06015015 is referenced by 351 patents and cites 21 patents.

A coiled tubing composite comprising insulated coiled tubing, concentric coiled tubing and insulated concentric coil tubing, including structure with centralizers and providing an annulus for insulation. The invention includes a method for assembling concentric coiled tubing, with insulation, and apparatus in combination with the insulated coiled tubing composite for heat assisted production of hydrocarbons and minerals from a wellbore.

Title
Insulated and/or concentric coiled tubing
Application Number
8/564357
Publication Number
6015015
Application Date
January 27, 1997
Publication Date
January 18, 2000
Inventor
Peter J Pelensky
Calgary
CA
Graham Wilde
Calgary
CA
H Bernie Luft
Calgary
CA
Agent
Sue Z Butler & Binion L Shaper
Assignee
Nowsco Well Service
BJ Services Company U
IPC
E21B 23/08
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