CONTENTS 



Page 



PREFACE 1 



CONTENTS 2 



LIST OF TABLES 4 



LIST OF FIGURES 5 



PART I: INTRODUCTION 7 



Background 7 



Problem Statement 12 



Report Organization 12 



PART II: STREAMER TRAP 14 



Description of the Streamer Trap 14 



Trap Operation 16 



Calculation of Sand Transport Rate 18 



PART III: HYDRAULIC EFFICIENCY TESTS 21 



Description of Facility and Equipment 21 



Test Conditions 27 



Hydraulic Test Results 31 



Summary of Hydraulic Test Results 37 



PART IV: SAND-TRAPPING EFFICIENCY TESTS 42 



Experiment Design 43 



Flow and Transport Conditions 45 



Sand-Trapping Efficiency Tests 52 



Ambient Sand Transport Rate 70 



Decision on Ambient Sand Transport Rate 73 



Sand-Trapping Efficiency Results 74 



PART V: FIELD EFFICIENCY TESTS 79 



Overview 80 



Consistency Tests 80 



Future Study 93 



PART VI: CONCLUSIONS AND RECOMMENDATIONS 96 



Conclusions 96 



Recommendations 98 



