| 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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| 08/01/2002 | WO2001031365A9 System and method for enhanced vertical resolution magnetic resonance imaging logs |
| 08/01/2002 | US20020101242 Compensated multi-mode electromagnetic wave resistivity tool |
| 08/01/2002 | US20020101236 Method for resistivity well logging utilizing nuclear magnetic resonance |
| 08/01/2002 | US20020101235 Combined characterization and inversion of reservoir parameters from nuclear, NMR and resistivity measurements |
| 08/01/2002 | CA2435793A1 Induction logging antenna |
| 07/31/2002 | EP1227343A2 Trenchless underground boring system with boring tool location |
| 07/31/2002 | CN2503496Y Logging construction recording instrument |
| 07/31/2002 | CN2503483Y Flow velocity generation device |
| 07/31/2002 | CN1361421A Gun detecting system |
| 07/30/2002 | US6426625 Apparatus for logging the resistivity of a geological rock formation |
| 07/30/2002 | CA2230908C Longitudinal nmr well logging apparatus and method |
| 07/25/2002 | WO2002057809A1 Method for well logging using nuclear magnetic resonance and device for carrying out said method |
| 07/24/2002 | EP1224490A1 Multi-resolution graph-based clustering |
| 07/24/2002 | EP0839330B1 Improvements relating to magnetic tags or markers |
| 07/23/2002 | US6424146 Proximity sensor method and apparatus that is insensitive to temperature, noise and length of wire |
| 07/18/2002 | WO2002056444A2 Powerful bonded nonconducting permanent magnet for downhole use |
| 07/18/2002 | WO2002056049A2 Microfluidic device with multiple microcoil nmr detectors |
| 07/18/2002 | WO2002056047A1 Magnetic field generating assembly and method |
| 07/18/2002 | WO2002055832A2 Conductive medium for openhole logging and logging while drilling |
| 07/18/2002 | WO2002018978A8 Multi-axis locator for detection of buried targets |
| 07/18/2002 | US20020093458 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiation |
| 07/18/2002 | US20020093431 Method and apparatus for determining position in a pipe |
| 07/18/2002 | US20020093338 Method and apparatus for distinguishing metal objects employing multiple frequency interrogation |
| 07/18/2002 | CA2427016A1 Powerful bonded nonconducting permanent magnet for downhole use |
| 07/17/2002 | EP1222474A1 Fault location device and method |
| 07/16/2002 | US6421621 Metal detector target identification using flash phase analysis |
| 07/16/2002 | US6420869 Method and apparatus for estimating NMR properties by near infrared spectra |
| 07/16/2002 | US6420866 Apparatus and method for detecting metallized containers in closed packages |
| 07/11/2002 | WO2002054111A1 Capacitance well logging method and a series of complex resistivity well logging apparatus |
| 07/11/2002 | WO2002054014A1 Detection of passing magnetic articles while adapting the detection threshold |
| 07/11/2002 | WO2000068044A9 Occupant detection system |
| 07/11/2002 | US20020091489 Coarse-to-fine self-organizing map for automatic electrofacies ordering |
| 07/10/2002 | EP0856163B1 Electroseismic technique for measuring the properties of rocks surrounding a borehole |
| 07/10/2002 | CN1357769A Explosion-proof geologic radar collection system |
| 07/09/2002 | US6418335 Ferromagnetic foreign body detection using magnetics |
| 07/09/2002 | US6417771 Sensor, a method and a system for remote detection of objects |
| 07/09/2002 | US6417667 Method for logging and determining wellbore diameter by processing of progressive subsurface electromagnetic resistivity measurements |
| 07/09/2002 | US6417666 Boring tool tracking system and method using magnetic locating signal and wire-in-pipe data |
| 07/04/2002 | WO2000073821A9 System and method of multi-mode cantilever and multi-mode torsional micro-oscillators for force microscopy |
| 07/03/2002 | EP1219976A2 Gun detection system |
| 07/03/2002 | EP1219030A1 Proximity sensor and a method for operating same |
| 07/03/2002 | EP1218775A1 Remote reservoir resistivity mapping |
| 07/03/2002 | EP1218762A1 Propagation of waves through materials |
| 07/03/2002 | EP0970362A4 Pulse sequence and method for suppression of magneto-acoustic artifacts in nmr data |
| 07/03/2002 | CN1357112A Method and appts. for determining resistivity of formation surrounding cased well |
| 07/02/2002 | US6414606 Enhanced paint for microwave/millimeter wave radiometric detection applications and method of road marker detection |
| 07/02/2002 | US6414492 Method and apparatus for passive detection of geophysical discontinuities in the earth |
| 07/02/2002 | US6414484 Apparatus and method for simultaneous detection of embedded reinforcement in concrete |
| 07/02/2002 | CA2316596C System and method for producing a conductivity log unaffected by shoulder effect and dip from data developed by a well tool |
