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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09/21/2004 | US6793025 Double emulsion based drilling fluids |
09/21/2004 | CA2215728C Determining a parameter of a component in a composition |
09/16/2004 | US20040178924 Non-contact proximity sensor |
09/16/2004 | US20040178794 Method for metal object identification using a three- dimensional steerable magnetic field antenna |
09/16/2004 | US20040178789 Hands-free metal detector |
09/15/2004 | CN2641665Y Multi-function electromagnetic propsecting instrument |
09/14/2004 | US6791331 Method and apparatus for measuring characteristics of geological formations |
09/14/2004 | US6791330 Well logging tool and method for determining resistivity by using phase difference and/or attenuation measurements |
09/14/2004 | US6791329 Portable metal detection and classification system |
09/14/2004 | US6791324 Probehead and a sample substance for an electron spin resonance dosimeter |
09/14/2004 | CA2358665C Method of determining wellbore diameter by processing of electromagnetic resistivity measurements |
09/09/2004 | US20040176910 Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves |
09/09/2004 | US20040174168 Locating arrangement and method using boring tool and cable locating signals |
09/09/2004 | US20040174166 Nuclear magnetic resonance tool with conductive and non-conductive magnet assembly |
09/08/2004 | EP1166154B1 Induction logging |
09/08/2004 | EP0898719B1 Locator of electrically conductive objects |
09/08/2004 | CN1527950A A method and apparatus for identifying buried objects using ground penetrating radar |
09/08/2004 | CN1165761C Gun detecting system |
09/07/2004 | US6788263 Replaceable antennas for subsurface monitoring apparatus |
09/07/2004 | US6788212 Conductor detecting device |
09/07/2004 | US6788066 Method and apparatus for measuring resistivity and dielectric in a well core in a measurement while drilling tool |
09/07/2004 | US6788065 Slotted tubulars for subsurface monitoring in directed orientations |
09/07/2004 | CA2245720C Well logging method and apparatus for nmr and resistivity measurements |
09/07/2004 | CA2205971C Determining electrical conductivity of an earth layer |
09/02/2004 | WO2004075369A2 Electrical power supply arrangement for a downhole measurement assembly |
09/02/2004 | WO2004074870A1 Method and apparatus for predicting seismic events |
09/02/2004 | WO2004074772A1 Actuator and object-detecting device using the same |
09/02/2004 | WO2004046507A3 Multi-frequency focusing for mwd resistivity tools |
09/02/2004 | US20040169512 Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation |
09/02/2004 | US20040169511 [Interpretation Methods for NMR Diffusion-T2 maps] |
09/02/2004 | US20040169509 Screening method and apparatus |
09/02/2004 | US20040168358 Underground utility detection system |
09/02/2004 | CA2494170A1 Electrical power supply arrangement for a downhole measurement assembly |
09/01/2004 | EP1451752A1 Soil and topography surveying |
09/01/2004 | EP1451612A1 Method for determining anisotropic resistivity and dip angle in an earth formation |
09/01/2004 | EP1451611A1 Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals |
09/01/2004 | EP1451595A2 Electrodynamic sensors and applications thereof |
09/01/2004 | CN1525193A Interpretation methods for NMR diffusion-t2 maps |
08/31/2004 | US6784666 Flexible cushion probe for detecting a dielectric medium defined by a dielectric boundary surface |
08/31/2004 | US6782759 Anti-entrapment system |
08/31/2004 | CA2287141C Preconditioning spins near a nuclear magnetic resonance region |
08/26/2004 | WO2004072684A1 Measuring equipment and method for mapping the geology in an underground formation |
08/26/2004 | WO2002088775A9 Estimation of transversal motion of the nmr tool during logging |
08/26/2004 | US20040164740 Bore location system |
08/26/2004 | US20040164735 Method and apparatus for NMR measurement of magnetic materials |
08/26/2004 | US20040164734 Magnetic sensor system and method for installing magnetic sensors |
08/26/2004 | US20040163850 Boring tool tracking/guiding system and method with unconstrained target location geometry |
08/26/2004 | CA2785717A1 Measuring equipment and method for mapping the geology in an underground formation |
08/25/2004 | CN1163764C Electrical active-source frequency domain exploration method |
08/24/2004 | US6781387 Inspection method using penetrant and dielectrometer |
