Patents
Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929)
05/2009
05/20/2009CN101438131A Calibration program and electronic compass
05/20/2009CN100489871C Underground pollution detection and analysis system, method and computer program product
05/20/2009CN100489562C Geomagnetic sensor for computing azimuth and method thereof
05/20/2009CN100489561C Educational geomagnetic field measurement experimental apparatus
05/20/2009CN100489560C Method for detecting reinforcing bar cage length in concrete pouring pile by magnetic logging method
05/20/2009CN100489267C Logging instrument of natural potential in high resolution
05/19/2009US7536262 Kalman filter approach to processing electromagnetic data
05/19/2009US7536261 Anti-symmetrized electromagnetic measurements
05/19/2009US7535795 Seismic data acquisition system and method for downhole use
05/19/2009US7535407 Apparatus using continuous-wave radiation for detecting and locating targets hidden behind a surface
05/19/2009US7535377 Wired tool string component
05/19/2009US7535231 Method for adjustment of a shim device of a magnetic resonance apparatus
05/19/2009US7535230 Magnetic resonance imaging apparatus and magnetic resonance imaging method
05/19/2009US7535229 NMR system and method having a permanent magnet providing a rotating magnetic field
05/19/2009US7535228 Sensor array for nuclear magnetic resonance imaging systems and method
05/19/2009US7535227 Method and apparatus for correcting distortion in MR images caused by metallic implants
05/19/2009US7535226 Nuclear magnetic resonance imaging apparatus
05/19/2009US7535225 Magnetic resonance apparatus having a superconducting basic field magnet with a structurally reinforced cryoshield
05/19/2009US7535224 Discrete magic angle turning system, apparatus, and process for in situ magnetic resonance spectroscopy and imaging
05/19/2009US7535223 Method and apparatus for polarization transfer in the detection enhancement of MR spectroscopy
05/19/2009US7535222 MRI data acquisition using propeller k-space data acquisition
05/19/2009US7534208 Device for the measurement of glucose concentrations
05/19/2009CA2644200A1 Seafood physical characteristic estimation system and method
05/19/2009CA2215506C Narrow field electromagnetic sensor system and method
05/17/2009CA2643900A1 Device and process for non-contacting determination of a state variable, in particular the position, of at least one pipeline pig
05/16/2009CA2617779A1 Pipeline condition detecting method and apparatus
05/14/2009WO2009061974A1 Coils for magnetic resonance spectroscopy and imaging of human breast
05/14/2009WO2009061481A1 Small magnet and rf coil for magnetic resonance relaxometry
05/14/2009WO2009060651A1 Vehicle detection method, vehicle detection unit, and vehicle detection device
05/14/2009WO2009012504A3 Rotor drive apparatus and methods utilizing center-fed radial -outflow gas
05/14/2009WO2008031021A3 A telemetry apparatus and method for monitoring a borehole
05/14/2009US20090125239 Rock and Fluid Properties Prediction From Downhole Measurements Using Linear and Nonlinear Regression
05/14/2009US20090121895 Oilfield Equipment Identification Method and Apparatus
05/14/2009US20090121720 Method for controlled source electromagnetic reconnaissance surveying
05/14/2009US20090121719 "method of marine electromagnetic survey using focusing electric current (variants)"
05/14/2009US20090121715 Vertical field mri shoulder coil
05/14/2009US20090121711 Thermally stabilized magnets for use downhole
05/14/2009CA2704674A1 Small magnet and rf coil for magnetic resonance relaxometry
05/13/2009CN101430599A Hand-hold electronic device
05/13/2009CN101430387A Nano-scale uranium particulate detection method based on soil gaseous water and gaseous water collector
05/13/2009CN100487494C 3D resistivity cascaded automatic imaging method
05/13/2009CN100487493C Magnetotelluric impedance measuring method
05/12/2009US7532151 Proximity sensor
05/12/2009US7532129 Apparatus and methods for conveying and operating analytical instrumentation within a well borehole
05/12/2009US7532009 Method and magnetic resonance apparatus for monitoring apparatus interaction with magnetically-attracted objects
05/12/2009US7532008 Material having magnetic permeability at R.F. frequency
05/12/2009US7532007 Remote sensing nuclear magnetic resonance apparatus
05/12/2009CA2499272C Simultaneous resolution enhancement and dip correction of resistivity logs through nonlinear iterative deconvolution
05/07/2009WO2009059070A1 Positioning correction system and method for single and multi-channel ground penetrating radar
05/07/2009WO2009058980A2 Formation testing and evaluation using localized injection
