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
12/02/2009CN100564796C Method and system for determination of borehole geometry inside cased wells
12/02/2009CA2666993A1 Combined electromagnetic sensor and magnetometer
12/01/2009US7627155 Fast geometric flows based white matter fiber tract segmentation in DT-MRI
12/01/2009US7626393 Apparatus and method for measuring movement of a downhole tool
12/01/2009US7626392 Antenna unit for a PET/MRI scanner
12/01/2009US7626391 High-throughput systems for magic-angle spinning nuclear magnetic resonance
12/01/2009US7626390 Electroacoustic cable for magnetic resonance applications
12/01/2009US7626389 PET/MR scanner with time-of-flight capability
12/01/2009US7626388 Magnetic resonance imager
12/01/2009US7626387 MRI apparatus and method using sample filtering based on time shifts caused by temporal variations in magnetic field strength
12/01/2009US7626386 Singlet-state exchange NMR spectroscopy for the study of very slow dynamic processes
12/01/2009US7626385 System, method and apparatus for MRI maintenance and support
12/01/2009US7626149 Non-invasive sensor and method of use
11/2009
11/26/2009WO2009143424A2 Real-time nmr distribution while drilling
11/26/2009WO2009143409A2 Reliable downhole data transmission system
11/26/2009WO2009142868A2 Drilling wells in compartmentalized reservoirs
11/26/2009WO2009142840A2 Methods and apparatus to form a well
11/26/2009WO2009142779A1 Methods for magnetic imaging of geological structures
11/26/2009WO2009140734A1 Means for isolating rotational vibration to sensor
11/26/2009WO2009108596A3 Method of determining a transient electromagnetic response of a formation
11/26/2009WO2009097507A3 Methodology for interpretation and analysis of nmr distributions
11/26/2009WO2009097392A3 Characterization of fracture length and formation resistivity from array induction data
11/26/2009WO2009045938A3 Determining correction factors representing effects of different portions of a lining structure
11/26/2009US20090292473 Real-Time NMR Distribution While Drilling
11/26/2009US20090292472 Method for the Characterization of Geological Formations
11/26/2009US20090292471 Statistical Correction for Standoff in Two-Terminal Imager Operating in Oil-Based Mud
11/26/2009US20090289808 Reliable downhole data transmission system
11/26/2009US20090289634 Distinguishing False Signals in Cable Locating
11/26/2009US20090289628 Determination of oil viscosity and continuous gas oil ratio from nuclear magnetic resonance logs
11/26/2009US20090289627 Method of determining a formation parameter
11/26/2009CA2725133A1 Drilling wells in compartmentalized reservoirs
11/26/2009CA2725113A1 Means for isolating rotational vibration
11/26/2009CA2724989A1 Methods for magnetic imaging of geological structures
11/25/2009EP2121203A1 Method and device for differentiating objects influencing an electromagnetic alternating field, particularly metal objects
11/25/2009CN201352262Y Magnetic anomaly detection system
11/25/2009CN100562765C Interference suppression circuit for industrial frequency harmonic of desired signal in frequency band of weak signal detection apparatus
11/25/2009CN100562764C Natural potential continuous section exploration method
11/25/2009CN100562373C Sorting device for waste beverage container and sorting method
11/24/2009US7623968 Determination of porosity and fluid saturation of underground formations
11/24/2009US7622928 RF traps for radio frequency coils used in MRI
11/24/2009US7622927 Magnetic resonance apparatus with RF amplifier(s) disposed within the spaced distance between the primary and secondary gradient coil windings
11/24/2009US7622926 Magnetic resonance imaging apparatus
11/24/2009US7622925 Parallel MR imaging method with MRI multi-turn coils having different pitch/sensitivity distributions
11/24/2009US7622924 Method and apparatus for k-space and hybrid-space based image reconstruction for parallel imaging and artifact correction
11/24/2009US7622923 Method and apparatus for acquisition of magnetic resonance data
11/24/2009US7622922 Magnetic resonance imaging with short echo times
11/24/2009US7622921 Method and device for monitoring radio-frequency exposure in a magnetic resonance measurement
11/24/2009US7622920 Magnetic resonance imaging apparatus capable of automatically determining RF coil positions
11/24/2009US7622919 Nuclear magnetic resonance measurement techniques in non-uniform fields
11/19/2009WO2009140044A2 Acoustic and fiber optic network for use in laterals downhole
