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Leroy W. Ledgerwood

Baker Hughes

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Archive | 2003

Increased projection for compacts of a rolling cone drill bit

Leroy W. Ledgerwood; Timothy K. Marvel

Archive | 2000

Method and apparatus for determining potential abrasivity in a wellbore

Craig H. Cooley; David A. Curry; Leroy W. Ledgerwood

Archive | 2000

Method and apparatus for determining potential for drill bit performance

Craig H. Cooley; David A. Curry; Leroy W. Ledgerwood

Spe Drilling & Completion | 2010

Experimental Study of MSE of a Single PDC Cutter Interacting With Rock Under Simulated Pressurized Conditions

Navid Rafatian; Stefan Z. Miska; Leroy W. Ledgerwood; Mengjiao Yu; Ramadan Ahmed; Nicholas Takach

Archive | 2000

Nozzle orientation for roller cone rock bit

Thomas M. Harris; Leroy W. Ledgerwood; Brian Wiesner; Sean K. Berzas; Brian A. Baker

Spe Drilling & Completion | 2013

Downhole Measurement and Monitoring Lead to an Enhanced Understanding of Drilling Vibrations and Polycrystalline Diamond Compact Bit Damage

Leroy W. Ledgerwood; Jayesh R. Jain; Olivier J.-M. Hoffmann; Reed W. Spencer

Archive | 2006

Method and apparatus for collecting fluid samples downhole

Rocco DiFoggio; Leroy W. Ledgerwood

SPE Annual Technical Conference and Exhibition | 2013

New Insights Into Drilling Dynamics Through High-Frequency Vibration Measurement and Modeling

Hatem Oueslati; Jayesh R. Jain; Hanno Reckmann; Leroy W. Ledgerwood; Rolf Pessier; Sridharan Chandrasekaran

SPE Annual Technical Conference and Exhibition | 2011

Mitigation of Torsional Stick-Slip Vibrations in Oil Well Drilling through PDC Bit Design: Putting Theories to the Test

Jayesh R. Jain; Leroy W. Ledgerwood; Olivier J.-M. Hoffmann; Thorsten Schwefe; Danielle M. Fuselier

Archive | 2009

Method of manufacturing and repairing fixed-cutter drag-type rotary tools with cutting control structures

Chaitanya K. Vempati; Suresh G. Patel; Leroy W. Ledgerwood; Timothy K. Marvel; Michael R. Wells

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