Hook-wall packer:

The friction springs prevent the slips from turning with the pipe and assist in advancing the slips up a tapered sleeve to engage the wail of the outside pipe as weight is put on the packer.

Also called a wall-hook packer.

See packer.

Terms Related to Hook-wall packer

• Drag blocks

  Spring-loaded buttons on a packer that provide friction with casing to retard movement of one section of a packer while another section rotates for setting.

• Packer squeeze method

  A squeeze cementing method in which a packer is set to form a seal between the working string (the pipe down which cement is pumped) ...

• Tubing anchor

  A device that holds the lower end of a tubing string in place by means of slips, used to prevent tubing movement when no packer ...

• Packer fluid

  A liquid, usually salt water or oil, but sometimes mud, used in a well when a packer is between the tubing and the casing. Packer ...

• Tubing tester

  A mechanically operated (tubing rotation) valve u used to shut off formation pressure above a packer, thus testing all connections form the packer to the ...

• Production packer

  Any packer designed to make a seal between the tubing and the casing during production

• Hydro-trip pressure sub

  A sub with a ball seat run on top of a hydraulically set packer to set the packer.