WILLIAMS, ZACK E - A J SPARKMAN

Oil · District 06 · Lease #14483

Operator: O'BAR OPERATING CO., INC.

Cum Oil

2k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

2003-12 — 2006-03

Peak Month

2003-12

Production History

Cum Oil: 1,543 BBL Cum Gas: 7,580 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

150 BBL/mo

Di (annual)

93.9%

b-factor

0.0

EUR

1,901 BBL

R-squared

0.390

type

exponential

Operator History (from monthly production reports)

2003-12 — 2006-05 O'BAR OPERATING CO., INC. 30 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1O BAR OPERATING CO. INC.411,0752003-04-29