Matheny; Anthony F. - US Patent Attorneys and Agents

Attorney: Matheny; Anthony F.

Number of patents: 76
Last date: February 28, 2012

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Number	Title	Issue Date
8122960	Spoolable coiled tubing spear for use in wellbores and methods of using same Coiled tubing spears for retrieving a section of cut coiled tubing comprises a mandrel having attachment members, e.g., spears, at upper and lower ends for facilitating connection of the upper end of the mandrel to a spooled section of coiled tubing and the lower en...	02/28/2012
8002044	Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. A moveable cover is disposed interior to the slip thereby restricting movement of the slip from a unset position to a set position. The liner...	08/23/2011
7971645	Four mill bottom hole assembly Bottom hole assemblies for cutting windows in wellbore casing comprise a window mill, a first upper mill, a second upper mill, and a third upper mill. The first mill has an outer diameter that is smaller than the outer diameters of the window mill and the second and...	07/05/2011
7954555	Full function downhole valve and method of operating the valve Downhole valves comprise a housing having a bore, a port, upper and lower recesses disposed in an inner wall surface of the bore, the upper recess disposed above the port and the lower recess disposed below the port, and upper and lower pistons disposed in the bore....	06/07/2011
7931093	Method and system for anchoring and isolating a wellbore Downhole tools for anchoring and isolating at least one zone in a wellbore comprise a mandrel having an upper end, a lower end, an outer wall surface, and a longitudinal bore disposed therethrough having an axis. One or more anchors are disposed through the outer wa...	04/26/2011
7886818	Expandable packer system The expandable casing packing element systems for cased and open-hole wellbores include an expandable casing member having a sealing device comprising a sealing element disposed between at least two retainer rings. The retainer rings have flat cross-sections and the...	02/15/2011
7845402	Expandable packer system The expandable casing packing element systems for cased and open-hole wellbores include an expandable casing member having a sealing device comprising a sealing element disposed between at least two retainer rings. The retainer rings have flat cross-sections and the...	12/07/2010
7819193	Parallel fracturing system for wellbores Downhole fracturing tools comprise upper and lower isolation devices and a housing disposed in between. The housing comprises a housing bore that is divided into two chambers isolated from each other within the housing bore. The upper bore is in fluid communication ...	10/26/2010
7815032	Pipe roller assembly Roller assemblies for transporting and laterally shifting pipe section, or joints, on oil and gas exploration and production laybarges, drilling/production vessels and platforms, and pipe spooling yards are disclosed. The roller assemblies comprise rollers that are ...	10/19/2010
7806192	Method and system for anchoring and isolating a wellbore Downhole tools for anchoring and isolating at least one zone in a wellbore comprise a mandrel having an upper end, a lower end, an outer wall surface, and a longitudinal bore disposed therethrough having an axis. One or more anchors are disposed through the outer wa...	10/05/2010
7793733	Valve trigger for downhole tools An actuator device for setting a downhole tool comprises a piston disposed in an upper reservoir of the device, the piston comprising two actuation areas upon which pressure acts to move the piston. The upper reservoir is in fluid communication with a lower reservoi...	09/14/2010
7775286	Convertible downhole devices and method of performing downhole operations using convertible downhole devices A convertible downhole device comprises at least one sacrificial material to provide two or more configurations so that two or more different operations or functions are performable by the downhole device, one in which the sacrificial material is fully intact and an...	08/17/2010
7762324	Bypass crossover sub selector for multi-zone fracturing processes Fracturing tools for fracturing multiple zones of a wellbore are disclosed. In certain embodiments, the fracturing tools comprise two or more crossover subs coupled together and having a crossover sub window alignment assembly operatively associated with either an i...	07/27/2010
7757762	Downhole tools having screens for insertion into gravel disposed in wellbores and methods of installing same Downhole tools for gravel pack completion processes in wellbores comprise a screen, an isolation device comprising a sealing element disposed above the screen, and an artificial lifting device disposed above the isolation device. Upon actuation, the sealing element ...	07/20/2010
7748468	Sealing devices having a metal foam material and methods of manufacturing and using same Sealing devices such as packers comprise a metal foam material disposed on a surface. The metal foam material comprises an initial position comprising a plurality of pockets each having an initial volume and a compressed position in which at least one of the initial...	07/06/2010
7726406	Dissolvable downhole trigger device A trigger device for setting a downhole tool is disclosed. The trigger device includes a retaining member that prevents the downhole tool from setting until it is properly positioned within the well. Regardless of the type of downhole tool or the type of trigger dev...	06/01/2010
7717178	Screen coupler for modular screen packs A coupler for gravel packing completions comprising an annular member having an upper end, a lower end, at least one flange disposed along an inner wall surface of the annular member intermediate the upper and lower ends, and at least one deformable portion is discl...	05/18/2010
7703542	Expandable packer system The expandable casing packing element systems for cased and open-hole wellbores include an expandable casing member having a sealing device comprising a sealing element disposed between at least two retainer rings. The retainer rings have flat cross-sections and the...	04/27/2010
7703510	Interventionless multi-position frac tool Fracturing tools for use in oil and gas wells are disclosed. The fracturing tools have a run-in position and two operational positions. A sleeve disposed in the bore of the fracturing tool comprises a sleeve port alignable with a first port in the housing of the fra...	04/27/2010
