ABS 284-2017 GUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS.pdf

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1、 Guide for Classification and Certification of Managed Pressure Drilling Systems GUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS SEPTEMBER 2017 American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 2017 American Bureau of Shippin

2、g. All rights reserved. ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA Foreword Foreword Managed Pressure Drilling (MPD) techniques have proven to be cost-effective, reliable, and safe when drilling difficult onshore wells as well as when drilling from mobile offshore drilling units (MODU) w

3、ith a surface BOP. MPD is now widely being used as an enabling method in drilling increasingly complex and challenging offshore wells from MODUs with subsea BOPs. As the leading global provider of offshore classification services, ABS is deeply involved in the safe and reliable use of MPD technology

4、 in global shallow-water and floating rig applications through design verification and validation. ABS has worked closely with the drilling industry to develop this Guide that specifies the classification and certification requirements for MPD systems, subsystems and equipment. This Guide is intende

5、d to be used in conjunction with the ABS Guide for the Classification of Drilling Systems (CDS Guide), other applicable ABS Rules and Guides, codes and standards as referenced therein, and applicable national regulations. For ABS classed drilling units that are in compliance with this Guide, the opt

6、ional MPD and MPD-Ready class notations are offered. These notations are offered to drilling units that may or may not be classed with any of ABS CDS notations and sub-notations for the associated drilling systems. ABS also offers certification services for MPD systems, subsystems, equipment and/or

7、components provided that the applicable requirements in this Guide are fulfilled. Certification can be provided for drilling units classed with ABS as well as for non-ABS classed units. This Guide becomes effective on the first day of the month of publication. Users are advised to check periodically

8、 on the ABS website www.eagle.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 AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS .2017 Table of

9、 Contents GUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS CONTENTS SECTION 1 General 1 1 General . 1 3 Scope 1 5 Classification and Class Notations . 1 5.1 MPD Systems 1 5.3 “MPD-Ready” Systems 1 5.5 Systems Not Built Under Survey . 2 7 Certification . 2 9 Certificati

10、on and Classification Process 2 9.1 Certification Process . 2 9.3 Classification Process . 2 11 Applicable Codes and Standards . 4 13 Alternatives . 5 13.1 General 5 13.3 Standards or Basis of Design 5 15 New Technologies and Novel Concepts . 5 17 Risk Evaluations for Alternative Arrangements and No

11、vel Features 5 19 Design Plans and Data . 6 21 Definitions . 7 23 Abbreviations 9 FIGURE 1 ABS Classification/Certification Process 3 SECTION 2 Design of MPD Systems, Subsystems and Equipment 10 1 General . 10 3 MPD System General Safety Considerations . 10 5 Risk Assessment for MPD System . 10 5.1

12、HAZID 11 5.3 HAZOP 11 5.5 FMEA/FMECA . 11 7 Rig Modifications . 11 9 System Design 12 ABSGUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS .2017 iii 11 Back-Pressure Systems, Subsystems and Equipment Design 13 11.1 Low Pressure Riser above the Rotating Control Device (R

13、CD) . 13 11.3 Rotating Control Device (RCD) 14 11.5 MPD Annular . 14 11.7 Riser Flow Spool 15 11.9 PRV and Discharges . 15 11.11 MPD Manifolds 16 11.13 Debris Catcher/Junk Catcher . 17 11.15 Piping . 17 11.17 Flow Lines Including Flexible Lines . 18 11.19 Back-Pressure Pump (BPP) 18 11.21 Mud-Gas Se

14、parator/Drill Thru Degasser . 19 11.23 Non-Return Valve (NRV) . 19 11.25 Control Systems 19 11.27 Modifications to the Drilling Riser System 20 13 Dual Gradient Systems . 20 15 Controlled Mud-Level Systems, Subsystems and Equipment Design . 20 15.1 Subsea Pump Module (SPM) 21 15.3 Low Pressure Riser

15、 above Subsea Pump Module 21 15.5 Subsea Annular Isolation Device/MPD Annular . 21 15.7 PRV and Discharge . 21 15.9 Flow Manifolds . 21 15.11 Flow Meter . 22 15.13 Piping . 22 15.15 Mud Return Line (MRL) . 22 15.17 CML Control Systems 22 15.19 Modifications to the Drilling Riser System 23 17 Materia

16、ls, Welding and Nondestructive Examination for MPD System 23 SECTION 3 Survey of MPD Systems, Subsystems and Equipment . 24 1 General . 24 3 Surveys at Manufacturer and During Assembly . 24 5 On-Board Surveys during Installation and Commissioning 24 7 Surveys after Commissioning . 25 9 MPD Systems a

