**Platform, Pipeline and Subsea Technology – Lecture Notes**

CONTENTS

Ultimate Strength Analysis of Fixed Platforms

1 Introduction

2 Types of Analysis

3 Pushover Analysis — the Fundamental Tool

Risk Based Design and Comparison of Working Stress Design (WSD), Load and Resistance Factored design (LRFD) and Reliability Based Limit State Design (RBLSD)

1 Introduction

2 Random Variables

2.1 Introduction

2.2 Loads and Resistances

2.3 Loads on Offshore Structures

3 Design Philosophies

3.1 Target Probability of Failure

3.2 Working Stress Design

3.3 Load and Resistance Factor Design (LRFD)

3.4 Limit States

Gravity base offshore structures

• Characteristics & Types of GBSs

• Key Issues in GBS Selection

• Steel & Concrete GBSs

• GBS Development

• Design

• Construction

• Oils Storage Systems

• Installation

• Summary

• The Future

Introduction to vessel stability

• Stability of Floating Vessels

• Classification of Ship Stability

• Criterion for Initial Stability

• Calculation of GM for Known Waterplane

• Wall-sided Vessel

• Static Stability Diagram (Transverse Stability)

Floating Offshore Systems

1. Introduction

2. System Types

3. Key Drivers

4. Key Features

Mooring Design of Floating Platforms

1. Introduction

2. System Types

3. Mooring Components

4. Design Considerations

5. Design Criteria

6. Design Methods

• Quasi – Static

• Dynamic

• Model Tests

Pipeline

• Overview of Submarine Pipeline and Riser Design

• Hydraulic Design, Internal Pressure Design & Material Selection

• Free Span Analysis

• Route Selection

• Upheaval Buckling

• External Pressure Collapse

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