ROCKER B -RR-

Oil · District 9 · Lease #6284

Operator: PARKER & PARSLEY DEVELOPMENT L.P

Cum Oil

31k BBL

Cum Gas

0 MCF

Wells

5

Production

1993-01 — 1997-09

Peak Month

1993-01

Production History

Cum Oil: 31,462 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,781 BBL/mo

Di (annual)

144.1%

b-factor

1.0

EUR

63,665 BBL

R-squared

0.847

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5GRAHAM ROYALTY, LTD.16,5751992-10-01
142-235-30222--------
242-235-30223--------
342-235-30224--------
442-235-30225--------
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