Nondestructive Examination Services for Equipment Used in the Petroleum and Natural Gas Industry

API STANDARD 20D

FIRST EDITION, SEPTEMBER 2013

ADDENDUM 1, OCTOBER 2016

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Copyright © 2013 American Petroleum Institute

Foreword

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Contents

Page

1. Scope 1

   1. Purpose 1

   2. Applicability 1

2. Normative References 1

3. Terms and Definitions 3

4. Responsibilities and Duties 5

5. Personnel Qualification Requirements 5

6. Design 6

7. NDE Equipment and Calibration 6

   1. Inventory 6

   2. Calibration 6

8. Quality Control Records Requirements 6

   1. General 6

   2. Records Retention 7

9. NDE Processes, Equipment, and Qualification Requirements 7

   1. General 7

   2. Magnetic Particle Examination (MT) 7

   3. Liquid Penetrant Examination (PT) 10

   4. Ultrasonic Examination (UT) 14

   5. Radiographic Examination (RT) 19

Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Tables

1. Required Verification Intervals for Magnetic Particle Examination 7

2. Required Calibration Intervals for Magnetic Particle Examination 7

3. Requirements of a Magnetic Particle Examination Procedure 8

4. Required Calibration and Verification for Liquid Penetrant Examination 10

5. Requirements of a Liquid Penetrant Examination Procedure 11

6. Required Performance Tests and Frequency for Liquid Penetrant Systems 12

7. Calibration and Verification Requirements for Ultrasonic Examination Equipment 14

8. Requirements of an Ultrasonic Examination Procedure 16

9. Calibration and Verification Requirements for Radiographic Examination Equipment 18

10. Process Control Checks for Radiographic Examinations 20

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Nondestructive Examination Services for Equipment Used in the Petroleum and Natural Gas Industry

1. Scope

   
   

   1. Purpose

      
      

      This standard specifies requirements for the design, development, and qualification of nondestructive examination (NDE) methods used in the manufacturer of equipment for the petroleum and natural gas industries.

      
      

   2. Applicability

      
      

      This is applicable to suppliers providing NDE services for equipment used in the oil and natural gas industries. The requirements of this standard apply to magnetic particle, liquid penetrant, radiography, and ultrasonic methods of NDE.

      
      

2. Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

API Specification Q1, Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry

API Specification Q2, Specification for Quality Management System Requirements for Service Supply Organizations for the Petroleum and Natural Gas Industries

ASME Boiler and Pressure Vessel Code (BPVC) 1, Section V: Nondestructive Examination

ANSI/ASNT CP-106 2, Nondestructive Testing—Qualification and Certification of Personnel

ASNT SNT-TC-1A, Recommended Practice for Personnel Qualification and Certification in Nondestructive Testing

ASTM E428 3, Standard Practice for Fabrication and Control of Metal, Other Than Aluminum, Reference Blocks Used in Ultrasonic Testing

ASTM E1114, Standard Test Method for Determining the Size of Iridium-192 Industrial Radiographic Sources

ASTM E1165, Standard Test Method for Measurement of Focal Spots of Industrial X-Ray Tubes by Pinhole Imaging

ASTM E1316, Standard Terminology for Nondestructive Examinations

1. ASME International, 3 Park Avenue, New York, New York 10016-5990, www.asme.org.

2. American Society for Nondestructive Testing, 1711 Arlingate Lane, P.O. Box 28518, Columbus, Ohio 43228, www.asnt.org.

3. ASTM International, 100 Barr Harbor Drive, West Conshohocken, Pennsylvania 19428, www.astm.org.

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