| Patent | Date |
|---|
Prediction of cutting size and shape generated by a drill bit
Grant 11,434,697 - Chen September 6, 2 | 2022-09-06 |
Oxazoline Compound, Synthesis Method Therefor And Application Thereof
App 20220240509 - WANG; Qingmin ; et al. | 2022-08-04 |
Mitigation Of Backward Whirl In Drill Bits
App 20220228438 - Chen; Shilin | 2022-07-21 |
Nanomaterial-based bacterial sensors
Grant 11,371,938 - Sutarlie , et al. June 28, 2 | 2022-06-28 |
Classification And Control Of Detected Drilling Vibrations Using Machine Learning
App 20220195862 - Chen; Shilin | 2022-06-23 |
Identification of weak zones in rotary drill bits during off-center rotation
Grant 11,365,587 - Chen June 21, 2 | 2022-06-21 |
Downhole drilling tool with depth of cut controller assemblies including activatable depth of cut controllers
Grant 11,365,588 - Chen , et al. June 21, 2 | 2022-06-21 |
Mitigation Of Cutting-induced Stick-slip Vibration During Drilling With Drill Bits Having Depth Of Cut Controllers
App 20220121791 - Chen; Shilin ; et al. | 2022-04-21 |
Mitigation Of High Frequency Coupled Vibrations In Pdc Bits Using In-cone Depth Of Cut Controllers
App 20220121790 - Chen; Shilin ; et al. | 2022-04-21 |
Shaped Cutter Arrangements
App 20220074270 - Maouche; Zakaria ; et al. | 2022-03-10 |
Drill Bit Design With Reduced 3d Coupled Vibration
App 20220067234 - Chen; Shilin ; et al. | 2022-03-03 |
Visualization Of 3d Coupled Vibration In Drill Bits
App 20220065687 - Chen; Shilin ; et al. | 2022-03-03 |
Reduction Of Backward Whirl During Drilling
App 20220025755 - CHEN; Shilin | 2022-01-27 |
Matching Of Primary Cutter With Backup Cutter
App 20210388678 - Chen; Shilin | 2021-12-16 |
Fiber Optic Telemetry System
App 20210372276 - Steele; David Joe ; et al. | 2021-12-02 |
Electrical Telemetry System
App 20210372274 - Steele; David Joe ; et al. | 2021-12-02 |
Fixed-cutter drill bits with track-set primary cutters and backup cutters
Grant 10,982,491 - Chen April 20, 2 | 2021-04-20 |
Downhole Drilling Tool With Depth Of Cut Controller Assemblies Including Activatable Depth Of Cut Controllers
App 20210079733 - Chen; Shilin ; et al. | 2021-03-18 |
Blackhead remover
Grant D912,263 - Chen , et al. March 2, 2 | 2021-03-02 |
Drill Bit Design Selection And Use
App 20200386055 - Chen; Shilin | 2020-12-10 |
Three dimensional modeling of interactions between downhole drilling tools and rock chips
Grant 10,851,622 - Chen December 1, 2 | 2020-12-01 |
Rotary drill bit including multi-layer cutting elements
Grant 10,781,642 - Chen Sept | 2020-09-22 |
Nanomaterial-based Bacterial Sensors
App 20200158642 - Sutarlie; Laura ; et al. | 2020-05-21 |
PDC bits with mixed cutter blades
Grant 10,650,108 - Chen | 2020-05-12 |
Fixed-cutter Drill Bits With Track-set Primary Cutters And Backup Cutters
App 20200115963 - Chen; Shilin | 2020-04-16 |
Prediction of Cutting Size and Shape Generated by a Drill Bit
App 20200102792 - Chen; Shilin | 2020-04-02 |
Bit-Rock Interaction Modeling
App 20200095859 - Chen; Shilin | 2020-03-26 |
Rotary drill bit and method for designing a rotary drill bit for directional and horizontal drilling
Grant 10,590,711 - Chen | 2020-03-17 |
Identification Of Weak Zones In Rotary Drill Bits During Off-center Rotation
App 20200011138 - Chen; Shilin | 2020-01-09 |
Drill bit cutter having shaped cutting element
Grant 10,526,850 - Chen J | 2020-01-07 |
Shape-based modeling of interactions between downhole drilling tools and rock formation
Grant 10,450,842 - Grosz , et al. Oc | 2019-10-22 |
Identification of weak zones in rotary drill bits during off-center rotation
Grant 10,450,804 - Chen Oc | 2019-10-22 |
Methods and drill bit designs for preventing the substrate of a cutting element from contacting a formation
