UNIVERSITY GREAT PLAINS -B-

Oil · District 7C · Lease #453

Operator: RANGE PRODUCTION COMPANY

Cum Oil

114k BBL

Cum Gas

241k MCF

casinghead

Wells

9

Production

1993-01 — 2026-03

Peak Month

1994-07

Production History

Cum Oil: 114,331 BBL Cum Gas: 240,743 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

641 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

105,764 BBL

R-squared

0.853

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
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 (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9DIGITAL OPERATING COMPANY LLC12,7001997-10-13
7DIGITAL OPERATING COMPANY LLC12,8001978-02-23
8DIGITAL OPERATING COMPANY LLC12,8001978-02-23
6DIGITAL OPERATING COMPANY LLC12,8001977-08-19
5DIGITAL OPERATING COMPANY LLC12,8001977-08-17
142-105-03556DIGITAL OPERATING COMPANY LLC------
242-105-01253DIGITAL OPERATING COMPANY LLC------
342-105-01255DIGITAL OPERATING COMPANY LLC------
442-105-01257DIGITAL OPERATING COMPANY LLC------