WESTLAND

Oil · District 7C · Lease #6272

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

124k BBL

Cum Gas

1.3M MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 123,755 BBL Cum Gas: 1,299,797 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,469 BBL/mo

Di (annual)

62.9%

b-factor

0.6

EUR

60,495 BBL

R-squared

0.786

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 (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9PIONEER NATURAL RES. USA, INC.18,3002013-01-09
5TMPIONEER NATURAL RES. USA, INC.19,5002007-07-31
7TMPIONEER NATURAL RES. USA, INC.19,0002006-06-27
3TMPIONEER NATURAL RES. USA, INC.19,0002006-05-26
142-383-30323PIONEER NATURAL RES. USA, INC.------
242-383-30357PIONEER NATURAL RES. USA, INC.------