Slotted expandable centraliser

Details Slotted expandable centraliser Slotted expandable centraliser

2006-08-29

2006-08-29

Dang, Hoang (Department: 3672)

Wells

Guide for device or conduit

Surrounding existing device or tubing

C166S206000, C166S207000

Reexamination Certificate

active

07096939

ABSTRACT:
This invention relates to a slotted expandable centraliser. In preferred embodiments, the centraliser is adapted to be used in conjunction with slotted casing, and can expand with the casing when an expander cone is propelled through the casing.

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patent: 6896052 (2005-05-01), Simpson et al.
patent: 6899181 (2005-05-01), Simpson et al.
patent: 2002/0112853 (2002-08-01), Buytaert
patent: 2004/0173349 (2004-09-01), Pointing
patent: 03-006789 (2003-01-01), None

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