6.28 Offshore and Pipeline Control and Instrument System Design Report

7/28/2019 6.28 Offshore and Pipeline Control and Instrument System Design Report

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KCP-GNS-INC-DRP-0001

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Project Title: Kingsnorth Carbon Capture & Storage Project Page 1 of 8

Document Title: Offshore & Pipeline Control & Instrument System Design Report

Kingsnorth CCS Demonstrat ion Project

The information contained in this document (the Information) is provided in good faith.

E.ON UK plc, i ts subcontractors, subsidiaries, aff i l iates, employees, advisers, and the Department of Energy and Climate Change (DECC)make no representat ion or warranty as to the accuracy, rel iabil i ty or completeness of the Information and neither E.ON UK plc nor any of i tssubcontractors, subsidiaries, aff i liates, employees, advisers or DECC shall have any l iabil i ty whatsoever for any direct or i ndirect losshowsoever arising from the use of the Information by any party.

Offshore & Pipeline Control & Instrument System Design Report

Table of Contents1. Scope And Functional Requirements 21.1. Scope of Document 21.2. Pipeline & Offshore Facility 21.3. Definitions 31.4. Offshore Platform Description 31.5. Abbreviations 32. General Requirements 42.1. Control & Instruments 42.2. Minimal Intervention 42.3. Design Life 43. Control & Instrument System Design 53.1. Distributed Control System 53.2. Safety Instrumented System 53.3. Fire & Gas System 53.4. Telecommunications & Information Systems 53.5. Packaged Unit Control Equipment 63.6. Metering System 63.7. Leak Detection System (Pipeline Integrity) 63.8. Offshore Wellhead Control Panel 63.9. Offshore Hydraulic Power unit 63.10. Field Instrumentation 64. Mandatory References 74.1. UK Statutory Instruments 74.2. Codes & Standards 75. Project References 85.1. Project References 8


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1. Scope And Functional Requirements

1.1. Scope of Document

This document has been produced to outline the Control and Instrument system design forthe pipeline and offshore facilities of the Kingsnorth Carbon Capture & Storage (CCS) Project.This will also include any onshore pipeline section, metering and Carbon Capture Plantinterface requirements.

1.2. Pipeline & Offshore Facility

The Project consists of a circa 270 km dry CO2 pipeline from Kingsnorth Power Station to anew offshore Normally Unattended Installation (NUI) to utilise the depleted Hewett gasreservoir.

Note: The project boundary starts downstream of the compression plant discharge isolationvalve and includes the onshore metering and pig launcher.

Figure 1.1 Outline System Schematic


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The onshore carbon capture plant engineering design shall be the responsibility of FosterWheeler / Mitsubishi Heavy Industries. The Project shall study two cases as follows:

The base case of a single platform, rated to handle the CO2 that is flowing in the pipelinewhen in the gaseous phase of the CO2 phase envelope and then is to be upgradeable to copewith the dense phase operation. This base case option has a well capacity for 4 wells (onespare) and has a CO2 handling capacity of 6600 tonnes/day;

A future case with enough capacity to handle 12 wells (i.e. 4 existing wells and 8 new wells)on a dense phase bridge linked platform that together will be suitable to handle 26,400tonnes/day of CO2.

1.3. Definitions

1.4. Offshore Platform Description

The topsides structure will be an integrated deck supported on four legs and stabbed into thejacket legs. It is envisaged this will support the following:

12 well slots, equipment and access platformsPedestal craneElectrical Process HeatersUtilitiesLaydown areas

ESDV platformHelideckLifeboatTemporary Safe Refuge - facilities for up to 20 persons

1.5. Abbreviations

DCS Distributed Control System

F&G Fire and Gas

HART Highway Addressable Remote Transmitter

HMI Human Machine Interface

NUI Normally Unattended Installation

PA/GA Public Address/General Alarm

SIL Safety Integrity Level

SIS Safety Instrumented System

TUV Technischer berwachungsverein (Tech. Inspection Agency)


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2. General Requirements

2.1. Control & Instruments

The following measurement, control and safeguarding requirements for the Kingsnorth carbontransport and storage systems have been identified:

Distributed Control System (DCS)Safety Instrumented System (SIS)Fire and Gas (F&G) System

Telecommunications and Information SystemsPackaged Unit Control EquipmentMetering SystemLeak Detection SystemOffshore Wellhead Control PanelOffshore Hydraulic Power UnitField Instrumentation

2.2. Minimal Intervention

The NUI shall be designed with a minimum of instrumentation to allow unattended operationwith minimal intervention and maintenance. All systems and equipment will be of provendesign.

2.3. Design Life

The design life of the platform and facilities is 40 years. The control and safety systems willhave a design life, which is as long as practically achievable with the current pace ofelectronic technology.


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3. Control & Instrument System Design

The Control and Instrument design scope for the transport and storage systems will consist ofthe following:

3.1. Distributed Control System

The DCS shall be the primary operator interface for measurement, control, display andalarming of the equipment, processes and systems. The DCS shall provide the main humanmachine interface (HMI) and integrate with all the other systems i.e. SIS, F&G and other seedocument [ref 5].

DCS remote control and monitoring will be required i.e. controller adjustments, diagnostics,start, stop equipment or indicate the need for maintenance intervention.

3.2. Safety Instrumented System

The SIS [ref 7] shall perform emergency, process shutdown and isolation actions inaccordance with the shutdown cause and effects to be developed in the next project phase.The NUI shall be provided with fully automatic local control and safeguarding systems to allowit to operate autonomously and safely.

The SIS shall be independent of the DCS. Operator interface for information, alarming andlogging shall be through the DCS single operator window. The SIS will be certified by TUVand suitable to support all SIL functions. Loop design will follow fail safe practices, for

electrical and instrument hydraulic failures. The executive functions shall be reviewed andimplemented according to the SIL classification studies.

