Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Reexamination Certificate
2011-07-05
2011-07-05
Wright, Giovanna C (Department: 3672)
Wells
Packers or plugs
Central support has shoulders expanding sealing portion, or...
C166S387000, C277S339000
Reexamination Certificate
active
07971640
ABSTRACT:
The invention refers to a device for sealing an annular space formed between an outer cylindrical element (4) having an end closure (16) and an inner pipe (1) extending within the outer element and having a free end. The invention incorporates a packer element (2) being slidably disposed around said pipe (1), an actuation element (6) adapted for telescopic assembly around the outer surface of the pipe (1) and slidable from a first position to a second position, a conical ring (12) adapted for installation on the pipe (1), where the actuation element (6) comprises an abutment element (10) designed for abutment against said packer (2), and an actuation pipe (8) extending beyond the pipe (1) first end when the actuation element (6) is in said first position. The invention also refers to a method for sealing the annular space.
REFERENCES:
patent: 747321 (1903-12-01), Heeter et al.
patent: 859060 (1907-07-01), Heeter
patent: 925906 (1909-06-01), Heeter
patent: 1037850 (1912-09-01), Baker
patent: 1535141 (1925-04-01), Wade
patent: 1734884 (1929-11-01), Simpson
patent: 1749033 (1930-03-01), Fisher
patent: 1840379 (1932-01-01), Wrighter
patent: 2925015 (1933-08-01), Wells
patent: 2246881 (1941-06-01), Fisher
patent: 3236531 (1966-02-01), McConnell
patent: 3385367 (1968-05-01), Kollsman
patent: 3437142 (1969-04-01), Conover
patent: 4403660 (1983-09-01), Coone
patent: 5201369 (1993-04-01), Berzin et al.
patent: 5743333 (1998-04-01), Willauer et al.
patent: 7552768 (2009-06-01), O'Brien
patent: 0460993 (1991-11-01), None
Search report for Norwegian application No. PCT/NO2006/000091.
Written opinion for Norwegian application No. PCT/NO2006/000091.
International Preliminary Report on Patentability for Norwegian application No. PCT/NO2006/000091.
UK Examination Report issued Oct. 26, 2009, for UK Patent Application serial No. GB0718238.9, 3 pages.
UK Examination Report issued Mar. 31, 2010, for UK Patent Application serial No. GB0718238.9, 2 pages.
AU Examination Report issued Jun. 3, 2010, for AU Patent Application serial No. 2006223760, 2 pages.
Search and Examination Report issued May 30, 2010 for Gulf Cooperation Council Application No. GCC/P/2006/5946, 8 pages.
Halliburton Energy Service,s Inc.
Smith Marlin R.
Wright Giovanna C
LandOfFree
Method and device for setting a bottom packer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for setting a bottom packer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for setting a bottom packer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2643266