Grant 10,428,588 - Chen , et al. October 1, 2 | 2019-10-01 |
Multilevel force balanced downhole drilling tools including cutting elements in a step profile configuration
Grant 10,428,587 - Chen October 1, 2 | 2019-10-01 |
Rotary Drill Bit Including Multi-layer Cutting Elements
App 20190257157 - Chen; Shilin | 2019-08-22 |
Multilevel force balanced downhole drilling tools including cutting elements in a track-set configuration
Grant 10,329,846 - Chen | 2019-06-25 |
Rotary drill bit including multi-layer cutting elements
Grant 10,329,845 - Chen | 2019-06-25 |
Optimization of rolling elements on drill bits
Grant 10,323,465 - Chen , et al. | 2019-06-18 |
Cutter for use in well tools
Grant 10,316,592 - Chen | 2019-06-11 |
Drilling tool including multi-step depth of cut control
Grant 10,267,093 - Chen , et al. | 2019-04-23 |
Pdc Bits With Mixed Cutter Blades
App 20190080034 - Chen; Shilin | 2019-03-14 |
Rotary drill bits with back-up cutting elements to optimize bit life
Grant 10,214,966 - Chen , et al. Feb | 2019-02-26 |
Optimization Of Rolling Elements On Drill Bits
App 20190032419 - Chen; Shilin ; et al. | 2019-01-31 |
Mechanically locking polycrystalline diamond element and industrial device
Grant 10,180,033 - Bird , et al. Ja | 2019-01-15 |
System and method for analyzing downhole drilling parameters using an opto-analytical device
Grant 10,167,718 - Pelletier , et al. J | 2019-01-01 |
PDC bits with mixed cutter blades
Grant 10,162,911 - Chen Dec | 2018-12-25 |
Roller cone seal failure detection using an integrated computational element
Grant 10,145,178 - Chen , et al. De | 2018-12-04 |
Rotary Drill Bit And Method For Designing A Rotary Drill Bit For Directional And Horizontal Drilling
App 20180328114 - Chen; Shilin | 2018-11-15 |
Conductive fibrous materials
Grant 10,128,503 - Li , et al. November 13, 2 | 2018-11-13 |
Rotary drill bit and method for designing a rotary drill bit for directional and horizontal drilling
Grant 10,036,207 - Chen July 31, 2 | 2018-07-31 |
System and method for determining torsion using an opto-analytical device
Grant 10,012,067 - Pelletier , et al. July 3, 2 | 2018-07-03 |
System and method for measuring gaps using an opto-analytical device
Grant 10,012,070 - Pelletier , et al. July 3, 2 | 2018-07-03 |
System and method for detecting vibrations using an opto-analytical device
Grant 10,006,279 - Pelletier , et al. June 26, 2 | 2018-06-26 |
Method Of Preparing Fiber-reinforced Polymer Composites And Fiber-reinforced Polymer Composites Prepared Thereof
App 20180155540 - Li; Xu ; et al. | 2018-06-07 |
Drill Bit Cutter Having Shaped Cutting Element
App 20180148978 - Chen; Shilin | 2018-05-31 |
System and method for analyzing cuttings using an opto-analytical device
Grant 9,957,792 - Pelletier , et al. May 1, 2 | 2018-05-01 |
System and method for detecting drilling events using an opto-analytical device
Grant 9,945,181 - Pelletier , et al. April 17, 2 | 2018-04-17 |
System and method for measuring temperature using an opto-analytical device
Grant 9,885,234 - Pelletier , et al. February 6, 2 | 2018-02-06 |
A Composite Laminate And Its Usage
App 20180029326 - LEONG; Yew Wei ; et al. | 2018-02-01 |
Method for preventing and/or treating a subject suffering from asthma
Grant 9,868,716 - Xu , et al. January 16, 2 | 2018-01-16 |
PDC bits with cutters laid out in both spiral directions of bit rotation
Grant 9,864,821 - Chen January 9, 2 | 2018-01-09 |
Improving drill bit stability using track-set depth of cut control elements
Grant 9,828,808 - Chen November 28, 2 | 2017-11-28 |
Multilevel force balanced downhole drilling tools and methods
Grant 9,811,630 - Chen November 7, 2 | 2017-11-07 |
Method of preparing fiber-reinforced polymer composites and fiber-reinforced polymer composites prepared thereof
