Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1986-11-26
1987-12-22
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405158, 405166, 405267, F16L 104, E02F 502
Patent
active
047143797
ABSTRACT:
A deep trench is excavated into a sea bottom. The trench is filled with a slurry, e.g. clay and water, to maintain trench integrity for a period of time. A pipeline is subsequently lowered to the trench bottom by either gravity settlement, jet down using water jets, or vibration.
REFERENCES:
patent: 1152326 (1915-08-01), Lewis
patent: 1220188 (1917-03-01), Chapman
patent: 3411307 (1968-11-01), Huitt et al.
patent: 3664142 (1972-05-01), Janz
patent: 4114390 (1978-09-01), Van Steveninck et al.
patent: 4329083 (1982-05-01), Parkinson
"Slurry Walls" by Petros P. Xanthakos, McGraw-Hill, Inc., 1979.
Shell Western E&P Inc.
Taylor Dennis L.
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