Method of towing a pipeline structure in a body of water and...

Details Method of towing a pipeline structure in a body of water and... Method of towing a pipeline structure in a body of water and...

B - Operations, Transporting

63

B

189/71, 114/46.6

B63B 21/66 (2006.01) B63B 1/16 (2006.01) B63G 8/42 (2006.01) F16L 1/16 (2006.01)

Patent

CA 1249182

ABSTRACT OF THE DISCLOSURE A pipeline structure is towed suspended between two tugs, the structure having weights attached at point along its length. In the static condition the combination of pipeline structure and weights has a positive submerged weight. But the structure and/or the weights have surfaces that generate hydrodynamic lift forces when the structure is towed along. The arrangement of the surfaces and the speed of tow are such that the submerged weight of the combination is reduced by at least 40 percent as compared with the static condition.

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