Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Reexamination Certificate
2006-04-12
2008-12-09
Nguyen, Chau N (Department: 2831)
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
C174S1060SC, C174S128100
Reexamination Certificate
active
07462781
ABSTRACT:
Disclosed are high strength wellbore electric cables, which are formed from a plurality of strength members. The strength members are formed from several stranded filament wires which may be encased within a jacket of polymeric material. The strength members may be used as a central strength member, or even layered around a central axially positioned component or strength member, to form a layer of strength members. Cables of the invention may be of any practical design, including monocables, coaxial cables, quadcables, heptacables, slickline cables, multi-line cables, etc., and have improved resistant to corrosion, torque balancing, and gas migration from a wellbore to the surface.
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Sridhar Garud
Varkey Joseph P.
Castano Jaime
Cate David
Flynn Michael
Nguyen Chau N
Schlumberger Technology Corporation
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