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API 2P : 1987

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

RECOMMENDED PRACTICE FOR THE ANALYSIS OF SPREAD MOORING SYSTEMS FOR FLOATING DRILLING UNITS

Available format(s)

Hardcopy , PDF

Withdrawn date

19-02-2021

Language(s)

English

Published date

01-01-1987

Foreword
Policy
Section 1 - Basic considerations and data requirements
1.1 Basic considerations
1.2 Purpose of mooring analysis
1.3 Definitions
1.4 List of symbols
1.5 Environmental design criteria
1.6 Water depth
1.7 Soil condition
1.8 Mooring equipment
Section 2 - Mooring system
2.1 Mooring pattern
2.2 Type of mooring
Section 3 - Environmental forces and vessel motions
3.1 Basic considerations
3.2 Wind
3.3 Current
3.4 Steady drift force
3.5 Low frequency vessel motions
3.6 Wave frequency vessel motions
3.7 Oblique environment
Section 4 - Mooring design criteria
4.1 Offset
4.2 Maximum mooring line tension
4.3 Line length
4.4 Drag anchor holding power
4.5 Comments on mooring design criteria
Section 5 - Mooring analysis procedure
5.1 Basic considerations
5.2 Preliminary calculations
5.3 Mooring analysis procedure
Section 6 - Example analysis
6.1 Example definition
6.2 Mooring analysis for the maximum design condition
6.3 Mooring analysis for the maximum operating
     condition
6.4 Summary and discussion of mooring analysis results
6.5 Comments on the analysis for quartering environment
Section 7 - Selected bibliography

Gives a method for the analysis, design or evaluation of spread mooring systems used with floating drilling units. Coverage includes purpose of mooring analysis, list of symbols, environmental design criteria, low frequency vessel motions, wave frequency vessel motions, maximum mooring line tension, drag anchor holding power, comments on mooring design criteria, and mooring analysis for the maximum operating condition.

DocumentType
Standard
Pages
56
PublisherName
American Petroleum Institute
Status
Withdrawn

API 2FP1 : 1993 RECOMMENDED PRACTICE FOR DESIGN, ANALYSIS AND MAINTENANCE OF MOORINGS FOR FLOATING PRODUCTION SYSTEMS
07/30167130 DC : 0 BS ISO 13624-1 - PETROLEUM AND NATURAL GAS INDUSTRIES - DRILLING AND PRODUCTION EQUIPMENT - PART 1: DESIGN AND OPERATION OF MARINE DRILLING RISER EQUIPMENT

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