Rotating diverter head

Details Rotating diverter head Rotating diverter head

2007-12-18

2007-12-18

Bagnell, David (Department: 3672)

Boring or penetrating the earth

With above-ground means for handling drilling fluid or cutting

C175S220000, C175S057000

Reexamination Certificate

active

10516489

ABSTRACT:
A rotating diverter head for use on a blow out preventer stack of an oil, gas or geothermal well. While providing for sealing and rotation of a drill pipe through the head, the head additional includes a flange on which the head is rotatable. The flange connects the head to the stack whereupon it can be rotated to align a return flow line before being locked in position.

REFERENCES:
patent: 4312404 (1982-01-01), Morrow
patent: 5305839 (1994-04-01), Kalsi et al.
patent: 5662181 (1997-09-01), Williams et al.
patent: 6230824 (2001-05-01), Peterman et al.

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