API SPEC 17D: 2011 [paper]

API Spec 17D – Design and Operation of Subsea Production Systems – Subsea Wellhead and Tree Equipment, 2nd edition

Includes Errata 1 (2011), 2 (2012), 3 (2013), 4 (2013). 5 (2013). 6 (2015), 7 (2015), 8 (2019), and Addendum 1 (2015) and Addendum 2 (2019)

Provides specifications for subsea wellheads, mudline wellheads, drill-through mudline wellheads and both vertical and horizontal subsea trees. It specifies the associated tooling necessary to handle, test and install the equipment. It also specifies the areas of design, material, welding, quality control (including factory acceptance testing), marking, storing and shipping for both individual sub-assemblies (used to build complete subsea tree assemblies) and complete subsea tree assemblies.