American Petroleum Institute

This paper presents the principles and approaches used in API RP 17N, and discusses what it is in general and why it was written. It also describes the status of its recent update.

The design of subsea equipment for pressures greater than 15,000 psi and temperatures more than 250°F is a substantial challenge. The current standard from the American Petroleum Institute (API), Specification 17D, for designing subsea equipment provides little guidance on conditions exceeding these measurements. This work has been performed to demonstrate the accepta…