Well Clean up prior to completion

04 May 2006 At Nexen's Scott platform historically packer setting problems were
encountered in ca. 12,500ft production wells. The well clean up
programmes were enhanced, including motor, packer for inflow testing,
MFCT's, scrapers, Well patrollers, chemical trains at various depths.
The programme takes between 3-4 days, with complicated pit management.
Luckily we have CRI to dispose of fluids.
Completion problems have disappeared, but we're looking for other
operator experiences to possibly simplify the clean up operations.

Regards,
Eric Kipperman
Senior Drilling Engineer

Nexen Petroleum U.K. Limited
Scott House
Hareness Road
Altens Industrial Estate
Aberdeen
AB12 3LE
Tel. +44 (0) 1224 351205
Mob. +44 (0) 771 049 1694
Email: eric_kipperman@nexeninc.com

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