Permanent anchoring device

Details Permanent anchoring device Permanent anchoring device

2007-04-30

2010-02-23

Bagnell, David J (Department: 3676)

Wells

Packers or plugs

With expanding anchor

C166S387000

Reexamination Certificate

active

07665516

ABSTRACT:
An anchoring device to secure a packer assembly within a casing, including a frangible ring having a plurality of grips on an outer circumference, wherein a first end of the frangible ring includes a plurality of circumferentially spaced slots, and an expansion ring having a plurality of castellations configured to engage the slots of the first end of the frangible ring is disclosed. A method to secure a packer assembly in a casing, including engaging a plurality of arcuate segments of a segmented ring with a plurality of slots in a first end of a frangible ring, engaging a plurality of castellations of an expansion ring with the plurality of slots on a second end of the frangible ring, and moving the expansion ring in an axial direction towards the frangible ring and splitting the frangible ring into a plurality of slip segments, thereby radially extending the plurality of slip segments and segmented ring into the casing is also disclosed.

REFERENCES:
patent: 3526277 (1970-09-01), Scott
patent: 4526229 (1985-07-01), Dickerson
patent: 4753444 (1988-06-01), Jackson et al.
patent: 4852649 (1989-08-01), Young
patent: 5046557 (1991-09-01), Manderscheid
patent: 6164377 (2000-12-01), Roberts
patent: 2005/0189103 (2005-09-01), Roberts et al.
Canadian Office Action for related Application No. 2,629,591 dated Oct. 9, 2009 (2 pages).

Affiliated with

Also associated with

Rating

Permanent anchoring device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Permanent anchoring device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Permanent anchoring device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4208788