ANTENNA ASSEMBLIES FOR ELECTROMAGNETIC BOREHOLE LOGGING SONDE

FIELD: electromagnetic logging of boreholes. ^ SUBSTANCE: antennas used for electromagnetic logging sondes have one or more electrical conductors disposed around core. Conductor or conductors are disposed so that antenna has first and second dipole magnetic moments actually perpendicular to core lon...

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Hauptverfasser: KHEJZEN GEHRI A, KHOUMAN DIN M, SMIT DEHVID L, BARBER TOMAS D, TABANU ZHAK R, ROSTAL RICHARD A, REHJ POL MAJKL
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creator KHEJZEN GEHRI A
KHOUMAN DIN M
SMIT DEHVID L
BARBER TOMAS D
TABANU ZHAK R
ROSTAL RICHARD A
REHJ POL MAJKL
description FIELD: electromagnetic logging of boreholes. ^ SUBSTANCE: antennas used for electromagnetic logging sondes have one or more electrical conductors disposed around core. Conductor or conductors are disposed so that antenna has first and second dipole magnetic moments actually perpendicular to core longitudinal axis and third dipole magnetic moment parallel to core longitudinal axis. In addition, antenna has independent electrical conductor disposed on core for varying first magnetic moment. ^ EFFECT: enhanced effectiveness of measuring subsurface rock properties. ^ 22 cl, 15 dwg
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
DETECTING MASSES OR OBJECTS
ELECTRICITY
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title ANTENNA ASSEMBLIES FOR ELECTROMAGNETIC BOREHOLE LOGGING SONDE
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