Lateral tensioning system for riser pipe

Details Lateral tensioning system for riser pipe Lateral tensioning system for riser pipe

1978-12-26

1980-11-04

Leppink, James A.

Wells

Processes

Producing the well

175 7, 166367, 114264, E21B 712

Patent

active

042314291

ABSTRACT:
A novel way of maintaining a riser in the approximate center of a moon pool of a drilling barge operating in a shallow water. A single hydropneumatic cylinder is used to support the riser from the barge laterally at four points using a series of cables, sheaves, and a load cell.

REFERENCES:
patent: 3163239 (1964-12-01), DeVries et al.
patent: 3313358 (1967-04-01), Postlewaite et al.
patent: 3465531 (1969-09-01), Burrus
patent: 3601187 (1971-08-01), Tidwell
patent: 3785511 (1974-01-01), Bonnamy et al.
patent: 3891038 (1975-06-01), Delestrade et al.
patent: 3999617 (1976-12-01), Ilfrey et al.

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