NACE SP0116-2022

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NACE SP0116-2022

Revised May 6, 2022

Multiphase Flow Internal Corrosion

Direct Assessment (MP-ICDA)

Methodology for Pipelines

reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording,

or otherwise) without the prior written permission of AMPP.

NACE SP0116-2022

Multiphase Flow Internal Corrosion

Direct Assessment (MP-ICDA)

Methodology for Pipelines

This AMPP standard represents a consensus of those individual members who have reviewed this document, its scope,

and provisions. Its acceptance does not in any respect preclude anyone, whether he or she has adopted the standard

or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not in conformance with

this standard. Nothing contained in this AMPP standard is to be construed as granting any right, by implication or other-

wise, to manufacture, sell, or use in connection with any method, apparatus, or product covered by Letters Patent, or as

indemnifying or protecting anyone against liability for infringement of Letters Patent. This standard represents minimum

requirements and should in no way be interpreted as a restriction on the use of better procedures or materials. Neither

is this standard intended to apply in all cases relating to the subject. Unpredictable circumstances may negate the use-

fulness of this standard in specific instances. AMPP assumes no responsibility for the interpretation or use of this stan-

dard by other parties and accepts responsibility for only those official AMPP interpretations issued by AMPP in accor-

dance with its governing procedures and policies which preclude the issuance of interpretations by individual volunteers.

Users of this AMPP standard are responsible for reviewing appropriate health, safety, environmental, and regulatory

documents and for determining their applicability in relation to this standard prior to its use. This AMPP standard may

not necessarily address all potential health and safety problems or environmental hazards associated with the use of

materials, equipment, and/or operations detailed or referred to within this standard. Users of this AMPP standard are

also responsible for establishing appropriate health, safety, and environmental protection practices, in consultation with

appropriate regulatory authorities, if necessary, to achieve compliance with any existing applicable regulatory require-

ments prior to the use of this standard.

CAUTIONARY NOTICE: AMPP standards are subject to periodic review and may be revised or withdrawn at any time

in accordance with AMPP technical committee procedures. AMPP requires that action be taken to reaffirm, revise, or

withdraw this standard no later than five years from the date of initial publication and subsequently from the date of each

reaffirmation or revision. The user is cautioned to obtain the latest edition. Purchasers of AMPP standards may receive

current information on all standards and other AMPP/NACE/SSPC publications by contacting AMPP Customer Support,

15835 Park Ten Place, Houston, Texas 77084-5145 (Tel: +1 281-228-6200, email: customersupport@ampp.org).

Document History

2022-05-06: Revised by AMPP Standards Committee (SC) 10, “Asset Integrity Management”

2016-02-12: Developed by NACE Task Group (TG) 426,

“Internal Corrosion Direct Assessment for Multiphase Flow Pipelines”

AMPP values your input. To provide feedback on this standard, please contact: standards@ampp.org

NACE SP0116-2022

Multiphase Flow Internal Corrosion

Direct Assessment (MP-ICDA)

Methodology for Pipelines

Foreword, Scope, Rationale ........................................................................................................................................... 5

Section 1 General .................................................................................................................................................... 6

1.1 Introduction ................................................................................................................................. 6

1.2 Four-Step Process...................................................................................................................... 7

Section 2 Definitions .............................................................................................................................................................. 13

Section 3 MP-ICDA Step 1—Pre-Assessment ....................................................................................................... 16

3.1 Introduction ............................................................................................................................... 16

3.2 Data Collection ......................................................................................................................... 16

3.3 MP-ICDA Feasibility Assessment ............................................................................................. 20

3.4 Identification of MP-ICDA Segments .................................................................................................. 21

3.5 Identification of MP-ICDA Regions ..................................................................................................... 21

Section 4 MP-ICDA Step 2—Indirect Inspection ..................................................................................................... 21

4.1 Introduction ............................................................................................................................... 21

4.2 Flow and Corrosion Rate Modeling ........................................................................................... 23

4.3 Internal Corrosion Predictive Models – Integrated Flow and Corrosion Models ........................ 24

4.4 Identification of MP-ICDA Subregions................................................................................................ 25

4.5 Assessment Site Selection ....................................................................................................... 25

Section 5 MP-ICDA Step 3—Detailed Examination ................................................................................................ 30

5.1 Introduction ............................................................................................................................... 30

5.2 Performing the Detailed Examination Process ......................................................................... 32

5.3 Assessment Site Exposure ....................................................................................................... 33

Section 6 MP-ICDA Step 4—Post-Assessment ...................................................................................................... 34

6.1 Introduction ............................................................................................................................... 34

6.2 Validation of the Process .......................................................................................................... 34

6.3 Assessment of MP-ICDA Long-Term Effectiveness .................................................................. 34

6.4 Determination of Re-assessment Intervals ............................................................................... 35

Section 7 MP-ICDA Records .................................................................................................................................. 35

7.1 Introduction ............................................................................................................................... 35

7.2 Pre-assessment ........................................................................................................................ 35

7.3 Indirect Inspection .................................................................................................................... 35

7.4 Detailed Examinations .............................................................................................................. 35

7.5 Post-assessment ...................................................................................................................... 36

References ................................................................................................................................................................... 36

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摘要：

NACE SP0116-2022 是由国际腐蚀工程师协会（NACE International，现为AMPP）发布的最新版标准规范，全称为“Standard Practice: Corrosion Management of Oil and Gas Production Facilities”。该标准为石油和天然气生产设施的腐蚀管理提供了系统化的技术框架与实施指南，涵盖了风险评估、监控方法、材料选择、防护措施及持续改进策略等关键环节。NACE SP0116-2022 适用于海上与陆上油气生产系统

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