Torque mechanism for bridge plug
AssigneeBaker Hughes Oilfield Operations LLC
InventorsAndres Sosa, Jason Cullum, David Rabalais, Levi Oberg
Life of this patent
Estimating the term…
Abstract
A clutch mechanism of a downhole assembly and a method of operating the assembly in a borehole. The clutch mechanism includes a plug including a mandrel and a wall-engaging component, a sub of a ball valve, the sub coupled to the mandrel, a torque lock nut of the ball valve, the torque nut coupled to the wall-engaging component, and a clutch of the ball valve. The clutch is moved axially against the torque lock nut to engage the torque lock nut to the sub. A torque is applied on the clutch to rotate the sub of the ball valve via transmission of the torque from the clutch to the ball valve via the torque nut. Application of the torque against the sub actuates the ball valve.
Claims12
A method of operating an assembly in a borehole, comprising:
- setting the assembly in the borehole, the assembly including:
- a ball valve having a sub, a torque nut, and a clutch,
- a plug including a mandrel coupled to the sub and a wall-engaging component coupled to the torque nut,
- a retrieving head coupled to the ball valve, wherein the retrieving head includes a sleeve that extends over the ball valve to engage the clutch;
- moving the retrieving head axially relative to the ball valve to move the clutch axially against the torque lock nut to engage the torque lock nut to the sub;
- applying a torque on the clutch to transmit the torque from the clutch to the ball valve via the torque nut;
- and
- actuating the ball valve via the application of the torque against the sub.
A clutch mechanism of a downhole assembly, comprising:
- a plug including a mandrel and a wall-engaging component;
- a sub of a ball valve, the sub coupled to the mandrel;
- a torque lock nut of the ball valve, the torque nut coupled to the wall-engaging component;
- and
- a clutch of the ball valve configured to move axially against the torque lock nut to engage the torque lock nut to the sub, wherein a torque applied on the clutch is transmitted from the clutch to the ball valve via the torque nut to rotate the sub of the ball valve, thereby actuating the ball valve;
- and
- a retrieving head coupled to the ball valve, wherein the retrieving head is configured to move axially relative to the ball valve to move the clutch axially against the torque lock nut, wherein the retrieving head includes a sleeve that extends over the ball valve to engage the clutch.
Dependencies are inferred from the claim text.