SYSTEM FOR COATING TUBING ENCAPSULATED CABLE FOR INSERTION INTO COIL TUBING
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Dec 9, 2014
filing date -
Dec 13, 2013
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Abstract
Tubing encapsulated cable consists of one or more electrical conductors and possibly one or more fiber optic cables sheathed in a corrosion resistant metallic alloy. However, pumping during the installation of tubing encapsulated cable is required to overcome the capstan effect of the tubing encapsulated cable inside the coil tubing as the tubing encapsulated cable travels through the coiled up wraps of coil tubing. One way to overcome the capstan effect is to reduce the contact between the coil tubing and the tubing encapsulated cable by installing standoffs along the length of the tubing encapsulated cable. Other additional friction between inner surface of the coil tubing and the tubing encapsulated cable that occurs during the installation of the tubing encapsulated cable and the inner surface of the coil tubing may be reduced by adding standoffs along the length of the coil tubing. In some instances the standoffs may be dissolvable so that the standoffs do not impede fluid flow through the interior of the coil tubing during intervention work.
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