Nationales Vorwort

Foreword

Endorsement notice

1Scope

2Normative references

3Terms and definitions

4Abbreviated terms

5System requirements

5.1General

5.2Concept development

5.3Production control system functionality requirement

5.3.1General

5.3.2Intelligent well application

5.3.4Robustness of hydraulic system

5.3.5Seawater ingress in hydraulic system

5.3.6Subsea intervention

5.3.7Increased scope with respect to number of wells

5.3.8Increased scope with respect to number of umbilicals

5.3.9Interface toward subsea separation/subsea boosting system

5.3.10Subsea chemical injection

5.3.11Downhole instrumentation system interfaces

5.3.12Downhole chemical injection

5.4General requirements

5.4.1General

5.4.2Service condition

5.4.2.1Suitability for working environment

5.4.2.2Pressure ratings

5.4.2.2.1General

5.4.2.2.2Hydraulic control components

5.4.2.2.3Other equipment

5.4.2.3Temperature ratings (host facility equipment)

5.4.2.3.1Without controlled environment

5.4.2.3.2Controlled environment

5.4.2.5Electromagnetic compatibility

5.4.2.6Storage/test temperature recommendations

5.4.2.7External hydrostatic pressure

5.4.2.8Fluid compatibility

5.4.3Hydraulic system

5.4.3.1Hydraulic control fluid

5.4.3.2Cleanliness

5.4.3.3Seawater ingress and compensation

5.4.3.4Overpressure protection

5.4.3.5Vibration and pressure pulses

5.4.4Electrical system

5.4.5Redundancy

5.4.6Reliability

5.5Functional requirements

5.5.1General performance requirements

5.5.2Operating pressure

5.5.3Fail-safe philosophy

5.5.4Response time

5.5.4.1Valve closing

5.5.4.1.1General

5.5.4.1.2Requirement for contingency closure control mode

5.5.4.1.3USV closing-time requirement using primary control mode

5.5.4.1.4USV closing-time requirement using contingency closure control mode

5.5.4.1.5Shift time limitation

5.5.4.1.6Failure of boost system

5.5.4.1.7Relationship of surface and riser safety system response requirements to subsea control-system response requirements

5.5.4.2Valve opening

5.5.4.3Demonstration of response time

5.5.5Functional considerations

5.5.5.1Leak tests and diagnostics

5.5.5.2Interlocks

5.5.5.3SCSSV or intelligent well completion seal failure

5.5.5.4Actuation indication

5.5.5.5Protection of SCSSV

5.5.5.6Flushing of SCSSV hydraulic circuit

5.5.5.7Safety isolation during workover

5.5.5.8Control fluid venting and leakage

5.5.5.9Load capability

5.6Design requirements

5.6.1General design requirements

5.6.2Design methods

5.6.2.1Pressure-containing vessels

5.6.2.2Electrical devices

5.6.2.3Interconnecting tubing

5.6.3Design analysis

5.6.3.1General

5.6.3.2Hydraulic systems

5.6.3.3Electrical power systems

5.6.3.4Electrical communication systems

5.6.4Design review

5.6.5Control system design documentation

5.6.5.1Manufacturer's engineering data records

5.6.5.2Installation, operating and maintenance manual

5.6.5.3Manufacturer's data record book

6Surface equipment

6.1General

6.2General requirements

6.3Functional requirements

6.4Design requirements

6.4.1Master control station (MCS)

6.4.2Electrical power unit (EPU)

6.4.3Modem unit

6.4.4Uninterruptible power supply (UPS) (optional)

6.4.5Hydraulic power unit (HPU)

6.4.5.1General

6.4.5.2Accumulators

6.4.5.3Pumps

6.4.5.4Reservoirs

6.4.5.5Control and monitoring

6.4.6Chemical injection unit (CIU)

