UNIVERSITY "26"

Oil · District 7C · Lease #15419

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

75k BBL

Cum Gas

145k MCF

casinghead

Wells

8

Production

2003-03 — 2024-10

Peak Month

2006-05

Production History

Cum Oil: 75,018 BBL Cum Gas: 144,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,248 BBL/mo

Di (annual)

64.9%

b-factor

0.3

EUR

59,155 BBL

R-squared

0.761

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-03 DE CENTRAL OPERATING, LLC 13 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
2003-03 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 57 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12TMDE CENTRAL OPERATING LLC29,0002006-11-03
8TMDE CENTRAL OPERATING LLC29,0002006-08-18
10TMDE CENTRAL OPERATING LLC29,0002006-02-06
7TMDE CENTRAL OPERATING LLC29,0002005-12-15
142-383-30437TAMARACK PETROLEUM COMPANY INC.------
242-383-30438DE CENTRAL OPERATING LLC------
342-383-30451DE CENTRAL OPERATING LLC------
442-383-30465DE CENTRAL OPERATING LLC------