Insulated and/or concentric coiled tubing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 18, 2000
Grant Date -
N/A
app pub date -
Jan 27, 1997
filing date -
Jun 20, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
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