JURECEK "A"

Oil · District 08 · Lease #41383

Operator: ENERGEN RESOURCES CORPORATION

Cum Oil

30k BBL

Cum Gas

49k MCF

casinghead

Wells

1

Production

2010-08 — 2026-04

Peak Month

2010-09

Production History

Cum Oil: 29,563 BBL Cum Gas: 49,055 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

761 BBL/mo

Di (annual)

267.0%

b-factor

1.6

EUR

36,982 BBL

R-squared

0.623

type

hyperbolic

Operator History (from monthly production reports)

2024-03 — 2026-07 BLACK SWAN OPCO, LLC 29 mo
2019-02 — 2024-02 DIAMONDBACK E&P LLC 61 mo
2010-08 — 2019-01 ENERGEN RESOURCES CORPORATION 102 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BLACK SWAN OPCO, LLC411,0002010-06-21