173313 ⎘
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; Controlled source electromagnetic [CSEM] surveying Sources
A POWER SOURCE ASSEMBLY
#2METHOD FOR MEASURING SPECTRUM PARAMETERS OF FORMATION OUTCROP AND ROCK MASS
#3SEPARATED MULTI-CORE TRANSMITTING DEVICES BASED ON GROUND TRANSIENT ELECTROMAGNETIC METHODS
#4System and method for controlled-source electromagnetic exploration based on staggered frequency excitation of crossed sources
#5GEOPHYSICAL SURVEYING APPARATUS, SYSTEM AND METHOD
#6GEOPHYSICAL SURVEYING APPARATUS, SYSTEM AND METHOD
#7METHOD OF DETECTION IN AN ELECTRICALLY CONDUCTIVE MEDIUM
#8EXPLORATION SYSTEM, MAGNETIC DETECTION APPARATUS, AND EXPLORATION METHOD
#9METHOD FOR MEASURING THE BURIAL DEPTH OF A LINE AND DEVICE
#10Heterogeneous subsurface imaging systems and methods
#11EMU impulse antenna for low frequency radio waves using giant dielectric and ferrite materials
#12EMU impulse antenna
#13Three-dimensional digital virtual imaging device and method for stratigraphic texture of borehole core
#14Three-dimensional directional transient electromagnetic detection device and method for mining borehole
#15EMU impulse antenna for low frequency radio waves using giant dielectric and ferrite materials
#16EMU impulse antenna
#17Towable electromagnetic source equipment
#18Pulsed eddy current casing inspection tool
#19Electromagnetic telemetry using capacitive surface electrodes
#20Semi-rigid airborne electromagnetic transmitter antenna system
#21Bipole source modeling
#22Smart wearable mine detector
#23System and method for in-sea electrode conditioning
#24Joint inversion of subsurface resistivity and noise parameters
#25Methods and apparatus for electromagnetic surveying using dynamically-selected source waveforms
#26Method of Mapping Resistive or Conductive Targets onshore or offshore and an Apparatus for Applying the Method
#27Method and system for broadband measurements using multiple electromagnetic receivers
#28Reliable wired-pipe data transmission system
#29Airborne electromagnetic system with rigid loop structure comprised of lightweight modular non-rotational frames
#30Methods and systems for joint seismic and electromagnetic data recording
#31Super-resolution formation fluid imaging with contrast fluids
#32Method and system of using a data weighted electromagnetic source for time-lapse monitoring of a reservoir production or hydraulic fracturing
#33System and method for in-sea electrode conditioning
#34Noise reduction systems and methods for a geophysical survey cable
#35Electrode assembly for marine electromagnetic geophysical survey sources
#36Power converter and electrode combinations for electromagnetic survey source
#37Reliable wired-pipe data transmission system
#38Method for hydrocarbon reservoir mapping and apparatus for use when performing the method
#39Method for positioning and predicting concealed orebody based on parallel double-tunnel transient electromagnetic exploration
#40Floating vessel based system for generating a multidimensional seismic data set for a target area
#41Nulled-signal utility locating devices, systems, and methods