| 07/02/2002 | CA2285856C Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling |
| 06/27/2002 | WO2002050573A1 Temperature compensated magnetic circuit |
| 06/27/2002 | WO2002050571A2 Processing well logging data with neural network |
| 06/27/2002 | US20020082756 Arrangements for detecting the presence or location of an object in a vehicle and for controlling deployment of a safety restraint |
| 06/27/2002 | US20020080057 Timing and control and data acquisition for a multi transducer ground penetrating radar system |
| 06/27/2002 | US20020079908 Inductive sensory apparatus |
| 06/27/2002 | US20020079899 Subsurface monitoring and borehole placement using a modified tubular equipped with tilted or transverse magnetic dipoles |
| 06/27/2002 | US20020079890 Apparatus and method for simultaneous detection of embedded reinforcement in concrete |
| 06/27/2002 | CA2432098A1 Temperature compensated magnetic circuit |
| 06/26/2002 | EP1217391A2 Conductor tracing system |
| 06/25/2002 | US6411903 System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data |
| 06/25/2002 | US6411208 Method and apparatus for detecting a target material in a sample by pre-screening the sample for piezoelectric resonance |
| 06/25/2002 | US6411099 Selective polarization matching filter with an electret for triggering and optimizing rapid dielectrokinesis response |
| 06/25/2002 | US6411095 Apparatus and method for locating an object |
| 06/25/2002 | US6411094 System and method for determining orientation to an underground object |
| 06/25/2002 | US6411087 NMR logging tool with Hi-Tc trap field magnet |
| 06/25/2002 | US6411084 Magnetically activated well tool |
| 06/25/2002 | US6411073 Method and device for locating a metal line |
| 06/20/2002 | WO2002048744A1 Compensated multi-mode electromagnetic wave resistivity tool |
| 06/20/2002 | WO2002048743A2 A multi-frequency array induction tool |
| 06/20/2002 | WO2002018978A3 Multi-axis locator for detection of buried targets |
| 06/20/2002 | US20020077537 Ferromagnetic foreign body detection with background canceling |
| 06/20/2002 | US20020075150 Method and apparatus for use in location of conductors |
| 06/20/2002 | US20020075002 Conductor tracing system |
| 06/20/2002 | US20020075001 Multi-axis locator for detection of buried targets |
| 06/20/2002 | US20020075000 Temperature compensated magnetic field apparatus for nmr measurements |
| 06/20/2002 | US20020073869 Ultra sensitive magnetic field sensors |
| 06/19/2002 | CN1354868A Tag for electronic article identification, method for encoding identify code into such tag, and apparatus for identification thereof |
| 06/19/2002 | CN1086474C Radar instrument for mine shaft geology |
| 06/18/2002 | US6407676 Magnetostrictive resonator, road in which the resonator is buried and method of burying the resonator |
| 06/18/2002 | US6407550 Line locator with accurate horizontal displacement detection |
| 06/18/2002 | US6405809 Conductive medium for openhold logging and logging while drilling |
| 06/18/2002 | CA2227170C Improvements relating to magnetic tags or markers |
| 06/15/2002 | CA2337429A1 Ferromagnetic foreign body detection using magnetics |
| 06/13/2002 | WO2002029443A8 Inductive position sensor |
| 06/13/2002 | WO2002029439A3 Proximity sensor cable compensation using multiple frequencies |
| 06/13/2002 | DE10059621A1 Mobile location transmission station for locating mislaid objects sends predefined data to mobile receiver station to triggers visual and/or audible display of position of mobile station |
| 06/12/2002 | EP1212735A1 Magnetic field sensor |
| 06/12/2002 | EP1212637A1 Device warning against the presence of dangerous objects |
| 06/12/2002 | EP0694235B1 Ultra-wideband receiver |
| 06/12/2002 | CN1086242C Curvature-reduction annealing of amorphous metal alloy ribbon |
| 06/11/2002 | US6404203 Methods and apparatus for measuring electrical properties of a ground using an electrode configurable as a transmitter or receiver |
| 06/06/2002 | WO2002044478A2 Method and apparatus for determining the location of undergroung objects during a digging operation |
| 06/06/2002 | WO2002021163A3 A logging tool for measurement of resistivity through casing using metallic transparences and magnetic lensing |
| 06/06/2002 | WO2001071387A3 Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets |
| 06/06/2002 | US20020067164 Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance data |
| 06/06/2002 | US20020067163 Apparatus and method for detecting metallized containers in closed packages |
| 06/05/2002 | EP1211810A1 Micropower capacitance-based proximity sensor |
| 06/05/2002 | EP1210699A1 Magnetic sensor |
| 06/04/2002 | US6400149 Nuclear magnetic resonance apparatus and method for generating an axisymmetric magnetic field having straight contour lines in the resonance region |
| 06/04/2002 | US6400148 Use of redundant data for log quality measurements |