Grant 9,803,079 - Li , et al. October 31, 2 | 2017-10-31 |
Downhole drilling tools including low friction gage pads with rotatable balls positioned therein
Grant 9,790,749 - Chen October 17, 2 | 2017-10-17 |
Lignans isolated from Lasia spinosa (L.) Thwait
Grant 9,775,857 - Bian , et al. October 3, 2 | 2017-10-03 |
Cutters for drill bits
Grant 9,725,960 - Chen August 8, 2 | 2017-08-08 |
Shape-based Modeling Of Interactions Between Downhole Drilling Tools And Rock Formation
App 20170211357 - GROSZ; Gregory Christopher ; et al. | 2017-07-27 |
Multilevel Force Balanced Downhole Drilling Tools and Methods
App 20170154149 - Chen; Shilin | 2017-06-01 |
System and method of configuring drilling tools utilizing a critical depth of cut control curve
Grant 9,650,835 - Chen , et al. May 16, 2 | 2017-05-16 |
Porous metallic membrane
Grant 9,636,639 - Ansari , et al. May 2, 2 | 2017-05-02 |
Hybrid Bit With Roller Cones And Discs
App 20170081919 - Williams; Mark Evans ; et al. | 2017-03-23 |
Methods And Drill Bit Designs For Preventing The Substrate Of A Cutting Element From Contacting A Formation
App 20170081922 - Chen; Shilin ; et al. | 2017-03-23 |
Identification Of Weak Zones In Rotary Drill Bits During Off-center Rotation
App 20170074045 - Chen; Shilin | 2017-03-16 |
Multilevel force balanced downhole drilling tool
Grant 9,587,438 - Chen March 7, 2 | 2017-03-07 |
Hybrid Bit With Blades And Discs
App 20170058609 - Chen; Shilin ; et al. | 2017-03-02 |
Usage Of Oblongifolin C, A Natural Compound From Garcinia Yunnanensis Hu, On Treating Cancer As Metastasis Inhibitor And Autophagic Flux Inhibitor
App 20170035824 - XU; Hongxi ; et al. | 2017-02-09 |
Three Dimensional Modeling Of Interactions Between Downhole Drilling Tools And Rock Chips
App 20170016307 - Chen; Shilin | 2017-01-19 |
System and method of configuring drilling tools utilizing a critical depth of cut control curve
Grant 9,540,882 - Chen , et al. January 10, 2 | 2017-01-10 |
Multilevel Force Balanced Downhole Drilling Tools Including Cutting Elements In A Step Profile Configuration
App 20160376845 - Chen; Shilin | 2016-12-29 |
Lignans Isolated from Lasia spinosa (L.) Thwait
App 20160375082 - Bian; Zhaoxiang ; et al. | 2016-12-29 |
Multilevel Force Balanced Downhole Drilling Tools Including Cutting Elements In A Track-set Configuration
App 20160376846 - Chen; Shilin | 2016-12-29 |
Bioactivity proanthocyanidin compound isolated from Lasia spinosa (L.) Thwait
App 20160374985 - Bian; Zhaoxiang ; et al. | 2016-12-29 |
System and method of constant depth of cut control of drilling tools
Grant 9,523,242 - Chen , et al. December 20, 2 | 2016-12-20 |
Reamer and bit interaction model system and method
Grant 9,518,450 - Servaes , et al. December 13, 2 | 2016-12-13 |
System and method of constant depth of cut control of drilling tools
Grant 9,506,294 - Chen , et al. November 29, 2 | 2016-11-29 |
Roller cone drill bits with optimized bearing structures
Grant 9,493,990 - Chen , et al. November 15, 2 | 2016-11-15 |
Downhole Drilling Tools Including Low Friction Gage Pads With Rotatable Balls Positioned Therein
App 20160290069 - Chen; Shilin | 2016-10-06 |
Rotary Drill Bit Including Multi-layer Cutting Elements
App 20160281437 - CHEN; Shilin | 2016-09-29 |
Pharmaceutical composition comprising guttiferone F for the treatment of prostate cancer
Grant 9,408,811 - Xu , et al. August 9, 2 | 2016-08-09 |
(+)-3'-angeloyloxy-4'-keto-3',4'-dihydroseselin for treating inflammation
Grant 9,408,828 - Bian , et al. August 9, 2 | 2016-08-09 |
Drilling Tool Including Multi-step Depth Of Cut Control
App 20160215568 - Chen; Shilin ; et al. | 2016-07-28 |
Mechanically Locking Polycrystalline Diamond Element And Industrial Device