08/24/2004 | US6781380 Active magnetic anomaly sensing array and processing system |
08/24/2004 | US6781371 High vertical resolution antennas for NMR logging |
08/24/2004 | CA2253603C Displacement-current sensor and method for determining three-dimensional position, orientation and mass distribution |
08/24/2004 | CA2239563C Tone transmission over cable sheaths for cable location |
08/19/2004 | WO2004070455A2 Optimizing a liquid crystal display (lcd) manufacturing process |
08/19/2004 | WO2004070423A2 Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in nmr logs |
08/19/2004 | WO2004070422A2 Methods of processing magnetotelluric signals |
08/19/2004 | WO2004049010B1 Method of determining the vertical and horizontal resistivity and the relative dip in anisotropic earth formations |
08/19/2004 | WO2004038453A3 Millimetre-wave detection device for discriminating between different materials |
08/19/2004 | WO2003067018A3 Well system |
08/19/2004 | US20040160328 Non-contact liquid sensing apparatus, system, and method |
08/19/2004 | US20040160223 Passive ranging techniques in borehole surveying |
08/18/2004 | EP1447685A2 Flux control system for metal detectors |
08/18/2004 | EP1446267A1 HAND−HELD TOOL WITH A REMOVABLE OBJECT SENSOR |
08/18/2004 | CN2634494Y Digital detection integrated machine |
08/18/2004 | CN1521031A Capacitance sensor and detector using same for detecting object being caught by door |
08/17/2004 | US6778127 Drillstring radar |
08/17/2004 | US6777940 Apparatus and method for resistivity well logging |
08/17/2004 | US6777923 System and method for detecting a concealed current carrying conductor |
08/12/2004 | WO2004068172A1 Systems and methods for resistivity measurement |
08/12/2004 | US20040158405 System of processing and presenting drill hole data |
08/12/2004 | US20040158403 Method for processing georefrenced electrical resistivity measurements for the real-time electrical mapping of soil |
08/12/2004 | US20040158374 Operation equipment for vehicle |
08/12/2004 | US20040158146 Guided radiation therapy system |
08/12/2004 | US20040155810 Method and apparatus for identifying buried objects using ground penetrating radar |
08/12/2004 | US20040155776 Device for locating trapped victims and a method of operating such a device |
08/12/2004 | US20040155660 System and method for locating a fracture in an earth formation |
08/12/2004 | US20040155651 Flux control system for metal detectors |
08/12/2004 | US20040154831 Systems for deep resistivity while drilling for proactive geosteering |
08/11/2004 | EP1444536A1 Airborne geophysical measurements |
08/11/2004 | EP1444535A1 A borehole compensation system and method for a resistivity logging tool |
08/11/2004 | CN1520522A Method for merging position and measurement information and obtaining high quality images opposited to earth coordinate positioning through filtering |
08/11/2004 | CN1520329A Inductive sensory appts. |
08/10/2004 | US6774628 Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields |
08/05/2004 | WO2004053524A3 Method of steering capacitor fields for use in capacitive sensing security systems |
08/05/2004 | WO2004044594A3 Moving belt sensor |
08/05/2004 | WO2003077725A3 Mri protector |
08/05/2004 | US20040153246 Methods of processing magnetotelluric signals |
08/05/2004 | US20040150412 High-frequency oscillation type proximity sensor |
08/05/2004 | US20040150408 System and method for improving TFT-array manufacturing yields |
08/05/2004 | US20040150404 Electromagnetic methods and apparatus for determining the content of subterranean reservoirs |
08/05/2004 | US20040150403 Surface to underwater viewing device attachment for metal detector |
08/05/2004 | US20040149434 Monitoring a reservoir in casing drilling operations using a modified tubular |
08/05/2004 | US20040149004 Downhole calibration system for directional sensors |
08/04/2004 | EP1442312A1 Method and apparatus for subterranean formation flow imaging |
08/04/2004 | EP1442286A2 System and method for scanning carriers for objects |
08/04/2004 | CN1517721A Multi-measuring NMR analysing based on maximum entropy |
08/03/2004 | US6772091 Determining the depth of reinforcing bars in a concrete structure using electromagnetic signals |
08/03/2004 | US6771206 Method for obtaining underground imagery using a ground-penetrating radar |
08/03/2004 | CA2424248C A multi-frequency array induction tool |