Yuri Burhan

BIT INSERT FOR A DRILL BIT

PDC cutter with enhanced performance and durability

Use of Rotary Cutting Elements in Downhole Milling

Rolling cutter stability

ROTATING ELEMENTS FOR DOWNHOLE CUTTING TOOLS

Retention of multiple rolling cutters

Cutter with support liner

INNOVATIVE CUTTING ELEMENT AND CUTTING STRUCTURE USING SAME

Matrix tool bodies with erosion resistant and/or wear resistant matrix materials

USING MAGNETIC FORCE/FIELD FOR DRILL BITS AND OTHER CUTTING TOOLS

DOWNHOLE CUTTING TOOLS HAVING ROLLING CUTTERS WITH NON-PLANAR CUTTING SURFACES

RETENTION OF MULTIPLE ROLLING CUTTERS

Axially stable retention mechanism for picks and cutting elements

COMPOSITE CUTTER SUBSTRATE TO MITIGATE RESIDUAL STRESS

Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools

Rolling cutter with bottom support

Method of using spring loaded blocker to retain rolling cutters or mechanical lock cutters

PDC BITS HAVING ROLLING CUTTERS AND USING MIXED CHAMFERS

Rolling cutter with close loop retaining ring

Cutting elements retained within sleeves

Gage cutter protection for drilling bits

Solid PCD cutter

FIXED CUTTER DRILL BIT HEEL AND BACK-REAM CUTTER PROTECTIONS FOR ABRASIVE APPLICATIONS

Rolling cutter with improved rolling efficiency

Rolling cutter using pin, ball or extrusion on the bit body as attachment methods

Innovative cutting element and cutting structure using same

Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)

Polycrystalline diamond compact cutters with conic shaped end

Rolling cutter assembled directly to the bit pockets

Composite cutter substrate to mitigate residual stress

Matrix tool bodies with erosion resistant and/or wear resistant matrix materials

Drill bits and methods of manufacturing such drill bits

Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools