UNIVERSITY (M) -DD-

Oil · District 7C · Lease #477

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

184k BBL

Cum Gas

378k MCF

casinghead

Wells

11

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 183,991 BBL Cum Gas: 378,382 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,104 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

196,894 BBL

R-squared

0.901

type

exponential

Operator History (from monthly production reports)

2022-07 — 2026-07 DIGITAL OPERATING COMPANY LLC 49 mo
2006-02 — 2022-06 ENDEAVOR ENERGY RESOURCES L.P. 197 mo
2003-05 — 2006-01 MILLENNIUM RESOURCES, LLC. 33 mo
2000-06 — 2003-04 PURE RESOURCES, L.P. 35 mo
1993-01 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 89 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10DIGITAL OPERATING COMPANY LLC12,8001988-06-27
11DIGITAL OPERATING COMPANY LLC12,8001988-06-27
9DIGITAL OPERATING COMPANY LLC12,8001988-06-27
7DIGITAL OPERATING COMPANY LLC12,7701987-08-18
8DIGITAL OPERATING COMPANY LLC12,7701987-08-18
6XDIGITAL OPERATING COMPANY LLC12,6001980-04-22
5DIGITAL OPERATING COMPANY LLC12,6001979-10-15
142-105-01812DIGITAL OPERATING COMPANY LLC------
242-105-01813DIGITAL OPERATING COMPANY LLC------
342-105-31108DIGITAL OPERATING COMPANY LLC------
442-105-31107DIGITAL OPERATING COMPANY LLC------