Patents by Inventor Michael J Gazewood
Michael J Gazewood has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7836958Abstract: A disconnect apparatus and method for use in a well bore. The apparatus includes a top sub having a collet, and an external seal surface. The apparatus further includes a bottom sub having a bore. The external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet. The support piston has a plurality of fins formed on an outer portion thereof, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. The collet member may include a plurality of fingers having a gap between each individual finger. The plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.Type: GrantFiled: December 10, 2009Date of Patent: November 23, 2010Inventor: Michael J. Gazewood
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Patent number: 7789100Abstract: A connection apparatus. The apparatus comprises a wing mandrel having a first check valve disposed within an inner bore of the wing mandrel, a thread mandrel abutting the wing mandrel, with the thread mandrel having outer threads and a second check valve disposed within an inner bore of the thread mandrel. The apparatus further comprises a latch dog carrier disposed about the wing mandrel and the thread mandrel, with the latch dog carrier having a plurality of dogs, wherein the dogs having an inner portion with threads and an outer portion with outer ribs. The apparatus further contains a shell partially disposed about the latch dog carrier, with the shell having inner ribs, and wherein the inner ribs of the shell engage the outer ribs of the dogs. The apparatus further comprises a hydraulic port configured to deliver hydraulic fluid to the latch dog carrier so that the shell moves relative to the latch dog carrier in order to disconnect. A method of releasing a union is also disclosed.Type: GrantFiled: October 19, 2007Date of Patent: September 7, 2010Assignee: Venturi Oil Tools, Inc.Inventor: Michael J. Gazewood
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Publication number: 20100084141Abstract: A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.Type: ApplicationFiled: December 10, 2009Publication date: April 8, 2010Applicant: VENTURI OIL TOOLS, INC.Inventor: Michael J. Gazewood
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Patent number: 7650946Abstract: A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.Type: GrantFiled: October 31, 2006Date of Patent: January 26, 2010Assignee: Venturi Oil Tools, Inc.Inventor: Michael J. Gazewood
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Patent number: 7552766Abstract: A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member, The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis.Type: GrantFiled: June 12, 2007Date of Patent: June 30, 2009Assignee: Owen Oil Tools LPInventor: Michael J. Gazewood
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Publication number: 20090102182Abstract: A connection apparatus. The apparatus comprises a wing mandrel having a first check valve disposed within an inner bore of the wing mandrel, a thread mandrel abutting the wing mandrel, with the thread mandrel having outer threads and a second check valve disposed within an inner bore of the thread mandrel. The apparatus further comprises a latch dog carrier disposed about the wing mandrel and the thread mandrel, with the latch dog carrier having a plurality of dogs, wherein the dogs having an inner portion with threads and an outer portion with outer ribs. The apparatus further contains a shell partially disposed about the latch dog carrier, with the shell having inner ribs, and wherein the inner ribs of the shell engage the outer ribs of the dogs. The apparatus further comprises a hydraulic port configured to deliver hydraulic fluid to the latch dog carrier so that the shell moves relative to the latch dog carrier in order to disconnect. A method of releasing a union is also disclosed.Type: ApplicationFiled: October 19, 2007Publication date: April 23, 2009Inventor: Michael J. Gazewood
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Publication number: 20080099210Abstract: A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.Type: ApplicationFiled: October 31, 2006Publication date: May 1, 2008Inventor: Michael J. Gazewood
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Patent number: 7357183Abstract: An apparatus and method for retrieving metal objects. The apparatus includes a housing with an inner part, with the housing having a first wall. The apparatus further includes a sleeve disposed within the housing, with the sleeve being constructed of a non-magnetic conduction material. A magnet is disposed within the sleeve, with the magnet having a north pole and a south pole. The apparatus further includes a container disposed within the sleeve, the container having a second wall. In the most preferred embodiment, the first wall defines a first pathway for magnetic lines of flux for the north pole of the magnet and wherein the second wall defines a second pathway for magnetic lines of flux for the south pole of the magnet so that a toroidal magnetic field is formed about the distal end of the sleeve.Type: GrantFiled: September 9, 2005Date of Patent: April 15, 2008Assignee: Venturi Oil ToolsInventor: Michael J. Gazewood
