| Field Investigation of the Effects of Stick-Slip, Lateral, and Whirl Vibrations on Roller Cone Bit Performance EL S.L.Chen, K.Blackwood SPE Drilling and Completion, 16-20, 2002 | 122* | 2002 |
| Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation S Chen US Patent 6,095,262, 2000 | 117 | 2000 |
| Force-balanced roller-cone bits, systems, drilling methods, and design methods S Chen US Patent 6,213,225, 2001 | 99 | 2001 |
| Roller cone drill bits with optimized bearing structures S Chen, PC Sui US Patent 7,360,612, 2008 | 79 | 2008 |
| Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation S Chen US Patent 6,401,839, 2002 | 76 | 2002 |
| New bit design, cutter technology extend PDC applications to hard rock drilling R Clayton, S Chen, G Lefort SPE/IADC Drilling Conference and Exhibition, SPE-91840-MS, 2005 | 75 | 2005 |
| Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation S Chen US Patent 6,412,577, 2002 | 74 | 2002 |
| Rotary drill bits with protected cutting elements and methods S Chen, WW King US Patent 8,210,288, 2012 | 60 | 2012 |
| A New Theory on Cutter Layout for Improving PDC Bit Performance in Hard-and Transit-Formation Drilling JR S. Chen, R. Arfele, S. Anderle SPE Drilling and Completion 28 (4), 338-349, 2013 | 54 | 2013 |
| An exact model reduction technique for beam structures: combination of transfer and dynamic stiffness matrices M Geradin, SL Chen Journal of sound and vibration 185 (3), 431-440, 1995 | 51 | 1995 |
| An improved transfer matrix technique as applied to BHA lateral vibration analysis SL Chen, M Géradin Journal of Sound and Vibration 185 (1), 93-106, 1995 | 49 | 1995 |
| Force-balanced roller-cone bits, systems, drilling methods, and design methods S Chen US Patent 6,986,395, 2006 | 48 | 2006 |
| Identification and mitigation of friction-and cutting-action-induced stick/slip vibrations with PDC bits S Chen, J Wisinger, B Dunbar, C Propes SPE Drilling & Completion 35 (04), 576-587, 2020 | 43 | 2020 |
| Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power O Matthews, RI Clayton, S Chen US Patent 8,437,995, 2013 | 39 | 2013 |
| The role of rock-chip removals and cutting-area shapes in polycrystalline-diamond-compact-bit design optimization S Chen, G Grosz, S Anderle, R Arfele, K Xun SPE Drilling & Completion 30 (04), 334-347, 2015 | 37 | 2015 |
| Roller cone drill bits with optimized cutting zones, load zones, stress zones and wear zones for increased drilling life and methods S Chen US Patent App. 11/284,540, 2006 | 37 | 2006 |
| Eccentric sleeve for directional drilling systems S Chen US Patent App. 13/289,729, 2013 | 34 | 2013 |
| Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools S Chen US Patent 7,860,696, 2010 | 33 | 2010 |
| Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk S Chen US Patent 7,778,777, 2010 | 32 | 2010 |
| Force-balanced roller-cone bits, systems, drilling methods, and design methods S Chen US Patent App. 10/787,792, 2004 | 32 | 2004 |
