Pipe joints or couplings – Serial,relatively movable portions – Having telescoping portion
Patent
1985-07-24
1987-04-28
Scanlan, Jr., Richard J.
Pipe joints or couplings
Serial,relatively movable portions
Having telescoping portion
285910, 285397, 277236, 166207, 294 8632, 294 863, F16L 2500
Patent
active
046608630
ABSTRACT:
A casing patch for providing a connection between two casing sections which comprise a body means adapted to fit over an existing casing in a well bore and guide the patch into place, a slip means actuated by upward movement of the second casing section to tightly connect the two casing sections, and a seal means also actuated by upward movement of the second casing section for sealing the connection to pressure of fluids, under conditions of high pressure and temperature. The seal comprises a lead ring inside the casing patch surrounding the existing casing and a cylindrical seal arranged below the lead ring and having a central section of a deformable material and two end sections of wire mesh.
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Bailey Thomas F.
Shah Nehal M.
A-Z International Tool Company
Fischetti Joseph A.
Scanlan, Jr. Richard J.
Sutherland Malcolm L.
Zarins Edgar A.
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