Grouted closure assembly

Details Grouted closure assembly Grouted closure assembly

1987-10-30

1989-02-14

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflatable

138 89, 138 97, 405205, 405232, F16L 5510, E02D 2302

Patent

active

048040185

ABSTRACT:
A closure assembly is lowered into the leg of an offshore jacket. Its alignment within the jacket is maintained by a series of centralizers on its outer periphery surface. A grout packer surrounding the closure assembly seals between this assembly and the inside surface of the jacket. Afterwhich grout, or some other sealant, is pumped into the annulus above the grout packer, when cured, rigidly forms a plug within the jacket leg.

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patent: 3106735 (1963-10-01), Landrum et al.
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patent: 3483895 (1969-12-01), Barto
patent: 3496588 (1970-02-01), ver Nooy
patent: 3568721 (1971-03-01), Ross et al.
patent: 3762446 (1973-10-01), Tungseth et al.
patent: 4044798 (1977-08-01), Feldstein et al.
patent: 4114654 (1978-09-01), Richardson

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