Apparatus for digging a trench under a pipeline laid on the water bottom, which apparatus is provided with two excavator wheels placed next to each other on the opposite side of the pipeline, which encloses a sharp corner.
NL7614414A
Anchorage esp. for offshore platform - consists of piles through guides with chamber giving access for welder
GR62015B
Structure including at least one fully submersible hollow body
NL7610277A
Structure with fully immersed hollow body - has upwards extending open tube to prevent collapse at working depth
NL161105B
Vessel for executive performance work.
US3664142A
Method of burying an object in the soil
GB1348487A
Method of and apparatus for burying sub-sea pipelines
GB1286522A
Method of burying an object in the soil
GB1286521A
Method of burying sub-sea pipelines, cables and the like
GB1237357A
A method and apparatus to effect a connection with an object at the sea floor
US3547067A
Device for raising an anchor
GB1220689A
Method and apparatus for the construction of an offshore platform
