WALSH-ENGLEMANN UNIT

Oil · District 03 · Lease #13091

Operator: WESTERN PETROLEUM RESOURCES, INC

Fields: CALDWELL (AUSTIN CHALK)

Cum Oil

49k BBL

Cum Gas

201k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

2005-10

Production History

Cum Oil: 48,617 BBL Cum Gas: 201,211 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

428 BBL/mo

Di (annual)

92.4%

b-factor

0.7

EUR

14,411 BBL

R-squared

0.548

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 KOUATLI, AIMAN M. 62 mo

2019-11 — 2021-05 WESTERN PETROLEUM RESOURCES, INC 19 mo

2017-09 — 2019-10 MT ENERGY LLC 26 mo

2014-06 — 2017-08 TT OPERATING, LLC 39 mo

2012-09 — 2014-05 FROSTBRIDGE ENERGY, LLC 21 mo

2009-10 — 2012-08 FUTURE PETROLEUM COMPANY LLC 35 mo

2004-07 — 2009-09 FINLEY RESOURCES, INC. 63 mo

1993-02 — 2004-06 PARTNERS PRODUCTION, INC. 137 mo

1993-01 — 1993-01 BAY ROCK OPERATING COMPANY 1 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-051-30683	KOUATLI, AIMAN M.	1	9,000	1980-03-27