Patent ID: 8714879

Claim:
A method of forming a field joint for a subsea pipeline, the method comprising: positioning an end of a first pipe adjacent an end the second pipe; welding said end of said first pipe to an end of said second pipe; wrapping a honeycomb wrap material around said exterior surfaces of said first and second pipes at said ends thereof so as to extend over the weld, said honeycomb wrap material having open spaces therein, said open spaces opening to an outer surface and to an inner surface of said honeycomb wrap material; and applying a coating material over an exterior surface of said first pipe and over an exterior surface of said second pipe and over the weld through the open spaces of said honeycomb wrap material such that said coating material is in sealing relationship therewith, said coating material having glass spheres therein, said coating material applied into the open spaces of said honeycomb wrap material through the outer surface thereof.