TOM 4A

Oil · District 08 · Lease #26640

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

34k BBL

Cum Gas

85k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2003-01

Production History

Cum Oil: 33,571 BBL Cum Gas: 85,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

104 BBL/mo

Di (annual)

3.1%

b-factor

0.0

EUR

31,783 BBL

R-squared

0.325

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2022-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 27 mo
2010-12 — 2022-09 APACHE CORPORATION 142 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC18,8501981-02-17