No safety critical command shall be executed through the HMI. Manual shutdown signalsshall be hard wired. Field shutdown actions shall be hard wired.

3.3. Fire & Gas System

The offshore facility shall have a dedicated fire and gas system, which shall be an integralpart of the SIS. Field detection for smoke, flame, heat, CO 2 gas, acoustic leak detection shallbe selected based on the results of the hazard evaluation studies. The position and quantitywill be subject to an F&G mapping exercise. The F&G system shall interface with the PA/GAand SIS as required.

3.4. Telecommunications & Information SystemsThe telecommunications and data transfer methods for emergency response and operationalcontrol and monitoring signals between onshore and offshore will be commensurate with aNUI, statutory regulations and operational requirements see document [ref 8].


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3.5. Packaged Unit Control Equipment

Packaged equipment will be supplied for offshore with control and safeguarding systems thatfully integrate with the main Control and Instrument systems i.e. DCS, SIS and F&G.

The Offshore package equipment controls may include facilities for measurement, automaticcontrol, safety instrumented systems, manual start-up, interlocks, duty / priority selection forthe particular equipment package concerned.

The package equipment interfaces to the main Control and Instrument systems should befully tested before acceptance.

3.6. Metering System

The CO2 will be metered onshore at the boundary between the carbon capture plant and thepipeline inlet. The metering station will be to custody transfer standard. Fluid properties will bedetermined either by on-line analysis or inferred from compositional data obtained from spotsampling. It is assumed that due to the constant composition of the CO2 spot sampling wouldbe sufficient at mutually agreed intervals.

The CO2 will be metered offshore downstream of the process filters. The metering station willbe used for offshore leak detection. There will also be individual flowline meters used forreservoir management. The metering supervisory flow computers will monitor and store meterstream data as required.

3.7. Leak Detection System (Pipeline Integrity)The leak detection system will monitor the inlet and outlet pipeline flow, pressure andtemperature conditions. This will provide pipeline leak detection based on mass imbalance asa minimum.

Acoustic leak detection of CO2 for personnel protection may be employed at the onshorepipeline section and offshore on the NUI. This would be monitored by the DCS via the Fireand Gas system.

Moisture content / dew point analysers for monitoring of the pipeline for corrosion may beincluded.

3.8. Offshore Wellhead Control Panel

The wellhead control panel will allow local and remote control and monitoring of the wellheadvalves as required see document [ref 9].

3.9. Offshore Hydraulic Power unit

The hydraulic power unit will provide supplies to topsides and wellhead valves as requiredsee document [ref 9].

3.10. Field Instrumentation

Control and safeguarding instrumentation shall use conventional 4-20mA transmission, withHART communication where available.


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4. Mandatory References

4.1. UK Statutory Instruments

SI 2005/3117 Offshore Installations (Safety Case) Regulations

SI 1995/743 The Prevention of Fire and Explosion and Emergency Response Regulations(PFEER)

SI 1996/913 Offshore Installations and Wells (Design and Construction, etc) Regulations(DCR)

SI 1996/192 The equipment and protective systems intended for use in potentially

explosive atmosphere regulations SI 1996 No 192 as amended by SI 2001No 3766 (ATEX EU Directive 94/9/EC) and SI 2005 No. 830

SI 1998/2306 The Provision and Use of Work Equipment Regulations (PUWER)

4.2. Codes & Standards

API RP 554 Process Instrumentation and Control

IEC 61131-3 Programmable controllers - Part 3: Programming languages

BS EN ISO10012 Measurement & Calibration Systems

BS EN 61508 Functional Safety of Electrical / Electronic / Programmable ElectronicSafety- Related Systems

BS EN 61511 Functional Safety Safety Instrumented Systems for the ProcessIndustry Sector

API RP-14C Safety Systems for Offshore Production Platforms

ASM Guideline Abnormal Situation Management Consortium-Effective OperatorDisplay Design Practices, dated 14 Jan. 2009

EEMUA 191 Design of Alarm Systems

UKOOA Guidelines for Safety Related Telecommunication Systems on FixedOffshore Installations Issue 1 August 2005


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5. Project References

5.1. Project References

1. KCP-GNS-PCD-STU-0001 Kingsnorth Carbon Capture & Storage Project Basis Of DesignFor Studies Phase 1A

2. KCP-GNS-SHE-DPR-0001 Kingsnorth Carbon Capture & Storage Project ESD SystemPhilosophy

3. KCP-GNS-PCD-PFD-0003 - Kingsnorth Carbon Capture & Storage Project PFD Offshore &Transport System CO2 Process System Demo Phase (Base Case)

4. KCP-GNS-PCD-PFD-0004 - Kingsnorth Carbon Capture & Storage Project PFD Offshore &Transport System CO2 Process System Full Flow Scenario

5. KCP-GNS-INC-SPC-0001 Kingsnorth Carbon Capture & Storage Project PreliminaryOffshore & Pipeline Control System Specification

6. KCP-GNS-PCD-DPR-0001 Kingsnorth Carbon Capture & Storage Project Full SystemRelief, Vent & Blowdown System Design Philosophy

7. KCP-GNS-SHE-DPR-0001 Kingsnorth Carbon Capture & Storage Project OffshoreEmergency Shutdown System Design Philosophy

8. KCP-GNS-TCS-DPR-0001 Kingsnorth Carbon Capture & Storage Project OffshoreTelecommunications Systems Design Philosophy

9. KCP-GNS-INC-SPC-0004 Kingsnorth Carbon Capture & Storage Project Wellhead ControlSystem

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6.28 Offshore and Pipeline Control and Instrument System Design Report