< leases

TXL "S-40" 33-1

Oil · District 08 · Lease #35829

Operator: SANDRIDGE EXPL. AND PROD., LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

45k BBL

Cum Gas

90k MCF

casinghead

Wells

1

Production

1998-05 — 2018-03

Peak Month

1998-07

Production History

Cum Oil: 44,570 BBL Cum Gas: 90,415 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

819 BBL/mo

Di (annual)

24.7%

b-factor

0.1

EUR

44,180 BBL

R-squared

0.675

type

hyperbolic

Operator History (from monthly production reports)

2015-02 — 2019-04 ENCANA OIL & GAS(USA) INC. 51 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
1998-05 — 2001-12 ARCO PERMIAN 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-329-34007ENCANA OIL & GAS(USA) INC.110,1501998-01-22