Ge Oil & Gas UK Limited

Senthamil Selvan

Krishna Kant Agarwal

Richard Alasdair Clements

Ravindra Devi

Jonathan David Leyland

Bihari Lal

A flexible pipe body and method of producing a flexible pipe body are disclosed. The flexible pipe body includes a collapse resistant layer comprising a radially inner surface and a radially outer surface, the radially inner surface comprising, in cross section, a substantially flat portion and at least one cavity extending from the flat portion radially outwards, and the radially inner surface further comprising, in cross section, at least one aerodynamic feature extending from the flat portion for breaking up a boundary layer of fluid flowing along the flexible pipe body in use.

Flexible pipe body and method of providing same

A flexible pipe body and method of producing a flexible pipe body, the flexible pipe body including a collapse resistant layer comprising a radially inner surface and a radially outer surface, the radially inner surface comprising a plurality of substantially regular protrusions and/or depressions extending in a direction perpendicular to a tangent of the radially inner surface, for breaking up a boundary layer of fluid flowing along the flexible pipe body in use.

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Tamil Nadu, India

Senthamil Selvan