App 20160201399 - Bird; Jay S. ; et al. | 2016-07-14 |
Polymer Composites With Uv Shielding Strength
App 20160194515 - LI; Xu ; et al. | 2016-07-07 |
Compound For Inhibiting Syk Activity
App 20160185744 - XU; Hongxi ; et al. | 2016-06-30 |
Anti-cervical cancer compound and method of use thereof
Grant 9,339,488 - Xu , et al. May 17, 2 | 2016-05-17 |
Roller Cone Seal Failure Detection Using An Integrated Computational Element
App 20160115740 - Chen; Shilin ; et al. | 2016-04-28 |
Conductive Fibrous Materials
App 20160111723 - Li; Xu ; et al. | 2016-04-21 |
Rotary drill bits with protected cutting elements and methods
Grant 9,316,057 - Chen , et al. April 19, 2 | 2016-04-19 |
Use of a flavanol glycoside for suppressing activation of stellate cells
Grant 9,260,466 - Bian , et al. February 16, 2 | 2016-02-16 |
Method Of Preparing Fiber-reinforced Polymer Composites And Fiber-reinforced Polymer Composites Prepared Thereof
App 20150368410 - LI; Xu ; et al. | 2015-12-24 |
Pd-Ib for Treating Inflammation
App 20150366841 - BIAN; Zhaoxiang ; et al. | 2015-12-24 |
Pdc Bits With Mixed Cutter Blades
App 20150363523 - Chen; Shilin | 2015-12-17 |
Porous Metallic Membrane
App 20150343390 - Ansari; Kambiz ; et al. | 2015-12-03 |
System And Method For Detecting Drilling Events Using An Opto-analytical Device
App 20150322720 - Pelletier; Michael T. ; et al. | 2015-11-12 |
System And Method For Measuring Temperature Using An Opto-analytical Device
App 20150322772 - Pelletier; Michael T. ; et al. | 2015-11-12 |
System And Method For Analyzing Cuttings Using An Opto-analytical Device
App 20150322781 - Pelletier; Michael T. ; et al. | 2015-11-12 |
Improved Cutters For Drill Bits
App 20150300095 - Chen; Shilin | 2015-10-22 |
System And Method For Detecting Vibrations Using An Opto-analytical Device
App 20150247398 - Pelletier; Michael T. ; et al. | 2015-09-03 |
System And Method For Determining Torsion Using An Opto-analytical Device
App 20150240617 - Pelletier; Michael T. ; et al. | 2015-08-27 |
PDC bits with mixed cutter blades
Grant 9,115,552 - Chen August 25, 2 | 2015-08-25 |
Usage Of Guttiferone K For Treating High Metastatic Cancer
App 20150231090 - XU; Hongxi ; et al. | 2015-08-20 |
System And Method For Analyzing Downhole Drilling Parameters Using An Opto-analytical Device
App 20150218940 - Pelletier; Michael T. ; et al. | 2015-08-06 |
System And Method For Measuring Gaps Using An Opto-analytical Device
App 20150218935 - Pelletier; Michael T. ; et al. | 2015-08-06 |
Improving Drill Bit Stability Using Track-set Depth Of Cut Control Elements
App 20150198029 - Chen; Shilin | 2015-07-16 |
Reamer And Bit Interaction Model System And Method
App 20150198014 - Servaes; Luk ; et al. | 2015-07-16 |
System And Method For Improving Stability Of Drilling Tools
App 20150167395 - Chen; Shilin | 2015-06-18 |
Rotary Drill Bits With Back-up Cutting Elements To Optimize Bit Life
App 20150152689 - Chen; Shilin ; et al. | 2015-06-04 |
Rotary Drill Bit And Method For Designing A Rotary Drill Bit For Directional And Horizontal Drilling
App 20150122551 - Chen; Shilin | 2015-05-07 |
Multilevel Force Balanced Downhole Drilling Tools And Methods
App 20150075875 - Chen; Shilin | 2015-03-19 |
Anti-cervical Cancer Compound and Method of Use Thereof
App 20150038569 - XU; Hongxi ; et al. | 2015-02-05 |
Anti-prostate Cancer Compound And Method Of Use Thereof
App 20150025155 - XU; Hongxi ; et al. | 2015-01-22 |
Usage Of Guttiferone K, A Natural Compound From Garcinia Yunnanensis Hu On Treating High Metastatic Esophageal Cancer
App 20150011646 - XU; Hongxi ; et al. | 2015-01-08 |
Cutter For Use In Well Tools
App 20150000988 - Chen; Shilin | 2015-01-01 |
Rotary drill bit with improved steerability and reduced wear
