Patents by Inventor Yuri Burhan

Yuri Burhan 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: 10119341
    Abstract: A cutting element assembly includes a sleeve, a lining extending a distance axially from an end of the sleeve, and an inner cutter. The inner cutter has a cutting end, wherein the cutting end extends a depth from a cutting face, a side surface, and a body, wherein the body is at least partially disposed within the sleeve, and wherein the side surface of the cutting end interfaces with an interfacing surface of the lining.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: November 6, 2018
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Youhe Zhang, Chen Chen, Yuri Burhan, Jibin Shi
  • Publication number: 20180283106
    Abstract: A cutting element includes a cutting end extending a depth from a cutting face to an interface surface opposite from the cutting face, and a spindle, the spindle axially separated from the cutting end by a transition region. The spindle has a spindle diameter measured between a spindle side surface, which is less than a cutting end diameter. A guide length, measured from a point of transition to the transition region to a retention feature, is longer than 75% of a total length of the spindle.
    Type: Application
    Filed: September 21, 2016
    Publication date: October 4, 2018
    Inventors: Youhe Zhang, Chen Chen, Yuri Burhan, Balasubramanian Durairajan, Sandeep Tammineni
  • Publication number: 20180171795
    Abstract: A cutting element includes a cutting end having a cutting face, a body, and a retention end opposite the cutting end. The retention end is formed of a different material than the body. The retention end may include at least one slit extending an axial distance along a partial height of the retention end and extending a transverse distance between the outer circumference of the retention end.
    Type: Application
    Filed: February 12, 2018
    Publication date: June 21, 2018
    Inventors: Yuri Burhan, Youhe Zhang
  • Patent number: 9988853
    Abstract: A cutting tool may include a tool body. At least one blade extends radially from the tool body, and cutters are coupled to the at least one blade. At least one retention component contributes to the retention of at least two of the plurality of cutters.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: June 5, 2018
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Peter T. Cariveau, Yuri Burhan, Yuelin Shen
  • Patent number: 9890636
    Abstract: A cutting element assembly includes a cutting element partially disposed within a support and a retention mechanism disposed between the cutting element and the support, both the axial and radial dimensions of the retention mechanism being deformable.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: February 13, 2018
    Assignees: SCHLUMBERGER TECHNOLOGY CORPORATION, SMITH INTERNATIONAL, INC.
    Inventors: David R. Hall, Francis Leany, John J. Pierce, Youhe Zhang, Yuri Burhan
  • Patent number: 9869133
    Abstract: A cutting element assembly may include a sleeve; an inner cutting element in the sleeve; and a blocker retained in the sleeve with at least one locking device and covering a portion of a cutting face of the inner cutting element. Cutting tools may include a tool body; a plurality of blades extending radially from the tool body, each blade comprising a leading face and a trailing face; a plurality of cutter pockets on the plurality of blades; at least one cutting element in one of the cutter pockets; and at least one blocker positioned adjacent to a cutting face of the at least one cutting element and the leading face of the blade, the blocker being retained to the cutter pocket with at least one locking device.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: January 16, 2018
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Chen Chen, Yuri Burhan, Jibin Shi
  • Patent number: 9739097
    Abstract: A cutting element may have a substrate; and an ultrahard material layer having a substantially planar upper surface disposed on an upper surface of the substrate; wherein at least a portion of the side surface between the upper surface of the substrate and a lower end of the substrate form at least one conic surface, wherein the at least one conic surface extends a height relative to the total height of the substrate and ultrahard material layer ranging from about 1:10 to 9:10, and wherein the substrate comprises a substantially planar lower surface. The cutting elements may also be rotatable cutting elements at least partially surrounded by outer support elements.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: August 22, 2017
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Youhe Zhang, Yuelin Shen, Yuri Burhan, Jibin Shi
  • Patent number: 9683410
    Abstract: Cutter assemblies include an outer support and a cutting element disposed therein. The cutting element is immovably attached to the outer support element. Also disclosed is downhole tools incorporating such cutter assemblies and methods of making such downhole tools.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: June 20, 2017
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Youhe Zhang, Yuelin Shen, Yuri Burhan, Gregory T. Lockwood
  • Publication number: 20170089144
    Abstract: A cutting tool may include a tool body. At least one blade extends radially from the tool body, and cutters are coupled to the at least one blade. At least one retention component contributes to the retention of at least two of the plurality of cutters.
