Chamber isolator and sealing means for borehole perforating tool

Details Chamber isolator and sealing means for borehole perforating tool Chamber isolator and sealing means for borehole perforating tool

1976-02-26

1978-05-16

Novosad, Stephen J.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Concave-shaped charge

102 216, 102 24HC, 175 455, E21B 43117

Patent

active

040893812

ABSTRACT:
Improved end closures for shaped charge unit chambers in borehole perforating tools have flanged peripheral portions to be clamped in the threaded joint when sidewalls of adjacent chambers are threadedly joined. Also disclosed are sealing means for conductor wires passing through the end closures, which sealing means involves means for compressing and deforming the conductor insulation so that the conductors with their insulation sealingly occupy a predetermined space between surfaces of cooperating compressing and deforming means.

REFERENCES:
patent: 2655619 (1953-10-01), Neal
patent: 2662474 (1953-12-01), Turechek et al.
patent: 3010396 (1961-11-01), Coleman
patent: 3043379 (1962-07-01), Porter et al.
patent: 3327792 (1967-06-01), Boop
patent: 3528511 (1970-09-01), Boop et al.
patent: 3528512 (1970-09-01), Boop
patent: 3768408 (1973-10-01), Hallmark

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