New generation deepwater drilling rigs have increased the specifications for mechanical capacity of drilling riser, subsea BOP stack, wellhead connectors and wellheads. This paper describes an innovative approach to the development of a wellhead connector system that meets the challenges of these increased design capacities while maintaining compatibility to existing wellhead profile designs. Backward compatibility to existing wellhead designs is critical to rig owners to offer maximum flexibility to their customers and their drilling needs. The 18 3/4 inches wellhead connector described in this paper is rated for 15,000 psi service while maintaining enough reserve capacity to withstand maximum external bending and tension loads even under full pressure load.
Deepwater high-capacity collet connector
1999
4 Seiten
Aufsatz (Konferenz)
Englisch
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