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Patent number: 7228896Abstract: A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member. The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis.Type: GrantFiled: January 5, 2005Date of Patent: June 12, 2007Assignee: Core Laboratories LPInventor: Michael J. Gazewood
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Patent number: 6375757Abstract: An apparatus for jetting a fluid within a tubular member. The apparatus may comprise a cylindrical member having an outer portion and an inner portion, an outer sleeve disposed about the cylindrical member forming an annulus area, and a venturi device for jetting the fluid against the inner diameter walls of the tubular string. The venturi device comprises a nozzle disposed within the cylindrical member and a throat formed within the outer sleeve. A recirculation port is formed on the outer sleeve for communicating the fluid from a second annulus area to a first annulus area adjacent the throat. Also disclosed is a method of cleaning a tubular string with a power medium. The method includes providing a wash apparatus concentrically positioned within the tubular string. The power medium may be a fluid or air. In the preferred embodiment, the power medium is a fluid.Type: GrantFiled: January 18, 2001Date of Patent: April 23, 2002Assignee: Thru-Tubing Technology, Inc.Inventor: Michael J Gazewood
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Publication number: 20020030325Abstract: A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member. The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis.Type: ApplicationFiled: July 3, 2001Publication date: March 14, 2002Applicant: Thru-Tubing Technology, Inc.Inventor: Michael J. Gazewood
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Publication number: 20010017147Abstract: An apparatus for jetting a fluid within a tubular member. The apparatus may comprise a cylindrical member having an outer portion and an inner portion, an outer sleeve disposed about the cylindrical member forming an annulus area, and a venturi device for jetting the fluid against the inner diameter walls of the tubular string. The venturi device comprises a nozzle disposed within the cylindrical member and a throat formed within the outer sleeve. A recirculation port is formed on the outer sleeve for communicating the fluid from a second annulus area to a first annulus area adjacent the throat. Also disclosed is a method of cleaning a tubular string with a power medium. The method includes providing a wash apparatus concentrically positioned within the tubular string. The power medium may be a fluid or air. In the preferred embodiment, the power medium is a fluid.Type: ApplicationFiled: January 18, 2001Publication date: August 30, 2001Applicant: Thru-Tubing Technology, Inc.Inventor: Michael J. Gazewood
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Patent number: 6276690Abstract: A device for sealing and anchoring within a tubular member. The device includes a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member. The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further includes a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis.Type: GrantFiled: April 30, 1999Date of Patent: August 21, 2001Inventor: Michael J. Gazewood
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Patent number: 6199566Abstract: An apparatus for jetting a fluid within a tubular member. The apparatus may comprise a cylindrical member having an outer portion and an inner portion, an outer sleeve disposed about the cylindrical member forming an annulus area, and a venturi device for jetting the fluid against the inner diameter walls of the tubular string. The venturi device comprises a nozzle disposed within the cylindrical member and a throat formed within the outer sleeve. A recirculation port is formed on the outer sleeve for communicating the fluid from a second annulus area to a first annulus area adjacent the throat. Also disclosed is a method of cleaning a tubular string with a power medium. The method includes providing a wash apparatus concentrically positioned within the tubular string. The power medium may be a fluid or air. In the preferred embodiment, the power medium is a fluid.Type: GrantFiled: April 29, 1999Date of Patent: March 13, 2001Inventor: Michael J Gazewood
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Patent number: 6015018Abstract: An apparatus for creating a pulling force on a bottom hole assembly contained within a bore hole is disclosed. Generally, the apparatus comprises a housing, a piston having a first section and a second section, and a venturi member, operatively associated with the piston, adapted for creating a zone of low pressure. In one embodiment, the housing is attached to a work string and the piston is attached to a bottom hole assembly. The first section of the piston and the housing forms a first chamber. The second section of the piston and the housing forms a second chamber. The venturi member contains a first passageway for communicating the zone of low pressure created by the venturi member with the first chamber; and a second passageway for communicating the inner diameter of the venturi means with the second chamber.Type: GrantFiled: August 13, 1997Date of Patent: January 18, 2000Inventor: Michael J. Gazewood
