Cable transfer sub for drill pipe and method

Details Cable transfer sub for drill pipe and method Cable transfer sub for drill pipe and method

1980-08-25

1983-01-11

Purser, Ernest R.

Wells

Processes

Assembling well part

166 66, 174 47, 339 94R, E21B 4700

Patent

active

043677975

ABSTRACT:
A sub for connection into a drill string which has a cable extending along the outside of the string to the location of the sub and then extending downwardly within the string beyond the sub. The sub includes two members which are connectable to upper and lower portions of the drill string and are detachably connectable to one another, preferably by a surrounding threaded sleeve, with the cable extending between the two members in sealed relation from the exterior of the first member to the interior of the second.

REFERENCES:
patent: 2232360 (1941-02-01), Barnett
patent: 2690713 (1954-10-01), Urmann et al.
patent: 3170137 (1965-02-01), Brandt
patent: 3181629 (1965-05-01), Birman
patent: 3196948 (1965-07-01), Dye
patent: 3253245 (1966-05-01), Brandt
patent: 3322196 (1967-05-01), Bodine, Jr.
patent: 3342267 (1967-09-01), Cotter et al.
patent: 3372762 (1968-03-01), Cullen et al.
patent: 3731742 (1973-05-01), Sizer et al.
patent: 4062551 (1977-12-01), Base

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