Subsea Tieback


Nameplate Capacity

Keystone provided comprehensive automation support for multiple Host Facilities. Our team integrates third-party packaged subsea systems as part of a subsea tieback project, including subsea Master Control System (MCS), Subsea Leak Detection, MCC/VFD integration, corrosion monitoring, sand & pig detection, and MODU into the existing Host Facility Integrated Control and Safety System (ICSS).

Additionally, Keystone provided project management, interface coordination, integration, PLC/HMI programming, FAT/SIT testing, pre-commissioning, and start-up support. The deliverables included modified ICCS PLC programs, modified HMI application, revise/update Host Facility automation documentation, third-party integration, topsides FAT/SIT, and subsea FAT/SIT.

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