Abstract: A downhole device and a method of performing an operation in a borehole. The downhole device includes an outer sleeve defining a bore therethrough, an inner sleeve disposed within the bore and axially movable with respect to the outer sleeve between a first position and a second position, the inner sleeve defining a flow passage, and a seat member in the flow passage for seating a ball when the inner sleeve is at the first position. A ball is seated at the seat member. A fluid pressure on the ball moves the inner sleeve from the first position to the second position, moves the seat member radially outward out of the flow passage when the inner sleeve is at the second position, and pushes the ball out of the flow passage.

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.

Abstract: A backup comprising a gage ring having frustoconical surface and a groove in the frustoconical surface. The backup further includes a segment having a nose engaged with the groove, the segment having an element portion with an overlap finger and a finger receptor and a gage portion with an overlap finger and a finger receptor. A wedge ring is in contact with the segment and a retainer member is disposed to retain the segment. A method for using the backup and a system are included.

Abstract: A backup including a gage ring having frustoconical surface and a groove in the frustoconical surface, a segment having a nose engaged with the groove, the segment having an overlap finger and a finger receptor, a wedge ring in contact with the segment, and a retainer member disposed to retain the segment. The downhole tool further comprising a second backup also adjacent the element and spaced from the first backup by the element. A borehole system including a borehole in a subsurface formation, a string dispose within the borehole, a backup disposed within or as a part of the string. A borehole system including a borehole in a subsurface formation, a string dispose within the borehole, a tool disposed within or as a part of the string.

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.

Abstract: A downhole device and a method of performing an operation in a borehole. The downhole device includes an outer sleeve defining a bore therethrough, an inner sleeve disposed within the bore and axially movable with respect to the outer sleeve between a first position and a second position, the inner sleeve defining a flow passage, and a seat member in the flow passage for seating a ball when the inner sleeve is at the first position. A ball is seated at the seat member. A fluid pressure on the ball moves the inner sleeve from the first position to the second position, moves the seat member radially outward out of the flow passage when the inner sleeve is at the second position, and pushes the ball out of the flow passage.

Abstract: A setting tool for setting a device within a wellbore. The setting tool includes first and second chambers within a housing. A piston separates the chambers and is moveable within the second chamber. The piston is initially positioned adjacent a first end of the second chamber. The setting tool includes a first aperture in communication with the second chamber. Wellbore fluid may enter the second chamber through the first aperture. As the piston moves towards the second end of the second chamber, wellbore fluid within the second chamber is forced out of the second chamber through the first aperture. Pressure within the first chamber vents from the first chamber through the first aperture when the piston moves past the first aperture within the second chamber. The housing may include a second aperture adjacent to the second end of the second chamber that permits wellbore fluid to enter and exit.

Abstract: A method of controllably disintegrating a downhole article comprises disposing a first article in a downhole environment, the first article being the downhole article to be disintegrated; disposing a second article in the downhole environment after the first article is disposed, the second article carrying a device, a chemical, or a combination comprising at least one of the foregoing; and disintegrating the first article with the device, chemical, or the combination comprising at least one of the foregoing from the second article.

Abstract: A system and method for confirming ignition of a fuel source in a wellbore. The system includes a tool, a fuel source associated with the tool, a control unit to ignite the fuel source, and a sensor to receive an ignition parameter corresponding to the fuel source. The ignition parameter indicates that ignition of the fuel source has occurred.

Abstract: A method of controllably disintegrating a downhole article comprises disposing a first article in a downhole environment, the first article being the downhole article to be disintegrated; disposing a second article in the downhole environment after the first article is disposed, the second article carrying a device, a chemical, or a combination comprising at least one of the foregoing; and disintegrating the first article with the device, chemical, or the combination comprising at least one of the foregoing from the second article.

Abstract: A power charge for a packer setting tool includes an outer casing and an amount of flammable material within the casing. A heating igniter is retained within the outer casing in contact with the flammable material. The heating igniter is energized by electrical power to heat it to a temperature that is sufficient to ignite the flammable material.

Abstract: Methods for actuating tools within a wellbore include disposing the tool and an associated tool actuator within the wellbore. The tool actuator includes an amount of flammable, non-explosive material and a heating igniter. The tool actuator actuates the tool by generating gases which create a pressure differential.

Abstract: A system and method for confirming ignition of a fuel source in a wellbore is disclosed. The system includes a tool, a fuel source associated with the tool, a control unit to ignite the fuel source, and a sensor to receive an ignition parameter.