PLEMPER-WALSH UNIT

Oil · District 03 · Lease #12553

Operator: WESTERN PETROLEUM RESOURCES, INC

Fields: CALDWELL (AUSTIN CHALK)

Cum Oil

19k BBL

Cum Gas

106k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

2010-08

Production History

Cum Oil: 18,954 BBL Cum Gas: 106,400 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

292 BBL/mo

Di (annual)

52.0%

b-factor

0.3

EUR

9,429 BBL

R-squared

0.661

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

1993-01 — 2004-06 PARTNERS PRODUCTION, INC. 138 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-051-30467	KOUATLI, AIMAN M.	1	9,000	1979-10-11