Some recent experience is presented of the structural analysis of subsea completions subjected to bending loads. The paper looks at the stresses and internal loads induced near the mudline in the wellhead, conductor and casing and, in particular, the effect of cement shortfalls and different soil conditions are explored.

The insight obtained to structural performance by this type of analysis is shown to be invaluable and can lead to the design of more efficient structures. As a result, safety can be improved.

Keywords:
displacement, shortfall, drilling, extension joint, mudline, horizontal force, strength, stiffness, loading, riser
Subjects:
Pipelines, Flowlines and Risers, Risers
Copyright 1991, Society of Petroleum Engineers
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