Patent ID: 9464501
Filing Date: 2016-10-11
CPC Classification: E21B

Claim Text:
1. A method for treating a well comprising: running a tubing string into an uncased, non-vertical section of a wellbore, the tubing string comprising: expanding radially outward the cup packer to seal against the wellbore wall in the uncased, non-vertical section of the wellbore, and create a first annular wellbore segment below the cup packer adjacent to the first port and a second annular wellbore segment above the cup packer adjacent to the second port; conveying a ball through the tubing string to pass through the first sliding sleeve to land in and seal against the seat of the second sliding sleeve moving the second sliding sleeve to the open port position permitting fluid flow through the second port; and pumping the fluid through the second port and into the second annular wellbore segment.