6.4.6.1General

6.4.6.2General requirements

6.4.6.3Chemical injection pumps

6.4.6.4Reservoirs

6.4.6.5Control and monitoring

6.4.6.6Fluid compatibility of components and materials

6.4.7Hydraulic control fluid

6.4.7.1General

6.4.7.2Design

6.4.7.3Fluid compatibility

7Subsea equipment

7.1General

7.2General requirements

7.3Functional requirements

7.4Design requirements

7.4.1Subsea hydraulic systems

7.4.1.1Subsea hydraulic distribution system

7.4.1.2Multifunction connections

7.4.1.3Pipe, tubing and hoses

7.4.1.4Seachest compensation chamber

7.4.1.5Valve actuators override

7.4.1.6Subsea accumulators

7.4.2Chemical injection systems

7.4.2.1Subsea chemical-injection distribution system

7.4.2.2Pipe, tubing and hoses

7.4.2.3Special considerations

7.4.3Subsea electrical systems

7.4.3.1Subsea electrical distribution system

7.4.3.2Prevention of electrical shock

7.4.3.3Electromagnetic compatibility

7.4.4Subsea control module (SCM)

7.4.5Subsea electronic module (SEM)

7.4.5.1SEM hardware

7.4.5.2SEM software

7.4.6Communication protocol

7.4.7Subsea instrumentation

7.4.8Parking and protection provisions

7.4.9Isolation of subsea well

7.4.9.1Isolation of subsea well by ESD

7.4.9.2Isolation of subsea well by PSD (optional)

7.4.9.3High integrity pipeline protection system (HIPPS) (optional)

7.4.10Test equipment

7.4.10.1General

7.4.10.2Control module test stand

7.4.10.3Test hydraulic power unit

7.4.10.4Dummy control module

7.4.10.5Umbilical simulator

7.4.10.6Electronic test unit

7.4.10.7Sensor test unit

8Interfaces

8.1General

8.2Interface to host facility

8.3Interface to subsea equipment

8.4Interface to workover control system

8.5Interface to intelligent wells

8.5.1General

8.5.2Physical

8.5.3Communications

8.5.4IWCS interfaces with other systems

8.5.5Electrical power

8.5.6Hydraulic power

8.5.6.1Systems

8.5.6.2Hydraulic feed-through

8.5.7Tubing hanger penetrations

8.5.8Testing

9Materials and fabrication

9.1General

9.2Materials

9.2.1Material selection

9.2.2Corrosion considerations

9.2.3Fluid compatibility

9.3Fabrication

9.3.1Fittings and connections

9.3.2Welding

9.3.3Cleanliness

9.3.4Electrical and electronic assembly

10Quality

11Testing

11.1General

11.2Qualification testing

11.2.1Qualification test

11.2.2Hydrostatic pressure testing (internal and external)

11.2.3Minimum and maximum temperature testing

11.2.4Cycle testing

11.2.5Qualification testing of electrical and optical equipment

11.2.5.1General

11.2.5.2Definition of qualification test Q1 and Q2

11.2.5.2.1Shock tests

11.2.5.2.2Vibration tests

11.2.5.3Temperature tests

11.3Factory acceptance tests (FAT)

11.3.1General

11.3.2Integrity

11.3.3Function and continuity

11.3.4Safety and operational checkouts

11.3.5Environmental stress screening (ESS) of electrical and optical equipment

11.3.5.1General

11.3.5.2ESS test sequence

11.3.6Other testing which may be required by the purchaser

11.3.6.1Internal leakage testing

11.3.6.2Fluid flushing

11.3.6.3Sensitivity testing

11.4Integrated system tests

11.5Documentation

12Marking, packaging, storage and shipping

12.1Marking

12.1.1Component identification

12.1.2Surface and subsea equipment temperature ratings

12.1.3Special marking — Usage restricted to controlled environment

12.2Packaging

12.2.1Rust prevention

12.2.2Surface protection for seals

12.2.3Loose components

12.3Storage and shipping

12.3.1Elastomer age control

12.3.2Hydraulic and pneumatic systems

12.3.2.1General

12.3.2.2Pressurized circuits

12.3.2.3Accumulators

12.3.2.4Fluid reservoir

12.3.2.5HPU fluid and electrical connections

12.3.3Electrical/electronic systems

12.3.4Crating and handling

12.3.5Shipping and storage temperature limitations

Annex ATypes and selection of control system (informativ)