Grant 8,905,163 - Chen , et al. December 9, 2 | 2014-12-09 |
Multilevel force balanced downhole drilling tools and methods
Grant 8,899,357 - Chen December 2, 2 | 2014-12-02 |
Use Of A Flavanol Glycoside For Suppressing Activation Of Stellate Cells
App 20140348965 - Bian; Zhaoxiang ; et al. | 2014-11-27 |
System and method of improved depth of cut control of drilling tools
Grant 8,863,860 - Chen , et al. October 21, 2 | 2014-10-21 |
Pdc Bits With Cutters Laid Out In Both Spiral Directions Of Bit Rotation
App 20140278282 - Chen; Shilin | 2014-09-18 |
Usage Of 1,3,5,7-tetrahydroxy-8-isoprenylxanthone For Treating Inflammation
App 20140200265 - Xu; Hongxi ; et al. | 2014-07-17 |
Usage Of Sodium Houttuyfonate On Inhibiting Idiopathic Pulmonary Fibrosis And Bleomycin Induced Pulmonary Fibrosis
App 20140194528 - XU; Hongxi ; et al. | 2014-07-10 |
Polyisoprenylated Tetracyclic Xanthone With Anticancer Activity
App 20140194498 - XU; Hongxi ; et al. | 2014-07-10 |
Usage Of Oblongifolin C, A Natural Compound From Garcinia Yunnanensis Hu, On Treating Cancer As Metastasis Inhibitor And Autophagic Flux Inhibitor
App 20140194530 - Xu; Hongxi ; et al. | 2014-07-10 |
Polyprenylated Benzoylphloroglucinols With Anticancer Activity
App 20140194499 - XU; Hongxi ; et al. | 2014-07-10 |
Usage Of Natural Compound For Treating Inflammation And Cancer
App 20140194529 - XU; Hongxi ; et al. | 2014-07-10 |
PDC bits with cutters laid out in both spiral directions of bit rotation
Grant 8,720,611 - Chen May 13, 2 | 2014-05-13 |
Method of using rhein for treating fibrotic conditions and tumors
Grant 8,652,540 - Bian , et al. February 18, 2 | 2014-02-18 |
Bioactive Fractions and Compounds from Polygonum genus, their Use in Anti-diarrhea and the Method of Preparation
App 20130344174 - BIAN; Zhaoxiang ; et al. | 2013-12-26 |
Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
Grant 8,606,552 - Chen December 10, 2 | 2013-12-10 |
Method Of Using Rhein For Treating Fibrotic Conditions And Tumors
App 20130323329 - BIAN; Zhaoxiang ; et al. | 2013-12-05 |
System And Method Of Configuring Drilling Tools Utilizing A Critical Depth Of Cut Control Curve
App 20130253836 - Chen; Shilin ; et al. | 2013-09-26 |
System And Method Of Configuring Drilling Tools Utilizing A Critical Depth Of Cut Control Curve
App 20130238245 - Chen; Shilin ; et al. | 2013-09-12 |
System And Method Of Constant Depth Of Cut Control Of Drilling Tools
App 20130233621 - Chen; Shilin ; et al. | 2013-09-12 |
System And Method Of Constant Depth Of Cut Control Of Drilling Tools
App 20130228378 - Chen; Shilin ; et al. | 2013-09-05 |
Compounds, Methods Of Preparation And Use Thereof For Treating Cancer
App 20130210906 - XU; Hongxi ; et al. | 2013-08-15 |
Method For Preventing Or Treating Enterochromaffin Cell Hyperplasia-related Diseases By Quercetin Administration
App 20130210907 - BIAN; Zhaoxiang ; et al. | 2013-08-15 |
Eccentric Sleeve For Directional Drilling Systems
App 20130112484 - Chen; Shilin | 2013-05-09 |
Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power
Grant 8,437,995 - Matthews , et al. May 7, 2 | 2013-05-07 |
Methods And Systems For Designing And/or Selecting Drilling Equipment Using Predictions Of Rotary Drill Bit Walk
App 20130043077 - Chen; Shilin | 2013-02-21 |
Rotary drill bit with gage pads having improved steerability and reduced wear
Grant 8,356,679 - Chen , et al. January 22, 2 | 2013-01-22 |
Rotary Drill Bits with Protected Cutting Elements and Methods
App 20130013267 - Chen; Shilin ; et al. | 2013-01-10 |
Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
Grant 8,352,221 - Chen January 8, 2 | 2013-01-08 |
Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
Grant 8,296,115 - Chen October 23, 2 | 2012-10-23 |
