UNIVERSITY-10

Oil · District 08 · Lease #28933

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

898k BBL

Cum Gas

732k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2005-03

Production History

Cum Oil: 897,611 BBL Cum Gas: 732,497 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,270 BBL/mo

Di (annual)

32.0%

b-factor

0.9

EUR

615,503 BBL

R-squared

0.964

type

hyperbolic

Operator History (from monthly production reports)

2004-03 — 2026-07 STEPHENS & JOHNSON OPERATING CO. 269 mo
2001-04 — 2004-02 ICA ENERGY OPERATING, L.L.C. 35 mo
2000-03 — 2001-03 3TEC ENERGY CORPORATION 13 mo
1995-02 — 2000-02 FLOYD OPERATING COMPANY 61 mo
1993-01 — 1995-01 CONOCO INC. 25 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8STEPHENS & JOHNSON OPERATING CO.17,5002004-09-22
7STEPHENS & JOHNSON OPERATING CO.18,0002000-07-07
6STEPHENS & JOHNSON OPERATING CO.27,1001987-08-06
1STEPHENS & JOHNSON OPERATING CO.17,0501985-11-20
5STEPHENS & JOHNSON OPERATING CO.17,0451985-11-06
2STEPHENS & JOHNSON OPERATING CO.17,0501985-01-07
3STEPHENS & JOHNSON OPERATING CO.17,0351984-01-25