Patents by Inventor Marcus A. Avant

Marcus A. Avant 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).

  • Patent number: 9822608
    Abstract: An opposed ramp assembly is configured with a load bearing lug. The lug has angled ends that match the opposed profile shapes that rotate as the lug reciprocates with each piston stroke. One side of the opposed profiles of the opposed ramp pattern has no axial travel grooves for the lug. On the other side there can be one or more open slots for the lug to facilitate assembly and disassembly of the lug to the operating location or to accommodate one or more needed positions for the tool depending on the application. As a result the opposed pattern peaks have increased spacing for the same stroke length of the piston. This allows for more reaction time in a partial stroke to avoid jamming because the potential position for jamming is far later so that reversal of movement can occur without jamming, if it occurs in the early part of the stroke. Peak to peak axial separation of the opposed pattern profiles is increased by a factor of at least 24.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: November 21, 2017
    Assignee: BAKER HUGHES INCORPORATED
    Inventor: Marcus A. Avant
  • Publication number: 20160177669
    Abstract: An opposed ramp assembly is configured with a load bearing lug. The lug has angled ends that match the opposed profile shapes that rotate as the lug reciprocates with each piston stroke. One side of the opposed profiles of the opposed ramp pattern has no axial travel grooves for the lug. On the other side there can be one or more open slots for the lug to facilitate assembly and disassembly of the lug to the operating location or to accommodate one or more needed positions for the tool depending on the application. As a result the opposed pattern peaks have increased spacing for the same stroke length of the piston. This allows for more reaction time in a partial stroke to avoid jamming because the potential position for jamming is far later so that reversal of movement can occur without jamming, if it occurs in the early part of the stroke. Peak to peak axial separation of the opposed pattern profiles is increased by a factor of at least 24.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 23, 2016
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: Marcus A. Avant
  • Patent number: 9267357
    Abstract: A diffuser assembly has pairs of split rings rotationally locked to each other in an alternating array with other pairs of split rings where adjacent pairs are responsive to pressure differential to be biased toward a sliding sleeve or the surrounding housing in an alternating pattern. The split rings are made to have an interference initial fit to the sleeve or housing and the splits on adjacent rings are offset while a relation of a projection to a depression between adjacent rings prevents relative rotation to keep the desired circumferential offset in the splits between adjacent rings. End tapers can bias adjacent pairs in opposed directions responsive to applied differential pressure. The rings are preferably metallic and can have a coating to facilitate relative sliding and enhance durability.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: February 23, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Hai H. Nguyen, Marcus A. Avant, Jeremy J. Guillory, Donald P. Lauderdale, Steve Rosenblatt
  • Patent number: 9234397
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: January 12, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Peter J. Fay, Marcus A. Avant
  • Patent number: 8876083
    Abstract: Disclosed herein is a valve. The valve includes a first member having a first port therethrough, a second member in operable communication with the first member having a sealing surface thereon and a second port therethrough that is movable relative to the first member. The valve also has a seal sealingly engaged with the first member and slidably sealingly engagable with the second member, and a support member movably disposed relative to the first member and the second member. The support member has a support surface dimensioned similarly to the sealing surface, and is movable with the second member relative to the first member so that upon such movement the seal is continuously supported by at least one of the sealing surface and the support surface.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: November 4, 2014
    Assignee: Baker Hughes Incorporated
    Inventors: Steven S. Black, Marcus A. Avant
  • Publication number: 20140224496
    Abstract: A diffuser assembly has pairs of split rings rotationally locked to each other in an alternating array with other pairs of split rings where adjacent pairs are responsive to pressure differential to be biased toward a sliding sleeve or the surrounding housing in an alternating pattern. The split rings are made to have an interference initial fit to the sleeve or housing and the splits on adjacent rings are offset while a relation of a projection to a depression between adjacent rings prevents relative rotation to keep the desired circumferential offset in the splits between adjacent rings. End tapers can bias adjacent pairs in opposed directions responsive to applied differential pressure. The rings are preferably metallic and can have a coating to facilitate relative sliding and enhance durability.