Rotary drill bits with protected cutting elements and methods
Grant 8,210,288 - Chen , et al. July 3, 2 | 2012-07-03 |
PDC Bits with Mixed Cutter Blades
App 20120152624 - Chen; Shilin | 2012-06-21 |
Pdc Bits With Cutters Laid Out In Both Spiral Directions Of Bit Rotation
App 20120152623 - Chen; Shilin | 2012-06-21 |
System And Method Of Improved Depth Of Cut Control Of Drilling Tools
App 20120111630 - Chen; Shilin ; et al. | 2012-05-10 |
Rotary Drill Bit With Gage Pads Having Improved Steerability And Reduced Wear
App 20120111637 - Chen; Shilin ; et al. | 2012-05-10 |
Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
Grant 8,145,465 - Chen March 27, 2 | 2012-03-27 |
Rotary drill bits with gage pads having improved steerability and reduced wear
Grant 8,051,923 - Chen , et al. November 8, 2 | 2011-11-08 |
Drill Bit And Design Method For Optimizing Distribution Of Individual Cutter Forces, Torque, Work, Or Power
App 20110259649 - Matthews; Oliver ; et al. | 2011-10-27 |
Multilevel Force Balanced Downhole Drilling Tools And Methods
App 20110240376 - Chen; Shilin | 2011-10-06 |
Reamer and Bit Interaction Model System and Method
App 20110166837 - Servaes; Luk ; et al. | 2011-07-07 |
Methods And Systems For Design And/or Selection Of Drilling Equipment Based On Wellbore Drilling Simulations
App 20110077928 - Chen; Shilin | 2011-03-31 |
Methods And Systems To Predict Rotary Drill Bit Walk And To Design Rotary Drill Bits And Other Downhole Tools
App 20110015911 - Chen; Shilin | 2011-01-20 |
Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
Grant 7,860,693 - Chen December 28, 2 | 2010-12-28 |
Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
Grant 7,860,696 - Chen December 28, 2 | 2010-12-28 |
Methods And Systems For Designing And/or Selecting Drilling Equipment Using Predictions Of Rotary Drill Bit Walk
App 20100300758 - Chen; Shilin | 2010-12-02 |
Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
Grant 7,827,014 - Chen November 2, 2 | 2010-11-02 |
Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
Grant 7,778,777 - Chen August 17, 2 | 2010-08-17 |
Rotary Drill Bits with Gage Pads Having Improved Steerability and Reduced Wear
App 20100163312 - Chen; Shilin ; et al. | 2010-07-01 |
Rotary Drill Bit with Improved Steerability and Reduced Wear
App 20100133015 - Chen; Shilin ; et al. | 2010-06-03 |
Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
Grant 7,729,895 - Chen June 1, 2 | 2010-06-01 |
Rotary Drill Bits with Protected Cutting Elements and Methods
App 20100000800 - Chen; Shilin ; et al. | 2010-01-07 |
Roller cone drill bits with optimized cutting zones, load zones, stress zones and wear zones for increased drilling life and methods
Grant 7,624,823 - Chen December 1, 2 | 2009-12-01 |
Methods And Systems For Designing And/or Selecting Drilling Equipment Using Predictions Of Rotary Drill Bit Walk
App 20090229888 - Chen; Shilin | 2009-09-17 |
Drill Bit And Design Method For Optimizing Distribution Of Individual Cutter Forces, Torque, Work, Or Power
App 20090166091 - Matthews; Oliver ; et al. | 2009-07-02 |
Methods and Systems to Predict Rotary Drill Bit Walk and to Design Rotary Drill Bits and Other Downhole Tools
App 20090090556 - Chen; Shilin | 2009-04-09 |
Roller cone drill bits with enhanced cutting elements and cutting structures
Grant 7,497,281 - Chen , et al. March 3, 2 | 2009-03-03 |
Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
Grant 7,434,632 - Chen , et al. October 14, 2 | 2008-10-14 |
Roller cone drill bits with optimized bearing structures
Grant 7,360,612 - Chen , et al. April 22, 2 | 2008-04-22 |
Roller Cone Drill Bits With Optimized Bearing Structures
App 20080087471 - Chen; Shilin ; et al. | 2008-04-17 |
