DENNY

Oil · District 7C · Lease #11506

Operator: QUICKSILVER RESOURCES INC.

Cum Oil

4k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1993-01 — 1998-07

Peak Month

1995-02

Production History

Cum Oil: 4,351 BBL Cum Gas: 1,708 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

120 BBL/mo

Di (annual)

59.3%

b-factor

0.2

EUR

2,970 BBL

R-squared

0.920

type

hyperbolic

Operator History (from monthly production reports)

2000-04 — 2001-10 QUICKSILVER RESOURCES INC. 19 mo
1993-01 — 2000-03 MSR EXPLORATION, INC. 87 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1QUICKSILVER RESOURCES INC.13,9501985-06-12