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)
10/2012
10/17/2012CN101351726B A method for hydrocarbon reservoir mapping and apparatus for use when performing the method
10/16/2012US8289201 Method and apparatus for using non-linear ground penetrating radar to detect objects located in the ground
10/16/2012US8289025 Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction
10/16/2012US8289024 Method and apparatus for locating well casings from an adjacent wellbore
10/16/2012US8289023 Geophysical prospecting using rotationally invariant parameters of natural electromagnetic fields
10/16/2012US8289022 Magnetic resonance compatible magnetic field detection, based on diffuse reflectance of nano-magnet sets
10/16/2012US8289018 Gradient magnetometer atom interferometer
10/11/2012WO2012082774A3 System and method for downhole communication
10/11/2012WO2012075139A3 Self adaptive two dimensional least square filter for distributed sensing data
10/11/2012US20120259551 Measurement of invasion depth while drilling utilizing streaming potential
10/11/2012US20120256759 System and Method for Downhole Telemetry
10/11/2012US20120256635 Position sensor for well tools
10/11/2012US20120256634 Electrode system and sensor for an electrically enhanced underground process
10/11/2012US20120256631 Apparatus and method for determining the homogeneity of a fluid flow
10/10/2012EP2235667B1 Manufacture of a smart card
10/10/2012CN202486328U Space vector method underground metal pipeline position detecting device
10/10/2012CN202486327U Cable path detecting instrument
10/10/2012CN202485876U Landfill leachate leakage and leakage position measuring device
10/10/2012CN102725576A Method of maintaining a pipeline
10/10/2012CN102722995A Parking space detection method, system thereof and parking space occupied probability calculation device
10/10/2012CN102722987A Roadside parking space detection method
10/10/2012CN102722961A Geomagnetic anomaly alarm
10/10/2012CN102721982A Ground electromagnetic prospecting method based on SPSP (Spread Spectrum) coding technology and detection system thereof
10/10/2012CN102721981A Underground pipeline distribution detection device and method based on rectangular hollow core sensor array
10/10/2012CN102721980A Corresponding-type universal detector
10/10/2012CN102721961A Time-share rotary scanning detection method for radar vital sign detector
10/10/2012CN102096111B Transmitting-receiving antenna separation type nuclear magnetic resonance water exploring device and water exploring method
10/10/2012CN102062877B Nuclear magnetic resonance detection device and method for advanced detection of water bodies in front
10/10/2012CN101256235B Subsurface imaging radar
10/09/2012US8284075 Apparatus and methods for self-powered communication and sensor network
10/09/2012US8284074 Method of determination of a stuck point in drill pipes by measuring the magnetic permeability of pipes
10/09/2012US8284073 Downlink while pumps are off
10/09/2012US8283927 Amplifier
10/09/2012US8283926 Magnetic resonance imaging of single domain nanoparticles
10/09/2012US8283925 Magnetic resonance method and apparatus to reduce distortions in diffusion imaging
10/09/2012US8283924 Eddy-current artifact reduction in balanced steady-state free precession magnetic resonance imaging
10/09/2012US8283923 Mechanical pick-up with reduced impact force by using a rotating intermediate part
10/09/2012US8283922 Efficient heteronuclear decoupling by quenching rotary resonance in solid-state NMR
10/09/2012US8281663 Active acoustic driver for magnetic resonance elastography
10/09/2012CA2511447C Stable heli-borne vector platform for performing geophysical measurements
10/04/2012WO2012135803A2 Method of directional resistivity logging
10/04/2012WO2012135607A2 Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal
10/04/2012WO2012135606A2 Formation resistivity measurements using phase controlled currents
10/04/2012WO2012135604A2 Formation resistivity measurements using multiple controlled modes
10/04/2012WO2012134974A2 Selecting a survey setting for characterizing a target structure
10/04/2012WO2012134468A1 Systems and methods for ranging while drilling
10/04/2012WO2012132818A1 Detecting device, power transmitting device, power receiving device, power supply system and detecting method
10/04/2012WO2012131461A1 Methods and apparatuses for the simultaneous detection of multiple radio frequency identification tags
10/04/2012WO2012130847A1 Method and device for characterization of physical properties of a target volume by electromagnetic inspection
10/04/2012WO2012129654A1 Multi-component electromagnetic prospecting apparatus and method of use thereof
10/04/2012WO2012103397A3 Two dimensional nmr of diffusion and relaxation for material characterization
10/04/2012WO2012082559A3 Providing an electromagnetic source array having a plurality of electrodes
10/04/2012WO2012082552A3 Electromagnetic measurements using a sensor cable having improved characteristics
10/04/2012WO2012078512A3 Electromagnetic array for subterranean magnetic ranging operations
10/04/2012WO2012078510A3 Methods for improved active ranging and target well magnetization
10/04/2012WO2012075365A3 Mining systems and methods
10/04/2012US20120249149 Modular geosteering tool assembly
10/04/2012US20120247198 Modular apparatus and method for making measurements in boreholes
10/04/2012CA2829617A1 Multi-component electromagnetic prospecting apparatus and method of use thereof
10/04/2012CA2827428A1 Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal
10/04/2012CA2827219A1 Formation resistivity measurements using phase controlled currents
10/04/2012CA2827217A1 Formation resistivity measurements using multiple controlled modes
10/03/2012EP2506040A1 Method and device for characterization of physical properties of a target volume by electromagnetic inspection.