Roller cone drill bits with enhanced cutting elements and cutting structures
Grant 7,334,652 - Chen , et al. February 26, 2 | 2008-02-26 |
Roller Cone Drill Bits With Optimized Cutting Zones, Load Zones, Stress Zones And Wear Zones For Increased Drilling Life And Methods
App 20080029308 - Chen; Shilin | 2008-02-07 |
Methods And Systems For Designing And/or Selecting Drilling Equipment Using Predictions Of Rotary Drill Bit Walk
App 20070192074 - Chen; Shilin | 2007-08-16 |
Roller Cone Drill Bits With Enhanced Cutting Elements And Cutting Structures
App 20070125579 - Chen; Shilin ; et al. | 2007-06-07 |
Methods and system for designing and/or selecting drilling equipment with desired drill bit steerability
App 20070029113 - Chen; Shilin | 2007-02-08 |
Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
App 20070029111 - Chen; Shilin | 2007-02-08 |
Methods and system for design and/or selection of drilling equipment based on wellbore drilling simulations
App 20070032958 - Chen; Shilin | 2007-02-08 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20060224368 - Chen; Shilin | 2006-10-05 |
Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation
App 20060118333 - Chen; Shilin | 2006-06-08 |
Roller cone drill bits with optimized cutting zones, load zones, stress zones and wear zones for increased drilling life and methods
App 20060074616 - Chen; Shilin | 2006-04-06 |
Roller cone drill bits with optimized bearing structures
App 20060032674 - Chen; Shilin ; et al. | 2006-02-16 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
Grant 6,986,395 - Chen January 17, 2 | 2006-01-17 |
Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
App 20050194191 - Chen, Shilin ; et al. | 2005-09-08 |
Roller cone drill bits with enhanced cutting elements and cutting structures
App 20050133273 - Chen, Shilin ; et al. | 2005-06-23 |
Three-dimensional tooth orientation for roller cone bits
App 20040236553 - Chen, Shilin ; et al. | 2004-11-25 |
Roller cone bit design using multi-objective optimization
App 20040230413 - Chen, Shilin | 2004-11-18 |
Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
App 20040188148 - Chen, Shilin | 2004-09-30 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040186700 - Chen, Shilin | 2004-09-23 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040182608 - Chen, Shilin | 2004-09-23 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040182609 - Chen, Shilin | 2004-09-23 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040167762 - Chen, Shilin | 2004-08-26 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040158446 - Chen, Shilin | 2004-08-12 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040158445 - Chen, Shilin | 2004-08-12 |
Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
App 20040140130 - Chen, Shilin | 2004-07-22 |
Methods for optimizing and balancing roller-cone bits
App 20040104053 - Chen, Shilin | 2004-06-03 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20040045742 - Chen, Shilin | 2004-03-11 |
Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation
App 20030051917 - Chen, Shilin | 2003-03-20 |
Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
App 20030051918 - Chen, Shilin | 2003-03-20 |
Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
Grant 6,412,577 - Chen July 2, 2 | 2002-07-02 |
Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation
Grant 6,401,839 - Chen June 11, 2 | 2002-06-11 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
App 20010037902 - Chen, Shilin | 2001-11-08 |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
Grant 6,213,225 - Chen April 10, 2 | 2001-04-10 |
Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
Grant 6,095,262 - Chen August 1, 2 | 2000-08-01 |
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