1、 Guide for Classification and Certification of Subsea Production Systems, Equipment and Components GUIDE FOR CLASSIFICATION AND CERTIFICATION OF SUBSEA PRODUCTION SYSTEMS, EQUIPMENT AND COMPONENTS AUGUST 2017 American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 186
2、2 2017 American Bureau of Shipping. All rights reserved. ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA Foreword Foreword The advantages of subsea systems have made subsea production a top choice for developments in many environments around the world. Innovations and improvements are being i
3、ntroduced that will increase the reliability and robustness of these systems, which will be used in even more developments over time. Verification and validation plays an important role in safe and reliable operations of these subsea production systems. This Guide specifies the ABS requirements and
4、process for Certification and Classification of subsea production systems and their associated subsystems, equipment and/or components. An optional class notation null CSS Production is offered for a subsea production system that has been reviewed, surveyed, installed and commissioned in full compli
5、ance with the applicable sections of this Guide. In addition, Independent third party (I3P) services that can be provided by ABS at different project phases are also described in this Guide. These are customized services based on the request of clients and could include the following: Design verific
6、ation (design review) and design validation (survey during manufacturing) Installation/commissioning verification In-service examination Life extension assessment Decommissioning verification Certified Verification Agent (CVA) review to meet the government requirements can be provided during design,
7、 manufacturing and installation phases for subsea risers. For safety and pollution prevention equipment (SPPE) and subsea equipment in high-pressure high-temperature (HPHT) applications, I3P services for conformance with 30 CFR 250 Subpart H and applicable BSEE requirements can also be provided. Thi
8、s Guide is to be used in conjunction with other applicable ABS Rules and Guides, codes and standards as referenced therein, and applicable national regulations. This Guide becomes effective on the first day of the month of publication. Users are advised to check periodically on the ABS website www.e
9、agle.org to verify that this version of this Guide is the most current. We welcome your feedback. Comments or suggestions can be sent electronically by email to rsdeagle.org. ii ABSGUIDE FOR CLASSIFICATION or two identical units (or systems) fulfilling the same function. Electric Control. A control
10、method wherein communication signals and power are conducted to the subsea system and use electric motors to open or close subsea valves. Electrohydraulic Control. A control method wherein communication signals are conducted to the subsea system. The signals both control and operate electrically pow
11、ered functions in the subsea system. Emergency Shutdown. The controlled sequence of events ensuring that the well is secured against accidental release of hydrocarbons into the environment (i.e., closing of barrier elements). Emergency Shutdown (ESD) System. A system of manual stations that, when ac
12、tivated, initiates facility shutdown. End Fitting. The termination in a flexible pipe. End Termination. A mechanical fitting that is attached to the end of an umbilical and that provides a means of transferring installation and operating loads, fluid and electrical services to a mating assembly moun
13、ted on the subsea facility or surface facility. Environmental Loads. Loads due to the environment. Export Line. A pipeline that transports processed oil and/or gas fluids between platforms or between a platform and a shore facility. Extended Factory Acceptance Test (EFAT). A test conducted to verify
14、 that the specified requirements, for a set of interfacing products, have been fulfilled. Factory Acceptance Test (FAT). A test conducted to verify that the specified requirements, for a product, have been fulfilled. Fail-Safe. A term applied to equipment or a system so designed that, in the event o
15、f failure or malfunction of any part of the system, devices are automatically activated to stabilize or secure the safety of the operation. Failure. An event causing an undesirable condition (e.g., loss of component or system function) or deterioration of functional capability to such an extent that
16、 the safety of the unit, personnel, or environment is significantly reduced Failure Mode. The effect by which a failure is observed on the failed item i.e., the loss of a required functionality (e.g., loss of containment). Fault. The state of an item characterized by inability to perform a required
17、function, excluding the inability during preventive maintenance or other planned actions, or due to lack of external resources. Final Element. Part of a safety instrumented system that implements the physical action necessary to achieve a safe state. Flexible Joint. A laminated metal and elastomer a
