https://www.dnv.com/energy/standards-guidelines/dnv-rp-b204-welding-of-subsea-production-system-equipment/
DNV-RP-B204 Welding of subsea production system equipment
This recommended practice (RP) specifies the technical requirements for welding subsea equipment.
subsea production systemdnvrpweldingequipment
https://www.slb.com/videos/integrated-subsea-production-system
Integrated Subsea Production System | Video | SLB
Onesubsea Integrated Production System Overview
subsea production systemintegratedvideoslb