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)
12/2003
12/03/2003CN1459639A Determination of oil reservoir wettability using nuclear magnetic resonance testing of shaft
12/02/2003US6657577 Radar plant and measurement technique for determination of the orientation and the depth of buried objects
12/02/2003US6657440 Propagation of waves through materials
11/2003
11/27/2003WO2003098548A2 Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging
11/27/2003WO2003098390A2 Method and system for rapid magnetic resonance imaging of gases with reduced diffusion-induced signal loss
11/27/2003WO2003054825A3 Detectable components and detection apparatus for detecting such components
11/27/2003WO2003048789A3 Electrodynamic sensors and applications thereof
11/27/2003WO2002099463A3 System and method for determining oil, water and gas saturations for low-field gradient nmr logging tools
11/27/2003US20030218469 Multifunctional object sensor
11/27/2003US20030218458 Methods and apparatus for sensing angular position of a rotatable shaft
11/26/2003CN2588385Y Digital metal detection door
11/26/2003CN1459030A Method for determining position of sensor element
11/26/2003CN1458536A Changing method of CPMG test value increased by short waiting time test value
11/25/2003US6653970 Multi-static UAV radar system for mode-adaptive propagation channels with obscured targets
11/25/2003US6653839 Electrical measurement apparatus and method for measuring an electrical characteristic of an earth formation
11/25/2003US6653838 Ground mineralization rejecting metal detector (transmit signal)
11/25/2003US6653837 Dipole field locate point determination using a horizontal flux vector
11/25/2003US6651739 Medium frequency pseudo noise geological radar
11/25/2003CA2149828C Method of detecting buried high conductivity objects
11/20/2003WO2003096074A1 Appararus and method for measuring mud resistivity using a defocused electrode system
11/20/2003WO2003095985A1 Method and probe for measuring hydraulic conductivity of soil
11/20/2003WO2003069320A3 Radiation and metal detection system for scanning objects
11/20/2003WO2003053533A3 Detection apparatus and component detectable by the detection apparatus
11/20/2003WO2003010486A3 Object sensing
11/20/2003WO2002095448B1 Active signal conditioning circuitry for well logging and monitoring while drilling nuclear magnetic resonance spectrometers
11/20/2003US20030214287 Methods of decoupling diffusion effects from relaxation times to determine properties of porous media containing fluids and multi-dimensional representation of those properties
11/20/2003US20030214286 Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements
11/20/2003DE10221549C1 Vorrichtung zur Detektion von Metallgegenständen A device for detection of metal objects
11/19/2003EP1363139A2 Device for detecting metal objects
11/19/2003EP1040370B1 Linear perturbation method for kalman filter tracking of magnetic field sources
11/19/2003CN2586970Y Buried wire detecting apparatus
11/19/2003CN1128425C Method and device for measuring magnetic properties of sheet materials
11/18/2003US6650126 Electrical sensor for measuring capacitance change and conversion into a voltage signal
11/18/2003US6650125 Leak and pipe detection method and system
11/18/2003US6650114 NMR data acquisition with multiple interecho spacing
11/18/2003US6650111 Pulsed excited proximity sensor
11/13/2003WO2003093870A2 Geophysical survey system
11/13/2003WO2003036030A3 In situ thermal processing and upgrading of produced hydrocarbons
11/13/2003US20030210061 Apparatus and method for measuring mud resistivity using a defocused electrode system
11/13/2003US20030210054 Probe for NMR apparatus using magnesium diboride
11/13/2003US20030210053 Probe for NMR apparatus using magnesium diboride
11/13/2003US20030210052 Supersensitive nuclear magnetic resonance imaging apparatus
11/13/2003US20030210050 Temperature compensated magnetic circuit
11/13/2003US20030210043 Processing NMR data in the presence of ringing
11/13/2003US20030209347 System and method for making an opening in a subsurface tubular for reservoir monitoring
11/12/2003EP1361455A2 Supersensitive nuclear magnetic resonance imaging apparatus
11/12/2003EP1361452A2 Probe for NMR apparatus using magnesium diboride
11/12/2003EP1360667A1 Non-linear junction detector
11/12/2003EP1360526A1 Method for processing georeferenced electrical resistivity measurements for the real-time electrical mapping of soil