    Type: Application
    Filed: December 14, 2016
    Publication date: March 30, 2017
    Inventors: Peter K. Cariveau, Yuri Burhan, Yuelin Shen
  • Patent number: 9605486
    Abstract: A cutting element is disclosed that includes a sleeve, a rotatable cutting element, and at least one retaining ring. The sleeve has a first inner diameter and a second inner diameter, wherein the second inner diameter is larger than the first inner diameter and located at a lower axial position than the first inner diameter. The rotatable cutting element has an axis of rotation extending therethrough, a cutting face, a body extending axially downward from the cutting face, wherein the body has a shaft that is disposed within the sleeve, and a circumferential groove formed around an outer surface of the shaft. The at least one retaining ring is disposed in the circumferential groove and extends at least around the entire circumference of the shaft, wherein the at least one retaining ring protrudes from the circumferential groove, thereby retaining the rotatable cutting element within the sleeve.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: March 28, 2017
    Assignee: Smith International, Inc.
    Inventors: Yuri Burhan, Jibin Shi, Chen Chen, Youhe Zhang
  • Publication number: 20170016281
    Abstract: A cutting element assembly includes a sleeve, a lining extending a distance axially from an end of the sleeve, and an inner cutter. The inner cutter has a cutting end, wherein the cutting end extends a depth from a cutting face, a side surface, and a body, wherein the body is at least partially disposed within the sleeve, and wherein the side surface of the cutting end interfaces with an interfacing surface of the lining.
    Type: Application
    Filed: September 12, 2016
    Publication date: January 19, 2017
    Inventors: Youhe Zhang, Chen Chen, Yuri Burhan, Jibin Shi
  • Patent number: 9482056
    Abstract: A cutting element may be formed by placing a plurality of diamond particles adjacent to a substrate in a reaction cell and subjecting the plurality of diamond particles to high pressure high temperature conditions to form a polycrystalline diamond body. The polycrystalline diamond body may have a cutting face area to thickness ratio ranging from 60:16 to 500:5 and at least one dimension greater than 8 mm.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: November 1, 2016
    Assignee: Smith International, Inc.
    Inventors: Ronald K. Eyre, John Daniel Belnap, Youhe Zhang, Yuelin Shen, Jibin Shi, Yuri Burhan
  • Patent number: 9464486
    Abstract: A cutting element assembly includes a sleeve, a lining extending a distance axially from an end of the sleeve, and an inner cutter. The inner cutter has a cutting end, wherein the cutting end extends a depth from a cutting face, a side surface, and a body, wherein the body is at least partially disposed within the sleeve, and wherein the side surface of the cutting end interfaces with an interfacing surface of the lining.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: October 11, 2016
    Assignee: Smith International, Inc.
    Inventors: Youhe Zhang, Chen Chen, Yuri Burhan, Jibin Shi
  • Patent number: 9464490
    Abstract: A downhole cutting tool may include a tool body, a plurality of blades extending azimuthally from the tool body comprising a cone region, a shoulder region, and a gage region, at least one cutting element disposed along the cone region and the shoulder region of the blade, and at least one gage cutting element disposed along the gage region of the blade wherein the at least one gage cutting element has a negative backrake ranging from greater than 70 to about 85 degrees.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 11, 2016
    Assignee: Smith International, Inc.
    Inventors: Youhe Zhang, Michael G. Azar, Chen Chen, Yuri Burhan
  • Publication number: 20160290057
    Abstract: A cutting tool is disclosed that includes a tool body, a plurality of cutting element support structures extending from the tool body, at least one slot formed in at least one of the cutting element support structures, a cutting element having a diamond shearing element with a plurality of surfaces, and at least one mechanical retention mechanism adjacent to the cutting element. Each cutting element support structure has a leading face, a top side, and a trailing face, and the slot has two side surfaces, each side surface terminating at the leading face and top side of the cutting element support structure. Each surface of the cutting element has two dimensional values, wherein the cutting element is positioned in the at least one slot such that a plane in which the shortest dimensional value lies intersects the slot side surfaces.