10/03/2012EP2506030A1 Sensor Assembly for Detecting Materials Using a Microwave Emitter and Method
10/03/2012EP2504723A1 Receiver coil assembly for airborne geophysical surveying with noise mitigation
10/03/2012CN202471990U An anti-interference robust three-dimensional-space geomagnetic sensing unit
10/03/2012CN202471989U Metal locator
10/03/2012CN202471988U High-precision metal detection sensor device
10/03/2012CN202471648U Metal detection device
10/03/2012CN1911171B Wireless position transducer with digital signalling
10/03/2012CN102713682A Self shielded gradient coil
10/03/2012CN102713670A Millimeter wave image pickup device, millimeter wave image pickup system and program
10/03/2012CN102713592A Three dimensional imaging of a mass flow
10/03/2012CN102707659A Master control system of transient electromagnetic detecting instrument and use method of master control system
10/03/2012CN102707323A Controllable source audio-frequency magnetic field sounding method for geological exploration
10/03/2012CN102707322A Human body detection device based on millimeter wave imaging
10/03/2012CN102707321A Receiving and collecting system and method for transient electromagnetic instrument
10/03/2012CN102707320A Method and device for automatically removing electromagnetic coupling in induced polarization measurement
10/03/2012CN102704921A Measuring device for electrical resistivity of electromagnetic waves while drilling and measuring method thereof
10/03/2012CN102176061B Radar satellite remote sensing coal-exploration method
10/03/2012CN102013192B Spit judgment device and judgment method thereof
10/03/2012CN101893721B Wide-dynamic-range high-temperature superconducting magnetometer
10/03/2012CN101614725B Security door
10/03/2012CN101479628B Method and apparatus for building a tilted antenna
10/02/2012US8280638 Multi-station analysis of magnetic surveys
10/02/2012US8280634 Utility mapping and data distribution system and method
10/02/2012US8280453 Adapting portable electrical devices to receive power wirelessly
10/02/2012US8278931 Anisotropy orientation image from resistivity measurements for geosteering and formation evaluation
10/02/2012US8278930 Deep MWD resistivity measurements using EM shielding
10/02/2012US8278929 Determining orientation for seafloor electromagnetic receivers
10/02/2012US8278928 Apparatus and method for detection of position of a component in an earth formation
10/02/2012US8278926 Method for determining attenuation values of an object
10/02/2012US8278925 Method for relaxation-compensated fast multi-slice chemical exchange saturation transfer MRI
10/02/2012US8278924 Method of performing an MRI reference scan
10/02/2012US8278923 Downhole orientation sensing with nuclear spin gyroscope
10/02/2012US8278922 Continuous wettability logging based on NMR measurements
10/02/2012US8278921 Apparatus and method for detecting metallic objects in shoes
10/02/2012US8278918 Method for operating of a metal detection system and metal detection system
09/2012
09/27/2012WO2012129058A2 Correction of deep azimuthal resistivity measurements for bending
09/27/2012US20120242343 Carbon aerogel based electrode for electric field measurements in water
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