UNIVERSITY "D"

Oil · District 7C · Lease #9118

Operator: VALLEY RESOURCES, INC.

Cum Oil

190k BBL

Cum Gas

323k MCF

casinghead

Wells

15

Production

1993-01 — 2026-03

Peak Month

1993-05

Production History

Cum Oil: 189,808 BBL Cum Gas: 322,810 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,027 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

145,692 BBL

R-squared

0.811

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 (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17DIGITAL OPERATING COMPANY LLC12,7001997-10-13
18DIGITAL OPERATING COMPANY LLC12,7001997-10-13
4ADIGITAL OPERATING COMPANY LLC12,7001985-03-01
11DIGITAL OPERATING COMPANY LLC12,6501982-10-18
12DIGITAL OPERATING COMPANY LLC12,6501982-10-18
13DIGITAL OPERATING COMPANY LLC12,6501982-10-18
14DIGITAL OPERATING COMPANY LLC12,6501982-10-18
15DIGITAL OPERATING COMPANY LLC12,6501982-10-18
16DIGITAL OPERATING COMPANY LLC12,6501982-10-18
142-105-03333DIGITAL OPERATING COMPANY LLC------
242-105-03337DIGITAL OPERATING COMPANY LLC------
342-105-03341DIGITAL OPERATING COMPANY LLC------
542-105-03346DIGITAL OPERATING COMPANY LLC------
742-105-03348DIGITAL OPERATING COMPANY LLC------
942-105-03350DIGITAL OPERATING COMPANY LLC------