UNIVERSITY -C-16-

Oil · District 08 · Lease #11754

Operator: STEPHENS & JOHNSON OPERATING CO.

Cum Oil

112k BBL

Cum Gas

114k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 111,914 BBL Cum Gas: 114,223 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

628 BBL/mo

Di (annual)

18.7%

b-factor

0.0

EUR

40,338 BBL

R-squared

0.478

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4STEPHENS & JOHNSON OPERATING CO.27,5002022-02-01
1 U42-003-00267STEPHENS & JOHNSON OPERATING CO.------