    Type: Application
    Filed: March 14, 2016
    Publication date: October 6, 2016
    Inventors: Youhe Zhang, Jibin Shi, Yuri Burhan
  • Patent number: 9328564
    Abstract: A cutter assembly may include a sleeve; and at least one cutting element having a lower spindle portion retained in the sleeve and a portion of the cutting element interfacing an axial bearing surface of the sleeve, wherein an outer diameter D of the cutting element and a radial length T of a substantially planar portion of the axial bearing surface of the sleeve have the following relationship: (1/25)D?T?(1/4)D.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: May 3, 2016
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Youhe Zhang, Jibin Shi, Yuri Burhan, Chen Chen
  • Patent number: 9322219
    Abstract: A drill bit has a bit body, a plurality of blades extending radially from the bit body, wherein each blade comprises a leading face and a trailing face, a plurality of cutter pockets disposed on the plurality of blades, at least one rolling cutter, wherein each rolling cutter is disposed in one of the cutter pockets, and wherein each rolling cutter comprises a cutting face, a cutting edge, an outer circumferential surface, and a back face. A back retainer is disposed adjacent to the back face, wherein the back retainer protrudes partially into the rolling cutter along a rotational axis of the rolling cutter, and a front retainer is disposed adjacent to the at least one rolling cutter on the leading face of the blade. Each front retainer has a retention end, wherein the retention end is positioned adjacent to a portion of the cutting face of each rolling cutter, and an attachment end, wherein the attachment end is attached to a portion of the blade.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: April 26, 2016
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Yuri Burhan, Youhe Zhang, Yuelin Shen
  • Patent number: 9291000
    Abstract: A cutting structure may include an outer support element; and an inner rotatable cutting element comprising a cutting surface at its upper end; wherein the inner rotatable cutting element comprises at least one line contact along a circumferential side surface thereof and/or at least one point contact at a bottom face thereof.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: March 22, 2016
    Assignee: Smith International, Inc.
    Inventors: Youhe Zhang, Yuelin Shen, Yuri Burhan, Kjell Haugvaldstad
  • Patent number: 9284790
    Abstract: A cutting tool is disclosed that includes a tool body, a plurality of cutting element support structures extending from the tool body, at least one slot formed in at least one of the cutting element support structures, a cutting element having a diamond shearing element with a plurality of surfaces, and at least one mechanical retention mechanism adjacent to the cutting element. Each cutting element support structure has a leading face, a top side, and a trailing face, and the slot has two side surfaces, each side surface terminating at the leading face and top side of the cutting element support structure. Each surface of the cutting element has two dimensional values, wherein the cutting element is positioned in the at least one slot such that a plane in which the shortest dimensional value lies intersects the slot side surfaces.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: March 15, 2016
    Assignee: Smith International Inc.
    Inventors: Youhe Zhang, Jibin Shi, Yuri Burhan
  • Patent number: 9187962
    Abstract: A cutting element has a sleeve with a first inner diameter and a second inner diameter, where the second inner diameter is larger than the first inner diameter and located at a lower axial position than the first inner diameter. A rotatable cutting element having an axis of rotation extending therethrough is at least partially disposed within the sleeve. The rotatable cutting element has a cutting face and a body extending axially downward from the cutting face, at least one hole extending from an outer surface of the body toward the axis of rotation, and a locking device disposed in each hole. The locking device protrudes from the hole to contact the second inner diameter of the sleeve, thereby retaining the rotatable cutting element within the sleeve.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: November 17, 2015
    Assignee: Smith International, Inc.
    Inventors: Yuri Burhan, Jiaqing Yu, Jonan M. Fulenchek, Youhe Zhang, Yuelin Shen