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

Inflatable well packer

Patent ·
OSTI ID:6544905
This patent describes an inflatable type packer for sealing across downhole conduits comprising: a pair of rigid tubular packer heads; an inflatable tubular packer body disposed between the packer heads and coaxially interconnecting the packer heads; a rigid tubular mandrel having one end rigidly secured within one of the packer heads, extending coaxially through the packer body and into the other of the packer heads; and a tubular bladder having a central section disposed generally coaxially between the packer body and the mandrel; the packer having a fully assembled but deflated configuration wherein the central section of the bladder is folded upon itself.
Assignee:
TAM International, Inc., Houston, TX
Patent Number(s):
US 4768590
OSTI ID:
6544905
Country of Publication:
United States
Language:
English

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