11/12/2003EP1360525A1 Locating device
11/12/2003CN1127666C Locator
11/11/2003US6646554 Identification tag with enhanced security
11/11/2003US6646441 Well logging system for determining resistivity using multiple transmitter-receiver groups operating at three frequencies
11/11/2003US6646438 NMR data acquisition with multiple interecho spacing
11/11/2003US6646437 System and method for clay typing using NMR-based porosity modeling
11/06/2003WO2003091753A1 Detection of ferromagnetic objects approaching a magnet
11/06/2003WO2003091747A1 Radar for detecting irregularities in subsurface soil layer
11/06/2003US20030208318 Flux orientation locating in a drilling system
11/06/2003US20030206095 System and method for improved object identification
11/06/2003US20030205378 In situ recovery from lean and rich zones in a hydrocarbon containing formation
11/05/2003EP1359440A2 Method and device for detecting clockworks
11/05/2003EP1357985A1 Inductive sensory apparatus
11/05/2003CN2585248Y Metallic detecting door
11/04/2003US6643589 Simultaneous determination of formation angles and anisotropic resistivity using multi-component induction logging data
11/04/2003US6642715 Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using same
11/04/2003CA2137577C Microdevice for measuring the electromagnetic characteristics of a medium and use of said microdevice
10/2003
10/30/2003WO2003050376A3 Burst qam downhole telemetry system
10/30/2003WO2003025619A3 Radar imaging apparatus
10/30/2003WO2003025613A3 Sub-surface radar imaging
10/30/2003WO2002073236A9 Simultaneous determination of formation angles and anisotropic resistivity using multi-component induction logging data
10/30/2003WO2002044478A3 Method and apparatus for determining the location of undergroung objects during a digging operation
10/30/2003US20030204311 System and method for enhanced hydrocarbon recovery
10/30/2003US20030204295 Judgment lock for occupant detection air bag control
10/30/2003US20030201783 Compact stud finder
10/30/2003US20030201772 Method and apparatus for improving the vertical resolution of NMR logs
10/30/2003US20030201767 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signal
10/30/2003US20030201126 Skin depth compensation in underground boring applications
10/30/2003US20030201098 In situ recovery from a hydrocarbon containing formation using one or more simulations
10/29/2003EP1356999A2 Judgement method and apparatus for occupant detection and air bag control
10/29/2003CN1126067C Method and device for detecting electroconductive element in document
10/28/2003US6639521 Inductive sensor and method of use
10/28/2003US6637524 Non-rotating sensor assembly for measurement-while-drilling applications
10/28/2003CA2281076C Parametric modeling of well log data to remove periodic errors
10/23/2003WO2003088008A2 Non-contact radar system for reconstruction of scenes obscured under snow and similar material
10/23/2003WO2003087883A1 Phase discrimination for micro electrical measurement in non-conductive fluid
10/23/2003WO2003087882A1 Process for determining the resistivity of a formation through which a well equipped with a casing passes
10/23/2003WO2003087881A1 Method and apparatus for locating objects using parametric inversion
10/23/2003WO2003087865A2 Method and apparatus for locating buried objects
10/23/2003WO2003087536A1 Magnetically activated well tool
10/23/2003WO2003048808A3 Wide area metal detection (wamd) system and method for security screening crowds
10/23/2003US20030200052 Method for determing the position of a sensor element
10/23/2003US20030200029 Subsurface formation anisotropy determination with tilted or transverse magnetic dipole antennas
10/23/2003US20030200028 Soil and topography surveying
10/23/2003US20030197510 Galvanic method of measuring electrical anisotropy
10/23/2003US20030197509 Bore location system
10/23/2003US20030197506 Method and apparatus for rapid characterization of diffusion
10/23/2003US20030196810 Providing heat from heaters to formation; allowing the heat to transfer to selected section of the formation; controlling the heat from heaters; producing a mixture from the formation
10/23/2003US20030196801 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
10/23/2003US20030196789 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
10/23/2003US20030196788 Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation
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