Remote operated actuator system for drill string internal...

Details Remote operated actuator system for drill string internal... Remote operated actuator system for drill string internal...

2006-11-21

2006-11-21

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Assembling well part

C166S085400, C166S363000, C175S195000

Reexamination Certificate

active

07137453

ABSTRACT:
An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member.

REFERENCES:
patent: 3661204 (1972-05-01), Blanding et al.
patent: 3792601 (1974-02-01), Dillingham et al.
patent: 4416340 (1983-11-01), Bailey
patent: 4423774 (1984-01-01), Mefford
patent: 4594030 (1986-06-01), Weigel, Jr.
patent: 5692418 (1997-12-01), Burner

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