UNIVERSITY

Oil · District 7C · Lease #9888

Operator: RANGE PRODUCTION COMPANY

Cum Oil

163k BBL

Cum Gas

250k MCF

casinghead

Wells

8

Production

1993-01 — 2026-03

Peak Month

1996-12

Production History

Cum Oil: 163,250 BBL Cum Gas: 250,067 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,156 BBL/mo

Di (annual)

19.8%

b-factor

1.0

EUR

167,155 BBL

R-squared

0.786

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
1995-04 — 1998-08 LOMAK PRODUCTION COMPANY 41 mo
1995-03 — 1995-03 PARKER & PARSLEY DEVELOPMENT L.P 1 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7DIGITAL OPERATING COMPANY LLC12,7001996-08-28
8DIGITAL OPERATING COMPANY LLC12,7001996-08-28
6DIGITAL OPERATING COMPANY LLC12,7001983-01-06
3DIGITAL OPERATING COMPANY LLC12,7001982-12-31
4DIGITAL OPERATING COMPANY LLC12,7001982-12-31
5DIGITAL OPERATING COMPANY LLC12,7001982-12-31
1DIGITAL OPERATING COMPANY LLC12,7001982-10-14
2DIGITAL OPERATING COMPANY LLC12,7001982-10-14