A.1System selection

A.2All-hydraulic system descriptions

A.2.1General

A.2.2Direct hydraulic systems

A.2.3Piloted hydraulic systems

A.2.4Sequential hydraulic systems

A.3Electrohydraulic systems

A.3.1General

A.3.2Direct electrohydraulic systems

A.3.3Multiplexed electrohydraulic systems

A.3.4Autonomous systems

A.4Electrical systems

A.4.1General

A.4.2Direct electric system

A.4.3Multiplexed electric system

A.4.4Autonomous electric system

A.5Hydraulic system layout

Annex BTypical control and monitoring functions (informativ)

B.1Control functions

B.2Monitoring functions

B.3Subsea control module (SCM) parameter monitoring

Annex CProperties and testing of control fluids (informativ)

C.1Property requirements of control fluids

C.2Properties and testing of water/glycol-based control fluids

C.2.1Test specifications

C.2.2Stability, compatibility, filterability, lubricity and wear

C.2.2.1Thermal stability — High temperature

C.2.2.1.1General

C.2.2.1.2Methods and measurements

C.2.2.1.3Procedure

C.2.2.1.4Results

C.2.2.1.5Acceptance criteria

C.2.2.2Thermal stability — Low temperature

C.2.2.2.1Methods and measurements

C.2.2.2.2Procedure

C.2.2.2.3Results

C.2.2.2.4Acceptance criteria

C.2.2.3Thermal stability — High temperature in the presence of seawater

C.2.2.4Seawater compatibility

C.2.2.4.1Methods and measurements

C.2.2.4.2Procedure

C.2.2.4.3Results

C.2.2.4.4Acceptance criteria

C.2.2.5Control fluid compatibility

C.2.2.5.1Methods and measurements

C.2.2.5.2Procedure

C.2.2.5.3Results

C.2.2.5.4Acceptance criteria

C.2.2.5.5Optional test

C.2.2.6Completion fluid compatibility

C.2.2.6.1Methods and measurements

C.2.2.6.2Procedure

C.2.2.6.3Results

C.2.2.6.4Acceptance criteria

C.2.2.7Compatibility with miscellaneous operational fluids

C.2.2.7.1Methods and measurements

C.2.2.7.2Procedure

C.2.2.7.3Results

C.2.2.7.4Acceptance criteria

C.2.2.8Metal compatibility

C.2.2.8.1General

C.2.2.8.2Methods and measurements

C.2.2.8.3Procedure

C.2.2.8.4Results

C.2.2.8.5Acceptance criteria

C.2.2.8.6Optional test

C.2.2.9Elastomer compatibility

C.2.2.9.1Methods and measurements

C.2.2.9.2Procedure

C.2.2.9.3Results

C.2.2.9.4Acceptance criteria

C.2.2.10Thermoplastic compatibility

C.2.2.11Filterability

C.2.2.11.1Methods and measurements

C.2.2.11.2Procedure

C.2.2.11.3Results

C.2.2.11.4Acceptance criteria

C.2.2.12Fluid lubricity and wear

C.2.2.12.1Methods and measurements

C.2.2.12.2Procedure

C.2.3Falex lubricant test

C.2.4Procedure for testing of metal compatibility

C.2.4.1General

C.2.4.2Test materials and sample design

C.2.4.3Preparation of samples

C.2.4.4Test conditions and test set-up

C.2.4.5Monitoring and termination of the tests

C.2.4.6Inspection and evaluation of metal samples and solution after test

C.2.4.6.1Inspection of metal specimens

C.2.4.6.2Inspection of the fluids

C.2.4.7Assessment of results and reporting

C.2.4.8Step-by-step procedure

C.2.4.8.1Preparation of samples

C.2.4.8.2Preparation of solutions

C.2.4.8.3Start and continuation of test

C.2.4.8.4Intermittent removal of samples at for 20 °C (68 °F) and 60 °C (140 °F) after 3 wk and 6 wk

