Analysis of Development Methods for
Gravel Envelope Wells

Table of Contents

Summary ............................................................................................................. i
Symbol Table ...................................................................................................... i
 
1.0.. INTRODUCTION ..................................................................................... 1
2.0 WELL DEVELOPMENT MODELS .......................................................... 2
2.1   Jetting ................................................................................................. 2
2.1.1   Mathematical Model of Jetting ................................................
 3
2.1.2   Laboratory Model Jetting .......................................................
 4
2.2   Line Swabbing .................................................................................... 5
2.3   Rocker Beam Swabbing ..................................................................... 7
2.4   Single Swab Mounted on Drill Pipe
with Injection Pumping Below the Swab ............................................
 8
2.5   Double Swabs Mounted on Drill Pipe
with Injection Pumping Between Swabs ............................................
 9
3.0 COMPARISONS OF DEVELOPMENT METHODS .............................. 10
3.1   Jetting ................................................................................................ 10
3.2   Line Swabbing ................................................................................... 11
3.3   Rocker Beam Swabbing ..................................................................... 13
3.4   Single Swab Mounted on Drill Pipe
with Injection Pumping Below the Swab ............................................
 13
3.5   Double Swabs Mounted on Drill Pipe
with Injection Pumping Between Swabs ............................................
 14
3.6   Performance Summary ....................................................................... 15
3.7   Conclusions ....................................................................................... 16
4.0 REFERENCES .......................................................................................... 16
APPENDIX A:   Mathematical Models for Development Methods .............. 17
APPENDIX B:   Analysis of Jetting Model Pack Materials .......................... 22

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