05/07/2009WO2009058692A2 System for seismic detection and analysis
05/07/2009WO2009058390A1 Geostatistical analysis and classification of individual core sample data
05/07/2009WO2009035883A3 Rf-switched superconducting resonators and methods of switching thereof
05/07/2009WO2009015252A9 System and method for estimating formation characteristics in a well
05/07/2009WO2007123824A3 Measurement while drilling tool and method
05/07/2009WO2007097787A3 Method for electromagnetic air-wave suppression by active cancellation and shielding
05/07/2009WO2007086840A3 A magnetic resonance system and method to detect and confirm analytes
05/07/2009WO2007062227A3 Cavity resonator for mr systems
05/07/2009WO2007056320A3 Permittivity measurements with oil-based mud imaging tool
05/07/2009WO2007024892A3 High accuracy survey-grade gis system
05/07/2009US20090117591 Fibrosis Markers
05/07/2009US20090115625 MWD data transmission
05/07/2009US20090115624 Communication system for communication with and remote activation of downhole tools and devices used in association with wells for production of hydrocarbons
05/07/2009US20090115623 Bidirectional Telemetry Apparatus And Methods For Wellbore Operations
05/07/2009US20090114014 Force and acceleration sensor using four wave mixing technique
05/07/2009US20090114011 Temperature and pressure sensor using four wave mixing technique
05/07/2009US20090114007 Chemical sensor using four wave mixing technique
05/06/2009EP2056128A2 Apparatus, system and method for receiving a vertical component of a signal and for determining a resistivity of a region below a geologic surface for hydrocarbon exploration
05/06/2009EP2054740A2 Reduction of noise in electrical field measurements
05/06/2009EP1922567A4 Method for wavelet denoising of controlled source electromagnetic survey data
05/06/2009CN201233721Y Multimedia player for hand cart
05/06/2009CN201233449Y Annular necklace for target detecting and searching
05/06/2009CN201233448Y 金属探测仪 Metal Detector
05/06/2009CN201232545Y Downhole wireless electromagnetical signal radiation apparatus while drilling
05/06/2009CN201232544Y Electric current field receiving antenna apparatus for measurement while drilling
05/06/2009CN101425149A Devices for monitoring action safety of human by utilizing electronic mark band and method thereof
05/06/2009CN100485417C Multi-parameter collecting system and long-distance monitoring system utilizing the same system
05/06/2009CN100485416C Method for surveying blind deposit with solid tide piezo-electric effect and spontaneous potential
05/05/2009US7529627 Method of sea electrical survey of oil and gas deposits and apparatus complex for its realization ‘VeSoTEM’
05/05/2009US7529625 Method and system for assessing pore fluid pressure behaviour in a subsurface formation
05/05/2009US7528762 Signal processing methods for ground penetrating radar from elevated platforms
05/05/2009US7528736 Loaded transducer for downhole drilling components
05/05/2009US7528605 Superconductive magnet device and magnetic resonance imaging apparatus
05/05/2009US7528604 Gradient coil system and MR imaging system embodying same
05/05/2009US7528603 Magnetic attraction preventive system
05/05/2009US7528602 Magnetic shielding apparatus and magnetic field measuring apparatus using same
05/05/2009US7528601 Three-dimensional slice-selective multi-slice excitation method in MRT imaging
05/05/2009US7528600 System and method for downhole time-of-flight sensing, remote NMR detection of fluid flow in rock formations
05/05/2009CA2485254C Induction measurements with reduced borehole effects
04/2009
04/30/2009WO2009055676A1 High resolution capacitance high conductivity fluid sensor
04/30/2009US20090112475 Mobile soil mapping system for collecting soil reflectance measurements
04/30/2009US20090110107 System and method for wireless signal communication in an oil field environment
04/30/2009US20090108845 System for seismic detection and analysis
04/30/2009US20090108206 MR-Compatible Blood Sampling System For PET Imaging Applications in Combined PET/MR Imaging System
04/30/2009CA2642385A1 Wireless flow sensor
04/29/2009EP2053426A1 Display device for a metal detector and method for improving the resolution of the indicator scale and metal detector
04/29/2009EP2052436A2 Multi-axial antenna and method for use in downhole tools
04/29/2009EP2052281A2 Device and method for detecting non-linear electronic components or circuits especially of a booby trap or the like
04/29/2009EP2052277A1 Method for permanent disturbance/destruction of electronics, in particular of a blast case or the like
04/29/2009EP2052267A2 Time lapse analysis with electromagnetic data