Exterior wireline cable adapter sub

Details Exterior wireline cable adapter sub Exterior wireline cable adapter sub

1996-08-06

1998-07-14

Tsay, Frank

Wells

Processes

With indicating, testing, measuring or locating

166378, 166 66, E21B 4900

Patent

active

057789789

ABSTRACT:
A system for use in running and operating an electric wireline well tool in a well on coiled tubing includes tubular adapter and connector subs connected end-to-end between the lower end of the tubing and the upper end of the well tool. The armored electric cable extends down along the outside of the tubing, enters the adapter sub through a window in the side thereof, and is anchored within the connector sub where its conductors are electrically connected to the well tool. The tubing and wireline cable can be run into the well under pressure. A system for retrieving an electric wireline well tool using a retrieving tool on the lower end of coiled tubing also is disclosed.

REFERENCES:
patent: 4560000 (1985-12-01), Upchurch
patent: 4669537 (1987-06-01), Rumbaugh
patent: 4790378 (1988-12-01), Montgomery et al.
patent: 5044437 (1991-09-01), Wittrisch
patent: 5361839 (1994-11-01), Cox
patent: 5375659 (1994-12-01), Gilbert et al.
patent: 5495755 (1996-03-01), Moore

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