HALFMANN

Oil · District 08 · Lease #24135

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

43k BBL

Cum Gas

195k MCF

casinghead

Wells

3

Production

1993-01 — 2019-03

Peak Month

2013-10

Production History

Cum Oil: 42,689 BBL Cum Gas: 195,117 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,599 BBL/mo

Di (annual)

73.2%

b-factor

0.0

EUR

26,184 BBL

R-squared

0.820

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-04 PIONEER NATURAL RES. USA, INC. 63 mo
2017-03 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 47 mo
2010-12 — 2017-02 APACHE CORPORATION 75 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.18,3002013-06-18
2PIONEER NATURAL RES. USA INC.18,3002013-01-03
142-173-30381PIONEER NATURAL RES. USA INC.------