UNIVERSITY "4-A"

Oil · District 7C · Lease #7703

Operator: VALLEY RESOURCES, INC.

Cum Oil

35k BBL

Cum Gas

167k MCF

casinghead

Wells

10

Production

1993-01 — 2026-03

Peak Month

1994-12

Production History

Cum Oil: 35,181 BBL Cum Gas: 167,224 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

254 BBL/mo

Di (annual)

10.4%

b-factor

0.3

EUR

37,151 BBL

R-squared

0.799

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 (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10DIGITAL OPERATING COMPANY LLC12,8001982-05-25
9DIGITAL OPERATING COMPANY LLC12,8001982-05-25
7DIGITAL OPERATING COMPANY LLC12,7001982-05-24
8DIGITAL OPERATING COMPANY LLC12,7001982-05-24
5DIGITAL OPERATING COMPANY LLC12,8001982-04-19
6DIGITAL OPERATING COMPANY LLC12,8001982-04-19
4DIGITAL OPERATING COMPANY LLC12,5001979-02-20
3DIGITAL OPERATING COMPANY LLC12,5001979-01-24
2DIGITAL OPERATING COMPANY LLC12,8001978-10-02
1DIGITAL OPERATING COMPANY LLC12,8001978-06-30