Patent ID: 9068435
Filing Date: 2015-06-30
Classification: E21B

Abstract:
1. A method of spacing an inner string in a downhole assembly, the downhole assembly disposed in a borehole and having at least one first port for fluid communication out of the downhole assembly, the inner string deploying in the downhole assembly and having at least one second port for fluid communication out the inner string, the method comprising: installing an adjustment device on the inner string for running downhole, the adjustment device being collapsible to a plurality of fixed lengths; deploying the adjustment device and the inner string downhole in the downhole assembly; adjusting a length of the inner string while downhole by collapsing the adjustment device to one of the fixed lengths when bottoming out the inner string in the downhole assembly; pulling up the adjustment device and the inner string in the downhole assembly; maintaining the adjustment device in the one fixed length; and positioning the adjustment inner string in the downhole assembly with the at least one second port of the inner string spaced out a known distance relative to the at least one first port.