18、ssembly, having a central through-passage equal to or greater in diameter than the interfacing pipe or tubing bore, that is positioned in the riser string to reduce the local bending stresses. Flowline. A pipeline that transports the well fluids from the wellhead to the first downstream process comp
19、onent. Flowline Jumper. A length of pipe terminated by connector systems between two subsea structures. Flying Lead. Single or multiple composite grouping of hydraulic, chemical, electrical power, electrical signal, and/or optical signal carrying conduits used to interconnect various items of subsea
20、 equipment. Flying leads may be designed for remotely operated vehicle (ROV) or remotely operated tool (ROT) assisted deployment. Fortified Section. Piping and equipment with an intermediate pressure rating somewhere between the SIP (high) and MAWP (low) ratings. Fracture Mechanics Assessment. Asses
21、sment and analysis where critical defect sizes under design loads are identified to determine the crack growth life (i.e., leak or fracture). ABSGUIDE FOR CLASSIFICATION but upon removal of the loading or temperature distribution, only elastic primary and secondary stresses are developed in the comp
22、onent, except in small areas associated with local stress (strain) concentrations. Shutdown Valve (SDV). An automatically operated, fail closed valve used for isolating equipment. Site Received Test (SRT). A test conducted to verify that the specified requirements, for a product that has been transp
23、orted from one site to another, are still fulfilled. Sour Service. Service conditions with H2S content exceeding the minimum specified by ISO 15156 (all parts) at the design pressure. Specified Minimum Yield Strength. The minimum yield strength at room temperature prescribed by the specification or
24、standard under which the material is purchased. Stress Concentration Factor (SCF). The SCF for a particular stress component and location on a tubular connection is the ratio of the hot spot stress to the nominal stress at the cross section containing the hot spot. Stress Joint. A specialized riser
25、joint designed with a tapered cross-section, in order to control curvature and reduce local bending stresses. Subsea Casing Hanger. A device that supports a casing string in the wellhead at the mudline. Subsea Isolation Valve (SSIV). An emergency shutdown valve located in the flowline that is normal
26、ly installed below the splash-zone, often on the seabed. Subsea Production Control System (SPCS). A control system operating a subsea production system (SPS) during production operations. Subsea Safety System. An arrangement of safety devices and emergency support systems to effect the subsea system
27、 shutdown. Subsea Umbilical Termination. A mechanism for mechanically, electrically, optically and/or hydraulically connecting an umbilical or jumper bundle to a subsea system. Suction Pile. Typically a tall steel cylindrical structure, open at the bottom and normally closed at the top, with or with
28、out an internal stiffener system and used to support subsea structures. Surface Controlled Subsurface Safety Valve (SCSSV). A safety device that is located in the production bore of the well tubing below the subsea wellhead and that will close on loss of hydraulic control pressure. Surface Safety Va
29、lve (SSV). A safety device that is located in the production bore of the well tubing above the wellhead (platform well), or at the point of subsea well production embarkation onto a platform, and that automatically closes upon loss of hydraulic pressure. Survey. An activity carried out by ABS Survey
30、ors to determine whether an item complies with ABS requirements. May involve document review, examination, and testing as required by ABS Rules and Guides. Sweet Service. Service conditions having an H2S content less than that specified by NACE MR0175. 12 ABSGUIDE FOR CLASSIFICATION & CERTIFICATION
31、OF SUBSEA PRODUCTION SYSTEMS, EQUIPMENT & COMPONENTS .2017 Section 1 Scope and Conditions of Classification and Certification System Function Test (SFT). A test conducted to validate that the requirements for a specific intended use or application, of a set of products that form a “complete” (1) fun
32、ctional system, have been fulfilled. System Integration Test (SIT). A test conducted to validate that the requirements for a specific intended use or application, of a set of products that form an integrated system, have been fulfilled. Template. A seabed structure that provides guidance and support
33、 for drilling and includes production/injection piping. Ultimate Tensile Strength . The maximum load before failing or breaking divided by the original cross-sectional area. Umbilical. A group of functional components, such as electric cables, optical fiber cables, hoses, and tubes, laid up or bundl
34、ed together or in combination with each other, that generally provides hydraulics, fluid injection, power and/or communication services. Underwater Safety Valve (USV). An automatic valve assembly (installed in a subsea tree upstream of the choke) that closes upon loss of power. Undrained Condition.
