JOHNSON UNIT

Oil · District 8A · Lease #68582

Operator: HALVEY ENERGY, LLC

Cum Oil

10k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

2003-05 — 2007-04

Peak Month

2003-07

Production History

Cum Oil: 10,087 BBL Cum Gas: 1,503 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,677 BBL/mo

Di (annual)

626.0%

b-factor

0.6

EUR

7,697 BBL

R-squared

0.928

type

hyperbolic

Operator History (from monthly production reports)

2004-11 — 2008-02 HALVEY ENERGY, LLC 40 mo
2003-05 — 2004-10 HALVEY ENERGY CO. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HALVEY ENERGY LLC17,9002003-04-07