Inventor

SHEN YUELIN

US90 patents

⚠️ This page may combine multiple inventors who share the name “SHEN YUELIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHEN YUELIN

SMITH INTERNATIONAL

Rolling cutter

Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance

Cutting elements having cutting edges with continuous varying radii and bits incorporating the same

Modified cutters and a method of drilling with modified cutters

Thermally stable polycrystalline diamond cutting elements and bits incorporating the same

Polycrystalline diamond constructions having improved thermal stability

Cutter having shaped working surface with varying edge chamfer

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

Shaped cutter surface

Rolling cutter

Rolling cutter

Coating on PDC/TSP cutter for accelerated leaching

Matrix bit bodies with multiple matrix materials

Cutter having shaped working surface with varying edge chamfer

Stress relief feature on PDC cutter

Rolling cutter

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

Solid PCD cutter

Rolling cutter with improved rolling efficiency

Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance

Brazing methods for PDC cutters

Matrix bit bodies with multiple matrix materials

Thermally stable polycrystalline diamond cutting elements and bits incorporating the same

Drag bit with utility blades

Cutter for maintaining edge sharpness

Polycrystalline composites reinforced with elongated nanostructures

Cutting elements and bits incorporating the same

Thermally stable polycrystalline diamond cutting elements and bits incorporating the same

Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements

ZHANG YOUHE

Methods of forming thermally stable polycrystalline diamond cutters

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

Thermally stable polycrystalline diamond cutting elements and bits incorporating the same

Modified cutters and a method of drilling with modified cutters

Polycrystalline diamond compact cutters with conic shaped end

Modified cutters and a method of drilling with modified cutters

Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same

Thermally stable polycrystalline diamond cutting elements and bits incorporating the same

SHEN YUELIN

Rolling cutter bit design

Rolling cutter

Rolling cutter

Rolling cutter assembled directly to the bit pockets

Polycrystalline diamond composites

Cutter geometry for increased bit life and bits incorporating the same

Cutting elements having cutting edges with continuous varying radii and bits incorporating the same

SCHLUMBERGER TECHNOLOGY CORP

Indexing drill bit

Rate of penetration drilling operation controller

GRIFFO ANTHONY

Thermally stable ultra-hard material compact constructions

BELNAP J DANIEL

Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements

KESHAVAN MADAPUSI K

Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance

BURHAN YURI

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