Abstract: A high pressure hose for use within an umbilical includes a hose liner tube surrounded by a first reinforcement layer comprised substantially of ultra high molecular weight polyethylene fibers and a second reinforcement layer surrounding the first reinforcement layer. The second layer comprises at least 50% aramid fibers. The hose has an outer thermoplastic extruded hose jacket.
Type:
Grant
Filed:
June 13, 2012
Date of Patent:
June 7, 2016
Assignee:
OCEANEERING INTERNATIONAL SERVICES LIMITED
Inventors:
Fraser Hynd Thomson, Richard Henry Norton
Abstract: A high pressure hose for use within an umbilical includes a hose liner tube surrounded by a first reinforcement layer comprised substantially of ultra high molecular weight polyethylene fibres and a second reinforcement layer surrounding the first reinforcement layer. The second layer comprises at least 50% aramid fibres. The hose has an outer thermoplastic extruded hose jacket.
Type:
Application
Filed:
June 13, 2012
Publication date:
August 7, 2014
Applicant:
OCEANEERING INTERNATIONAL SERVICES LIMITED
Inventors:
Fraser Hynd Thomson, Richard Henry Norton
Abstract: An umbilical casing for an umbilical, for use in underwater drilling operations includes an inner thermoplastic polymer layer, an outer thermoplastic polymer layer and at least two fibre reinforcement layers between the inner and outer thermoplastic layers. The fibre reinforcement layers are contra helical with each including at least one group of fibre yarns laid helically along the outside of the inner thermoplastic layer. Each group of fibre yarns comprises a plurality of fibre yarns laid to run in side by side fashion along the outside of the inner thermoplastic layer. An umbilical including the casing and methods of manufacture are also provided.
Type:
Application
Filed:
June 13, 2012
Publication date:
July 24, 2014
Applicant:
OCEANEERING INTERNATIONAL SERVICES LIMITED