TXL "S" 35-4

Oil · District 08 · Lease #35743

Operator: SANDRIDGE EXPL. AND PROD., LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

148k BBL

Cum Gas

478k MCF

casinghead

Wells

3

Production

1998-04 — 2026-04

Peak Month

2016-02

Production History

Cum Oil: 147,557 BBL Cum Gas: 478,224 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,617 BBL/mo

Di (annual)

32.6%

b-factor

0.6

EUR

118,246 BBL

R-squared

0.435

type

hyperbolic

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

1998-04 — 2001-12 ARCO PERMIAN 45 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-329-39561	OVINTIV USA INC.	1	11,400	2014-09-15
5	42-329-36079	OVINTIV USA INC.	1	10,300	2008-10-10
4	42-329-34002	OVINTIV USA INC.	1	10,150	1998-01-14