DEP 31.40.10.14-Gen.pdf
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1、MANUAL PIPELINE OVERPRESSURE PROTECTION DEP 31.40.10.14-Gen. March 1994 DESIGN AND ENGINEERING PRACTICE USED BY COMPANIES OF THE ROYAL DUTCH/SHELL GROUP This document is confidential. Neither the whole nor any part of this document may be disclosed to any third party without the prior written consen
2、t of Shell Internationale Petroleum Maatschappij B.V., The Hague, the Netherlands. The copyright of this document is vested in Shell Internationale Petroleum Maatschappij B.V., The Hague, the Netherlands. All rights reserved. Neither the whole nor any part of this document may be reproduced, stored
3、in any retrieval system or transmitted in any form or by any means (electronic, mechanical, reprographic, recording or otherwise) without the prior written consent of the copyright owner. PREFACE DEP (Design and Engineering Practice) publications reflect the views, at the time of publication, of: Sh
4、ell International Oil Products B.V. (SIOP) and Shell International Exploration and Production B.V. (SIEP) and Shell International Chemicals B.V. (SIC) The Hague, The Netherlands, and other Service Companies. They are based on the experience acquired during their involvement with the design, construc
5、tion, operation and maintenance of processing units and facilities, and they are supplemented with the experience of Group Operating companies. Where appropriate they are based on, or reference is made to, national and international standards and codes of practice. The objective is to set the recomm
6、ended standard for good design and engineering practice applied by Group companies operating an oil refinery, gas handling installation, chemical plant, oil and gas production facility, or any other such facility, and thereby to achieve maximum technical and economic benefit from standardization. Th
7、e information set forth in these publications is provided to users for their consideration and decision to implement. This is of particular importance where DEPs may not cover every requirement or diversity of condition at each locality. The system of DEPs is expected to be sufficiently flexible to
8、allow individual operating companies to adapt the information set forth in DEPs to their own environment and requirements. When Contractors or Manufacturers/Suppliers use DEPs they shall be solely responsible for the quality of work and the attainment of the required design and engineering standards
9、. In particular, for those requirements not specifically covered, the Principal will expect them to follow those design and engineering practices which will achieve the same level of integrity as reflected in the DEPs. If in doubt, the Contractor or Manufacturer/Supplier shall, without detracting fr
10、om his own responsibility, consult the Principal or its technical advisor. The right to use DEPs is granted by SIOP, SIEP or SIC, in most cases under Service Agreements primarily with companies of the Royal Dutch/Shell Group and other companies receiving technical advice and services from SIOP, SIEP
11、 or SIC. Consequently, three categories of users of DEPs can be distinguished: 1)Operating companies having a Service Agreement with SIOP, SIEP, SIC or other Service Company. The use of DEPs by these Operating companies is subject in all respects to the terms and conditions of the relevant Service A
12、greement. 2)Other parties who are authorized to use DEPs subject to appropriate contractual arrangements. 3)Contractors/subcontractors and Manufacturers/Suppliers under a contract with users referred to under 1) or 2) which requires that tenders for projects, materials supplied or - generally - work
13、 performed on behalf of the said users comply with the relevant standards. Subject to any particular terms and conditions as may be set forth in specific agreements with users, SIOP, SIEP and SIC disclaim any liability of whatsoever nature for any damage (including injury or death) suffered by any c
14、ompany or person whomsoever as a result of or in connection with the use, application or implementation of any DEP, combination of DEPs or any part thereof. The benefit of this disclaimer shall inure in all respects to SIOP, SIEP, SIC and/or any company affiliated to these companies that may issue D
15、EPs or require the use of DEPs. Without prejudice to any specific terms in respect of confidentiality under relevant contractual arrangements, DEPs shall not, without the prior written consent of SIOP and SIEP, be disclosed by users to any company or person whomsoever and the DEPs shall be used excl
16、usively for the purpose for which they have been provided to the user. They shall be returned after use, including any copies which shall only be made by users with the express prior written consent of SIOP and SIEP. The copyright of DEPs vests in SIOP and SIEP. Users shall arrange for DEPs to be he
17、ld in safe custody and SIOP or SIEP may at any time require information satisfactory to them in order to ascertain how users implement this requirement. All administrative queries should be directed to the DEP Administrator in SIOP. NOTE: In addition to DEP publications there are Standard Specificat
18、ions and Draft DEPs for Development (DDDs). DDDs generally introduce new procedures or techniques that will probably need updating as further experience develops during their use. The above requirements for distribution and use of DEPs are also applicable to Standard Specifications and DDDs. Standar
19、d Specifications and DDDs will gradually be replaced by DEPs. DEP 31.40.10.14-Gen. March 1994 Page 2 TABLE OF CONTENTS 1.INTRODUCTION.4 1.1SCOPE 4 1.2DISTRIBUTION, INTENDED USE AND REGULATORY CONSIDERATIONS4 1.3DEFINITIONS 4 1.4ABBREVIATIONS5 1.5CROSS-REFERENCES5 2.PIPELINE PRESSURES.6 2.1PRESSURE S
20、OURCES6 2.2OPERATING PRESSURE.6 2.3INCIDENTAL PRESSURE.6 2.4MAXIMUM ALLOWABLE PRESSURES.7 3.METHODS FOR OVERPRESSURE PROTECTION8 3.1OVERVIEW AND SELECTION.8 3.2COMPARISON OF METHODS.8 3.3SURGE PRESSURES.9 3.4THERMAL PRESSURES9 4.ENGINEERING REQUIREMENTS.10 4.1LOCATION 10 4.2PRESSURE SAFETY RELIEF10
21、4.3HIPS. 10 5.REQUIREMENTS FOR OPERATIONS13 5.1PRESSURE SAFETY RELIEF13 5.2HIPS. 13 6.REFERENCES14 FIGURES 15 DEP 31.40.10.14-Gen. March 1994 Page 3 1.INTRODUCTION 1.1SCOPE This is a new DEP which provides guidance and specifies minimum requirements for the protection of pipelines against overpressu
22、re. The following subjects are covered: -possible pipeline pressure sources; -requirements for determining pipeline operating and incidental pressures; -description of possible methods and guidance on selection; -minimum engineering, maintenance and inspection requirements. This DEP refers to DEP 31
23、.40.00.10-Gen. for determining allowable pipeline pressures. 1.2DISTRIBUTION, INTENDED USE AND REGULATORY CONSIDERATIONS Unless otherwise authorised by SIPM, the distribution of this DEP is confined to companies forming part of the Royal Dutch/Shell Group or managed by a Group company, and to Contra
24、ctorsnominatedbythem(i.e.thedistributioncodeis“C“asdefinedin DEP 00.00.05.05-Gen.). This DEP is intended for use by Functions in the Group that are involved in the design, material procurement, construction and operation of pipelines. If national and/or local regulations exist in which some of the r
25、equirements may be more stringent than in this DEP, the Contractor shall determine by careful scrutiny which of the requirements are the more stringent and which combination of requirements will be acceptable as regards safety, environmental, economic and legal aspects. In all cases, the Contractor
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