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)
09/2012
09/11/2012DE202012006964U1 Schleifensystem für Metallsuchgeräte Loop system for metal detectors
09/11/2012CA2550821C System, method and apparatus for petrophysical and geophysical measurements at the drilling bit
09/07/2012WO2012118931A2 Method and apparatus for measuring the electrical impedance properties of geological formations using multiple simultaneous current sources
09/07/2012WO2012118824A2 System for logging while running casing
09/07/2012WO2012068219A3 Nuclear magnetic resonance tool with external magnets
09/07/2012CA2828564A1 Method and apparatus for measuring the electrical impedance properties of geological formations using multiple simultaneous current sources
09/06/2012US20120226443 Autonomous downhole control methods and devices
09/06/2012US20120224455 resonance method for measuring the electroacoustic constant and permeability of rock formations
09/06/2012US20120223839 Apparatus and Method for Measuring Weight and Torque at Downhole Locations while Landing, Setting, and Testing Subsea Wellhead Consumables
09/06/2012US20120223718 High voltage DC power for electromagnetic survey source
09/06/2012US20120223717 Method and apparatus for measuring the electrical impedance properties of geological formations using multiple simultaneous current sources
09/06/2012US20120223712 Apparatus and method for magnetic resonance measurement and mapping of electrical impedance, complex permittivity and complex conductivity as applied to detection and evaluation of sample pathology
09/05/2012EP2494383A1 Logging tool
09/05/2012EP2494382A1 Apparatus and method for capacitively recording measured values without errors
09/05/2012EP2494148A1 Magnetic ranging system for controlling a drilling process
09/05/2012CN202422329U Sensing type monitoring and controlling device
09/05/2012CN202421517U Dual-channel quick electromagnetic meter for earth voice frequency
09/05/2012CN202421516U Detector for blocking position of hidden-laid polyvinyl chloride (PVC) conduit
09/05/2012CN202421515U Detector
09/05/2012CN202421208U Electromagnetic water flow sensor
09/05/2012CN202420593U Device for electrically detecting, sensing and outputting liquid flowing signal
09/05/2012CN102656482A Tracking of and communication with mobile terminals using battery-powered wireless network infrastructure
09/05/2012CN102654584A Method for processing real time data of lunar satellite microwave detector
09/05/2012CN102213773B Roadway multi-azimuth advance detection method
09/05/2012CN102141635B Method for preventing and telemetering geological disaster applying ultralow frequency radio signal
09/05/2012CN101995559B Triaxial fluxgate probe
09/05/2012CN101881799B Grounding net distribution detector
09/05/2012CN101866018B Radio frequency receiving and transmitting front end for millimeter wave holographic imaging security check system
09/05/2012CN101675360B Petrophysical interpretation of multipass array resistivity data obtained while drilling
09/05/2012CN101583885B Automatic adjustment of nmr pulse sequence to optimize snr based on real time analysis
09/05/2012CN101561515B System and method for detecting a buried conductor
09/05/2012CN101561514B System and method for detecting a buried conductor
09/05/2012CN101377551B Device and method for detecting metal element
09/05/2012CN101198880B Low temperature squid transient electromagnetic receiver system and method for collecting data in the system
09/04/2012US8260554 Apparatus and method for motion correction to sensor measurements
09/04/2012US8260507 Managing application of agrochemicals to plants
09/04/2012US8258976 Electric field communication for short range data transmission in a borehole
09/04/2012US8258975 Communication system for communication with and remote activation of downhole tools and devices used in association with wells for production of hydrocarbons
09/04/2012US8258791 Method for subsurface electromagnetic surveying using two or more simultaneously actuated electromagnetic sources to impart electromagnetic signals into a subsurface formation and thereby determining a formation response to each signal
09/04/2012US8258790 Oscillator sensor for determining a property of an earth formation
09/04/2012US8258789 Apparatus and method for decoupling MR coils
09/04/2012US8258788 Magnetic resonance scanner with wireless transmission of upconverted signals and received sidebands occurring outside of the industrial, scientific, and medical (ISM) band
09/04/2012US8258787 Magnetic resonance system with transmission of a digitized magnetic resonance signal across an air gap
09/04/2012US8258786 Method for mapping of the radio frequency field amplitude in a magnetic resonance imaging system using adiabatic excitation pulses
09/04/2012US8258785 Magnetic resonance imaging apparatus and magnetic resonance spectroscopic image computing method
08/2012
08/30/2012WO2012116072A2 Multi-phase region analysis method and apparatus
