An apparatus including: a tubular suction pile; an indenter housing that surrounds the tubular suction pile, wherein the indenter housing is configured to: (a) be sunk into a seabed in response to a negative pressure created from water being removed from the tubular suction pile, and the indenter housing is configured to create a trench in the seabed; and comprise a water jetting device, within the indenter housing, that includes a first valve, a nozzle, and a channel that connects the first valve to the nozzle; and/or (b) impart a longitudinal vibration to the indenter housing and the indenter housing is configured to be sunk into a seabed in response to longitudinal vibration, and the indenter housing is configured to create a trench in the seabed.
Pipeline burial in offshore and arctic offshore regions
2016-07-12
Patent
Electronic Resource
English
Government regulations for offshore pipeline burial vary by design
Tema Archive | 1980
|Feasibility of an arctic offshore LNG pipeline system
Tema Archive | 1987
|Oil spill risks assessed for offshore arctic pipeline
Tema Archive | 2004
|Reliability of Arctic Offshore Installations
British Library Conference Proceedings | 2006
|