Patent ID: 9464496
Filing Date: 2016-10-11
CPC Classification: E21B

Claim Text:
1. A downhole tool for removing a portion of a casing from a wellbore, comprising: a packoff device configured to selectively change from a first configuration in which flow is allowed through the packoff device to a second configuration blocking flow through the packoff device, the packoff device including a sealing element configured to seal an annulus formed between the downhole tool and a casing in a wellbore while the packoff device is in the first and second configurations; a spear coupled to the packoff device and configured to engage the casing to restrict relative movement between the downhole tool and the casing; a circulating sub coupled to the spear, the circulating sub having a port therein, the port extending at least partially in a radial direction and configured to be in fluid communication with the annulus; and a casing cutter coupled to the circulating sub and configured to cut the casing, wherein the packoff device is positioned above the spear, the circulating sub, and the casing cutter.