KNOX

Oil · District 09 · Lease #29380

Operator: WINDOW OPERATING CO., THE

Fields: GWE (CADDO CONGL.)

Cum Oil

5k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-09 — 2007-09

Peak Month

1997-09

Production History

Cum Oil: 4,557 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

110 BBL/mo

Di (annual)

32.5%

b-factor

0.0

EUR

4,027 BBL

R-squared

0.341

type

exponential

Operator History (from monthly production reports)

2011-01 — 2016-01 EXCEL OIL & GAS, INC. 61 mo

2010-02 — 2010-12 ROPA EXPLORATION CORP. 11 mo

2007-10 — 2010-01 RAVEN OPERATING GROUP, INC. 28 mo

2005-08 — 2007-09 WINDOW OPERATING CO., THE 26 mo

2001-02 — 2005-07 HANE OPERATING, INC. 54 mo

1997-09 — 2001-01 MOUNTAIN CREEK OIL COMPANY, INC. 41 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-337-33155	EXCEL OIL & GAS INC.	1	6,900	1997-06-13