Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929)
11/2012
11/14/2012CN102780063A Method and apparatus for electromagnetic logging of a formation
11/14/2012CN102778699A Electromagnetic data terrain correction method
11/14/2012CN102778698A Searching tube testing device
11/14/2012CN102778697A Ferromagnetic target three-dimensional positioning method based on three-axis magneto-resistive sensor
11/14/2012CN102778696A Automatic detection device for trolley wheels
11/14/2012CN102778480A Electrically identifying method for aquosity of earth surface of mining-induced fissure zone of mining area under dry condition
11/14/2012CN102176060B Inductance approach switch sensor
11/14/2012CN101866016B Imaging device and detection method of dangerous goods in envelope
11/14/2012CN101243333B A detector for detecting a biielied current carrying conductor
11/13/2012US8311789 Monte Carlo simulation of well logging data
11/13/2012US8311745 Method for spatial filtering of electromagnetic survey data
11/13/2012US8311742 Estimating photospheric velocities for space-weather prediction
11/13/2012US8310239 Detecting electrical current in a magnetic structure
11/13/2012US8310238 Subsurface positioning system and method for monitoring movement underground
11/13/2012US8310237 Apparatus for and method of detecting a conductive object
11/13/2012US8310236 Continuous wave metal detector
11/13/2012US8310235 NMR apparatus for in situ analysis of fuel cells
11/13/2012US8310234 System for fat suppression in MR image acquisition
11/13/2012US8310233 Method for image reconstruction from undersampled medical imaging data
11/13/2012US8310232 NMR device for detection of analytes
11/13/2012US8310231 NMR device for detection of analytes
11/13/2012US8310200 Inductive chargers and inductive charging systems for portable electronic devices
11/09/2012DE202012008435U1 Fahrbares Trägersystem Mobile carrier system
11/08/2012WO2012151205A1 Catalytic multiecho phase unwrapping scheme
11/08/2012WO2012150934A1 Method for estimating formation parameters from imaginary components of measured data
11/08/2012US20120283952 Real-time casing detection using tilted and crossed antenna measurement
11/08/2012US20120283951 Methods and systems for determining formation parameters using a rotating tool equipped with tilted antenna loops
11/08/2012US20120280690 Method for Subsurface Electromagnetic Surveying Using Two or More Simultaneously Actuated Electromagnetic Sources
11/08/2012DE112010002800T5 Tausendfüßige Oberflächenspulen Tausendfüßige surface coils
11/08/2012CA2833777A1 Method for estimating formation parameters from imaginary components of measured data
11/07/2012EP2520951A2 Methods and systems for determining formation parameters using a rotating tool equipped with tilted antenna loops
11/07/2012EP2519845A2 Calibration method for a microresistivity logging tool
11/07/2012EP2519844A2 Random sampling for geophysical acquisitions
11/07/2012EP2519842A2 Improved binning method for borehole imaging
11/07/2012EP2519841A2 Logging tool employing a monopole current injection electrode for microresistivity imaging
11/07/2012EP2519840A2 Microresistivity anisotropy logging tool employing a monopole current injection electrode
11/07/2012EP2519839A1 Precise positioning using a distributed sensor network
11/07/2012CN202522711U Primary field excitation device based on transient electromagnetic method
11/07/2012CN202522710U Detection device based on transient electromagnetic method
11/07/2012CN102770784A Tow assembly for fixed wing aircraft for geophysical surveying
11/07/2012CN102768370A Hydrofracture fracture monitoring device and monitoring method based on electrokinetic coupling
11/07/2012CN102768369A Roadway drivage drilling induced polarization advance water probing forecasting method, device and probe
11/07/2012CN102768368A Vehicle detector circuit
11/07/2012CN102141636B Piston type telescoping electrode for through casing resistivity
11/07/2012CN102062878B Method for measuring formation conductivities from within cased wellbores
11/07/2012CN101915943B Joint inversion method of dielectric constant and concealed target parameters of homogeneous background media
11/07/2012CN101907730B Electromagnetic induction type metal part neglected loading detection device and detection method
11/07/2012CN101881839B Simple fast-installing type metal detection door
11/07/2012CN101542317B Localization system for an earthmoving machine
11/07/2012CN101123890B Method of estimating fracture geometry, compositions and articles used for the same
