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William J. McDonald

Gas Technology Institute

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Publication

Featured researches published by William J. McDonald.

Archive | 1982

Insulated drill collar gap sub assembly for a toroidal coupled telemetry system

William J. McDonald; William C. Maurer; David D. Nagel

Archive | 2001

Multi-gradient drilling method and system

William C. Maurer; George H. Medley; William J. McDonald

Archive | 1987

Guided earth boring tool

William J. McDonald; Gerard T. Pittard; William C. Maurer; Michael R. Wasson; William C. Herben

Archive | 1989

Controlled directional drilling system and method

William A. Rehm; William J. McDonald; William C. Maurer; Curtis E. Leitko

Archive | 1985

Steering system for percussion boring tools

William J. McDonald; Gerard T. Pittard; William C. Maurer; John H. Cohen; Gregory C. Givler

Archive | 1977

Down hole well drilling tool with reversible thrust bearings

William C. Maurer; Albert Richard Sinclair; William J. McDonald

Archive | 1985

Percussion boring tool

Gerard T. Pittard; William J. McDonald; William C. Maurer; John H. Cohen; Gregory C. Givler

Archive | 1988

Deviated wellbore drilling system and apparatus

William C. Maurer; William J. McDonald

Archive | 1999

Downhole buried utility sensing and data transmission system and method

J. Christopher Hetmaniak; William J. McDonald; Gerard T. Pittard

Archive | 1985

Pressure balanced bearing assembly for downhole motors

William C. Maurer; William J. McDonald

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William C. Maurer

Gas Technology Institute

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Gerard T. Pittard

Gas Technology Institute

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John H. Cohen

Gas Technology Institute

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Gregory C. Givler

Gas Technology Institute

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Michael R. Wasson

Gas Technology Institute

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William C. Herben

Gas Technology Institute

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Jack E. Bridges

Gas Technology Institute

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Joseph O. Enk

Gas Technology Institute

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Curtis E. Leitko

Gas Technology Institute

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Terry P. Clifton

Electric Power Research Institute

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