HARRIS-JOHNSON

Oil · District 03 · Lease #19955

Operator: WESTCO PRODUCING COMPANY

Fields: MADISONVILLE (WOODBINE)

Cum Oil

4k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1993-01 — 2007-08

Peak Month

1993-01

Production History

Cum Oil: 3,798 BBL Cum Gas: 28,284 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

152 BBL/mo

Di (annual)

217.6%

b-factor

0.0

EUR

836 BBL

R-squared

0.475

type

exponential

Operator History (from monthly production reports)

2006-05 — 2009-10 CRIMSON EXPLORATION OPER., INC. 42 mo

2005-10 — 2006-04 CRIMSON EXPLORATION INC. 7 mo

1998-09 — 2005-09 SETEX OIL AND GAS COMPANY 85 mo

1997-09 — 1998-08 WESTCO OIL COMPANY 12 mo

1995-08 — 1997-08 WESTCO PRODUCING COMPANY 25 mo

1993-09 — 1995-07 SIKES OPERATING, INC. 23 mo

1993-01 — 1993-08 SONAT EXPLORATION COMPANY -TYLER 8 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-313-30429	MARSHALL EXPL. INC.	5	10,100	2006-07-17