Patent ID: 8006753
Filing Date: 2011-08-30
Classification: E21B

Abstract:
1. A tool to direct fluids from a lifting assembly and a bore of a downhole tubular, the tool comprising: an engagement assembly configured to selectively extend and retract a seal assembly disposed at a distal end of the tool into and from a proximal end of the downhole tubular; and a valve assembly operable between an open position and a closed position; wherein the valve assembly is configured to allow fluids from the lifting assembly to enter the downhole tubular through the seal assembly when in the closed position; wherein the valve assembly is configured to allow fluids from the downhole tubular to be diverted from the lifting assembly when in the open position; wherein the valve assembly comprises a shuttle valve piston operable between a first position and a second position; and wherein the shuttle valve piston is configured to block a bypass port in the first position and the shuttle valve piston is configured to reveal the bypass port in the second position.