Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent
1990-11-05
1992-11-03
Reese, Randolph A.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
405157, 405172, F16L 100
Patent
active
051602180
ABSTRACT:
Pipelines are maintained in subterranean location by a plurality of weighting devices which include an elongate central raised region enclosing the pipeline and generally planar flanges extending outwardly from the central raised region in a common plane. Backfill overlaying the flanges provides an increased resistance to upward movement of the buried pipeline under the influence of an encompassing fluid medium or other force.
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NOVA Corporation of Alberta
Reese Randolph A.
Ricci John
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