Debkumar G Mukhopadhyay

8020645, Sep 20, 2011

Aug 18, 2010

12/858949

Kenneth E. Bertagnolli - Riverton UT, US
Jiang Qian - Cedar Hills UT, US
Jason Wiggins - Draper UT, US
Michael Vail - Genola UT, US
Debkumar Mukhopadhyay - Sandy UT, US

US Synthetic Corporation - Orem UT

E21B 10/46

175434, 175433, 51309

Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, PCD includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteads (“Oe”) or more and a specific magnetic saturation of about 15 Gausscm/grams (“Gcm/g”) or less. Other embodiments are directed to polycrystalline diamond compacts (“PDCs”) employing such PCD, methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

8069937, Dec 6, 2011

Feb 26, 2009

12/393391

Debkumar Mukhopadhyay - Sandy UT, US
Kenneth E. Bertagnolli - Riverton UT, US
Mohammad N. Sani - Orem UT, US

US Synthetic Corporation - Orem UT

E21B 10/46

175434, 175428, 175432

Embodiments relate to polycrystalline diamond compacts (“PDCs”) including a polycrystalline diamond (“PCD”) table that is substantially free of defects formed due to abnormal grain growth of tungsten carbide grains, and methods of fabricating such PDCs. In an embodiment, a PDC comprises a cemented tungsten carbide substrate including an interfacial surface that is substantially free of tungsten carbide grains exhibiting abnormal grain growth, and a PCD table bonded to the interfacial surface of the cemented tungsten carbide substrate. The PCD table includes a plurality of bonded diamond grains defining a plurality of interstitial regions. At least a portion of the interstitial regions includes a metal-solvent catalyst disposed therein. The PCD table may be substantially free of chromium or the PCD table and the cemented tungsten carbide substrate may each include chromium.

8216677, Jul 10, 2012

Dec 30, 2009

12/649784

Debkumar Mukhopadhyay - Sandy UT, US
Kenneth E Bertagnolli - Riverton UT, US
Jair J Gonzalez - Provo UT, US

US Synthetic Corporation - Orem UT

B32B 9/00

428408, 428697, 428698, 428699

In an embodiment, a polycrystalline diamond compact (“PDC”) comprises a cemented carbide substrate including a first cemented carbide portion exhibiting a first concentration of chromium carbide and a second cemented carbide portion bonded to the first cemented carbide portion and exhibiting a second concentration of chromium carbide that is greater than the first concentration. The PDC further comprises a polycrystalline diamond (“PCD”) table bonded to the first cemented carbide portion. The PCD table includes a plurality of bonded diamond grains exhibiting diamond-to-diamond bonding therebetween, with the plurality of bonded diamond grains defining a plurality of interstitial regions. The PCD table includes chromium present in a concentration less than about 0. 25 weight %.

8261858, Sep 11, 2012

Sep 2, 2011

13/225134

Brian Atkins - Houston TX, US
Seth G. Anderle - Spring TX, US
Robert W. Arfele - Magnolia TX, US
Ram L. Ladi - Tomball TX, US
Brandon Paul Linford - Draper UT, US
Jason Keith Wiggins - Draper UT, US
Kevin Duy Nguyen - Riverton UT, US
Jiang Qian - Cedar Hills UT, US
Kenneth Eugene Bertagnolli - Riverton UT, US
Shawn Casey Scott - Payson UT, US
Debkumar Mukhopadhyay - Sandy UT, US
Michael Alexander Vail - Genola UT, US

Halliburton Energy Services, Inc. - Houston TX

E21B 10/46

175374, 1754202, 175434

The disclosure provides a super abrasive element containing a substantially catalyst-free thermally stable polycrystalline diamond (TSP) body having pores and a contact surface, a base adjacent the contact surface of the TSP body; and an infiltrant material infiltrated in the base and in the pores of the TSP body at the contact surface. The disclosure additionally provides earth-boring drill bits and other devices containing such super abrasive elements. The disclosure further provides methods and mold assemblies for forming such super abrasive elements via infiltration and hot press methods.