08/30/2012WO2012113010A1 A metal detector
08/30/2012WO2012012637A4 Smart seals and other elastomer systems for health and pressure monitoring
08/30/2012US20120218119 Downhole Telemetry System Using an Optically Transmissive Fluid Media and Method for Use of Same
08/30/2012US20120218118 Method and apparatus for initialization of a wellbore survey tool via a remote reference source
08/30/2012US20120217968 Measurement Of Formation Parameters Using Rotating Directional Em Antenna
08/30/2012DE112010003147T5 Verbesserte Zielauflösung eines Metalldetektors in mit Mineralien durchsetzten Erdböden Improved target resolution of a metal detector with minerals in soils interspersed
08/30/2012CA2827731A1 Multi-phase region analysis method and apparatus
08/29/2012EP2491435A1 Microresistivity imaging in conductive and nonconductive drilling fluid
08/29/2012EP2491434A1 Microresistivity imaging at multiple depths of investigation
08/29/2012EP2491433A1 Tow assembly for fixed wing aircraft for geophysical surveying
08/29/2012EP2491432A2 Targeted acquisition using holistic ordering (tacho) approach for high signal to noise imaging
08/29/2012CN202404256U Transient transmitting system and multi-turn transmitting coil device thereof
08/29/2012CN102652270A Handheld measuring device
08/29/2012CN102650703A CPM-CGCS2000 building method for CGCS2000 plate model
08/29/2012CN102650687A Electronic apparatus and positioning method thereof
08/29/2012CN102147484B High-power downhole electromagnetic pulse transmission device
08/29/2012CN102109618B Launching detection sensor
08/29/2012CN101889217B Method and apparatus for electromagnetic logging of a formation
08/29/2012CN101799558B Electromagnetic surveying system while drilling of adjacent-well parallel intervals
08/29/2012CN101796433B Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging srveys
08/29/2012CN101526628B A detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor
08/28/2012US8255023 Cryostat having a magnet coil system, which comprises an LTS section and an encapsulated HTS section
08/28/2012US8255022 Cryostat having a magnet coil system, which comprises an under-cooled LTS section and an HTS section arranged in a separate helium tank
08/28/2012US8253619 Electromagnetic scanning imager
08/28/2012US8253584 Electric dipole transmission system
08/28/2012US8253418 Method and system for detecting and mapping hydrocarbon reservoirs using electromagnetic fields
08/28/2012US8253417 Electrolocation apparatus and methods for mapping from a subterranean well
08/28/2012US8253416 Superconductor magnetic resonance imaging system and method (super-MRI)
08/28/2012US8253415 Magnetic resonance imaging apparatus and magnetic resonance imaging method
08/28/2012CA2594954C Nuclear magnetic resonance measurement techniques in non-uniform fields
08/28/2012CA2439909C 2-d inversion of multi-component induction logging data to resolve anisotropic resistivity structure
08/23/2012WO2012112887A2 Wide dynamic range interferometric transducer with divergent beam
08/23/2012WO2012112254A2 Multiphase meter to provide data for production management
08/23/2012WO2012111948A2 Electrical probing electrode
08/23/2012WO2012110920A2 Coil arrangement for a magnetic induction impedance measurement apparatus comprising a partly compensated magnetic excitation field in the detection coil
08/23/2012WO2012110561A1 Detection system of geological formations
08/23/2012WO2012110337A1 Hand-held metal detector
08/23/2012WO2012109845A1 Downhole high-power electromagnetic pulse emission apparatus
08/23/2012WO2012109844A1 Downhole time-domain pulsed electromagnetic method for detecting resistivity of stratum outside metal cased pipe
08/23/2012US20120215449 Logging tool
08/23/2012US20120215448 Method for detecting formation resistivity outside of metal casing using time-domain electromagnetic pulse in well
08/23/2012US20120212351 High-power electromagnetic pulse launcher in well
08/23/2012US20120212229 Azimuthally sensitive resistivity logging tool
08/23/2012US20120212228 Portable unmanned airship for magnetic-force surveying and a magnetic-force surveying system employing the same
08/23/2012US20120212227 metal detector target discrimination in mineralized soils
08/23/2012US20120212226 Pre-amplifier and mixer circuitry for a locator antenna
08/23/2012CA2827264A1 Wide dynamic range interferometric transducer with divergent beam
08/22/2012EP2489025A1 An electronic anti-theft protection system
08/22/2012EP2488845A1 Device and method for detection of water flow in ground
08/22/2012CN202393923U Safety warning indicator for approach of movable metal object
08/22/2012CN202393922U Paper sensor
08/22/2012CN202393739U High accuracy direct digital synthesis (DDS) circuit for detection of molecule metal
08/22/2012CN202393574U Automatic identification, alarm and control sensor of tap water leakage
08/22/2012CN102648424A Method and apparatus usable for mining and mineral exploration
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