Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...
Patent
1992-04-03
1994-01-11
Melius, Terry Lee
Wells
Packers or plugs
Expanded by confined fluid from central chamber, pump or...
166192, E21B 33127
Patent
active
052772535
ABSTRACT:
A casing packer apparatus includes a mandrel having a mandrel exterior, a longitudinal mandrel bore defined therethrough, and a power port defined in the mandrel communicating the mandrel bore with the mandrel exterior. A packer element is concentrically received about the mandrel. An annular piston is concentrically received about the mandrel and has an annular differential pressure area defined thereon and communicated with the mandrel bore through the power port. The annular piston and packer element are operably associated so that the packer element is set by sliding motion of the piston in response to increased fluid pressure in the mandrel bore. Either a compression set packer element or an inflatable packer element may be utilized.
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Exhibit A--Drawing.
Exhibit B--Drawing.
Exhibit C--Brochure of Tam International of Houston, Texas.
Exhibit D--Halliburton Services Sales & Service Catalog No. 43, p. 2438 (1985).
Badalamenti Anthony M.
Duell Alan B.
Giroux Richard L.
Beavers Lucian W.
Duzan James R.
Halliburton Company
Melius Terry Lee
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