Hydraulic and earth engineering – Diving – Remote control
Patent
1991-07-25
1993-02-23
Taylor, Dennis L.
Hydraulic and earth engineering
Diving
Remote control
405173, 405158, 166338, F16L 104
Patent
active
051884836
ABSTRACT:
A clamp is disclosed which is capable of latching on to a buckle arrestor on a subsea pipeline which has been severed in the vicinity of the buckle arrestor. By severing the pipe in this location and utilizing the buckle arrestor to latch the clamp on to the pipe, a simple and reliable clamp is used. A method to recover such a subsea pipeline by severing the pipeline in the vicinity of the buckle arrestor and utilizing such a clamp is also disclosed.
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Second Generation Diverless Buckle Recovery Tools for Shell's 12" Bullwinkle Gas Pipeline Installation, F. Kopp and R. T. Gilchrist, Shell Development Company.
Esparza Joe O.
Kopp Frans
Long Thomas E.
Christensen Del S.
Shell Oil Company
Taylor Dennis L.
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