COFFEY, W. V.

Oil · District 02 · Lease #7251

Operator: WASHINGTON ENERGY EXPL., INC.

Fields: HEYSER (5700)

Cum Oil

9k BBL

Cum Gas

31k MCF

casinghead

Wells

1

Production

1993-01 — 1997-04

Peak Month

1993-10

Production History

Cum Oil: 9,101 BBL Cum Gas: 30,710 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

817 BBL/mo

Di (annual)

603.2%

b-factor

0.5

EUR

3,171 BBL

R-squared

0.671

type

hyperbolic

Operator History (from monthly production reports)

1997-02 — 1997-08 CENIZA PETROLEUM, INC. 7 mo

1996-03 — 1997-01 CABOT OIL & GAS CORPORATION 11 mo

1994-08 — 1996-02 CABOT OIL & GAS PRODUCTION CORP. 19 mo

1994-03 — 1994-07 WASHINGTON ENERGY EXPL., INC. 5 mo

1993-01 — 1994-02 SOUTH TEXAS LIMITED PARTNERSHIP 14 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-469-02531	FREDCO	4	5,750	2007-05-31