Liner hanger and packer construction

Claim 1

A STRUCTURE OF THE CHARACTER REFERRED TO INCLUDING, AN ELONGATE CASING IN A WELL BORE, A LINER HANGER IN SAID CASING INCLUDING, AN ELONGATE CYLINDRICAL BODY HAVING UPPER AND LOWER ENDS AND A CENTRAL FLOW PASSAGE, A TUBULAR LINER FIXED TO AND DEPENDING FROM THE LOWER END OF THE BODY, AND ELONGATE SLIP BARREL HAVING UPPER AND LOWER ENDS SLIDABLY ENGAGED ABOUT THE EXTERIOR OF THE BODY AND HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED CASING ENGAGING SLIPS ABOUT ITS EXTERIOR, SAID SLIPS BEING SHIFTABLE UPWARDLY AND RADIALLY OUTWARDLY FROM AN UNACTUATED POSITION WHERE THEY ARE CLEAR OF THE CASING TO AN ACTUATED POSITION WHERE THEY ENGAGE THE CASING, A SETTING TOOL TO RELEASABLY HOLD THE BODY UP IN AN ACTUATED POSITION IN THE BARREL AND TO RELEASABLY HOLD THE SLIPS IN THEIR UNACTUATED POSITION INCLUDING, AND ELONGATE MANDREL FIXED TO AND DEPENDING FROM A RUN-IN STRING EXTENDING INTO SAID CASING, A NUT IN DRIVING ENGAGEMENT ON THE MANDREL AND THREADEDLY ENGAGED IN THE UPPER END OF THE BODY, A SLEEVE ROTATABLY CARRIED BY THE NUT AND ENGAGING THE UPPER END OF THE BARREL AND SLIP ENGAGING FINGERS CARRIED BY THE SLEEVE AND RELEASABLY HOLDING THE SLIPS DOWN IN THEIR UNACTUATED POSITION, SAID TOOL BEING OPERABLE TO ROTATE THE NUT OUT OF ENGAGEMENT WITH THE BODY AND TO SHIFT THE SLEEVE AND THE FINGERS OUT OF ENGAGEMENT WITH THE BARREL AND THE SLIPS, WHEREBY THE SLIPS ARE ACTUATED TO ENGAGE THE CASING AND THE BODY IS FREE TO SHIFT DOWNWARDLY RELATIVE TO THE BARREL, AN ELONGATE TUBULAR PACKER CAGE HAVING AN UPPER PORTION FIXED TO THE LOWER END OF THE BARREL, A CENTRAL PORTION HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED SLOT OPENINGS DEFINING A PLURALITY OF CIRCUMFERENTIALLY SPACED LONGITUDINAL WALL PORTIONS AND AN ENLARGED LOWE PORTION DEFINING AN UPWARDLY DISPOSED SHOULDER, SAID CAGE HAVING A STRAIGHT CYLINDRICAL BORE SLIDABLY RECEIVING THE PORTION OF THE BODY DEPENDING FROM THE BARREL, SAID WALL PORTION OF THE CAGE BEING ARCUATE IN CROSSSECTION AND ESTABLISHING SLIDING BEARING SUPPORT ABOUT ADJACENT PORTIONS OF THE BODY, AND ELONGATE DEFORMABLE PACKING SLEEVE HAVING UPPER AND LOWER ENDS SLIDABLY ENGAGED ABOUT THE EXTERIOR OF THE CENTRAL PORTION OF THE CAGE AND HAVING RIB-LIKE PORTIONS PROJECTING INTO THE OPENINGS IN THE CAGE TO ENGAGE THE BODY, SAID PACKING SLEEVE BEING OF LESS LONGITUDINAL EXTEND THAN THE CENTRAL PORTION OF THE CAGE AND POSITIONED WITH ITS LOWER END IN BEARING ENGAGEMENT ON THE SHOULDER, AN ANNULAR ACTUATING RING HAVING A PLURALITY OF RADIALLY INWARDLY PROJECTING LUGS SLIDABLY ENGAGED ABOUT THE CENTRAL PORTION OF THE CAGE TO OCCUR ADJACENT THE UPPER END OF THE PACKER SLEEVE AND WITH THE LUGS PROJECTING THROUGH THE OPENINGS IN THE CAGE AND FIXED TO THE BODY, SAID ACTUATING RING BEING THE SAME IN CROSS-SECTIONAL CONFIGURATION AS THE PACKES SLEEVE WHEREBY, UPON DOWNWARD SHIFTING OF THE BODY AND THE RING, THE WEIGHT OF THE LINER AND BODY IS EXERTED ON THE PACKER SLEEVE TO COMPRESS IT BETWEEN THE ACTUATING RING AND THE SHOULDER ON THE CAGE AND DISTEND IT RADIALLY INWARDLY AND OUTWARDLY INTO SEALING ENGAGEMENT WITH THE WALL PORTIONS OF THE CAGE, THE PORTIONS OF THE BODY BETWEEN THE WALL PORTIONS OF THE CAGE AND THE CASING, SAID ACTUATING RING SLIDABLY ENGAGING AND HOLDING SAID WALL PORTIONS OF THE CAGE IN SLIDING BEARING ENGAGEMENT ON THE BODY, AND SEALING MEANS CARRIED BY THE LOWER PORTION OF THE CAGE BELOW THE SLOTS IN THE CAGE AND SEALING WITH THE BODY, SAID SEALING MEANS INCLUDING A DOWNWARDLY OPENING SOCKET IN THE LOWER END OF THE CAGE, AN ANNULAR PACKING RING IN THE SOCKET ENGAGING THE BODY AND A FOLLOWER NUT THREADLY ENGAGED IN THE SOCKET TO ENGAGE AND RETAIN THE PACKING RING.