17、nd Equipment not Associated with a Specific Drilling Unit 25 TABLE 1 Codes for Design Review and Survey 26 TABLE 2 Codes for Testing 29 iv ABSGUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS .2017 Section 1 : General SECTION 1 General 1 General The general requirements

18、 for conditions of Classification and Certification are contained in the ABS Rules for Conditions of Classification Offshore Units and Structures (Part 1). Additional requirements specific to managed pressure drilling (MPD) systems are contained in this Guide. This Guide is intended to be used in co

19、njunction with the ABS Guide for the Classification of Drilling Systems (CDS Guide). The requirements contained herein and the referenced requirements from the CDS Guide are both to be met for classification and certification of MPD systems. For ABS classed drilling units that are in compliance with

20、 this Guide, the optional MPD and MPD-Ready class notations are offered. These notations are offered to drilling units that may or may not be classed with any of ABS CDS notations and sub-notations for the associated drilling systems. ABS also offers certification services for MPD systems, subsystem

21、s, equipment and/or components provided that the applicable requirements in this Guide are fulfilled. Certification can be provided for drilling units classed with ABS as well as for non-ABS classed units. 3 Scope The focus of this Guide is on MPD systems utilizing a Rotating Control Device (RCD) an

22、d a surface choke system to create surface back-pressure, and those that maintain a Controlled Mud Level (CML). Section 3, Table 1, lists the MPD systems, subsystems and equipment that may be classed/certified using this Guide. For subsystems and equipment of MPD systems not listed, the client is to

23、 contact the appropriate ABS technical office for guidance on the approval process. 5 Classification and Class Notations Two optional class notations related to MPD systems (MPD and MPD-Ready) are available for ABS classed drilling units provided the classification requirements in Sections 2 and 3,

24、as applicable, are complied with. 5.1 MPD Systems Where classification of an installed MPD systems is requested by the Owner/Operator, the MPD system may be classed and distinguished in the ABS Record by the notation null MPD, where approved by the Committee for service under the specified design en

25、vironmental conditions. 5.3 “MPD-Ready” Systems The notation null MPD-Ready is available where MPD operations are anticipated however operationally-essential MPD equipment is not physically present. “MPD-Ready” means that a rig, usually a floating MODU, is pre-fitted with provisions (e.g., general p

26、iping and tie-in points pre-installed) to deploy a MPD system. When an MPD system is installed on a “MPD-Ready” rig, the Record may be distinguished accordingly from “MPD-Ready” to “MPD”, where classification of this system is requested by the Owner/Operator and thereafter approved by the Committee.

27、 ABSGUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS .2017 1 Section 1 General 5.5 Systems Not Built Under Survey The symbol “null” (Maltese-Cross) signifies that the system was reviewed, built, installed and commissioned to the satisfaction of ABS. MPD systems, sub-sy

28、stems, or equipment that have not been built under ABS survey, but which are submitted for Classification, will be subjected to special consideration. Where found satisfactory and thereafter approved by the Committee, they may be classed and distinguished in the Record by the notation described abov

29、e, but the symbol “null” signifying survey during construction will be omitted. 7 Certification Upon request of the Owner/Operator or Designer/Manufacturer, and where permitted by the recognized Authority, ABS will issue Certificates for MPD systems, subsystems, equipment and/or components provided

30、that the requirements in this Guide are fulfilled. Where authorized by a government agency and upon request of the Owner/Operator, ABS will survey and certify a classed MPD system or one intended to be classed for compliance with particular regulations of that government on their behalf. Certificati

31、on can be provided for drilling units classed with ABS as well as for non-ABS classed units. All the requirements in this Guide are applicable to certification except those in Subsection 3/7, “Survey after Commissioning”. 9 Certification and Classification Process Section 1, Figure 1 shows the typic

32、al process for ABS Certification of MPD systems, subsystems, equipment and components and the way forward to Classification of MPD systems. Section 3, Table 1 identifies the typical MPD systems, subsystems and equipment that are part of the ABS Classification/Certification process. For MPD systems,

33、subsystems, equipment and/or components not listed, the designer/manufacturer is to contact the appropriate ABS Technical office for guidance on the approval process. For the MPD-Ready notation, the scope is only for the pre-fitted provisions on the rig, therefore, the process of “ABS Survey at Vend

34、ors Plant” in Section 1, Figure 1 may not apply. Detailed ABS Classification and Certification process for drilling systems, subsystem, equipment, and/or components is contained in Section 4 of the CDS Guide. A brief summary of the process is provided below. 9.1 Certification Process i) Related MPD

