| 主权项 |
1. A spoolable pipe having a pipe wall comprising:
a composite material formed of at least a matrix material and a plurality of reinforcing fibers embedded within the matrix material, the composite material defines a continuous circumferential structure in a lateral plane which extends through the pipe wall, at least one first circumferential segment of the pipe wall in the lateral plane comprises a first local variation in construction of the composite material with a first fiber construction, the first local variation in construction provides a local variation in a property of the pipe, at least one circumferential segment extends between inner and outer surface of the pipe wall, and a portion within the at least one circumferential segment at a location intermediate inner and outer surfaces of the pipe wall defines a local variation in construction, and a location of the at least one first circumferential segment comprising the first local variation in construction extends in a spiral arrangement along a length of the pipe and is different from at least one second circumferential segment of the pipe wall with a second local variation in construction of the composite material, the second local variation in construction of the composite material has a different second fiber construction in the second circumferential segment, the variation in the property in the first circumferential segment provides for a service condition at the first circumferential segment. |