8297382, Oct 30, 2012

Jan 21, 2010

12/690998

Kenneth E. Bertagnolli - Riverton UT, US
David P. Miess - Highland UT, US
Jiang Qian - Cedar Hills UT, US
Jason K. Wiggins - Draper UT, US
Michael A. Vail - Genola UT, US
Debkumar Mukhopadhyay - Sandy UT, US

US Synthetic Corporation - Orem UT

E21B 10/36
E21B 10/46

1754202, 175328, 175428, 175433, 175434

Embodiments of the invention relate to polycrystalline diamond (“PCD”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, polycrystalline diamond compact (“PDC”) includes a PCD table having a maximum thickness. At least a portion of the PCD table includes a plurality of diamond grains defining a plurality of interstitial regions. A metal-solvent catalyst occupies at least a portion of the plurality of interstitial regions. The plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteds (“Oe”) or more and a specific magnetic saturation of about 15 Gausscm/grams (“Gcm/g”) or less. The PDC includes a substrate having an interfacial surface that is bonded to the PCD table. The interfacial surface exhibits a substantially planar topography. Other embodiments are directed to methods of forming PCD and PDCs, and various applications for such PCD and PDCs in rotary drill bits, bearing apparatuses, and wire-drawing dies.

8440303, May 14, 2013

Aug 17, 2011

13/211493

Debkumar Mukhopadhyay - Sandy UT, US
Kenneth E. Bertagnolli - Riverton UT, US
Jair J. Gonzalez - Provo UT, US

US Synthetic Corporation - Orem UT

B32B 9/00

428408, 75240, 428698

In an embodiment, a polycrystalline diamond compact (“PDC”) comprises a cemented carbide substrate including a first cemented carbide portion and a second cemented carbide portion bonded to the first cemented carbide portion and exhibiting an erosion resistance that is greater than the first cemented carbide portion. The PDC further comprises a polycrystalline diamond (“PCD”) table bonded to the first cemented carbide portion. The PCD table includes a plurality of bonded diamond grains exhibiting diamond-to-diamond bonding therebetween, with the plurality of bonded diamond grains defining a plurality of interstitial regions.

8461832, Jun 11, 2013

May 21, 2010

12/785014

Kenneth E. Bertagnolli - Riverton UT, US
Debkumar Mukhopadhyay - Sandy UT, US

US Synthetic Corporation - Orem UT

G01N 27/72
B32B 9/00

324228, 428408

In an embodiment, a method of characterizing a polycrystalline diamond element is disclosed. The method includes providing the polycrystalline diamond element, and measuring at least one magnetic characteristic of the polycrystalline diamond element.

8479845, Jul 9, 2013

Aug 10, 2010

12/853752

Jiang Qian - Cedar Hills UT, US
Debkumar Mukhopadhyay - Sandy UT, US
Jason Wiggins - Draper UT, US
Kenneth E. Bertagnolli - Riverton UT, US
Shawn C. Scott - Payson UT, US
Kevin Duy Nguyen - Riverton UT, US
Michael A. Vail - Genola UT, US

US Synthetic Corporation - Orem UT

E21B 10/42

175426, 175432

Some embodiments relate to cutting element assemblies including a superabrasive cutting element that may be axially compressed to enhance the damage tolerance thereof, enclosed in an enclosure that exposes the superabrasive cutting element therethrough, enclosed in an enclosure that restricts rotation of the superabrasive cutting element, or combinations of the foregoing. Additionally, some embodiments relate to cutting element assemblies in which a superabrasive cutting element is mechanically fastened to a base, such as a substrate or directly to a bit body of a rotary drill bit. Some embodiments also relate to cutting element assemblies including one or more superabrasive cutting elements that are rotatable about a longitudinal axis of the cutting element assembly, that may be axially compressed to enhance the damage tolerance thereof, that may be enclosed in an enclosure that exposes the superabrasive cutting element therethrough, or combinations thereof.