35、systems, subsystems, equipment and component drawings, calculations and documentation are required to be submitted to ABS by entities as listed in Subsection 1/19 to substantiate that the design of the systems, subsystems, equipment and/or components are in compliance with this Guide, and applicable

36、 codes or standards, as listed in this Guide. ii) Upon satisfactory completion of ABS review of design documents, ABS Engineers will issue an ABS review letter and/or an Independent Review Certificate (IRC), as specified in Section 3, Table 1. This letter or IRC, in conjunction with ABS-approved doc

37、umentation, will be used and referenced during surveys. iii) Upon satisfactory completion of survey, ABS Surveyors will issue appropriate survey reports and/or a Certificate of Conformity (CoC). 9.3 Classification Process In addition to items i) through iii) above, and upon satisfactory completion o

38、f all of the required engineering design review and survey processes (inspection, testing, installation and commissioning), ABS may issue a Classification Certificate to the drilling unit, including the Class notation as listed in Subsection 1/5. 2 ABSGUIDE FOR CLASSIFICATION AND CERTIFICATION OF MA

39、NAGED PRESSURE DRILLING SYSTEMS .2017 FIGURE 1 ABS Classification/Certification Process Note: For “MPD-ready” Notation, “ABS Survey at Vendors Plant” may not apply. Section1GeneralABSGUIDEFORCLASSIFICATIONANDCERTIFICATIONOFMANAGEDPRESSUREDRILLING SYSTEMS.20173Section 1 General 11 Applicable Codes an

40、d Standards This Guide is intended for use in conjunction with codes and standards listed in this subsection, as well as those standards referred by related Sections/Subsections of CDS Guide. ABS Guide for the Classification of Drilling Systems (CDS Guide) API RP 14C Recommended Practice for Analysi

41、s, Design, Installation, and Testing of Basic Safety Systems for Offshore Production Platforms API RP 14E Recommended Practice for Design and Installation of Offshore Products Platform Piping Systems API RP 16Q Recommended Practice for Design, Selection, Operation and Maintenance of Marine Drilling

42、Riser Systems API RP 17B Recommended Practice for Flexible Pipe API RP 92C Controlled Mud Level Managed Pressure Drilling Operations API RP 92M Managed Pressure Drilling Operations with Surface Back-pressure API RP 92P Managed Pressure Drilling Operations Pressurized Mud Cap Drilling with a Subsea B

43、lowout Preventer API RP 92S Managed Pressure Drilling Operations Surface Back-pressure with a Subsea Blowout Preventer API Spec 16A Specification for Drill-Through Equipment API Spec 16C Specification for Choke and Kill Equipment API Spec 16D Specification for Control Systems for Drilling Well Contr

44、ol Equipment and Control Systems for Diverter Equipment API Spec 16F Specification for Marine Drilling Riser API Spec 16RCD Specification for Drill-Through Equipment Rotating Control Devices API Spec 17K Specification for Bonded Flexible Pipe API Spec 6A Specification for Wellhead and Christmas Tree

45、 Equipment API Spec 7K Specification for Drilling and Well Servicing Equipment API Spec 7NRV Specification for Drill String Non-return Valves API STD 53 Standard for Blowout Prevention Equipment Systems API TR 6AF1 Technical Report on Temperature Derating on API Flanges under Combination of Loading

46、API TR 6AF2 Technical Report on Capabilities of API Integral Flanges Under Combination of Loading Phase II IADC Well Classification System for Underbalanced Operations and Managed Pressure Drilling ISO 15156/NACE MR0175 Petroleum and Natural Gas IndustriesMaterials for use in H2S- Containing Environ

47、ments in Oil and Gas Production 4 ABSGUIDE FOR CLASSIFICATION AND CERTIFICATION OF MANAGED PRESSURE DRILLING SYSTEMS .2017 Section 1 General 13 Alternatives 13.1 General ABS is ready to consider alternative arrangements and designs which can be shown through either satisfactory service experience or

48、 a systematic analysis based on sound engineering principles, to meet the overall safety, serviceability, and design standards of the Rules and Guides. 13.3 Standards or Basis of Design i) Designs complying with other national or international standards not listed in Subsection 1/11 will be subject

49、to special considerations, on a case-by-case basis. When alternate design codes and standards are proposed, justifications may be achieved through equivalency, gap analysis, or appropriate risk analysis to demonstrate that the proposed alternate design codes and standards will provide a safety level which is acceptable to ABS. ii) Designs based on manufacturers standards may also be accepted. In such cases, complete details of the manufacturers standards and engineering justifications are to be submitted for review. The manufacturer will be required to demonstrate by way o

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