06600108 is referenced by 67 patents and cites 1 patents.

A cable includes an electrical conductor, a first insulating jacket disposed adjacent the electrical conductor and having a first relative permittivity, and a second insulating jacket disposed adjacent the first insulating jacket and having a second relative permittivity that is less than the first relative permittivity. A method includes providing an electrical conductor, extruding a first insulating jacket having a first relative permittivity over the electrical conductor, and extruding a second insulating jacket having a second relative permittivity over the electrical conductor, wherein the second relative permittivity is less than the first relative permittivity.

Title
Electric cable
Application Number
10/57553
Publication Number
6600108 (B1)
Application Date
January 25, 2002
Publication Date
July 29, 2003
Inventor
Willem A Wijnberg
Houston
TX, US
Sumit Sarkar
Houston
TX, US
Joseph P Varkey
Missouri City
TX, US
Ravicharan Mydur
Houston
TX, US
Agent
John J Ryberg
US
Brigitte L Jeffery
US
Wayne I Kanak
US
Assignee
Schlumberger Technology Corporation
TX, US
IPC
H01B 9/02
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