Geometrical instruments
Patent
1977-12-02
1978-08-08
McGlynn, Joseph H.
Geometrical instruments
339 94R, H01R 304
Patent
active
041052790
ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a hollow mandrel mounted in a production string has an eccentrically disposed, lateral recess adapted to receive a measuring instrument. A plug-in contact assembly is located at the lower end of the recess and is connected to an electric cable which is fixed to the outside of the production string. The measuring instrument includes a receptacle assembly on its lower end which is fitted onto the contact assembly during emplacement of the instrument in the recess, thereby to provide in combination with the cable an insulated electric connection between the measuring instrument and the surface. The measuring instrument can be placed into, or removed from, the recess as desired, for example by means of conventional running and pulling tools that are lowered into the production string at the end of a wireline.
REFERENCES:
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patent: 3378811 (1968-04-01), Cullen et al.
patent: 3398392 (1968-08-01), Henderson
patent: 3491326 (1970-01-01), Pfister et al.
patent: 3604964 (1971-09-01), Conrad et al.
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patent: 3729699 (1973-04-01), Briggs et al.
patent: 3736548 (1973-05-01), Double
patent: 3753206 (1973-08-01), Busuttil et al.
Glotin Bernard J. P.
Guimard Andre J.
McGlynn Joseph H.
Moseley David L.
Roney Edward M.
Schlumberger Technology Corporation
Sherman William R.
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