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Dive into the research topics where James H. Sexton is active.

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Featured researches published by James H. Sexton.


Journal of the Acoustical Society of America | 1983

System for conducting resonance measurements of rock materials under confining pressure

Lucien Masse; William L. Medlin; James H. Sexton

A confining pressure system includes a pressure cell containing a mechanical oscillator and a gas supply for carrying out resonance measurements of rock material under confining pressure at seismic frequencies. An appropriate gas is used to avoid significant damping of oscillations under confining pressures of various ranges.


Journal of the Acoustical Society of America | 1983

Sonic attenuating method for distinguishing between oil, water, and gas

William L. Medlin; Lucien Masse; James H. Sexton

A novel method is disclosed for using the resonance behavior of reservoir sand to distinguish between oil-rich, gas-rich and water-rich zones. A wellbore is logged, as for example with a long spaced acoustic logging tool, to obtain data which are then interpreted to determine the damping of the acoustic signal in one sand versus another, or in that sand versus a reference sand having similar resonance characteristics.


Archive | 1977

Well drilling system

Bobbie J. Patton; James H. Sexton; Wilton Gravley; C. Mackay Foster


Archive | 1972

Logging-while-drilling tool

Wilton Gravley; Bobbie J. Patton; James H. Sexton; Slover


Archive | 1972

METHOD AND APPARATUS FOR SURFACE-TO-DOWNHOLE COMMUNICATION

John W. Harrell; Bobbie J. Patton; James H. Sexton


Archive | 1973

LOGGING-WHILE-DRILLING ENCODER

James H. Sexton; Bobbie J. Patton; John W. Harrell


Archive | 1972

Method and apparatus for controlling the downhole acoustic transmitter of a logging-while-drilling system

John W. Harrell; James H. Sexton


Archive | 1974

Automatic bit synchronization method and apparatus for a logging-while-drilling receiver

James H. Sexton; Bobbie J. Patton; John W. Harrell


Archive | 1984

Method and system for displacing drilling fluid from a drill string in a well drilling system

Thomas B. Dellinger; William G. Boston; James H. Sexton; Robert T. Strong


Archive | 1979

Method of identifying gas, oil and water zones in a subsurface formation

Lucien Masse; W. Louis Medlin; James H. Sexton

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