E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/71
E21B 17/10 (2006.01)
Patent
CA 1221625
BL-83-PA-US TITLE: WELL CONDUIT CENTRALIZER ABSTRACT OF THE DISCLOSURE A conduit centralizer comprises segmented, sliding means connected by a plurality of axially extending, outwardly bowed leaf springs. Each sliding means is formed by the hinged connection of a plurality of double walled segments. The ends of the leaf springs are respectively inserted within the double walled segments and welded to both the inner and outer walls of the segments, thus providing an extremely rigid structure which is fabricated without machining operations.
463202
Buruato Juventino
Muse John F.
Riddle Harry W.
Zeiler Frank S.
Baker Oil Tools Inc.
Borden Ladner Gervais Llp
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