VASTAR/SUTTON UNIT

Oil · District 03 · Lease #23600

Operator: WALTER OIL & GAS CORPORATION

Cum Oil

22k BBL

Cum Gas

159k MCF

casinghead

Wells

1

Production

1998-09 — 2002-06

Peak Month

2000-05

Production History

Cum Oil: 22,381 BBL Cum Gas: 159,341 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,448 BBL/mo

Di (annual)

351.7%

b-factor

0.0

EUR

4,973 BBL

R-squared

0.411

type

exponential

Operator History (from monthly production reports)

2014-10 — 2026-07 GREAT NORTHERN ENERGY, INC 142 mo
2009-07 — 2014-09 ROCKWELL ENERGY, LLC 63 mo
2008-05 — 2009-06 PROEX ENERGY MANAGEMENT, L.L.C. 14 mo
2005-05 — 2008-04 ROCKWELL ENERGY, LLC 36 mo
2000-12 — 2005-04 CLAY EXPLORATION, INC. 53 mo
1998-09 — 2000-11 WALTER OIL & GAS CORPORATION 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GREAT NORTHERN ENERGY INC19,2001998-07-24