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Patent number: 5947202Abstract: A device for latching onto a down hole object located within a well bore is claimed. The device will include a mandrel connected to a work string and with an end adapted to engage the object. The device also includes a biasing member disposed about the mandrel; and, a collet member operatively disposed about the mandrel. The collet member will have a first end adapted to cooperate with the biasing member and a second end that contains an engaging member, operatively associated with the second end of the mandrel, for engaging the object. The mandrel and the collet member cooperate to form a chamber. The device will also include a locking member, contained within the chamber, for locking the mandrel and collet member together so that the mandrel and collet member act as one member.Type: GrantFiled: August 13, 1997Date of Patent: September 7, 1999Assignee: Thru-Tubing Technology, Inc.Inventor: Michael J. Gazewood
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Patent number: 5806599Abstract: A novel venturi device located within a tubular member for accelerating the flow of an effluent is disclosed. The device will generally comprise a tubular member containing a throat section, a diffuser section and an opening contained on the tubular member for allowing the injection of a gas therethrough. The device also includes an inner mandrel contained within the tubular member. The inner mandrel contains a nozzle member defining an internal chamber. The inner mandrel also contains a first passageway and a second passageway for directing the effluent therethrough. The nozzle is operatively associated with the opening contained on the tubular member. In one embodiment, a flow diverter member is included for diverting the production effluent into the first passageway and into the nozzle annulus. A method of accelerating production with a venturi device within a tubing string is also disclosed.Type: GrantFiled: November 12, 1996Date of Patent: September 15, 1998Inventors: Jack C. Hisaw, Michael J. Gazewood
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Patent number: 5785124Abstract: A method of increasing the production from a well completed to a reservoir is disclosed. Generally, the method comprises the steps of installing a venturi device within the well. A gas is injected within the annulus and introduced into the well. The venturi device creates a zone of low pressure within the well as well as accelerating the velocity of the production fluids so that the inflow from the reservoir is increased. In one embodiment, the venturi device is associated with a gas lift mandrel located in the well.Type: GrantFiled: July 12, 1996Date of Patent: July 28, 1998Assignee: Production on Accelerators, Inc.Inventors: Jack C. Hisaw, Michael J. Gazewood
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Patent number: 5562161Abstract: A method of increasing the production from a well completed to a reservoir is disclosed. Generally, the method comprises the steps of installing a venturi device within the well. A gas is injected within the annulus and introduced into the well. The venturi device creates a zone of low pressure within the well as well as accelerating the velocity of the production fluids so that the inflow from the reservoir is increased. In one embodiment, the venturi device is associated with a gas lift mandrel located in the well.Type: GrantFiled: April 27, 1995Date of Patent: October 8, 1996Inventors: Jack C. Hisaw, Michael J. Gazewood
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Patent number: 5526888Abstract: Apparatus and method for disconnection and connection of tubular members, by remote pressure means, includes: First tubular housing having a male extension, second tubular housing having a mating female recess, latch blocks disposed radially in openings of the male extension, slotted piston for operating the latch blocks, pilot piston, detent lock-out mechanism operated by pilot piston movement, pilot piston shear pins, and piston bias/return springs.The hydraulic disconnect is typically installed in a tubular work string where remote disconnection may be required. Latch blocks, extending radially through openings of the male extension and into annular grooves of the mating female recess, connect the first and second housings together. Fluid flow is permitted through axial bores of the first tubular housing, pilot piston, slotted piston and second tubular housing.Type: GrantFiled: September 12, 1994Date of Patent: June 18, 1996Inventor: Michael J. Gazewood