173311 ⎘
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with fields produced by spontaneous potentials, e.g. electrochemical or produced by telluric currents
HIGH-FREQUENCY MAGNETOTELLURIC SOUNDING INSTRUMENT-BASED INVERSION METHOD FOR ENERGY SPECTRUM
#2DEVICE AND METHOD FOR GEO-ELECTRIC EXTRACTION UNDER WATER LAYER COVERAGE
#3Device for monitoring deep-sea sediment environment in mining polymetallic nodules
#4Methods of searching for mineral resources by analyzing geochemical and other anomalies during gravitational resonances
#5Method for collecting and processing tensor artificial-source electromagnetic signal data and device thereof
#6Capacitive electromagnetic formation surveillance using passive source
#7Method of locating coal-rock main fracture by electromagnetic radiation from precursor of coal-rock dynamic disaster
#8Low-frequency receiver coil suspension system
#9Capacitive electromagnetic formation surveillance using passive source
#10Resource estimation system and resource estimation method
#11Electromagnetic imaging for structural inspection
#12Detection and imaging of subsurface high impedance contrast objects
#13Gradient-based single well ranging system for SAGD application
#14Sensing cable with parallel spiral transmission line structure for distributed sensing and measuring of rock-soil mass deformation
#15Determination of oil saturation in reservoir rock using paramagnetic nanoparticles and magnetic field
#16Method for determining porosity, pore size and zeta potential of porous bodies
#17Method for locating sub-surface natural resources
#18Data acquisition method with a three dimensional small bin electromagnetic consecutive array
#19Detection of Resistivity of Offshore Seismic Structures Mainly Using Vertical Magnetic Component of Earth's Naturally Varying Electromagnetic Field
#20SYSTEM FOR SEISMIC DETECTION AND ANALYSIS
#21Seismic activity detector
#22Three-axis marine electric field sensor for seafloor electrical resistivity measurement
#23Methods of processing magnetotelluric signals
#24Method for detecting an occurrence zone of a mantle diapir finger location
#25Electrode configurations for suppression of electroseismic source noise
#26Method of seismo electromagnetic detecting of hydrocarbon deposits
#27Electromagnetic impulse survey apparatus and method utilizing a magnetic component electromagnetic antenna
#28Method and system for seafloor geological survey using vertical electric field measurement
#29Seismic activity detector
#30Floating vessel based system for generating a multidimensional seismic data set for a target area