WINDHAM "2"

Oil · District 08 · Lease #35482

Operator: SANDRIDGE EXPL. AND PROD., LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

197k BBL

Cum Gas

654k MCF

casinghead

Wells

5

Production

1997-08 — 2026-04

Peak Month

2012-12

Production History

Cum Oil: 197,441 BBL Cum Gas: 653,551 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,421 BBL/mo

Di (annual)

9.7%

b-factor

0.0

EUR

174,196 BBL

R-squared

0.414

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo

2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2010-10 — 2013-12 ATHLON ENERGY OPERATING LLC 39 mo

2010-01 — 2010-09 SANDRIDGE EXPL. AND PROD., LLC 9 mo

2003-08 — 2009-12 FOREST OIL CORPORATION 77 mo

2003-07 — 2003-07 OXY USA WTP LP 1 mo

2002-01 — 2003-06 BP AMERICA PRODUCTION COMPANY 18 mo

1997-08 — 2001-12 ARCO PERMIAN 53 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-329-37472	OVINTIV USA INC.	3	12,500	2013-06-05
5	42-329-36477	OVINTIV USA INC.	1	10,300	2010-01-20
2	42-329-33778	OVINTIV USA INC.	2	10,150	1998-06-24
1	42-329-33779	OVINTIV USA INC.	1	10,150	1997-06-10
3	42-329-33777	OVINTIV USA INC.	1	10,150	1997-06-10