| 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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| 08/03/2004 | CA2369213C Casing joint locator methods and apparatus |
| 08/03/2004 | CA2268093C Magnetic interrogation techniques |
| 07/29/2004 | WO2004046756A3 Azimuthal nmr imaging of formation properties from a wellbore |
| 07/29/2004 | US20040147834 Security screening method and apparatus |
| 07/29/2004 | US20040147833 Magnetic resonance imaging screening method and apparatus |
| 07/29/2004 | US20040145378 Capacitance sensor and detector using same for detecting object being caught by door |
| 07/29/2004 | US20040145370 Method and apparatus for measuring characteristics of geological formations |
| 07/29/2004 | US20040145369 Magnetic detector extendable wand |
| 07/28/2004 | CN1516925A High frequency oscillation type proimity sensor |
| 07/28/2004 | CN1516057A Rezognizer for magnetic mechanical electronic article monitornig system, mfg. method and system thereof |
| 07/28/2004 | CN1516056A Recognizer for magnetic mechanical electronic article monitornig system, mfg method and system thereof |
| 07/28/2004 | CN1515785A Equipment and method for defining drilling mode and using optimized formation to make assess measurement |
| 07/27/2004 | US6768307 Flux plane locating in an underground drilling system |
| 07/27/2004 | US6768306 Probe for NMR apparatus using magnesium diboride |
| 07/27/2004 | US6768299 Downhole magnetic-field based feature detector |
| 07/22/2004 | WO2004061419A2 Systems and methods for estimating properties of a sample |
| 07/22/2004 | US20040140811 Method and apparatus for measuring characteristics of geological formations |
| 07/22/2004 | US20040140810 Position and orientation locator/monitor |
| 07/22/2004 | US20040140809 Flux orientation locating in a drilling system |
| 07/22/2004 | US20040140805 Detector of near-infrared light |
| 07/22/2004 | US20040140801 Combined characterization and inversion of reservoir parameters from nuclear, NMR and resistivity measurements |
| 07/22/2004 | US20040140800 Nuclear magnetic resonance apparatus and methods for analyzing fluids extracted from earth formation |
| 07/22/2004 | US20040140091 Method for determining direction to a target formation from a wellbore by analyzing multi-component electromagnetic induction signals |
| 07/22/2004 | CA2455466A1 Nuclear magnetic resonance apparatus and methods for analyzing fluids extracted from earth formation |
| 07/21/2004 | EP1439400A2 Searching apparatus with three orthogonal ferite rod antennas, in particular for use in the location of persons buried in a avalanche, and method for distinguishing different reception signals |
| 07/21/2004 | EP1123489B1 Capacitive measuring device |
| 07/21/2004 | EP1068546A4 Magnetic resonance detection coil that is immune to environmental noise |
| 07/21/2004 | CN2627600Y Single-end human contact induction device |
| 07/21/2004 | CN1514942A Induction logging |
| 07/20/2004 | US6766253 Method for merging position information with measurements and filtering to obtain high-quality images that are positioned accurately with respect to global coordinates |
| 07/20/2004 | US6765487 Underwater detection and deterrent system |
| 07/20/2004 | US6765387 System and method for measuring resistivity through casing |
| 07/20/2004 | US6765386 Galvanic method of measuring electrical anisotropy |
| 07/20/2004 | US6765385 Method, apparatus and system for compensating the effects of borehole variations |
| 07/20/2004 | US6765383 Magnetotelluric geophysical survey system using an airborne survey bird |
| 07/20/2004 | US6765380 Determining wettability of an oil reservoir using borehole NMR measurements |
| 07/15/2004 | US20040138839 Microwave sensor system |
| 07/15/2004 | US20040136267 Dual imaging sonde including a rotationally and vertically offset second imaging tool |
| 07/15/2004 | DE10301951A1 Verfahren zur Bodenkompensation A method for ground compensation |
| 07/15/2004 | DE10261258A1 Verfahren zur Detektion von Metallgegenständen und Metalldetektor A method for detection of metal objects, metal detector |
| 07/14/2004 | EP1437604A2 Object detector |
