TXL "S" 19-1

Oil · District 08 · Lease #35469

Operator: SANDRIDGE EXPL. AND PROD., LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

42k BBL

Cum Gas

77k MCF

casinghead

Wells

1

Production

1997-08 — 2011-01

Peak Month

1997-11

Production History

Cum Oil: 42,043 BBL Cum Gas: 76,838 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,543 BBL/mo

Di (annual)

59.8%

b-factor

0.3

EUR

43,961 BBL

R-squared

0.753

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-05 OVINTIV USA INC. 76 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 (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-329-33790	OVINTIV USA INC.	1	10,150	1997-06-25