    Type: Application
    Filed: February 8, 2013
    Publication date: August 14, 2014
    Applicant: Baker Hughes Incorporated
    Inventors: Hai H. Nguyen, Marcus A. Avant, Jeremy J. Guillory, Donald P. Lauderdale, Steve Rosenblatt
  • Patent number: 8651182
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: February 18, 2014
    Assignee: Baker Hughes Incorporated
    Inventors: Peter J. Fay, Marcus A. Avant
  • Patent number: 8607860
    Abstract: A collet assembly has a housing and the collets disposed on flexible fingers connected to the housing at their opposed ends. A surrounding landing sleeve stops the assembly so that collets are aligned with a recess in a landing collar that is part of a surrounding tubing string. Once set the landing sleeve transmits compressive loads so that compressive stress essentially bypasses the finger structure supporting the collets. The fingers are initially tapered toward a longitudinal axis so that when internally supported they assume an aligned orientation to the housing axis to allow greater tensile loading and to provide a retraction force when the housing is to be removed after the collet support is removed.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: December 17, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Marcus A. Avant, Douglas J. Murray
  • Patent number: 8596350
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: December 3, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Peter J. Fay, Marcus A. Avant
  • Publication number: 20130292598
    Abstract: Disclosed herein is a valve. The valve includes a first member having a first port therethrough, a second member in operable communication with the first member having a sealing surface thereon and a second port therethrough that is movable relative to the first member. The valve also has a seal sealingly engaged with the first member and slidably sealingly engagable with the second member, and a support member movably disposed relative to the first member and the second member. The support member has a support surface dimensioned similarly to the sealing surface, and is movable with the second member relative to the first member so that upon such movement the seal is continuously supported by at least one of the sealing surface and the support surface.
    Type: Application
    Filed: May 7, 2012
    Publication date: November 7, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Steven S. Black, Marcus A. Avant
  • Patent number: 8555960
    Abstract: A tubing pressure operated sliding sleeve is used in cementing a tubular string. The sleeve is configured to hold closed as pressure builds to a predetermined value. When pressure is further raised a rupture disc blows and provides access to an integral piston disposed outside the sleeve. The back side of the piston is exposed to a low pressure or atmospheric chamber located between upper and lower seals. The sleeve thickness near the chamber can be made relatively thick to avoid flexing or bending under differential pressure because the net force to shift the sleeve is from differential pressure on the piston rather than the piston areas created by the upper and lower seals.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: October 15, 2013
    Assignee: Baker Hughes Incorporated
    Inventors: Jason C. Mailand, Justin C. Kellner, Charles C. Jonhson, Charles T. Kirkpatrick, Marcus A. Avant
  • Publication number: 20130025872
    Abstract: A tubing pressure operated sliding sleeve is used in cementing a tubular string. The sleeve is configured to hold closed as pressure builds to a predetermined value. When pressure is further raised a rupture disc blows and provides access to an integral piston disposed outside the sleeve. The back side of the piston is exposed to a low pressure or atmospheric chamber located between upper and lower seals. The sleeve thickness near the chamber can be made relatively thick to avoid flexing or bending under differential pressure because the net force to shift the sleeve is from differential pressure on the piston rather than the piston areas created by the upper and lower seals.
