UNIVERSITY "11-A"

Oil · District 08 · Lease #30692

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

88k BBL

Cum Gas

91k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 87,514 BBL Cum Gas: 91,340 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

474 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

95,269 BBL

R-squared

0.801

type

exponential

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1STEPHENS & JOHNSON OPERATING CO.14,5501986-02-18