A METHOD OF CLEANING A WELL THAT IS CONTAMINATED BY ACCUMULATIONS OF SAND

摘要

In accordance with a method of servicing a well there isprovided a casing spool having an endless tubing access port.The endless tubing access port has a feed passage that extendstoward the first end and outwardly from the body. The feedpassage terminates in a flow valve. Endless tubing is extendedthrough the endless tubing access port while a tubing hangeris still in position supporting a tubing string. The endlesstubing passes along the central flow passage beside the tubingstring. Fluids are then pumped through the endless tubing topromote circulation within the well.