| Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
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| 01/03/2002 | US20020000808 Permanently emplaced electromagnetic system and method for measuring formation resistivity adjacent to and between wells |
| 01/03/2002 | DE10030191A1 Localization device for measuring invisible ferromagnetic body in non-ferromagnetic environment, has measuring unit provided for path covered by sensor head electrically connected to evaluation unit |
| 01/02/2002 | EP1166154A2 Induction logging |
| 01/02/2002 | EP1103827A9 Method for determining a geo-pathogenic area from anomalies in the earth's electrostatic field in residential areas |
| 01/02/2002 | EP0890117B1 Device and process for determining position |
| 01/01/2002 | US6335684 Method for capacitative object recognition in motor vehicles |
| 01/01/2002 | US6335624 Process for electromagnetic detection of conducting objects |
| 01/01/2002 | CA2143766C Circuit tracer |
| 01/01/2002 | CA2134190C Method of correcting for axial error components in magnetometer readings during wellbore survey operations |
| 12/27/2001 | WO2001099076A1 Device for sensing magnetically marked paper and marked paper readable by said device |
| 12/27/2001 | WO2001098618A2 Burst qam downhole telemetry system |
| 12/27/2001 | US20010054897 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization |
| 12/26/2001 | CN2468063Y Storing magnetic positioner |
| 12/25/2001 | US6333699 Method and apparatus for determining position in a pipe |
| 12/25/2001 | US6333631 Cantilevered manipulator for autonomous non-contact scanning of natural surfaces for the deployment of landmine detectors |
| 12/20/2001 | WO2001020365B1 Lwd resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity |
| 12/20/2001 | US20010053313 Hand drill attachment |
| 12/20/2001 | US20010052768 Proximity sensor method and apparatus that is insensitive to temperature, noise and length of wire |
| 12/20/2001 | US20010052427 Three dimensional steerable system |
| 12/19/2001 | EP1164357A2 Sensing apparatus and method of producing same |
| 12/19/2001 | EP1163540A1 Multiple spacing resistivity measurements with receiver arrays |
| 12/19/2001 | EP1163539A1 Directional resistivity measurements for azimuthal proximity detection of bed boundaries |
| 12/19/2001 | EP0714521B1 Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter |
| 12/18/2001 | US6332109 Geological data acquisition system |
| 12/18/2001 | US6331775 Gas zone evaluation by combining dual wait time NMR data with density data |
| 12/18/2001 | CA2109118C Airborne transient electromagnetic method with ground loops |
| 12/13/2001 | US20010050559 Resistivity and dielectric constant well core measurement system for measurement while drilling and laboratory |
| 12/12/2001 | EP0815472B1 Locating objects |
| 12/12/2001 | CN1326544A Capacitive measuring device |
| 12/11/2001 | US6329916 Magnetic marker or tag |
| 12/11/2001 | US6329914 Thickness measurement system and method for vehicle occupant detection |
| 12/11/2001 | US6329913 Passenger detection system and method |
| 12/11/2001 | CA2172619C Magnetic determination of position and orientation |
| 12/06/2001 | WO2001092900A1 Occupant sensor |
| 12/06/2001 | WO2001033231A3 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation |
| 12/06/2001 | US20010048638 Image focusing method and apparatus for wellbore resistivity imaging |
| 12/05/2001 | EP1159715A2 Proximity sensor |
| 12/05/2001 | EP0876580B1 A method and a device for inductive measurement of measures and positions of objects of electrically conductive material |
| 12/05/2001 | CN1325494A Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and tensorial water saturation model |
| 12/05/2001 | CN1325031A Electrical active-source frequency domain exploration method |
| 12/04/2001 | US6326791 Discrimination of metallic targets in magnetically susceptible soil |
| 12/04/2001 | US6326790 Ground piercing metal detector having range, bearing and metal-type discrimination |
| 12/04/2001 | US6326785 Nuclear magnetic resonance tool with magnetostrictive noise compensation |
| 12/04/2001 | US6326784 Nuclear magnetic resonance logging with azimuthal resolution using gradient coils |
| 12/04/2001 | US6325433 Magnetic metal object retriever with cover |
| 12/04/2001 | US6325413 Passenger detection system |
| 11/29/2001 | WO2001090775A1 Apparatus and method for locating objects under a body of water |
| 11/29/2001 | WO2001013142A9 Nmr apparatus and methods for measuring volumes of hydrocarbon gas and oil |
| 11/29/2001 | US20010046185 Source waveforms for electroseismic exploration |
| 11/29/2001 | US20010045832 Peripheral vascular array |
