BARRETT, W. J., ESTATE

Oil · District 03 · Lease #4907

Operator: WMJ INVESTMENTS CORP.

Cum Oil

41k BBL

Cum Gas

58k MCF

casinghead

Wells

2

Production

1993-01 — 2002-08

Peak Month

1994-04

Production History

Cum Oil: 41,025 BBL Cum Gas: 58,079 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,613 BBL/mo

Di (annual)

88.7%

b-factor

0.0

EUR

21,813 BBL

R-squared

0.751

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 HUGHES OIL OPERATING, LLC 3 mo
2008-09 — 2026-04 CRAWFORD HUGHES OPERATING CO. 212 mo
2006-06 — 2008-08 CRAWFORD ENERGY OPERATING CO 27 mo
2004-01 — 2006-05 HEMCO DEVELOPMENT, LLC 29 mo
2002-04 — 2003-12 HEISEY VENTURES, INC. 21 mo
2000-09 — 2002-03 WMJ INVESTMENTS CORP. 19 mo
1997-03 — 2000-08 MJ OIL, INC. 42 mo
1994-04 — 1997-02 TRANSOIL, INC. 35 mo
1993-01 — 1994-03 GRIMES ENERGY COMPANY 15 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEISEY VENTURES, INC.39,0152013-02-26
342-291-02402HUGHES OIL OPERATING LLC------