US 12,352,374 B2
End fittings for flexible pipe segments
James Cook, Houston, TX (US); James R. Soltau, Stephenville, TX (US); Cody Bedwell, Houston, TX (US); Corey Massey, Houston, TX (US); and Yaswanth Kasireddy, Houston, TX (US)
Assigned to FMC Technologies, Inc., Houston, TX (US)
Filed by FMC Technologies, Inc., Houston, TX (US)
Filed on Oct. 12, 2022, as Appl. No. 17/964,606.
Prior Publication US 2024/0125415 A1, Apr. 18, 2024
Int. Cl. F16L 33/18 (2006.01); F16L 33/01 (2006.01); F16L 33/28 (2006.01)
CPC F16L 33/18 (2013.01) [F16L 33/28 (2013.01); F16L 33/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pipe assembly for flowing a fluid, the pipe assembly comprising:
a flexible pipe segment; and
at least one end fitting, wherein a respective one of the at least one end fitting comprises:
an end casing permanently coupled to the flexible pipe segment, the end casing defining a removable seal housing-receiving bore extending longitudinally through the end casing,
a removable seal housing positioned within the removable seal housing-receiving bore and removably coupled to the end casing, wherein the removable seal housing defines at least one seal bore extending from an axially distal surface of the removable seal housing, and
one or more sealing elements seated in a respective one of the at least one seal bore;
wherein a respective one of the at least one end fitting is couplable to a counterpart fitting, wherein the removable seal housing and/or the one or more sealing elements are configured to define a sealing interface with the counterpart fitting;
a cannula situated proximally adjacent to the removable seal housing; and
a cannula ring positioned within the removable seal housing-receiving bore between the removable seal housing and the cannula.