Chapter 25
Drilling Risers
25.1 Introduction
25.2 Floating Drilling Equipment
25.2.1 Completion and Workover (C/WO) Risers
25.2.2 Diverter and Motion-Compensating Equipment
25.2.3 Choke and Kill Lines and Drill String
25.3 Key Components of Subsea Production Systems
25.3.1 Subsea Wellhead Systems
25.3.2 BOP
25.3.3 Tree and Tubing Hanger System
25.4.1 Operability Limits
25.4.2 Component Capacities
25.5 Drilling Riser Analysis Model
25.5.1 Drilling Riser Stack-Up Model
25.5.2 Vessel Motion Data
25.5.3 Environmental Conditions
25.5.4 Cyclic p-y Curves for Soil
25.6 Drilling Riser Analysis Methodology
25.6.1 Running and Retrieve Analysis
25.6.2 Operability Analysis
25.6.3 Weak Point Analysis
25.6.4 Drift-Off Analysis
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