    Type: Application
    Filed: July 29, 2011
    Publication date: January 31, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Jason C. Mailand, Justin C. Kellner, Charles C. Jonhson, Charles T. Kirkpatrick, Marcus A. Avant
  • Patent number: 8267384
    Abstract: An annular seal device includes a mandrel, at least one cone axially moveable on the mandrel, at least one sealing element having a frustoconical outer surface and a frustoconical inner surface, at least one contact feature at the at least one cone and operably engageable with the at least one sealing element, and at least one of a blocking element and a resilient member at the mandrel, the at least one of a blocking element and a resilient member supporting a blocking surface in opposition to the at least one contact feature. The resilient member itself includes a tubular body having spring rings at axial ends thereof, and a plurality of beams extending spirally from one axial end to the other axial end.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: September 18, 2012
    Assignee: Baker Hughes Incorporated
    Inventors: Marcus A. Avant, Rafeal Ramirez
  • Publication number: 20120186805
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Application
    Filed: January 25, 2011
    Publication date: July 26, 2012
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Peter J. Fay, Marcus A. Avant
  • Publication number: 20120186806
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Application
    Filed: January 25, 2011
    Publication date: July 26, 2012
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Peter J. Fay, Marcus A. Avant
  • Publication number: 20120186804
    Abstract: A plurality of rows of locking dogs are provided with housing flexibility between rows to allow them to share a shear loading while leaving enough structural integrity in the housing to define the windows through which the dogs emerge. The dogs can also have extensions with a surface that grippingly engages the housing adjacent the window on extension of the dogs such that loads can transfer from the housing into the extension and into the profile in which the dog is disposed rather than passing the shear stress through the window edge into the dog that is in the profile. The dog configuration can also share the load on multiple contact surfaces of the housing to reduce stress at each contact location.
    Type: Application
    Filed: January 25, 2011
    Publication date: July 26, 2012
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Peter J. Fay, Marcus A. Avant
  • Publication number: 20120168148
    Abstract: A collet assembly has a housing and the collets disposed on flexible fingers connected to the housing at their opposed ends. A surrounding landing sleeve stops the assembly so that collets are aligned with a recess in a landing collar that is part of a surrounding tubing string. Once set the landing sleeve transmits compressive loads so that compressive stress essentially bypasses the finger structure supporting the collets. The fingers are initially tapered toward a longitudinal axis so that when internally supported they assume an aligned orientation to the housing axis to allow greater tensile loading and to provide a retraction force when the housing is to be removed after the collet support is removed.
    Type: Application
    Filed: December 29, 2010
    Publication date: July 5, 2012
    Inventors: Marcus A. Avant, Douglas J. Murray
  • Patent number: 8210267
    Abstract: Disclosed herein is an atmospheric chamber. The atmospheric chamber includes, a first opposing wall of the chamber and a second opposing wall of the chamber, end members sealingly joining the first and second opposing walls of the chamber to create a fluid tight volumetric space, and at least one support substantially bridging between the first opposing wall and the second opposing wall positioned between respective end members.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: July 3, 2012
    Assignee: Baker Hughes Incorporated
    Inventor: Marcus A. Avant
  • Patent number: 7913770
    Abstract: Methods and devices for equalizing an atmospheric chamber within a well tool in a controlled manner following the operation of setting the well tool. A packer setting tool has a setting mechanism with an atmospheric chamber and an equalization assembly to permit the pressure differential between the atmospheric chamber and the surrounding annulus to be substantially equalized.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: March 29, 2011
    Assignee: Baker Hughes Incorporated
    Inventors: Robert D. Schramm, Marcus A. Avant
  • Patent number: RE46137
    Abstract: A tubing pressure operated sliding sleeve is used in cementing a tubular string. The sleeve is configured to hold closed as pressure builds to a predetermined value. When pressure is further raised a rupture disc blows and provides access to an integral piston disposed outside the sleeve. The back side of the piston is exposed to a low pressure or atmospheric chamber located between upper and lower seals. The sleeve thickness near the chamber can be made relatively thick to avoid flexing or bending under differential pressure because the net force to shift the sleeve is from differential pressure on the piston rather than the piston areas created by the upper and lower seals.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: September 6, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Mailand C. Jason, Justin C. Kellner, Charles C. Johnson, Charles T. Kirkpatrick, Marcus A. Avant