KIEFER

Oil · District 01 · Lease #12655

Operator: WINDSOR EXPLORATION COMPANY

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

14k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1993-01 — 1996-01

Peak Month

1993-08

Production History

Cum Oil: 14,463 BBL Cum Gas: 5,173 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,199 BBL/mo

Di (annual)

385.2%

b-factor

0.1

EUR

7,663 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

1996-11 — 2003-08 STRAND ENERGY, L.C. 82 mo

1993-09 — 1996-10 JAB OPERATING, INC. 38 mo

1993-07 — 1993-08 JAB OPERATING 2 mo

1993-01 — 1993-06 WINDSOR EXPLORATION COMPANY 6 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-163-32755	STRAND ENERGY L.C.	1	6,200	1990-06-19