UNIVERSITY -C-

Oil · District 7C · Lease #481

Operator: VALLEY RESOURCES, INC.

Cum Oil

78k BBL

Cum Gas

106k MCF

casinghead

Wells

7

Production

1993-01 — 2026-03

Peak Month

1998-05

Production History

Cum Oil: 77,915 BBL Cum Gas: 106,482 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

438 BBL/mo

Di (annual)

7.4%

b-factor

0.0

EUR

69,001 BBL

R-squared

0.765

type

exponential

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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7DIGITAL OPERATING COMPANY LLC12,7001996-01-05
8DIGITAL OPERATING COMPANY LLC12,7001996-01-05
5DIGITAL OPERATING COMPANY LLC12,7001985-01-25
6DIGITAL OPERATING COMPANY LLC12,7001985-01-24
142-105-80130DIGITAL OPERATING COMPANY LLC------
2D42-105-03336DIGITAL OPERATING COMPANY LLC------
342-105-03340DIGITAL OPERATING COMPANY LLC------