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The Drilling Riser forms a single high-pressure barrier for containing well bore fluids and pressures between the subsea wellhead and the surface Blowout Preventer (BOP). Design pressure is typically in the 5,000 psi plus.
Below is a list of typical equipment to be supplied in the riser package:
When you specify the requirements to the bidders/contractors, you may provide the functional requirements for your drilling riser system to save cost.
Functional requirements of the dilling riser should be:
When studying or selecting Drilling Riser, you may want to refer to API-16Q and API-16F, and NACE specifications and as outlined in the list of specifications and design requirements. API-16F should govern for conventional weld-on drilling riser connectors. Conventional drilling connectors maybe of bolted flange, dog, or bayonet type connections. If heavy mud is in the hole, pressure test will be limited.
Riser collapse resistance should be considered and determined for the riser design using API-16Q and API-5C3.
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