E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/00 (2006.01) E21B 17/02 (2006.01) E21B 19/22 (2006.01) E21B 23/14 (2006.01) E21B 33/072 (2006.01)
Patent
CA 2145130
Method of conveying a downhole tool by a coiled tubing unit into a wellbore having a wellhead, and in which the downhole tool is to be communicatively linked to surface equipment by way of an electrical and/or optical cable. The method includes providing a coiled tubing unit, providing a downhole tool that is attachable to the coiled tubing directly, or indirectly attachable to the tubing by way of a provided cablehead, attaching one end of the cable to surface equipment and attaching or routing one end of the cable to a cable connector that is in electrical and/or optical communication with the downhole tool, providing and installing a Y-connector to the wellhead of the wellbore, the Y-connector having a branch that sealingly accommodates the coiled tubing therethrough, and a branch that sealingly accommodates the cable therethrough. The method further includes tensioning the cable as the cable and the tubing are simultaneously conveyed into or out of the wellbore by way of respective branches of the Y-connector.
Haliburton Company
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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