< leases

MARLENA

Oil · District 7C · Lease #14774

Operator: SUMMIT PETROLEUM LLC

Fields: JOHNES (MIDDLE WLFC. DETRITAL)

Cum Oil

528k BBL

Cum Gas

2.2M MCF

casinghead

Wells

2

Production

1998-05 — 2023-07

Peak Month

2001-09

Production History

Cum Oil: 527,921 BBL Cum Gas: 2,226,457 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,715 BBL/mo

Di (annual)

158.1%

b-factor

0.6

EUR

205,680 BBL

R-squared

0.409

type

hyperbolic

Operator History (from monthly production reports)

2016-11 — 2025-11 SUMMIT PETROLEUM LLC 109 mo
2012-01 — 2016-10 SLEDGE, H. G., INC. 58 mo
2011-12 — 2011-12 GRACE PETROLEUM OPERATING, LLC 1 mo
2008-01 — 2011-11 GRACE PETROLEUM, L.P. 47 mo
2005-01 — 2007-12 ENCANA OIL & GAS(USA) INC. 36 mo
2003-08 — 2004-12 BROWN, TOM INC. 17 mo
1998-05 — 2003-07 MATADOR OPERATING COMPANY 63 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-461-33951SUMMIT PETROLEUM LLC29,2502000-07-21
142-461-33924SUMMIT PETROLEUM LLC29,5001998-05-18