Chapter 37: Specialised studies

37.1 Introduction 3
37.2 Flow Assurance Study 3
37.2.1 Flow Assurance consists of the following analyses 3
37.2.3 Applications 3
37.2.4 Software 3
37.2.5 Study results 4
37.2.6 Flow assurance – two separate but connected studies 4
37.2.6.1 Steady state flow assurance study 5
37.2.6.2 Transient state study includes the following scenarios 6
37.2.7 Design Data 7
37.2.8 Few Important Details 9
37.2.9 Surge analysis 9
37.2.9.1 Potential Surge Pressure Hazards 10
37.2.9.2 Pressure Wave Velocity 10
37.2.9.3 Surge Pressure Rise 14
37.2.9.4 Pressure Capability 15
37.2.9.5 Allowable Surge Pressure 15
37.2.9.6 Surge Mitigation Recommendations 16
37.3 Reliability, Availability and Maintainability Study (Ram Study) 22
37.3.1 Software used in RAM study 22
37.3.2 Software 23
37.3.3 Terms and definitions 23
37.3.4 Input Documents required for study 26
37.3.5 RAM Methodology 26
37.3.6 Reliability Data 26
37.3.7 Failure Rate Class Types 27
37.3.8 Failure Rate Pattern (“Bath Tub Curve”) 28
37.3.9 Maintainability 28
37.3.10 Availability 29
37.4 Multi Product Pipeline Batching Study 30
37.4.1 Types of Pipelines usages 30
37.4.2 Pipeline Batching 30
37.4.3 Units of measurement used in formulae 31
37.4.4 Terminology 31
37.4.5 Objective of a batching study 32
37.4.6 Basic Inputs Required for Study 32
37.4.7 Assumptions usually taken in study 32
37.4.8 Methodology 33
37.4.9 Case Study of Product Batching 38
37.5 References 55