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1. (WO2013126194) EXPANDABLE CONICAL TUBING RUN THROUGH PRODUCTION TUBING AND INTO OPEN HOLE

Pub. No.:    WO/2013/126194    International Application No.:    PCT/US2013/023747
Publication Date: Fri Aug 30 01:59:59 CEST 2013 International Filing Date: Thu Jan 31 00:59:59 CET 2013
IPC: E21B 33/128
E21B 33/122
E21B 19/24
Applicants: HALLIBURTON ENERGY SERVICES, INC.
Inventors: FRIPP, Michael
GANO, John
BESSELINK, Peter
VAN MOORLEGHEM, Wilfried
Title: EXPANDABLE CONICAL TUBING RUN THROUGH PRODUCTION TUBING AND INTO OPEN HOLE
Abstract:
Disclosed is a downhole completion assembly for sealing and supporting an open hole section of a wellbore. One downhole completion system includes a first sealing structure having opposing first and second ends and being arranged within an open hole section of a wellbore, the first sealing structure being movable between a contracted configuration and an expanded configuration, and a second sealing structure having opposing first and second ends and being arranged proximate the first sealing structure within the wellbore, the second sealing structure also being movable between a contracted configuration and an expanded configuration, wherein, when in their respective expanded configurations, the first and second sealing structures are frustoconical in shape and the first end of the second sealing structure is at least partially nested within the second end of the first sealing structure.