< leases

HOWELL, G.L.

Oil · District 7B · Lease #25214

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: KATZ (5100)

Cum Oil

157k BBL

Cum Gas

6k MCF

casinghead

Wells

4

Production

1993-01 — 2009-10

Peak Month

1999-03

Production History

Cum Oil: 156,980 BBL Cum Gas: 5,945 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,865 BBL/mo

Di (annual)

24.7%

b-factor

0.0

EUR

90,404 BBL

R-squared

0.824

type

exponential

Operator History (from monthly production reports)

2007-04 — 2010-02 APACHE CORPORATION 35 mo
2006-03 — 2007-03 KERR-MCGEE OIL & GAS ONSHORE LP 13 mo
2002-03 — 2006-02 WESTPORT OIL AND GAS COMPANY, LP 48 mo
1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo
1998-03 — 1998-08 CODA ENERGY, INC. 6 mo
1996-02 — 1998-02 ENERVEST OPERATING, L.L.C. 25 mo
1993-01 — 1996-01 CONOCO INC. 37 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
942-275-31898GREAT AMERICAN RESOURCES INC.25,2001992-08-27
1242-275-31988GREAT AMERICAN RESOURCES INC.15,5001991-03-07
842-269-31788GREAT AMERICAN RESOURCES INC.35,3001990-09-05
1142-269-31969GREAT AMERICAN RESOURCES INC.15,2001990-02-28