HULL

Oil · District 09 · Lease #20526

Operator: V S OIL COMPANY

Cum Oil

11k BBL

Cum Gas

137 MCF

casinghead

Wells

5

Production

1993-01 — 2011-01

Peak Month

1995-12

Production History

Cum Oil: 10,514 BBL Cum Gas: 137 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

151 BBL/mo

Di (annual)

25.2%

b-factor

0.0

EUR

7,143 BBL

R-squared

0.638

type

exponential

Operator History (from monthly production reports)

2012-01 — 2026-07 STIFF AND WHISNAND OIL, LLC 175 mo
2010-02 — 2011-12 ADVANTAGE OIL COMPANY 23 mo
2008-01 — 2010-01 V S OIL COMPANY 25 mo
2004-06 — 2007-12 RED RIVER EXPLORATION, INC. 43 mo
2002-12 — 2004-05 HENDERSON, SAM W. 18 mo
1993-01 — 2002-11 SPANGLER, ROY 119 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4STIFF AND WHISNAND OIL LLC11,6501981-01-26
5STIFF AND WHISNAND OIL LLC11,6501981-01-26
3STIFF AND WHISNAND OIL LLC11,6501980-09-26
2STIFF AND WHISNAND OIL LLC11,6501980-08-22
1STIFF AND WHISNAND OIL LLC11,6501980-06-03