Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
---|
01/20/2004 | US6679153 Mine detector and inspection apparatus |
01/20/2004 | CA2249197C Method and apparatus for monitoring mineral production |
01/20/2004 | CA2241591C Nuclear magnetic resonance logging with azimuthal resolution |
01/20/2004 | CA2188207C Methods and apparatuses for measuring characteristics of a formation around a borehole |
01/20/2004 | CA2135961C Method, apparatus and installation for surveying and monitoring a hydrocarbon reservoir penetrated by a well |
01/15/2004 | WO2004005850A2 Apparatus and method for measurement of the magnetic induction tensor using triaxial induction arrays |
01/15/2004 | WO2002073236A3 Simultaneous determination of formation angles and anisotropic resistivity using multi-component induction logging data |
01/15/2004 | US20040008122 Apparatus for use with capacitive presence detection systems |
01/15/2004 | US20040008036 System for the wireless transmission of information and/or energy between a removabe vehicle seat and the vehicle body |
01/15/2004 | US20040008030 Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal |
01/15/2004 | US20040008027 Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in NMR logs |
01/15/2004 | CA2718016A1 Method and apparatus for tracking objects and people |
01/14/2004 | EP1379735A2 Method and apparatus for determining the location of underground objects during a digging operation |
01/14/2004 | CN1468379A In-vehicle body detection method |
01/14/2004 | CN1134745C Induction sensor |
01/13/2004 | US6677757 Method and apparatus for determination of electromagnetic properties of underground structure |
01/13/2004 | US6677756 Multi-component induction instrument |
01/13/2004 | US6677755 Circuit for selectively enabling and disabling coils of a multi-coil array |
01/13/2004 | US6677753 Stand-up MRI apparatus |
01/13/2004 | US6677752 Close-in shielding system for magnetic medical treatment instruments |
01/13/2004 | CA2375432C Method for radial profiling of resistivity at multiple depths of investigation |
01/08/2004 | WO2004003593A1 Method for joint interpretation of multi-array induction and multi-component induction measurements with joint dip angle estimation |
01/08/2004 | WO2004003592A1 Scanner for nuclear quadrupole resonance measurements and method therefor |
01/08/2004 | WO2004003591A1 A method of and a system for surveillance of an environment utilising electromagnetic waves |
01/08/2004 | WO2003058277A3 Metal detector integrated with site-existing pathway |
01/08/2004 | CA2496966A1 Scanner for nuclear quadrupole resonance measurements and method therefor |
01/08/2004 | CA2491168A1 Method for joint interpretation of multi-array induction and multi-component induction measurements with joint dip angle estimation |
01/07/2004 | EP1378768A2 Apparatus for detecting metal objects being put into a trash can |
01/07/2004 | EP1377850A1 Apparatus and method for locating subsurface objects in conductive soils by induction measurements |
01/07/2004 | EP1377806A1 Proximity sensor system having proximity sensor with bipolar signal output |
01/06/2004 | US6675123 Magnetic tracking methods and systems |
01/06/2004 | US6674366 Inanimate entity line-of-bearing location method via linking material-specific non-uniform static electrification spatial gradient pattern to dielectrophoresis |
01/06/2004 | US6674286 That can buried underground or underwater to study long-term trends without undue maintenance; resistance |
01/06/2004 | US6674276 Surface object locator with level indicator and scribe tip |
01/06/2004 | CA2363534C Shielding method and apparatus using transverse slots |
01/06/2004 | CA2306976C Method and apparatus for hydraulic fracturing analysis and design |
01/02/2004 | EP1373939A1 An inhomogeneous background based focusing method for multi-array induction measurements in a deviated well |
01/02/2004 | EP1373937A1 "2-d inversion of multi-component induction logging data to resolve anisotropic resistivity structure" |
01/02/2004 | EP1373936A1 An efficient and accurate pseudo 2-d inversion scheme for multicomponent induction log data |
01/02/2004 | EP1373030A1 Occupant sensor |
01/02/2004 | EP1372477A2 Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens |
01/01/2004 | US20040000999 System and method for scanning carriers for objects |
01/01/2004 | US20040000919 Moving source dipole electromagnetic exploration device for deeper and poorer conductors and a method of detecting such conductors |
01/01/2004 | US20040000918 Apparatus and method for locating objects behind a wall lining |
01/01/2004 | US20040000912 Marine electromagnetic measurement system |
01/01/2004 | US20040000905 Determining wettability of an oil reservoir using borehole nmr measurements |
