

type

hyperbolic

Operator History (from monthly production reports)

2022-07 — 2026-07 DIGITAL OPERATING COMPANY LLC 49 mo
2004-10 — 2022-06 ENDEAVOR ENERGY RESOURCES L.P. 213 mo
1998-09 — 2004-09 RANGE PRODUCTION COMPANY 73 mo
1993-04 — 1998-08 LOMAK PRODUCTION COMPANY 65 mo
1993-01 — 1993-03 VALLEY RESOURCES, INC. 3 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6DIGITAL OPERATING COMPANY LLC12,7001995-09-25
8DIGITAL OPERATING COMPANY LLC12,7001995-09-25
5DIGITAL OPERATING COMPANY LLC12,7001995-05-31
7DIGITAL OPERATING COMPANY LLC12,7001985-01-29
142-105-03330DIGITAL OPERATING COMPANY LLC------
242-105-03334DIGITAL OPERATING COMPANY LLC------
342-105-03338DIGITAL OPERATING COMPANY LLC------
442-105-03342DIGITAL OPERATING COMPANY LLC------