API 16R:1997

1 SCOPE
    1.1 Purpose
    1.2 Organization
2 REFERENCES
3 DEFINITIONS
    3.1 Function
    3.2 Nomenclature
    3.3 Design Types
4 DESIGN
    4.1 Service Classifications
    4.2 Riser Loading
    4.3 Determination of Stresses by Analysis
    4.4 Stress Distribution Verification Test
    4.5 Coupling Design Load
    4.6 Design for Static Loading
    4.7 Stress Amplification Factor
    4.8 Design Documentation
5 MATERIAL SELECTION AND WELDING
    5.1 Material Selection
    5.2 Welding
6 DIMENSIONS AND WEIGHTS
    6.1 Coupling Dimensions
    6.2 Coupling Weight
7 QUALITY CONTROL
    7.1 General
    7.2 Raw Material Conformance
    7.3 Manufacturing Conformance
8 TESTING
    8.1 Purpose
    8.2 Design Qualification Tests
9 MARKING
    9.1 Stamping
    9.2 Required Information
10 OPERATION AND MAINTENANCE MANUALS
    10.1 Equipment Description
    10.2 Guidelines for coupling Usage
    10.3 Maintenance Instructions
APPENDIX A - STRESS ANALYSIS
APPENDIX B - OPTIONAL QUALIFICATION TESTS
APPENDIX C - DESIGN FOR STATIC LOADING
Figures
1 Equivalent Round Models
C-1 Stress Distribution Across Section A-A
Tables
1 Minimum Mechanical Properties
2 Compatible BOP Bore and Riser Outer Diameter
    Combinations
3 Maximum Length of Elongated Slag Inclusion for
    Radiography
4 Reference Level Length - Maximum Amplitude of
    Slag indication for Ultrasonic Examinations

Covers the design, rating, manufacturing and testing of marine drilling riser couplings.