John F. Bradford | Researchain

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Featured researches published by John F. Bradford.

Archive | 2009

Drill Bit With An Adjustable Steering Device

Ajay V. Kulkarni; David K. Luce; John F. Bradford

Archive | 2007

Bit leg outer surface hardfacing on earth-boring bit

James L. Overstreet; Robert J. Buske; John F. Bradford; Caleb Rickabaugh

CIPC/SPE Gas Technology Symposium 2008 Joint Conference | 2008

Performance Paradigm Shift: Drilling Vertical and Directional Sections Through Abrasive Formations With Roller-Cone Bits

Robert J. Buske; Jim Overstreet; Caleb Rickabaugh; Heather Lukasewich; John F. Bradford

Archive | 2008

Corrosion protection for head section of earth boring bit

Alan J. Massey; David K. Luce; Eric C. Sullivan; John F. Bradford; Carmel El Hakam; James L. Overstreet; Ajay V. Kulkarni

Archive | 2009

Method for non-destructively evaluating rotary earth boring drill components and determining fitness-for-use of the same

Eric C. Sullivan; David A. Curry; Xiamin Cheng; Tu Tien Trinh; Terry D. Watts; John F. Bradford; Aaron J. Dick; Chih Lin

Archive | 2011

Drill bits with anti-tracking features

Robert J. Buske; John F. Bradford

Archive | 2011

Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearings

Alejandro Flores; Aaron J. Dick; Chih C. Lin; John F. Bradford; Louise F. van Staden; Gregory B. Swanepoel; Clement D. van der Riet; Siu-Wah Wai; Dragan Vukovic; Klaus Tank

Archive | 2012

Hybrid Drill Bits Having Increased Drilling Efficiency

Anton F. Zahradnik; Robert J. Buske; Rudolf Carl Pessier; Don Q. Nguyen; Karlos B. Cepeda; Michael S. Damschen; Mitchell A. Rothe; Johnathan Howard; Gregory C. Prevost; Chaitanya K. Vempati; John F. Bradford

Archive | 2008