Hydraulically set liner hanger and running tool with backup mechanical setting means

An apparatus for running, setting and anchoring a liner in a well bore casing, said apparatus being connectable to a tubular member extendible thereabove to the top of the well, said apparatus comprising:

• a longitudinally shiftable tubular body;
• expander means caarried by said tubular body;
• lower connection means on said tubular body for connecting the tubular body to a linera therebelow;
• sleeve means mounted on said tubular body and operably associatable with said tubular body upon longitudinal shifting of said tubular body with respect to said sleeve means;
• gripping means carried on said sleeve means engagable by said expander means and movable outwardly into gripping engagement with said well bore casing;
• drag means slidable longitudinally along said casing for resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said tubular body and said sleeve means therebelow;
• and setting means responsive to at least one of fluid pressure and mechanical manipulation, said setting means including slot means and carriage means initially selectively engaged to said slot means for travel within said slot means to shift said longitudinally shiftable tubular body with respect to said sleeve means to anchor said liner in said well bore and on said casing, said setting means further comprising a radially extending annular piston chamber, a piston element in said chamber responsive to selectively disengage said carriage means, and means for selective entrapment of fluid pressure within said apparatus.

A method of running, setting and anchoring a liner in a well bore casing, comprising the steps of:

• (1) inserting within said well bore an apparatus connectible to a tubular member extendible to the top of the well thereof, said apparatus comprising:
• an inner longitudinally extending body;
• an outer longitudinally extending body around said inner body;
• connecting means on one of said inner and outer bodies for connection of a liner therebelow;
• expander means carried on one of said inner and outer bodies;
• gripping means carried on the other of said inner and outer bodies and engagable with said expander means whereby said gripping means are shifted into gripping engagement with said casing;
• a manipulatable tubular running tool releasably secured to said inner and outer bodies;
• drag means mounted on said running tool slidable longitudinally along said casing;
• means for selective disengagement of said running tool from said inner and outer bodies;
• and setting means responsive to each of fluid pressure and mechanical manipulation and carried on said running tool to longitudinally shift one of said inner and outer bodies with respect to the other of said inner and outer bodies to anchor said liner to said casing, said drag means resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said inner and outer bodies therebelow and to afford operation of said setting means during response to mechanical manipulation, said setting means including a slotted member;
• carriage means initially selectively engaged to said slotted member for travel within said slotted member upon manipulation of said running tool to shift one of said inner and outer longitudinally extending bodies with respect to the other of said inner and outer longitudinally extending bodies to anchor said liner to said casing;
• a radially extending annular pressure chamber open to the interior of said running tool;
• a piston member sealably mounted to said running tool and within said chamber and responsive to selectively disengage said carriage means;
• and means for selectively entrapping fluid within said apparatus;
• (2) running said apparatus in said well to a positionable depth within said well bore adjacent said casing;
• (3) applying pressure within said apparatus to activate said setting means to cause said carriage means to travel in said slot means to position for anchoring said liner within said well bore and on said casing and for shifting said longitudinally shiftable tubular body upwardly with respect to said sleeve means to cause said expander means carried by said tubular body to engage said gripping means carried on said sleeve means and move said gripping means outwardly into gripping engagement with said well bore casing;
• and (4) rotating said tubular member extendible to the top of the well to release said tubular running tool from said longitudinally shiftable body for subsequent retrieval of said running tool out of said well bore.

A method of running, setting and anchoring a liner in a well bore casing, comprising the steps of:

• (1) inserting within said well bore an apparatus connectible to a tubular member extendible to the top of the well thereof, said apparatus comprising:
• an inner longitudinally extending body;
• an outer longitudinally extending body around said inner body;
• connecting means on one of said inner and outer bodies for connection of a liner therebelow;
• expander means carried on one of said inner and outer bodies;
• gripping means carried on the other of said inner and outer bodies and engagable with said expander means whereby said gripping means are shifted into gripping engagement with said casing;
• a manipulatable tubular running tool releasably secured to said inner and outer bodies;
• drag means mounted on said running tool slidable longitudinally along said casing;
• means for selective disengagement of said running tool from said inner and outer bodies;
• and setting means responsive to at least one of fluid pressure and mechanical manipulation and carried on said running tool to longitudinally shift one of said inner and outer bodies with respect to the other of said inner and outer bodies to anchor said liner to said casing, said drag means resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said inner and outer bodies therebelow and to afford operation of said setting means during response to mechanical manipulation, said setting means including a slotted member;
• carriage means initially selectively engaged to said slotted member for travel within said slotted member upon manipulation of said running tool to shift one of said inner and outer longitudinally extending bodies with respect to the other of said inner and outer longitudinally extending bodies to anchor said liner to said casing;
• a radially extending annular pressure chamber open to the interior of said running tool;
• a piston member sealably mounted to said running tool and within said chamber and responsive to selectively disengage said carriage means;
• and means for selectively entrapping fluid within said apparatus;
• (2) running said apparatus in said well to a positionable depth within said well bore adjacent said casing;
• (3) applying pressure within said apparatus to activate said setting means to cause said carriage means to travel in said slot means to position for anchoring said liner within said well bore and on said casing and for shifting said longitudinally shiftable tubular body upwardly with respect to said sleeve means to cause said expander means carried by said tubular body to engage said gripping means carried on said sleeve means and move said gripping means outwardly into gripping engagement with said well bore casing;
• and (4) rotating said tubular member extendible to the top of the well to release said tubular running tool from said longitudinally shiftable body for subsequent retrieval of said running tool out of said well bore.

A method of running, setting and anchoring a liner in a well bore casing, comprising the steps of:

• (1) inserting within said well bore an apparatus connectible to a tubular member extendible to the top of the well thereof, said apparatus comprising:
• an inner longitudinally extending body;
• an outer longitudinally extending body around said inner body;
• connecting means on one of said inner and outer bodies for connection of a liner therebelow;
• expander means carried on one of said inner and outer bodies;
• gripping means carried on the other of said inner and outer bodies and engagable with said expander means whereby said gripping means are shifted into gripping engagement with said casing;
• a manipulatable tubular running tool releasably secured to said inner and outer bodies;
• drag means mounted on said running tool slidable longitudinally along said casing;
• means for selective disengagement of said running tool from said inner and outer bodies;
• and setting means responsive to at least one of fluid pressure and mechanical manipulation and carried on said running tool to longitudinally shift one of said inner and outer bodies with respect to the other of said inner and outer bodies to anchor said liner to said casing, said drag means resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said inner and outer bodies therebelow and to afford operation of said setting means during response to mechanical manipulation, said setting means including a slotted memmber;
• carriage means initially selectively engaged to said slotted member for travel within said slotted member upon manipulation of said running tool to shift one of said inner and outer longitudinally extending bodies with respect to the other of said inner and outer longitudinally extending bodies to anchor said liner to said casing;
• a radially extending annular pressure chamber open to the interior of said running tool;
• a piston member sealably mounted to said running tool and within said chamber and responsive to selectively disengage said carriage means;
• and means for selectively entrapping fluid within said apparatus;
• (2) running said apparatus in said well to a positionable depth within said well bore adjacent said casing;
• (3) applying pressure within said apparatus to activate said setting means to cause said carriage means to travel in said slot means to position for anchoring said liner within said well bore and on said casing and for shifting said longitudinally shiftable tubular body upwardly with respect to said sleeve means to cause said expander means carried by said tubular body to engage said gripping means carried on said sleeve means and move said gripping means outwardly into gripping engagement with said well bore casing;
• (4) rotating said tubular member extendible to the top of the well to release said tubular running tool from said longitudinally shiftable body for subsequent retrieval of said running tool out of said well bore;
• and (5) injecting within said tubular member extendible to the top of the well a cement slurry pumpable through said tubular member, said apparatus and said liner, for subsequent setting in said well bore between said well bore and said liner to affix said liner in said well bore.

A method of running, setting and anchoring a liner in a well bore casing, comprising the steps of:

• (1) inserting within said well bore an apparatus connectible to a tubular member extendible to the top of the well thereof, said apparatus comprising:
• a longitudinally shiftable tubular body;
• expander means carried by said tubular body;
• lower connection means on said tubular body for connecting the tubular body to a liner therebelow;
• sleeve means mounted on said tubular body and operably associatable with said tubular body upon longitudinal shifting of said tubular body with respect to said sleeve means;
• gripping means carried on said sleeve means engagable by said expander means and movable outwardly into gripping engagement with said well bore casing;
• drag means slidable longitudinally along said casing for resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said tubular body and said sleeve means therebelow;
• and setting means responsive to at least one of fluid pressure and mechanical manipulation, said setting means including slot means and carriage means initially selectively engaged to said slotted member for travel within said slot means to shift said longitudinally shiftable tubular body with respect to said sleeve means to anchor said liner in said well bore and on said casing, said setting means further comprising a radially extending annular piston chamber, and a piston element in said chamber responsive to selectively disengage said carriage means, and means for selective entrapment of fluid within said apparatus;
• (2) running said apparatus in said well to a positionable depth within said well bore adjacent said casing;
• (3) applying pressure within said apparatus to activate said setting means to cause said carriage means to travel in said slot means to position for anchoring said liner within said well bore and on said casing and for shifting said longitudinally shiftable tubular body upwardly with respect to said sleeve means to cause said expander means carried by said tubular body to engage said gripping means carried on said sleeve means and move said gripping means outwardly into gripping engagement with said well bore casing;
• (4) rotating said tubular member extendible to the top of the well to release said tubular running tool from said longitudinally shiftable body for subsequent retrieval of said running tool out of said well bore;
• and (5) discharge of said pressure contained in said apparatus through said means for selective entrapment of fluid within said apparatus.

A method of running, setting and anchoring a liner in a well bore casing, comprising the steps of:

• (1) inserting within said well bore and apparatus connectible to a tubular member extendible to the top of the well thereof, said apparatus comprising:
• a longitudinally shiftable tubular body;
• expander means carried by said tubular body;
• lower connection means on said tubular body for connecting the tubular body to a liner therebelow;
• sleeve means mounted on said tubular body and operably associatable with said tubular body upon longitudinal shifting of said tubular body with respect to said sleeve means;
• gripping means carried on said sleeve means engagable by said expander means and movable outwardly into gripping engagement with said well bore casing;
• drag means slidable longitudinally along said casing for resisting longitudinal travel of said apparatus while in said well bore with sufficient frictional force to support the weight of one of said tubular body and said sleeve means therebelow;
• and setting means responsive to at least one of fluid pressure and mechanical manipulation, said setting means including slot means and carriage means initially selectively engaged to said slotted member for travel within said slot means to shift said longitudinally shiftable tubular body with respect to said sleeve means to anchor said liner in said well bore and on said casing, said setting means further comprising a radially extending annular piston chamber, and a piston element in said chamber responsive to selectively disengage said carriage means, and means for selective entrapment of fluid within said apparatus;
• (2) running said apparatus in said well to a positionable depth within said well bore adjacent said casing;
• (3) applying pressure within said apparatus to activate said setting means to cause said carriage means to travel in said slot means to position for anchoring said liner within said well bore and on said casing and for shifting said longitudinally shiftable tubular body upwardly with respect to said sleeve means to cause said expander means carried by said tubular body to engage said gripping means carried on said sleeve means and move said gripping means outwardly into gripping engagement with said well bore casing;
• (4) rotating said tubular member extendible to the top of the well to release said tubular running tool from said longitudinally shiftable body for subsequent retrieval of said running tool out of said well bore;
• (5) discharge of said pressure contained in said apparatus through said means for selective entrapment of fluid within said apparatus;
• and (6) injecting within said tubular member extendible to the top of the well a cement slurry pumpable through said tubular member, said apparatus and said liner, for subsequent setting in said well bore between said well bore and said liner to affix said liner in said well bore.

A running tool for setting a liner hanger in a well bore by one of hydraulic and mechanical means, said liner hanger having inner and outer longitudinally extending bodies, one of said bodies being shiftable longitudinally by said running tool with respect to the other of said bodies, said running tool being selectively engagable to said bodies, said running tool comprising:

• drag means mounted on the exterior of said running tool and circumferentially extending therearound for resisting longitudinal travel of said liner hanger while in said well bore with sufficient frictional force to support the weight of one of said inner and outer bodies therebelow during mechanical manipulagtion;
• setting means carried on said running tool responsive to manipulation of said running tool during one of hydraulic and mechanical activation thereof to longitudinally shift one of said inner and outer bodies to anchor said liner hanger in said well, said drag means affording operation of said setting means during mechanical activation of said running tool;
• releasing means operable between said running tool and said inner and outer bodies for selective disengagement of said running tool from said bodies;
• slot and carriage means included within said setting means initially selectively engaged to said slot means for travel within said slot means to shift said longitudinally shiftable tubular body with respect to said sleeve means to anchor said liner in said well bore and on said casing, said setting means further comprising a radially extending annular piston chamber, and a piston element in said chamber responsive to selectively disengage said carriage means.