C.2.4.8.5Termination of tests

C.2.4.8.6Inspection and assessment of fluid after test

C.2.4.8.7Inspection and assessment of metal samples after test

C.3Property requirements of synthetic control fluids

C.3.1Test specifications

C.3.2General

C.3.3Appearance

C.3.4Water content

C.3.5Pour point

C.3.6Flash point

C.3.7Corrosion test

C.3.8Anti-wear test

C.3.8.1General

C.3.8.2ASTM D2596

C.3.8.3Falex test

C.3.9Elastomer compatibility

C.3.10Thermoplastics compatibility

C.3.11Fluid stability

C.3.12Environmental effects

C.3.12.1General

C.3.12.2User information requirements

C.4Test methods

C.4.1Modified Falex lubricant test

C.4.2Test method — Falex lubricant tester

C.4.2.1Method A: 0 kN to 1,33 kN (0 lbf to 300 lbf) load

C.4.2.2Method B: 30 min at 1,33 kN (300 lbf) load

C.4.3High-temperature fluid testing requirements

C.4.3.1General

C.4.3.2Test vessel

C.4.3.3Test procedure (three vessels required)

C.4.3.4Qualification tests

C.4.3.5Acceptance criteria

Annex DOperational considerations with respect to flowline pressure exposure (informativ)

D.1General

D.2Subsea production system rated to maximum shut-in pressure

D.3Subsea production system with flowlines that have limitations with respect to exposure to maximum shut-in pressure

D.4Subsea production system including high integrity pipeline protection system (HIPPS)

Annex EInterface to intelligent well (normativ)

E.1Physical interfaces

E.1.1Option 1 — Subsea electronic module (SEM) interface

E.1.1.1General

E.1.1.2Eurocard ANSI 1014:1987, Section 7 — Deviations

E.1.1.3Intelligent well interface card — Euro connector DIN 41612-2

E.1.2Option 2 — Subsea control module (SCM) interface

E.1.3Option 3 — External interface

E.2Electrical interface

E.3Surface integration

E.3.1Guideline to the interface with regard to the operation of the system

E.3.2Example system data flow diagrams

E.4Electrical power interface

E.5Testing

E.5.1Qualification testing

E.5.2Environmental stress screening (ESS)

Annex FDefinition of subsea electromagnetic environment and guidance on the selection of tests, limits and severity to provide a presumption of compliance of subsea equipment (informativ)

F.1General

F.2Description of environment

F.3Conducted low-frequency phenomena

F.3.1Supply frequency harmonics

F.3.2Supply voltage and frequency variations

F.3.3Induced voltages

F.3.4Radiated low-frequency phenomena

F.3.4.1Radiated magnetic fields

F.3.4.2Radiated electric fields

F.3.5Conducted high-frequency phenomena

F.3.5.1Signalling voltages — Combined power and signal

F.3.5.2Induced continuous wave voltages and currents

F.3.5.3Transients

F.3.6Radiated high-frequency phenomena

F.3.7Electrostatic discharge phenomena

F.4Disturbance degrees

F.4.1General

F.4.2Conducted low-frequency phenomena

F.4.2.1Harmonics

F.4.2.2Supply voltage and frequency variations

F.4.2.3Induced voltages

F.4.3Radiated low-frequency phenomena

F.4.3.1Radiated magnetic fields

F.4.3.2Radiated electric fields

F.4.4Conducted high-frequency phenomena

F.4.4.1Signalling voltages

F.4.4.2Induced CW voltages and currents

F.4.4.3Transients

F.5Permissible emissions

F.6Performance criteria

F.7Subsea location class and descriptions

F.7.1Subsea location — Class type 1

F.7.2Subsea location — Class type 2

F.7.3Subsea location — Class type 3

F.7.4Subsea location — Class type 4

F.8Immunity test standards levels

Bibliography (informativ)