Inventor
HUANG SUJIAN
US47 patents
⚠️ This page may combine multiple inventors who share the name “HUANG SUJIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
34 patentsUS6785641B1Aug 31, 2004
Simulating the dynamic response of a drilling tool assembly and its application to drilling tool assembly design optimization and drilling performance optimization
SMITH INTERNATIONAL222 citations99
US6516293B1Feb 4, 2003
Method for simulating drilling of roller cone bits and its application to roller cone bit design and performance
SMITH INTERNATIONAL207 citations99
US6439326B1Aug 27, 2002
Centered-leg roller cone drill bit
SMITH INTERNATIONAL218 citations99
US6315065B1Nov 13, 2001
Drill bit inserts with interruption in gradient of properties
SMITH INTERNATIONAL133 citations99
US7139689B2Nov 21, 2006
Simulating the dynamic response of a drilling tool assembly and its application to drilling tool assembly design optimization and drilling performance optimization
SMITH INTERNATIONAL87 citations98
US6619411B2Sep 16, 2003
Design of wear compensated roller cone drill bits
SMITH INTERNATIONAL66 citations96
US6527068B1Mar 4, 2003
Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance
SMITH INTERNATIONAL72 citations96
US5842701ADec 1, 1998
Dual functioning seal for rock bits
SMITH INTERNATIONAL57 citations96
US6612384B1Sep 2, 2003
Cutting structure for roller cone drill bits
SMITH INTERNATIONAL59 citations95
US6536542B1Mar 25, 2003
Rock bit seal with multiple dynamic seal surface elements
SMITH INTERNATIONAL70 citations95
US7020597B2Mar 28, 2006
Methods for evaluating and improving drilling operations
SMITH INTERNATIONAL109 citations94
US6123337ASep 26, 2000
Composite earth boring bit seal
SMITH INTERNATIONAL69 citations94
US7844426B2Nov 30, 2010
Methods for designing fixed cutter bits and bits made using such methods
SMITH INTERNATIONAL27 citations93
US6856949B2Feb 15, 2005
Wear compensated roller cone drill bits
SMITH INTERNATIONAL38 citations93
US6651757B2Nov 25, 2003
Toughness optimized insert for rock and hammer bits
SMITH INTERNATIONAL62 citations93
US6530441B1Mar 11, 2003
Cutting element geometry for roller cone drill bit
SMITH INTERNATIONAL24 citations93
US6374930B1Apr 23, 2002
Cutting structure for roller cone drill bits
SMITH INTERNATIONAL44 citations93
US6179296B1Jan 30, 2001
Dual functioning seal for rock bits
SMITH INTERNATIONAL27 citations93
US6170830B1Jan 9, 2001
Dual functioning seal for rock bits
SMITH INTERNATIONAL23 citations93
US7831419B2Nov 9, 2010
PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time
SMITH INTERNATIONAL22 citations92
US7464013B2Dec 9, 2008
Dynamically balanced cutting tool system
SMITH INTERNATIONAL32 citations92
US7341119B2Mar 11, 2008
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL25 citations92
US7059430B2Jun 13, 2006
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL32 citations92
US6827161B2Dec 7, 2004
Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance
SMITH INTERNATIONAL17 citations92
US6688410B1Feb 10, 2004
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL25 citations92
US6873947B1Mar 29, 2005
Method for simulating drilling of roller cone bits and its application to roller cone bit design and performance
SMITH INTERNATIONAL64 citations91
US5842700ADec 1, 1998
Composite rock bit seal
SMITH INTERNATIONAL35 citations90
US7302374B2Nov 27, 2007
Method of designing a drill bit, and bits made using said method
SMITH INTERNATIONAL5 citations73
US6601660B1Aug 5, 2003
Cutting structure for roller cone drill bits
SMITH INTERNATIONAL8 citations73
US10400547B2Sep 3, 2019
Methods for analyzing and designing bottom hole assemblies
SMITH INTERNATIONAL6 citations71
US10385619B2Aug 20, 2019
Computing systems, tools, and methods for simulating wellbore departure
SMITH INTERNATIONAL2 citations71
US6637527B1Oct 28, 2003
Cutting structure for roller cone drill bits
SMITH INTERNATIONAL2 citations63
US6604587B1Aug 12, 2003
Flat profile cutting structure for roller cone drill bits
SMITH INTERNATIONAL3 citations63
US10718187B2Jul 21, 2020
Methods for analyzing and optimizing drilling tool assemblies
SMITH INTERNATIONAL0 citations52
SCHLUMBERGER TECHNOLOGY CORP
5 patentsUS10267136B2Apr 23, 2019
Methods for analyzing and optimizing casing while drilling assemblies
SCHLUMBERGER TECHNOLOGY CORP2 citations70
US11125070B2Sep 21, 2021
Real time drilling monitoring
SCHLUMBERGER TECHNOLOGY CORP3 citations67
US11073009B2Jul 27, 2021
Drilling energy calculation based on transient dynamics simulation and its application to drilling optimization
SCHLUMBERGER TECHNOLOGY CORP1 citations57
US10900288B2Jan 26, 2021
Slide drilling system and method
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US11242741B2Feb 8, 2022
Fatigue analysis procedure for drill string
SCHLUMBERGER TECHNOLOGY CORP0 citations47
HUANG SUJIAN
3 patentsUS9482055B2Nov 1, 2016
Methods for modeling, designing, and optimizing the performance of drilling tool assemblies
HUANG SUJIAN21 citations92
US8589124B2Nov 19, 2013
Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits
HUANG SUJIAN8 citations83
US8082134B2Dec 20, 2011
Techniques for modeling/simulating, designing optimizing, and displaying hybrid drill bits
HUANG SUJIAN4 citations62