11/19/2009WO2009138934A1 Method and system for detecting a fluid distribution in an object of interest
11/19/2009WO2009137931A1 Airborne geophysical survey using airship
11/19/2009WO2009120035A3 Method for evaluation of the ground reinforcement effect using 4-d electrical resistivity monitoring
11/19/2009US20090287464 Gravity survey data processing
11/19/2009US20090287416 Method and system for analyzing a laminated sand/shale formation
11/19/2009US20090284260 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/19/2009US20090284259 Method and apparatus for downhole spectroscopy
11/19/2009US20090284258 Airborne geophysical survey using airship
11/19/2009CA2724614A1 A sensor for detection of conductive bodies
11/19/2009CA2722480A1 Airborne geophysical survey using airship
11/18/2009EP2118689A2 Improvements in marine em exploration
11/18/2009CN201347760Y Device for nuclear magnetic resonance measurement of high-temperature and/or high-pressure samples
11/18/2009CN201346594Y Die with stud detecting mechanism
11/18/2009CN101583886A Method and system for soil moisture estimation
11/18/2009CN101583885A Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis
11/18/2009CN101582635A Direct current boosting power device of three-dimensional resistivity imaging system
11/18/2009CN101581797A Hardware composition proposal of three-dimensional resistivity imaging system
11/18/2009CN101581796A Moving vehicle system and method of detecting position of moving vehicle
11/18/2009CN101581795A Data-collecting sub-station device of three-dimensional resistivity imaging system
11/18/2009CN101581794A GPRS-based remote measuring and controlling system of multi-frequency induced polarization instrument
11/18/2009CN101581793A Device for intelligently switching electrodes of three-dimensional resistivity imaging system
11/17/2009US7619541 Remote sensor processing system and method
11/17/2009US7619540 Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion
11/17/2009US7619516 Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith
11/17/2009US7619416 Coil assembly and multiple coil arrangement for magnetic resonance imaging
11/17/2009US7619415 Magnetic resonance imaging apparatus, RF coil system, and magnetic resonance imaging method
11/17/2009US7619414 NMR probe and NMR spectrometer
11/17/2009US7619413 Transmit-receive array for high field MRI
11/17/2009US7619412 MRI apparatus and high-frequency coil with plural imaging regions
11/17/2009US7619411 Generalized method for MRI chemical species separation using arbitrary k-space trajectories
11/17/2009US7619410 System and method for accelerated magnetic resonance parallel imaging
11/17/2009CA2642208C Wireless asset identification and location
11/17/2009CA2481126C Device for detecting unauthorized objects in a protected-access zone
11/17/2009CA2452210C Nmr data acquisition with multiple interecho spacing
11/12/2009WO2009137287A1 Characterizing at least one property of a liner that lines a well
11/12/2009WO2009137150A1 Method for geophysical and stratigraphic interpretation using waveform anomalies
11/12/2009WO2009135296A1 Double-suspension receiver coil system and apparatus
11/12/2009WO2009097510A3 Two dimensional t1/t2app-t2app processing of multi-gradient nmr data
11/12/2009WO2009032444A3 Thermally stabilized magnets for use downhole
11/12/2009WO2008106376A3 Logging method for determining characteristic of fluid in a downhole measurement region
11/12/2009US20090281731 Characterizing at Least One Property of a Liner that Lines a Well
11/12/2009US20090280988 Coreless and brushless direct-current motor, gifford mcmahon (gm) cryogenic cooler, pulse tube cryogenic cooler, cryopump, magnetic resonance imaging (mri) apparatus, superconducting magnet (scm) apparatus, nuclear magnetic resonance (nmr) apparatus, and cryogenic cooler for cooling semiconductor
11/12/2009US20090278543 Systems and Methods Having Radially Offset Antennas for Electromagnetic Resistivity Logging
11/12/2009US20090278542 Method For Detection Of Signal Source Using Estimation Of Noise Statistics
11/12/2009US20090278541 Electromagnetic Method on Shallow Water Using a Controlled Source
11/12/2009US20090278540 Double-suspension receiver coil system and apparatus
11/12/2009US20090278535 Magnetic resonance imaging apparatus and method
11/12/2009US20090278049 Method for producing an attenuation map
11/12/2009DE19983956B4 Insassensensor Occupant sensor
11/12/2009CA2722457A1 Double-suspension receiver coil system and apparatus