Packer assembly having sequentially operated hydrostatic pistons for interventionless setting

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9863210
SERIAL NO

14409141

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A packer for use in a wellbore includes a packer mandrel. First and second pistons are slidably disposed about the packer mandrel defining first and second chambers therewith. An activation assembly initially prevents movement of the first piston. A release assembly initially prevents movement of the second piston. First and second seal assemblies are disposed about the packer mandrel such that actuation of the activation assembly allows a force generated by a pressure difference between the wellbore and the first chamber to shift the first piston in a first direction toward the first seal assembly to radially expand the first seal assembly and to actuate the release assembly and, actuation of the release assembly allows a force generated by a pressure difference between the wellbore and the second chamber to shift the second piston in the first direction toward the second seal assembly to radially expand the second seal assembly.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ezell, Michael Dale Carrollton, US 13 94
Mallory, Beauford Sean Sachse, US 3 13

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