Casing alignment and cementing tool and method

Claim 1

IN A METHOD OF ALIGNING PARTED SECTIONS OF A CASING STRING IN A WELL BORE, THE STEPS COMPRISING: ASSEMBLING AN ALIGNING TOOL BENEATH AN EXPANDABLE PACKER ON THE LOWER END OF AND IN AXIAL ALIGNMENT WITH A PIPE STRING, SAID ALIGNING TOOL HAVING A LOWER END OF GENERALLY CONICAL CONFIGURATION, A TUBULAR ALIGNING WALL OF LESS DIAMETER THAN SAID CASING EXTENDING AXIALLY UPWARD FROM SAID LOWER END, AN AXIALLY EXTENDING PASSAGE COMMUNICATING WITH THE INTERIOR OF SAID PIPE STRING, AND A PLURALITY OF RADIALLY EXTENDING OPENINGS PROVIDING FLUID COMMUNICATION BETWEEN SAID PASSAGE AND THE EXTERIOR OF SAID TOOL; LOWERING SAID ALIGNING TOOL INTO SAID CASING STRING TO ALLOW SAID CONICAL END TO GUIDE SAID TOOL INTO THE LOWER PARTED SECTION OF SAID CASING STRING; POSITIONING SAID ALIGNING TOOL SO THAT THE ALIGNING WALL EXTENDS INTO AND SUBSTANTIALLY ALIGNS ADJACENT ENDS OF SAID PARTED SECTIONS; EXPANDING SAID PACKER INTO SEALING ENGAGEMENT WITH THE INNER WALL OF THE UPPER PARTED SECTION OF SAID CASING STRING; FORCING FLUID CEMENT UNDER PRESSURE DOWNWARDLY THROUGH SAID PIPE STRING INTO SAID PASSAGE OF SAID ALIGNING TOOL WHEREBY IT MAY PASS THROUGH SAID RADIALLY EXTENDING OPENINGS, BETWEEN ADJACENT ENDS OF SAID PARTED SECTIONS, AND INTO THE ANNULAR SPACE BETWEEN SAID PARTED SECTIONS AND THE ADJACENT WELL BORE WALL; ALLOWING SAID CEMENT TO RIGIDIFY IN SAID ANNULAR SPACE; DISCONNECTING SAID PIPE STRING FROM SAID PACKER AND TOOL AND WITHDRAWING IT FROM SAID CASING STRING; AND THEREAFTER DRILLING OUT SAID PACKER AND TOOL.