UNIVERSITY -26D-

Oil · District 7C · Lease #16170

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

33k BBL

Cum Gas

84k MCF

casinghead

Wells

2

Production

2007-03 — 2024-04

Peak Month

2008-07

Production History

Cum Oil: 32,673 BBL Cum Gas: 83,634 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

472 BBL/mo

Di (annual)

22.7%

b-factor

0.2

EUR

30,888 BBL

R-squared

0.856

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 DE CENTRAL OPERATING, LLC 17 mo
2024-01 — 2025-02 DE IV OPERATING, LLC 14 mo
2010-12 — 2023-12 APACHE CORPORATION 157 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
2007-03 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 9 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TMDE CENTRAL OPERATING LLC29,0002006-08-18
442-383-30465DE CENTRAL OPERATING LLC------