Remerciez-le!

Remerciez @Admin pour avoir partagé cet document gratuitement, de la manière la plus simple, en partageant sur les réseaux sociaux.

Multiphase design guide part1

PART I - MULTIPHASE PIPELINE SLUG CATCHER DESIGN GUIDE Multiphase Pipeline Design Guide CPTC NOVEMBER CPART I - MULTIPHASE PIPELINE SLUG CATCHER DESIGN GUIDE PART I TABLE OF CONTENTS SECTION - INTRODUCTION Objective and Scope De ?nition of Terms SECTION ?? OVERVIEW OF MULTIPHASE FLOW FUNDAMENTALS Design Criteria Velocity Guidelines Flow Regimes Pressure Gradient Frictional Losses Elevational Losses Acceleration Losses Allowable Pressure Drop Pressure Gradient Calculations Section Highlights SECTION ?? STEADY STATE DESIGN METHODS Pipeline Design Methods Steady State Simulators Phase Equilibrium and Physical Properties Pipeline Elevation Pro ?le Heat Transfer Recommended Methods for Pressure Drop Liquid Holdup and Flow Regime Prediction Interpretation of Results Section Highlights SECTION ?? TRANSIENT FLOW MODELING Transient Flow Modeling General Use of Transient Simulators CPTC NOVEMBER CPART I - MULTIPHASE PIPELINE SLUG CATCHER DESIGN GUIDE Section Highlights SECTION ?? SLUG FLOW ANALYSIS Slug Flow General Slug Length and Frequency Predictions Hydrodynamic Slugging Terrain Slugging Pigging Slugs Startup and Blowdown Slugs Rate Change Slugs Downstream Equipment Design for Slug Flow Section Highlights SECTION ?? EXAMPLE PROBLEMS Example Problem ?? Low Gas Oil Line Between Platforms Line Size Slug Length Prediction Slug Frequency and Length by Hill Wood Method Example Problem ?? Gas Condensate Line Table Wellstream Composition Table Pipeline Evaluation Pro ?le Pipeline Simulation Comparison SECTION ?? REFERENCES FIGURES I - I - I - I - I - I - I - I - I - I - I - Flow Regimes in Horizontal Flow Flow Regimes in Vertical Flow Horizontal Flow Regime Map Vertical Flow Regime Map Taitel-Dukler Liquid Holdup Predictions Stages in Terrain Slugging Pipeline Slugging Liquid Holdup for Example Year Inlet Pressure for Example Year Liquid Flowrate Out of Line Example Year Gas Flowrate Out of Line Example Year CPTC NOVEMBER CPART I - MULTIPHASE PIPELINE SLUG CATCHER DESIGN GUIDE I - Liquid Holdup Predictions for Example CPTC NOVEMBER CPART I - MULTIPHASE PIPELINE SLUG CATCHER DESIGN GUIDE SECTION - INTRODUCTION Objective and Scope The simultaneous ow of gas and liquid through pipes often referred to as multiphase ow occurs in almost every aspect of the oil industry Multiphase ow is present in well tubing gathering system pipelines and processing equipment The use of multiphase pipelines has become increasingly important in recent years due to the development of marginal ?elds and deep water prospects In many cases the feasibility of a design scenario hinges on cost and operation of the pipeline and its associated equipment Multiphase ow in pipes has been studied for more than years with signi ?cant improvements in the state of the art during the past years The best available methods can predict the operation of the pipelines much more accurately than those available only a few years ago The designer however has to know which methods to use in order to get the best results Part I of this guide consists of seven sections The fundamentals of multiphase ow in pipelines are discussed in Section The third section describes the use of steady state simulation methods This