Wells – Packers or plugs – With expanding anchor
Patent
1980-12-17
1984-07-03
Pate,, III:
Wells
Packers or plugs
With expanding anchor
166134, 166177, 166217, 277235R, E21B 33129
Patent
active
044573693
ABSTRACT:
A well packer for high pressure and temperature use having a tubular mandrel, upper and lower slip assemblies in spaced relation on the mandrel and a high temperature and pressure seal assembly including a plurality of annular elements of different elasticities mounted on the mandrel between the slip assemblies. The slip assemblies are arranged so that the lower slip assembly sets first and the upper slip assembly last while the upper slip assembly releases first and the lower slip assembly releases last when pulling the packer. The upper slip assembly includes a collet expander wedge and a support ring for holding the collet wedge expanded and releasing the collet wedge in running and pulling the packer. The packer is designed for temperatures at least as high as 600.degree. F. and pressures of at least 5000 psi.
REFERENCES:
patent: 2261564 (1941-11-01), Robichaux
patent: 2684119 (1954-07-01), Brown
patent: 2772740 (1956-12-01), Edwards
patent: 3142338 (1964-07-01), Brown
patent: 3374837 (1968-03-01), Page
patent: 3381752 (1968-05-01), Elliston
patent: 3464709 (1969-09-01), Furgason et al.
patent: 3631926 (1972-01-01), Young
patent: 3993128 (1976-11-01), Braddick
patent: 4156460 (1979-05-01), Crowe
patent: 4258926 (1981-03-01), Upton
patent: 4296806 (1981-10-01), Taylor
Garland H. Mathews
Otis Engineering Corporation
Pate, III:
LandOfFree
Packer for high temperature high pressure wells does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Packer for high temperature high pressure wells, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packer for high temperature high pressure wells will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1626226