35、The condition whereby the applied stresses and stress changes are supported by both the soil skeleton and the pore fluid and do not cause a change in volume. Undrained Shear Strength. The maximum shear stress or shear stress at a specified shear strain, in an undrained condition. Validation. The con
36、firmation that the operational requirements for a specific use or application have been fulfilled, through the provision of objective evidence. Typically validation is achieved by qualification testing and/or system integration testing. Valve Block. An integral block containing two or more valves. V
37、erification. The confirmation that specified design requirements have been fulfilled, through the provision of objective evidence. Typically verification is achieved by calculations, design reviews, and hydrostatic testing. Vertical Tree. A tree with the master valve in the vertical bore of the tree
38、 below the side outlet. Well Completion. Well operations including tubing installation, well perforation and test production. Well Jumper. A flowline jumper located between a subsea tree and another subsea structure (typically a manifold or PLET). Workover Riser. A jointed riser that provides a cond
39、uit from the subsea tree upper connection to the surface and allows for the passage of tools during workover operations of limited duration, and can be retrieved in severe environmental conditions. Yield Strength. The stress level, measured at room temperature and elevated temperature, at which mate
40、rial plastically deforms and does not return to its original dimensions when the load is released. 15 Abbreviations ABS American Bureau of Shipping AISC American Institute of Steel Construction ANSI American National Standards Institute API American Petroleum Institute ASME American Society of Mecha
41、nical Engineers ASNT American Society for Nondestructive Testing ASTM American Society for Testing and Materials AWS American Welding Society BSDV Boarding Shutdown Valves BSEE Bureau of Safety and Environmental Enforcement ABSGUIDE FOR CLASSIFICATION & CERTIFICATION OF SUBSEA PRODUCTION SYSTEMS, EQ
42、UIPMENT & COMPONENTS .2017 13 Section 1 Scope and Conditions of Classification and Certification CoC Certificate of Conformity CFR Code of Federal Regulations CRA Corrosion Resistant Alloy CSS Classification of Subsea Systems DRL Design Review Letter DSS Duplex Stainless Steel EFAT Extended Factory
43、Acceptance Test EFL Electrical Flying Leads EN European Norm EPU Electrical Power Unit ESD Emergency Shutdown FAT Factory Acceptance Test FDS Functional Design Specification FMEA Failure Modes and Effects Analysis FMECA Failure Mode, Effects and Criticality Analysis HAZID Hazard Identification HAZOP
44、 Hazard and Operability HIC Hydrogen Induced Cracking HIPPS High Integrity Pressure Protection System HPHT High-Pressure High-Temperature HPU Hydraulic Power Unit I3P Independent Third Party IEC International Electrotechnical Commission IEEE Institute of Electrical and Electronic Engineers IMR Inspe
45、ction, Maintenance and Repair IRC Independent Review Certificate ISIP In Service Inspection Plan ISO International Organization for Standardization ITP Inspection and Test Plan MAC Manufacturers Affidavit of Compliance MPS Manufacturing Procedure Specification MRN Maintenance Release Note NACE Natio
46、nal Association of Corrosion Engineers NDE Nondestructive Examination OCS Outer Continental Shelf OEM Original Equipment Manufacturer P&ID Piping and Instrumentation Diagram PDA Product Design Assessment 14 ABSGUIDE FOR CLASSIFICATION & CERTIFICATION OF SUBSEA PRODUCTION SYSTEMS, EQUIPMENT & COMPONE
47、NTS .2017 Section 1 Scope and Conditions of Classification and Certification PLEM Pipeline End Manifold PLET Pipeline End Termination PoD Probability of Detection PQR Procedure Qualification Record PR Performance Rating PSD Process Shutdown PSL Production Specification Level PWHT Post Weld Heat Trea
48、tment RCA Root Cause Analysis ROT Remotely Operated Tool ROV Remotely Operated Vehicle RP Recommended Practice SCM Subsea Control Module SCSSV Surface-Controlled Subsurface Safety Valve SEM Subsea Electronics Module SIF Safety Instrumented Function SIL Safety Integrity Level SIS Safety Instrumented
49、System SIT System Integration Testing SMYS Specified Minimum Yield Strength SPCS Subsea Production Control Systems SPPE Safety and Pollution Prevention Equipment SR Survey Report SSSV Subsurface Safety Valves SSV Surface Safety Valves SUDU Subsea Umbilical Distribution Unit SUTA Subsea Umbilical Termination Assembly SUTU Subsea Umbilical Termination Unit TFL Through-Flowline TUTA Topside Umbilical Termination Assembly TUTU Topsides Umbilical Termination Unit UPS Uninterruptible Power Supply USV Underwater Safety Valve UT Ultrasonic Testing WPQT Welding Procedure Qualification
