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2 013 532

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IPC

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Application

4939161/03, 1991-05-27

(22)

Actual filing date

1991-05-27

(45)

Published

1994-05-30

(72)

Inventor

Bernshtejn D.A.Rapin V.A.Chesnokov V.A.Evdokimov V.I.Dudin Ju.A.

(73)

Holder

Nauchno-Proizvodstvennaja Firma

ADAPTER FOR PASSING A LOGGING CABLE FROM THE STRING-BOREHOLE ANNULUS INTO THE DRILL STRING Russian patent published in 1994 - IPC

Abstract RU 2013532 C1

FIELD: geophysical exploration. SUBSTANCE: channel is made in the adapter body for delivering a geophysical instrument suspended on a cable into the string. The channel is made on a section of the adapter body surface in the form of longitudinal groove 5. The channel is connected to central through channel 9. Channel 8 is made in the adapter body between its internal surface and the groove to deliver the wash. A sealing assembly, containing metal washer 12, elastic plug 13 and a clamping nut 14, is placed in the center axial through hole. EFFECT: enlarged operating capabilities. 4 dwg

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RU 2 013 532 C1

Authors

Bernshtejn D.A.

Rapin V.A.

Chesnokov V.A.

Evdokimov V.I.

Dudin Ju.A.

Dates

1994-05-30—Published

1991-05-27—Filed

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