| 11/29/2001 | US20010045829 Method and apparatus for nuclear magnetic resonance measuring while drilling |
| 11/29/2001 | US20010045733 Occupant sensor |
| 11/28/2001 | EP1158313A2 Article handling system |
| 11/28/2001 | EP1157364A2 Rf identification process and apparatus |
| 11/27/2001 | US6323770 Apparatus for interrogating a magnetically coded tag |
| 11/27/2001 | US6323769 Apparatus for interrogating a magnetically coded tag |
| 11/27/2001 | US6323648 Peripheral vascular array |
| 11/27/2001 | US6321456 Method of surveying a bore hole |
| 11/27/2001 | CA2302995C Method for measuring fracture porosity in coal seams using geophysical logs |
| 11/22/2001 | US20010043155 Electronic azimuth meter and electronic time piece having electronic azimuth meter |
| 11/22/2001 | US20010043066 Nuclear magnetic resonance measurements in well logging using motion triggered pulsing |
| 11/22/2001 | CA2475427A1 Downhole signal communication and measurement through a metal tubular |
| 11/21/2001 | EP1155343A1 Electromagnetic wave resistivity tool having tilted antenna |
| 11/21/2001 | EP1155342A1 Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model |
| 11/20/2001 | US6320386 Method of prospecting for geological formations and apparatus for implementing the method |
| 11/20/2001 | CA2127889C Determination of rock core characteristics |
| 11/15/2001 | WO2001086322A2 Method for estimating rock petrophysical parameters using temperature modified nmr data |
| 11/15/2001 | WO2001020365A3 Lwd resistivity device with inner transmitters and outer receivers, and azimuthal sensitivity |
| 11/15/2001 | US20010041963 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal |
| 11/15/2001 | US20010040452 System and methods for formation evaluation while drilling |
| 11/14/2001 | EP1154286A1 Method and apparatus for detecting buried metallic objects |
| 11/14/2001 | EP1153321A1 Temperature compensated nuclear magnetic resonance apparatus and method |
| 11/14/2001 | EP1152805A1 Position sensing |
| 11/14/2001 | CN1321893A Geologic exploration method |
| 11/13/2001 | US6317048 Magnetic field sensor |
| 11/13/2001 | US6316940 System and method for identification of hydrocarbons using enhanced diffusion |
| 11/13/2001 | US6316931 Magnetic sensor apparatus and current sensor apparatus |
| 11/13/2001 | CA2243690C Metal detector target identification using flash phase analysis |
| 11/08/2001 | WO2001084189A1 A generic, accurate, and real time borehole correction for resistivity tools |
| 11/08/2001 | WO2001084188A2 Steerable three-dimensional magnetic field sensor system for detection and classification of metal targets |
| 11/08/2001 | US20010039477 Inhomogeneous background based focusing method for multiarray induction measurements in a deviated well |
| 11/08/2001 | US20010038287 Logging tool for measurement of resistivity through casing using metallic transparencies and magnetic lensing |
| 11/08/2001 | CA2405417A1 A generic, accurate, and real time borehole correction for resistivity tools |
| 11/07/2001 | EP1152262A1 Detection element for objects and detection device using the same |
| 11/07/2001 | EP1151325A1 High resolution array induction tool |
| 11/07/2001 | EP1151324A1 Location of a cable in a dc connection in a bipolar 12-pulse system for transmission of electrical energy by means of high-voltage direct current |
| 11/07/2001 | EP1151310A1 Measuring method for a capacitive measuring system |
| 11/07/2001 | EP1151291A1 A subsurface pipeline inspection probe |
| 11/07/2001 | CN1321251A NMR logging assembly |
| 11/06/2001 | CA2060487C Apparatus for locating magnetizable material in a structure |
| 11/01/2001 | WO2001081953A1 Metal detector |
| 11/01/2001 | WO2001059484B1 Nuclear magnetic resonsance measurements in well logging using motion triggered pulsing |
| 11/01/2001 | WO2001051880A8 An image focusing method and apparatus for wellbore resistivity imaging |
| 11/01/2001 | US20010037178 System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data |
| 11/01/2001 | US20010035751 Resolution enhancement for sequential phase alternated pair nuclear magnetic resonance measurements |
| 10/31/2001 | EP1149369A1 Passenger detection system and method |
| 10/31/2001 | EP1149313A1 An article identification tag, and a method for the detection thereof |
| 10/31/2001 | EP1019880B1 Sensor and method for remote detection of objects |
| 10/31/2001 | EP0850425B1 Radio frequency tag |
| 10/31/2001 | DE10019694A1 Verfahren und Vorrichtung zum Erfassen der magnetischen Suszeptibilität von Böden und/oder Sedimenten Method and device for detecting the magnetic susceptibility of soil and / or sediments |