The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 2017
Filed:
Jul. 12, 2013
Applicant:
GE Oil & Gas Uk Limited, Nailsea, Bristol, GB;
Inventors:
Richard Alasdair Clements, Durham, GB;
Krishna Kant Agarwal, Rajasthan, IN;
Ravindra Devi, Bangalore, IN;
Jonathan David Leyland, Gateshead, GB;
Senthamil Selvan, Tamil Nadu, IN;
Assignee:
GE Oil & Gas UK Limited, Nailsea, Bristol, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 11/15 (2006.01); F16L 11/08 (2006.01); E21B 17/01 (2006.01); B31B 19/26 (2006.01);
U.S. Cl.
CPC ...
F16L 11/15 (2013.01); B31B 19/26 (2013.01); E21B 17/015 (2013.01); F16L 11/083 (2013.01);
Abstract
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.