11/06/2012USRE43784 Magnetic resonance imaging using preparation scan for optimizing pulse sequence
11/06/2012US8306941 System and method for identifying trees using LiDAR tree models
11/06/2012US8306750 Computer-automated spatial analysis
11/06/2012US8306638 Mote presentation affecting
11/06/2012US8305230 Method and apparatus for initialization of a wellbore survey tool
11/06/2012US8305229 System for wireless communication along a drill string
11/06/2012US8305228 Method and apparatus for locating a plug within the well
11/06/2012US8305083 Calibration method for a microresistivity logging tool
11/06/2012US8305082 Calibration of XX, YY and ZZ induction tool measurements
11/06/2012US8305081 Cancellation of vibration noise in deep transient resistivity measurements while drilling
11/06/2012US8305080 Power supply for magnetic resonance imaging system
11/06/2012US8305079 Magnetic resonance imaging apparatus and gradient coil cooling control method
11/06/2012US8305078 Method of performing MRI with an atomic magnetometer
11/06/2012US8305077 Phase sensitive radio frequency mapping for magnetic resonance imaging
11/06/2012US8305076 Device and method for generating mechanical oscillations in an examination object using magnetic resonance elastography
11/06/2012CA2739630A1 Vehicular system for pulse type electromagnetic geophysical prospecting, method for manufacturing the system and corresponding detection methods
11/06/2012CA2514609C Measuring equipment and method for mapping the geology in an underground formation
11/01/2012WO2012149006A2 Formation resistivity imager with reduced leakage to mandrel
11/01/2012WO2012148768A1 Method and apparatus for laser-based non-contact three-dimensional borehole stress measurement and pristine stress estimation
11/01/2012WO2012146433A2 Method and apparatus for line detection
11/01/2012WO2012116072A9 Multi-phase region analysis method and apparatus
11/01/2012WO2011138065A3 Detection of a metal ot magnetic object
11/01/2012US20120274477 Reliable downhole data transmission system
11/01/2012US20120274476 Virtual white lines for delimiting planned excavation sites
11/01/2012US20120274475 Automated Well Control Method and Apparatus
11/01/2012US20120274330 Underground cavity detection by electromagnetic shock waves
11/01/2012US20120274329 Imaging in Oil-Based Mud by Synchronizing Phases of Currents Injected Into a Formation
11/01/2012US20120274328 Axial high voltage transformer with signal pass-through ability
11/01/2012US20120273271 Measurement-while-drilling mud pulser and method for controlling same
11/01/2012US20120272724 High resolution lwd imaging
11/01/2012CA2827521A1 Formation resistivity imager with reduced leakage to mandrel
10/2012
10/31/2012EP2517051A1 Method and device for identifying a subset of measurements, method and system for locating an object, recording medium for these methods
10/31/2012DE102011017761A1 Verfahren und Vorrichtung zur Leitungsdetektion Method and apparatus for line detection
10/31/2012DE102010007620B4 Näherungssensor Proximity sensor
10/31/2012CN202512251U Marine controlled-source electromagnetic surveying system
10/31/2012CN202512250U wall-collision detecting device of polycrystalline silicon rod
10/31/2012CN202512249U Drill hole resistivity method exploration device
10/31/2012CN202510114U Nuclear magnetic resonance logging tool multipoint calibration device
10/31/2012CN102763142A Intruding object identification device
10/31/2012CN102763007A Receiver coil assembly for airborne geophysical surveying with noise mitigation
10/31/2012CN102763006A Apparatus and methods for providing information about one or more subterranean variables
10/31/2012CN102759754A Tunnel arch crown detection device
10/31/2012CN102759753A Method and device for detecting hidden dangerous article
10/31/2012CN102759752A Metal detection device and detection method
10/31/2012CN102759751A High-resolution three-dimensional resistivity CT (Computed Tomography) imaging advanced prediction system and method of underground engineering
10/31/2012CN101775983B Sandstone reservoir water layer resistivity-based stratum data processing method
10/31/2012CN101573636B Arrangement and method for detecting and/or locating a magnetic material in a region of action, use of an arrangement in the examination of buildings
10/31/2012CN101478322B Low frequency communication receiving system
10/31/2012CN101313227B Detection object identifying/position estimating system, its method, and program
10/30/2012US8301384 Wellbore logging performance verification method and apparatus
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