E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/51.4
E21B 33/038 (2006.01) B63B 1/32 (2006.01) B63B 35/44 (2006.01) E21B 17/01 (2006.01)
Patent
CA 1186214
ABSTRACT OF THE DISCLOSURE A fairing for elongated elements is disclosed for reducing current- induced stresses on the elongated element. The fairing is made as a stream- lined shaped body that has a nose portion in which the elongated element is accommodated and a tail portion. The body has bearing means connected to it to provide bearing engagement with the elongated element. A means interconnected with the bearings means accommodates variations in the outer surface of the elongated element to maintain the fairing's longitudinal axis substantially parallel to the longitudinal axis of the elongated element as the fairing rotates around the elongated element. The fairing is particularly adapted for mounting on a marine drilling riser having flotation modules.
406005
Gardner Terry N.
Greer Matthew N.
Ortloff John E.
Borden Ladner Gervais Llp
Exxon Production Research Company
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