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Dive into the research topics where Richard A. Rosthal is active.

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Featured researches published by Richard A. Rosthal.


Archive | 1987

INDUCTION LOGGING METHOD AND APPARATUS INCLUDING MEANS FOR COMBINING ON-PHASE AND QUADRATURE COMPONENTS OF SIGNALS RECEIVED AT VARYING FREQUENCIES AND INCLUDING USE OF MULTIPLE RECEIVER MEANS ASSOCIATED WITH A SINGLE TRANSMITTER

Richard N. Chandler; Richard A. Rosthal


Archive | 1999

Method and apparatus for directional well logging with a shield having sloped slots

Brian Clark; Richard A. Rosthal; Dean M. Homan; Dzevat Omeragic; Stephen D. Bonner; Scott S. Chesser; Thomas D. Barber


Archive | 1992

Method and apparatus for investigating earth formations

Brian Clark; Martin Luling; Stephen D. Bonner; Jacques Jundt; Abdullah A. Bagersh; Richard A. Rosthal


Archive | 1992

Apparatus and method for determining the resistivity of earth formations

Stephen D. Bonner; Richard A. Rosthal; Abdullah A. Bagersh


Archive | 2003

Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole

Richard A. Rosthal; Dean M. Homan; Thomas D. Barber; Stephen D. Bonner; Brian Clark; Dzevat Omeragic


Archive | 1999

Method and apparatus for evaluating the resistivity of formations with high dip angles or high-contrast thin layers

Gerald N. Minerbo; Richard A. Rosthal


Archive | 2002

Directional electromagnetic measurements insensitive to dip and anisotropy

Gerald N. Minerbo; Dzevat Omeragic; Richard A. Rosthal


Archive | 1991

Dipmeter apparatus and method using transducer array having longitudinally spaced transducers

Brian Clark; Stephen D. Bonner; Jacques Jundt; Martin Luling; Richard A. Rosthal


Archive | 1991

Method and apparatus for determining horizontal conductivity and vertical conductivity of earth formations

Richard A. Rosthal


Archive | 2000

Shielding method and apparatus using transverse slots

Dzevat Omeragic; Jean Seydoux; Richard A. Rosthal

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