7699110	Flow diverter tool assembly and methods of using same A flow diverter tool assembly is employed for flushing debris from a portion of the bore of a subsea production tree. The flow diverter tool assembly has a housing having a passageway there-through and a seal disposed on an exterior surface of the housing. The seal ...	04/20/2010
7673677	Reusable ball seat having ball support member Apparatuses for restricting fluid flow through a well conduit comprise a housing having a longitudinal bore and a reusable seat disposed within the bore. The seat comprises a slidable element, a fixed element, a plug element support member, a seat inner diameter, an...	03/09/2010
7669661	Thermally expansive fluid actuator devices for downhole tools and methods of actuating downhole tools using same An actuator device for setting a downhole tool is disclosed. The actuator device comprises a thermally expansive fluid within a chamber. Application of heat to the thermally expansive fluid causes the thermally expansive fluid to expand. In so doing, pressure within...	03/02/2010
7644772	Ball seat having segmented arcuate ball support member Apparatuses for restricting fluid flow through a well conduit comprise a housing having a longitudinal bore and a seat disposed within the bore. The seat has a first position when the apparatus is in the run-in position and a second position when the apparatus is in...	01/12/2010
7637323	Ball seat having fluid activated ball support Apparatuses for closing a well conduit comprise a housing having a longitudinal bore and a seat disposed within the bore. A chamber is disposed within the housing and includes a plug element support member, such as ram or piston, operatively associated within the ch...	12/29/2009
7635033	Downhole abrading tool having taggants for indicating excessive wear A downhole abrading tools has a body with a first end for connection with a rotating component of a drill string, and a cutting end for rotation in unison with the body, the cutting end having an abrading matrix containing an abrasive material for rotating engagemen...	12/22/2009
7628210	Ball seat having ball support member Apparatuses for restricting fluid flow through a well conduit comprise a housing having a longitudinal bore and a seat disposed within the bore. The seat has a first position when the apparatus is in the run-in position and a second position when the apparatus is in...	12/08/2009
7617880	Anchor assembly for slickline setting tool for inflatables An anchor assembly for use in downhole slickline strings to set wellbore inflatables comprises, in one specific embodiment, an upper mandrel, an upper piston, radially extendable slips, a release piston in sliding engagement with a release mandrel, and a lower housi...	11/17/2009
7617868	Liner anchor for expandable casing strings and method of use Expandable casing has an expandable slip used for completion of a mono-diameter wellbore. The expandable casing is run through the upper casing and has an upper end that overlaps a lower end of the upper casing to form a fluid flow path between the expandable casing...	11/17/2009
7604061	Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting mechanism connected to the slips is also located in the pocket. An act...	10/20/2009
7600581	Downhole abrading tools having fusible material and uses therefor A downhole abrading tool has a body with a first end for connection to a drill string, a cutting end, a drilling fluid passageway, and a fusible material disposed within the body. The fusible material is capable of igniting and combusting in response to a selected t...	10/13/2009
7591319	Gas activated actuator device for downhole tools An actuator device for setting a downhole tool is disclosed. The actuator device includes a gas releasing material that releases a gas when activated by a solvent or other activator. The gas produced due to the contact with the activator is captured within a chamber...	09/22/2009
7588101	Radially expandable downhole fluid jet cutting tool having an inflatable member Downhole fluid jet cutting tools having extendible and retractable arms with cutting heads on the ends are disclosed. The jet cutting tools permit casing and other downhole surfaces to be cut utilizing a cutting fluid forced through a jet nozzle assembly. Inflation ...	09/15/2009
7581595	Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting mechanism connected to the slips is also located in the pocket. An act...	09/01/2009
7578348	Overshot tool for retrieving an object in a well and methods of use therefor An overshot tool for retrieving an object in a well includes a housing having a housing bore with upper and lower portions. A cam having a cam bore is carried in the upper portion of the bore. The housing and the cam are rotatable relative to each other from an alig...	08/25/2009
7575070	Downhole abrading tools having excessive wear indicator A downhole abrading tool having a body with a first end for connection to a drill string, a cutting end, a drilling fluid passageway, a restrictor disposed within drilling fluid passageway, and an indicator chamber is disclosed. Upon exposure of the indicator chambe...	08/18/2009
7571773	Multiple ball launch assemblies and methods of launching multiple balls into a wellbore Multiple ball launch assemblies comprise a plurality of ball launch pods disposed around an outer wall surface of a housing. The ball launch pods are operatively associated with a flow tube disposed within the housing. An actuator assembly rotates the flow tube to a...	08/11/2009
7571769	Casing window milling assembly Casing window milling assemblies include a conically-shaped section disposed along the tubular of the assembly. This conically-shaped section is a non-cutting portion that is preferably tapered toward the mill head. The conically-shaped section may be part of a flex...	08/11/2009
7565928	Downhole abrading tool having a taggant injection assembly for indicating excessive wear A downhole abrading tools has a body with a first end for connection with a rotating component of a drill string and a cutting end for rotation in unison with the body. The downhole abrading tool also includes a passage through the tool for circulating a drilling fl...	07/28/2009
7546872	Liner hanger An improved liner hanger comprises a mandrel having a piston housing and a plurality of spring slots disposed on the outer wall surface of the mandrel. Each spring slot having at least one spring disposed therein. The liner hanger also has a slip housing having a pl...	06/16/2009
7540329	Casing coupler liner hanger mechanism A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. Both a setting mechanism and a liner engagement member are connected to the slip...	06/02/2009

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Attorney: Matheny; Anthony F.