Reduced J-tube riser pull force

Details Reduced J-tube riser pull force Reduced J-tube riser pull force

1987-09-25

1991-07-30

Page, Thurman

Coating processes

Interior of hollow article coating

Metal base

427230, 427235, 252 9, F16L 118, C10M11102, C10N 4000, F16N 1500

Patent

active

050359223

ABSTRACT:
A method is provided for reducing the force required to move a pipe through a J-tube attached to an offshore platform by coating the pipe with hydrophilic polymer and then moving the pipe through the J-tube, or by introducing a solution of hydrophilic polymer and water into the J-tube and then moving the pipe through the J-tube.

REFERENCES:
patent: 4039717 (1977-08-01), Titus
patent: 4098091 (1978-07-01), Desai et al.
patent: 4137623 (1979-02-01), Taylor
patent: 4169187 (1979-09-01), Glazar
patent: 4321308 (1982-03-01), Jannke
patent: 4373870 (1983-02-01), Sandgren et al.
patent: 4514443 (1985-04-01), Kostecki
patent: 4523877 (1985-06-01), Finn et al.
patent: 4526813 (1985-07-01), Wu
patent: 4556580 (1985-12-01), Kamuro et al.
Chemical Abstracts, 87(18); 136,943p, 1977.

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