Intra-perforating gun swivel

Details Intra-perforating gun swivel Intra-perforating gun swivel

1990-04-12

1991-07-23

Neuder, William P.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

With position orienting or indicating

175 46, 166297, E21B 43116

Patent

active

050335537

ABSTRACT:
A perforating gun, adapted to be disposed in a deviated borehole, includes an intra-gun swivel located between a first plurality of charges and a second plurality of charges of the perforating gun. The swivel includes a first housing, a second housing, and thrust and radial bearings disposed between the surfaces of the first and second housing for allowing the first housing to rotate with respect to the second housing and therefore the first plurality of charges to rotate with respect to the second plurality of charges of the perforating gun.

REFERENCES:
patent: 3530948 (1970-09-01), Garrett
patent: 4194577 (1980-03-01), Vann
patent: 4523649 (1985-06-01), Stout
patent: 4768597 (1988-09-01), Lavigne et al.

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