Drill Pipe Riser Installation Workover Control System

Project Description: Drill Pipe Riser Installation Workover Control System

Project Overview: Combination of skid packages for the control ofDrill Pipe Riser IWOCS System

Specs:

• (1) Purged Control Cabin
• (1) HPU & Open Sea Control Unit
• Design Pressure: 5,000 psi & 10,000 psi circuits
• (49) Function outlets
• (1) Tubing Hanger Control Unit
• Design Pressure: 5,000 psi & 10,000 psi circuits
• (24) Function outlets
• (1) Remote Client Station (HMI) and (1) Client Station at each Control Unit/Room
• (1) Remote ESD Station

Key Design Features:

• Proprietary actuated control valve for remote operation to all three positions of valve
• Separate pumps, accumulators, & controls for each circuit with redundant filtration
• Umbilical interconnect for Open Sea and Tubing Hanger via multi-quick connect (MQC) stations and quick connect fittings
• Electrical in-line receptacles for skid power and communication interface between skids
• Intrinsically safe protection and indirect entry enclosure design for all instrumentation, providing ease of maintenance and troubleshooting in the field
• Redundant processors and communication throughout control system
• Lifting frame certified to DNV 2.7-1
• IECEx Zone 1 IIB T3 Area Classification

Project Applicable Standards:

• API 17F
• API 17G
• ASME Boiler & Pressure Vessel Code (BPVC)
• DNV 2.7-1
• DNV 2.7-2
• IEC 60079
• IEC 61892