Coil tubing string and downhole generator
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United States of America Patent
Stats
-
Feb 8, 1994
Grant Date -
N/A
app pub date -
Jul 23, 1992
filing date -
Jul 23, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A borehole system for operating a downhole generator suspended on a composite coiled tubing string. The coiled tubing has at least two separate longitudinal chambers to provide separate flow paths. A fluid is pumped from the surface through one flowpath to drive a downhole turbine powered generator for operating downhole systems. A second flowpath in the tubing is used to return fluids to the surface. The non-metal environment of the composite coiled tubing provides a non-magnetic environment in which to operate wellbore devices. Data is transmitted to the surface by way of a fiber optic conductor.
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Cited Art Landscape
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