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U.S. Department of Energy
Office of Scientific and Technical Information

Wireline set/tubing retrieve packer type bridge plug

Patent ·
OSTI ID:6680619
A retrievable well tool is described for use in well bores, the retrievable well tool comprising: a first mandrel having at least one shaped recess in one end thereof; a packer mandrel having a plurality of apertures therein, at least one lug extending inwardly therefrom to engage the shaped recess in the first mandrel and ratchet grooves on a portion thereof; a ratchet body having a portion thereof adapted to releasably engage the ratchet grooves on the packer mandrel, the ratchet body being disposed about the packer mandrel; a packer element disposed about the packer mandrel, the packer element adapted to releasably, resiliently engage the well bore; a packer mandrel case disposed about a portion of the packer mandrel; an upper wedge member disposed about the packer mandrel and having a frusto-conical surface on a portion of the exterior thereof; a lower wedge member disposed about a portion of the packer mandrel having a frusto-conical surface on a portion of the exterior thereof; and a plurality of slips disposed about a portion of the packer mandrel being axially located between the upper wedge member and the lower wedge member.
Assignee:
Halliburton Co., Duncan, OK
Patent Number(s):
US 4648446
OSTI ID:
6680619
Country of Publication:
United States
Language:
English