CLARK 15

Oil · District 7C · Lease #5299

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

204k BBL

Cum Gas

1.2M MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2007-10

Production History

Cum Oil: 204,226 BBL Cum Gas: 1,236,702 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,611 BBL/mo

Di (annual)

18.4%

b-factor

0.0

EUR

169,999 BBL

R-squared

0.861

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 49 mo
2017-03 — 2020-11 PARSLEY ENERGY OPERATIONS, LLC 45 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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TMDIAMONDBACK E&P LLC110,0002008-04-30
7TMDIAMONDBACK E&P LLC19,0002006-12-28
5TMDIAMONDBACK E&P LLC19,0002006-04-04
3TMDIAMONDBACK E&P LLC19,0002005-11-16
4TMDIAMONDBACK E&P LLC19,0002005-11-16
142-383-11192DIAMONDBACK E&P LLC------
242-383-11279DIAMONDBACK E&P LLC------