Apparatus for installing and removing flow valves

Claim 2

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, and a downwardly directed actuating shoulder in the Body above the pocket for actuating a valve handling apparatus, said actuating shoulder positioned out of the open bore and above the pocket.

Claim 3

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket and positioned below the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, and a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus.

Claim 4

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket and positioned below the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, and a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus.

Claim 5

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus, and a valve handling apparatus comprising, a support body adapted to be moved in the well tubing, a longitudinal movable actuating key having an upwardly directed shoulder for coacting with the actuating shoulder in the mandrel and movably carried by the support body adjacent the top of the support body, a shifting tool pivotally supported from the support body for supporting a valve handling support, releasing means between the shifting tool and the actuating key for initially holding the shifting tool aligned in the open bore, shifting means connected to the shifting tool for shifting the shifting tool into position over the pocket when the releasing means is actuated, and an orientating key carried by the support body adjacent the lower end of the support body, said orientating key having an upwardly directed shoulder for coacting with the orientation sleeve for orientating the shifting tool and actuating key relative to the mandrel.

Claim 6

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus, and a valve handling apparatus comprising, a support body adapted to be moved in the well tubing, a longitudinal movable actuating key having an upwardly directed shoulder for coacting with the actuating shoulder in the mandrel and movably carried by the support body adjacent the top of the support body, a shifting tool pivotally supported from the support body for supporting a valve handling support, releasing means between the shifting tool and the actuating key for initially holding the shifting tool aligned in the open bore, shifting means connected to the shifting tool for shifting the shifting tool into position over the pocket when the releasing means is actuated, and an orientating key carried by the support body adjacent the lower end of the support body, said orientating key having an upwardly directed shoulder for coacting with the orientation sleeve for orientating the shifting tool and actuating key relative to the mandrel.

Claim 7

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus, and a valve handling apparatus comprising, a support body adapted to be moved in the well tubing, a movable body carried by and longitudinally movable relative to the support body, an actuating key having an upwardly directed shoulder and an inwardly and downwardly directed tapered face and pivotally carried at its lower end by the movable body for outward movement from the movable body for engagement with the downwardly directed actuating shoUlder in the mandrel, a shifting tool pivotally supported from the support body for supporting a valve handling support, releasing means on said movable body initially holding the shifting tool aligned in the open bore, shifting means connected to the shifting tool for shifting the shifting tool into the sidepocket when the releasing means is actuated, a second movable body carried by and longitudinally movable relative to the support body adjacent the lower end of the support, a guide key having an upwardly directed shoulder and an inwardly and downwardly directed tapered face and pivotally carried at its lower end by the second movable body for outward movement from the movable body and sized for engagement with the sleeve orientation slot for orientating the shifting tool and actuating key relative to the mandrel.

Claim 8

A tubing mandrel for use in a well tubing comprising, a mandrel body having connecting means at each end for connection in a well tubing and having an open bore for alignment with the well tubing, a valve pocket positioned in the body offset from the open bore, an orientation sleeve positioned in the open bore adjacent the pocket, said sleeve including a longitudinally directed orientation slot extending through said sleeve and angularly spaced from the axis of the pocket a predetermined amount, a guide surface positioned below such slot and directed upwardly toward the bottom of the slot for orientating a valve handling apparatus relative to the pocket, a downwardly directed actuating shoulder in the body above the pocket for actuating a valve handling apparatus, and a valve handling apparatus comprising, a support body adapted to be moved in the well tubing, a movable body carried by and longitudinally movable relative to the support body, an actuating key having an upwardly directed shoulder and an inwardly and downwardly directed tapered face and pivotally carried at its lower end by the movable body for outward movement from the movable body for engagement with the downwardly directed actuating shoUlder in the mandrel, a shifting tool pivotally supported from the support body for supporting a valve handling support, releasing means on said movable body initially holding the shifting tool aligned in the open bore, shifting means connected to the shifting tool for shifting the shifting tool into the sidepocket when the releasing means is actuated, a second movable body carried by and longitudinally movable relative to the support body adjacent the lower end of the support, a guide key having an upwardly directed shoulder and an inwardly and downwardly directed tapered face and pivotally carried at its lower end by the second movable body for outward movement from the movable body and sized for engagement with the sleeve orientation slot for orientating the shifting tool and actuating key relative to the mandrel.

Claim 9

A well valve handling system for use in placing a valve in or removing a valve from a well tubing comprising, a mandrel having an open bore therethrough and a valve receiving pocket offset from the bore and including an actuating shoulder above the pocket and an orientation sleeve having a slot therethrough in the bore below the pocket, and a valve handling apparatus including, a support body adapted to be moved in the well tubing, a movable body carried by and adjacent the top of the support body and longitudinally movable relative thereto, an actuating key pivotally connected to the movable body and having an upwardly directed shoulder and an inwardly and downwardly directed tapered face, spring means yieldably urging said actuating key outwardly for engagement with the actuating shoulder on upward movement of the support, a key retracting shoulder on the support body for retracting the actuating key when the support is moved upwardly relative to the movable body, spring means between said support body and the movable body yieldably urging said movable body upwardly relative to the support body, a shifting tool pivotally supported from the support body for supporting a valve support apparatus, releasing means on said movable body initially holding the shifting tool aligned in the open bore but releasable on movement of the movable body downwardly relative to the support body, shifting means connected to the shifting tool for shifting the shifting tool into the sidepocket when the releasing means is released, a second movable body carried by and adjacent the bottom of the support body below the shifting tool and longitudinally movable relative to the support body, an orienting key pivotally connected to the second movable body and having an upwardly directed shoulder and an inwardly and downwardly directed tapered face, spring means yieldably urging said orientating key outwardly for engagement with the orientating sleeve, an orientating key retracting shoulder on the support for retracting the orientating key when the support is moved upwardly relative to the movable body, and spring means between said support body and the second movable body yieldably uring said movable body upwardly relative to the support body.

Claim 10

A well valve handling system for use in placing a valve in or removing a valve from a well tubing comprising, a mandrel having an open bore therethrough and a valve receiving pocket offset from the bore and including an actuating shoulder above the pocket and an orientation sleeve having a slot therethrough in the bore below the pocket, and a valve handling apparatus including, a support body adapted to be moved in the well tubing, a movable body carried by and adjacent the top of the support body and longitudinally movable relative thereto, an actuating key pivotally connected to the movable body and having an upwardly directed shoulder and an inwardly and downwardly directed tapered face, spring means yieldably urging said actuating key outwardly for engagement with the actuating shoulder on upward movement of the support, a key retracting shoulder on the support body for retracting the actuating key when the support is moved upwardly relative to the movable body, spring means between said support body and the movable body yieldably urging said movable body upwardly relative to the support body, a shifting tool pivotally supported from the support body for supporting a valve support apparatus, releasing means on said movable body initially holding the shifting tool aligned in the open bore but releasable on movement of the movable body downwardly relative to the support body, shifting means connected to the shifting tool for shifting the shifting tool into the sidepocket when the releasing means is released, a second movable body carried by and adjacent the bottom of the support body below the shifting tool and longitudinally movable relative to the support body, an orienting key pivotally connected to the second movable body and having an upwardly directed shoulder and an inwardly and downwardly directed tapered face, spring means yieldably urging said orientating key outwardly for engagement with the orientating sleeve, an orientating key retracting shoulder on the support for retracting the orientating key when the support is moved upwardly relative to the movable body, and spring means between said support body and the second movable body yieldably uring said movable body upwardly relative to the support body.