Method and apparatus for connecting submarine pipelines

Details Method and apparatus for connecting submarine pipelines Method and apparatus for connecting submarine pipelines

1976-04-19

1977-08-16

Shapiro, Jacob

61 69R, F16L 100

Patent

active

040417190

ABSTRACT:
A new and improved method and apparatus for transporting, laying and connecting flowlines to subsea structures, such as wellheads on the ocean bottom wherein a submersible marine propulsion apparatus is used to tow a buoyed flowline to its desired location and underwater flowline connectors are used to connect the flowline to a wellhead or the structure. During the transporting and laying of the line, the flowline is supported by a series of spaced adjustable buoys which support the flowline at a desired depth beneath the surface and which can be remotely actuated to lower the flowline to the ocean floor.

REFERENCES:
patent: 3434295 (1969-03-01), Manning
patent: 3566609 (1971-03-01), Smith
patent: 3795115 (1974-03-01), Bergquist et al.

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