HALFF -42-

Oil · District 7C · Lease #6967

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

56k BBL

Cum Gas

172k MCF

casinghead

Wells

6

Production

1993-01 — 2018-04

Peak Month

2006-02

Production History

Cum Oil: 56,239 BBL Cum Gas: 171,524 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

663 BBL/mo

Di (annual)

26.5%

b-factor

0.0

EUR

29,946 BBL

R-squared

0.813

type

exponential

Operator History (from monthly production reports)

2010-12 — 2021-08 APACHE CORPORATION 129 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6TMAPACHE CORPORATION19,0002006-01-11
5TMAPACHE CORPORATION19,0002005-11-16
8TMAPACHE CORPORATION19,0002005-11-16
142-383-30728APACHE CORPORATION------
242-383-30837APACHE CORPORATION------
342-383-30846APACHE CORPORATION------