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)
12/2009
12/22/2009CA2482329C Nmr antenna with slotted metal cover
12/22/2009CA2480813C Apparatus and method for resistivity measurements during rotational drilling
12/17/2009WO2009152014A2 Apparatus and system for geosteering and formation evaluation utilizing improved antennas
12/17/2009WO2009151937A2 Layer stripping method
12/17/2009WO2009151867A2 Multiple magnetic sensor ranging method and system
12/17/2009WO2009151835A1 Magnetic ranging and controlled earth borehole drilling
12/17/2009WO2009151822A1 Measurement of formation parameters using rotating directional em antenna
12/17/2009WO2009151444A1 Method and system of transmitting electromagnetic waves from a wellbore
12/17/2009WO2009150432A2 Method for subsurface electromagnetic surveying using two or more simultaneously actuated electromagnetic sources
12/17/2009WO2009120816A3 Determination of irreducible water cut-off using two dimensional nuclear magnetic resonance data
12/17/2009WO2009076183A3 Apparatus and system for well placement and reservoir characterization
12/17/2009WO2009018040A4 Method and computer program product for determining a degree of similarity between well log data
12/17/2009WO2008144510A4 Water mapping using surface nmr
12/17/2009US20090309602 Sequential resistivity imaging with asymmetric electrode arrays
12/17/2009US20090309601 electromagnetic logging apparatus and method
12/17/2009US20090309600 Measurement of formation parameters using rotating directional em antenna
12/17/2009US20090309599 Method for subsurface electromagnetic surveying using two or more simultaneously actuated electromagnetic sources
12/17/2009US20090309598 Apparatus for supplying stable, isolated dc power and method of making same
12/17/2009US20090309593 Micelle solution to reduce dielectric resonance effects in mri phantoms
12/17/2009US20090309591 Displaced electrode amplifier
12/17/2009US20090308657 Magnetic ranging and controlled earth borehole drilling
12/17/2009CA2727616A1 Magnetic ranging and controlled earth borehole drilling
12/17/2009CA2727610A1 Multiple magnetic sensor ranging method and system
12/17/2009CA2723903A1 Method for subsurface electromagnetic surveying using two or more simultaneously actuated electromagnetic sources
12/17/2009CA2719651A1 Method and system of transmitting electromagnetic waves from a wellbore
12/17/2009CA2718784A1 Layer stripping method
12/16/2009EP2133714A1 Method and apparatus for parallel data acquisition from an MRI coil array
12/16/2009EP2133709A1 Detection of a concealed object
12/16/2009CN101604031A Improved rivet checking device before assembly and rivet pressing of bearing holder
12/16/2009CN101603991A Electric field detector based on CMOS6 NOT gate
12/16/2009CN101603423A Direct current method for bed-parallel advanced detection of water bearing structure in mine tunnel
12/16/2009CA2669164A1 Remote identification equipped self-service monetary item handling device
12/16/2009CA2669163A1 Monetary package security during transport through cash supply chain
12/15/2009US7634303 Dielectric element and method for generating a magnetic resonance image therewith
12/15/2009US7633518 Object detection portal with video display overlay
12/15/2009US7633296 Receivers and methods for electromagnetic measurements
12/15/2009US7633295 Magnetic resonance stage microscope
12/15/2009US7633294 Electromagnetic shielding for high field MRI coils
12/15/2009US7633293 Radio frequency field localization for magnetic resonance
12/15/2009US7633292 Method of reducing eddy currents caused by a gradient magnetic field in a magnetic resonance system
12/15/2009US7633291 Magnetic resonance system and method for determining a diffusion-weighted image
12/15/2009US7633290 Apparatus and method for a fully automated preparation of a hyperpolarizing imaging agent
12/15/2009US7633282 Multi-scanner device having a detachable outlet tester
12/15/2009US7631507 Methods and devices for polarized samples for use in MRI
12/15/2009CA2543039C Directional acoustic telemetry receiver
12/10/2009WO2009148900A2 Acquiring near-zero offset survey data
12/10/2009WO2009148871A2 Resistivity imager in non-conductive mud for lwd and wireline application
12/10/2009WO2009148524A2 Electromagnetic subterranean imaging instrument
12/10/2009WO2009146686A2 Data transmission system having positioning, identification and measuring functions and method therefor
12/10/2009US20090306900 Rapid Inversion of Electromagnetic Reconnaisance Survey Data
12/10/2009US20090306899 Geophysical surveying
12/10/2009US20090306896 Apparatus for Formation Resistivity Imaging in Wells with Oil-Based Drilling Fluids
12/10/2009US20090306895 Geophysical surveying
12/10/2009US20090302854 Apparatus for Formation Resistivity Imaging in Wells with Oil-Based Drilling Fluids
12/10/2009US20090302853 High resolution magnetotelluric method for removing static frequency domain
12/10/2009US20090302852 Measuring casing attenuation coefficient for electro-magnetics measurements
12/10/2009US20090302851 Modular geosteering tool assembly
12/10/2009US20090302850 Electromagnetic subterranean imaging instrument
12/10/2009US20090302849 Electromagnetic exploration
12/10/2009US20090302848 Apparatus and method for logging
12/10/2009US20090302847 Multi-axial antenna and method for use in downhole tools
12/10/2009DE202009009262U1 Kontrollgerät für metallische Überstände Control device for metallic supernatants
12/10/2009CA2725105A1 Electromagnetic subterranean imaging instrument
12/09/2009EP2131213A2 Manual digging device
12/09/2009EP2130066A2 Device and method for measuring the mass of a magnetic material, and analysis apparatus including such device
12/09/2009CN101600975A Gravity survey data processing
12/09/2009CN101598813A High-reliability microwave induction controller
12/08/2009US7630797 Accuracy enhancing system for geospatial collection value of an image sensor aboard an airborne platform and associated methods
12/08/2009US7630517 Computer-based generation and validation of training images for multipoint geostatistical analysis
12/08/2009US7629793 Correction of misalignment of antennas in a logging tool
12/08/2009US7629792 Correction of misalignment of antennas in a downhole logging tool
12/08/2009US7629791 Method and apparatus for making multi-component measurements in deviated wells
12/08/2009US7629790 System for electronic detection of military threats
12/08/2009CA2503977C Disposable mini-applications
12/06/2009CA2634105A1 System and method for wireless communications
12/03/2009WO2009146431A1 Electromagnetic exploration
12/03/2009WO2009146005A2 Signal generator for electromagnetic surveying
12/03/2009WO2009117206A3 Method and apparatus for measuring true vertical depth in a borehole
12/03/2009WO2009114250A3 Downhole spread spectrum induction instruments
12/03/2009WO2009108881A3 System and method to locate, monitor and quantify friction between a drillstring and a wellbore
12/03/2009WO2009108876A3 Acoustic modified nmr (amnmr)
12/03/2009WO2009105660A3 Distributed sensors for dynamics modeling
12/03/2009WO2009105659A3 Echo-decay-acceleration data acquisition method for gas identification using a low-field gradient
12/03/2009US20090295597 System and method for remotely controlling down-hole operations
12/03/2009US20090295394 Sensor cable for electromagnetic surveying
12/03/2009US20090295393 Octupole Induction Sensors for Resistivity Imaging in Non-Conductive Muds
12/03/2009US20090295392 Resistivity Imager in Non-Conductive Mud for LWD and Wireline Applications
12/03/2009US20090295391 Combined Electromagnetic Sensor and Magnetometer
12/03/2009DE112007001720T5 System und Verfahren mit Radial versetzten Antennen für elektromagnetische Widerstands-Bohrlochmessung System and method with radial offset antennas for electromagnetic resistivity logging measurement
12/03/2009DE102008025409A1 Magnetometer has four contact hall sensor, current source, switching system, call unit and storage unit, where hall sensor is formed symmetrically to current lines that pass through four contacts
12/03/2009CA2725301A1 Electromagnetic exploration
12/03/2009CA2666891A1 Process for optimizing the operation of an active lateral-view sensor when the height above the surface to be detected is variable
12/02/2009EP2128655A2 Excavator data acquisition and control system and process
12/02/2009EP2126612A1 Fluid level sensing device and methods of using same
12/02/2009CN101595400A Apparatus for monitoring a product flow for disruptive occlusions
12/02/2009CN101593410A Security monitoring system of coach bus
12/02/2009CN101592739A Transmitter of a system for detecting a buried conductor
12/02/2009CN101592031A A combined propagation and lateral resistivity downhole tool
12/02/2009CN100565247C Long distance intelligent metal detector
12/02/2009CN100564797C System for accommodating insert tool