Patent ID: 9702222
Date: 2017-07-11
CPC Classifications: E21B

Claim:
1. A multiple tool reverse flow system in a wellbore casing for use in a wellbore, said system comprising a plurality of catch-and-release tools and a catch-and-engage tool, wherein; said plurality of catch-and-release tools are configured to allow a restriction element to pass through in a downstream direction; said catch-and-release tools are configured to engage and then allow said restriction element to pass through in an upstream direction; said catch-and-engage tool is configured allow said restriction element to pass through only in a downstream direction; said catch-and-engage tool is configured to engage and restrict ravel of said restriction element in an upstream direction; said catch-and-engage tool is configured to form a seat on an upstream end of said catch-and-engage tool; and said catch-and-engage tool is positioned upstream of all of said plurality of catch-and-release tools.