WEATHERBY -A-

Oil · District 7C · Lease #6305

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

210k BBL

Cum Gas

881k MCF

casinghead

Wells

9

Production

1993-01 — 2017-01

Peak Month

2006-07

Production History

Cum Oil: 209,813 BBL Cum Gas: 880,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,250 BBL/mo

Di (annual)

18.3%

b-factor

0.0

EUR

147,372 BBL

R-squared

0.721

type

exponential

Operator History (from monthly production reports)

2017-02 — 2018-03 PERMIAN RESOURCES, LLC 14 mo
2010-12 — 2017-01 APACHE CORPORATION 74 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10TMPERMIAN RESOURCES LLC19,0002006-05-04
7TMPERMIAN RESOURCES LLC19,0002006-03-30
8TMPERMIAN RESOURCES LLC19,0002006-03-30
6TMPERMIAN RESOURCES LLC19,0002005-11-03
5PERMIAN RESOURCES LLC18,5002003-01-02
142-383-30343PERMIAN RESOURCES LLC------
242-383-30384PERMIAN RESOURCES LLC------
342-383-30383PERMIAN RESOURCES LLC------
442-383-30385PERMIAN RESOURCES LLC------