E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/51.4
E21B 17/01 (2006.01) E21B 17/08 (2006.01) F16L 39/00 (2006.01)
Patent
CA 1207658
MARINE RISER COUPLING ASSEMBLY ABSTRACT OF THE DISCLOSURE A marine riser coupling assembly comprised of a pair of flanged couplings (14, 16). A pin insert (36) is retained (44, 54) within tubular portions (22, 24) of the couplings. The insert has multiple outside diameters (50, 50), and seals (66, 74) on each.
445128
Beitler Brad D.
Haeber John A.
Kukuchek George S.
Rains John K.
Smart & Biggar
Vetco Offshore Inc.
LandOfFree
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