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Dive into the research topics where James V. Leggett is active.

Publication


Featured researches published by James V. Leggett.


Archive | 1996

Closed loop drilling system

John W. Harrell; Vladimir Dubinsky; James V. Leggett


Archive | 1997

Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction

James V. Leggett; Vladimir Dubinsky; John W. Harrell; William Thomas Balogh; Paul J G Seaton; Andrew G. Brooks; Roger P. Herbert


Archive | 1998

Measurement-while-drilling acoustic system employing multiple, segmented transmitters and receivers

James V. Leggett


Archive | 1995

Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto

Macmillan M. Wisler; Wallace H. Meyer; Daniel C. Minette; Ronald J. Deady; James V. Leggett; Herbert W. Beimgraben; Bernard G. Hubner


Archive | 1996

Drilling system utilizing downhole dysfunctions for determining corrective actions and simulating drilling conditions

Vladimir Dubinsky; James V. Leggett


Archive | 1999

Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries

Vladimir Dubinsky; Alexei Bolshakov; James V. Leggett


Archive | 2000

Method of obtaining improved geophysical information about earth formations

Nils Reimers; John W. Harrell; James V. Leggett; Paulo S. Tubel


Archive | 1997

Apparatus and method for performing imaging and downhole operations at a work site in wellbores

Gregory R. Nazzal; Paulo S. Tubel; Gerald D. Lynde; John W. Harrell; James V. Leggett


Archive | 1998

Method and apparatus for communicating data in a wellbore and for detecting the influx of gas

Louis H. Rorden; Ashok Patel; James V. Leggett; Frank Lindsay Gibbons; Steven Cratus Owens


Archive | 2001

Method and apparatus for LWD shear velocity measurement

Xiao Ming Tang; Douglas J. Patterson; Tsili Wang; James V. Leggett; Vladimir Dubinksy

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