NIEHUES "A"

Oil · District 08 · Lease #24660

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

87k BBL

Cum Gas

586k MCF

casinghead

Wells

5

Production

1993-01 — 2023-11

Peak Month

2013-07

Production History

Cum Oil: 86,617 BBL Cum Gas: 585,680 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

674 BBL/mo

Di (annual)

29.7%

b-factor

0.2

EUR

33,916 BBL

R-squared

0.493

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 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 (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA INC.18,3002013-02-06
4TMPIONEER NATURAL RES. USA INC.18,3502007-04-19
3TMPIONEER NATURAL RES. USA INC.19,0002006-01-13
142-173-30467PIONEER NATURAL RES. USA INC.------
242-173-30471PIONEER NATURAL RES. USA INC.------