The riser portion extends (as a minimum) from the first above-water valve or isolation flange to a point five pipe diameters beyond the bottom elbow, based on codes. The design engineer must select ...

Similar to pipelines or flowlines ... Ideal for ultra-deepwater environments, this riser design incorporates a steel column tower that reaches almost to the surface of the water, and this tower ...

The first application was used in drilling as a 15,000 psi Kill and Choke line. Since then, flexible pipe designs have improved to produce the flowlines and risers that are now used in the offshore ...