01/01/2004 | US20040000904 Apparatus for detecting metal objects being put into a trash can |
12/31/2003 | WO2004001455A1 A data acquisition unit, system and method for geophysical data |
12/31/2003 | WO2004001436A2 Antenna core material for use in mwd resistivity measurements an d nmr measurements |
12/31/2003 | CN2596374Y Radio digital transmission electronic well head motor |
12/31/2003 | CN1133183C Heat-treatment of glassy metal alloy for article surveillance system markers |
12/31/2003 | CN1133080C Magnetic detecting technique |
12/31/2003 | CA2490105A1 A data acquisition unit, system and method for geophysical data |
12/30/2003 | US6671623 Methods and system for characterizing the response of subsurface measurements to determine wellbore and formation characteristics |
12/30/2003 | CA2120400C Nuclear magnetic resonance measuring apparatus |
12/28/2003 | CA2433972A1 Apparatus and method for locating objects behind a wall lining |
12/28/2003 | CA2432673A1 Apparatus for detecting metal objects being put into a trash can |
12/25/2003 | US20030234648 NMR spectroscopy using a gradient field NMR tool |
12/24/2003 | WO2003106587A1 Double emulsion based drilling fluids |
12/24/2003 | WO2003025342A3 A method and apparatus for a multi-component induction instrumentmeasuring system |
12/24/2003 | CN2595079Y Assembled luminous field source for transient electromagnetic method |
12/24/2003 | CN2594811Y Array microresistivity logging instruments with multiple laminar capacity |
12/24/2003 | CN2594810Y Array lateral logging instruments with multiple laminar capacity |
12/24/2003 | CN1132019C NMR system and method for formation evaluation using diffusion and relaxution log measurements |
12/24/2003 | CN1131924C Downhole instrument with outer cover able to penetrance ray |
12/23/2003 | US6667621 Method and apparatus for determining the resistivity of a formation surrounding a cased well |
12/23/2003 | US6667620 Current-directing shield apparatus for use with transverse magnetic dipole antennas |
12/23/2003 | CA2270757C Nuclear magnetic resonance logging with azimuthal resolution |
12/18/2003 | WO2003104844A1 Method and system for seafloor geological survey using vertical electric field measurement |
12/18/2003 | US20030231017 Formation-based interpretation of NMR data for carbonate reservoirs |
12/18/2003 | US20030230893 Spoolable composite coiled tubing connector |
12/17/2003 | EP1372266A1 Electronic equipment and method of manufacturing the same |
12/17/2003 | EP1370890A1 Detecting a boundary in a formation |
12/17/2003 | EP1370889A2 Method for merging position information with measurements and filtering to obtain high-quality images that are positioned accurately with respect to global coordinates |
12/17/2003 | EP1370746A1 Electromagnetic borehold surveying method |
12/17/2003 | CN1462365A Coil impedance detection method, objection decection method and apparatus using the same |
12/17/2003 | CN1461950A Method and system for automatically measuring roch complex electrical resistance by coil method |
12/16/2003 | US6664788 Nonlinear electroseismic exploration |
12/16/2003 | US6662459 Electronic azimuth meter and timepiece |
12/16/2003 | CA2341947C Magnetic resonance imaging in a borehole |
12/11/2003 | WO2003102497A1 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal |
12/11/2003 | US20030229450 Induction well logging apparatus and method |
12/11/2003 | US20030229449 Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells |
12/11/2003 | US20030227282 Method and apparatus of to detect metal fragment in patients |
12/10/2003 | EP1368777A2 Volumetric laminated sand analysis |
12/10/2003 | CN2591646Y Underground ferromagnetic pipe detecting instrument |
12/10/2003 | CN1130574C Resistivity log correction method |
12/10/2003 | CN1130573C Method and instrument for detecting underground magnetofluid to search water |
12/09/2003 | US6661367 Non-destructive probing system and a method thereof |
12/09/2003 | US6661240 Methods and systems for capacitive motion sensing and position control |
12/09/2003 | US6661226 NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil |
12/09/2003 | US6661115 Conductive e-field occupant sensing |
12/09/2003 | US6659200 Actuator assembly and method for actuating downhole assembly |
12/09/2003 | CA2244409C Electrical well logging fluid and method of using same |
12/04/2003 | WO2003100467A1 System and method for electromagnetic wavefield resolution |
12/04/2003 | WO2003100466A1 Induction well logging apparatus and method |
12/04/2003 | WO2002037132A8 Methods and devices for dissolving hyperpolarised solid material for nmr analyses |
12/04/2003 | US20030222651 System and method for evaluation of thinly laminated earth formations |
12/04/2003 | US20030222637 Proximity detector |
12/04/2003 | CA2485522A1 System and method for electromagnetic wavefield resolution |