| 07/14/2004 | EP1436645A1 Signal generation apparatus and method for seafloor electromagnetic exploration |
| 07/14/2004 | EP1436644A1 Metal detection apparatus |
| 07/14/2004 | EP1040371B1 Airborne electromagnetic system |
| 07/14/2004 | CN1512194A Coin sensor |
| 07/13/2004 | US6763263 Method and apparatus for producing an electrical property image using a charge correlation matrix |
| 07/13/2004 | US6762601 Non-invasive detectors for wells |
| 07/13/2004 | US6762600 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing a modulated signal |
| 07/13/2004 | US6761574 Coiled tubing connector |
| 07/08/2004 | WO2004008104A3 Methods and devices for analysis of sealed containers |
| 07/08/2004 | US20040133351 Method for resistivity anisotropy determination in near vertical wells |
| 07/08/2004 | US20040133101 Guided radiation therapy system |
| 07/08/2004 | US20040130448 Asset recovery device |
| 07/08/2004 | US20040130337 Detector |
| 07/08/2004 | US20040130324 Azimuthal NMR imaging of formation properties from a wellbore |
| 07/07/2004 | EP1435528A2 Soil compensating method |
| 07/07/2004 | CN1510435A Method and apparatus for collecting layer character by nuclear magnetic resonance measure |
| 07/06/2004 | US6760666 Method for determining anisotropic resistivity and dip angle in an earth formation |
| 07/06/2004 | US6759968 Method and apparatus for determining position in a pipe |
| 07/06/2004 | CA2247441C Location system with field actuation sequences |
| 07/06/2004 | CA2132787C Combination well logging device |
| 07/01/2004 | WO2004055551A1 Method and apparatus for improved depth matching of borehole images or core images |
| 07/01/2004 | WO2004055546A1 Apparatus for collecting ground radar data with polarization information |
| 07/01/2004 | WO2004032279A3 Method and apparatus for a downhole antenna |
| 07/01/2004 | WO2004005850B1 Apparatus and method for measurement of the magnetic induction tensor using triaxial induction arrays |
| 07/01/2004 | US20040125012 Object detector and object detecting method |
| 07/01/2004 | US20040124981 Displacement sensing system |
| 07/01/2004 | US20040124842 Method and apparatus for determining the nature of subterranean reservoirs |
| 07/01/2004 | US20040124841 System and method for locating a fracture in an earth formation |
| 07/01/2004 | US20040124837 Method and apparatus for nuclear magnetic resonance measuring while drilling |
| 07/01/2004 | US20040123655 Azimuthal resistivity using a non-directional device |
| 07/01/2004 | DE202004006336U1 Handheld metal detector for use in checking persons passing through an access control point, e.g. in an airport, incorporates a test coil which can be switched across a resistance to provide a means for in-situ calibration |
| 06/30/2004 | EP1434062A2 Method for detecting metal objects and metal detector |
| 06/30/2004 | EP1433090A1 Method of imaging subsurface formations using a virtual source array |
| 06/30/2004 | EP1256021B1 An identification device |
| 06/30/2004 | CN2622717Y Positioner for searching distress people |
| 06/30/2004 | CN1509414A Apparatus and method for locating subsurface objects in conductive soils induction measurements |
| 06/30/2004 | CN1155837C Method and equipment of receiving low frequency and large amplitude electromagnetic radiation before earthquake |
| 06/29/2004 | US6757557 Position location system |
| 06/29/2004 | US6756784 Orientation sensor arrangement and method for use in a system for monitoring the orientation of an underground boring tool |
| 06/29/2004 | US6756783 Multi-frequency boring tool locating system and method |
| 06/29/2004 | US6755246 In-situ heavy-oil reservoir evaluation with artificial temperature elevation |
| 06/24/2004 | WO2004053528A1 System and method for hydrocarbon reservoir monitoring using controlled-source electromagnetic fields |
| 06/24/2004 | WO2004053524A2 Method of steering capacitor fields for use in capacitive sensing security systems |
| 06/24/2004 | WO2004001436B1 Antenna core material for use in mwd resistivity measurements an d nmr measurements |
| 06/24/2004 | US20040119476 Detection of Borehole Currents in Well Logging |
| 06/24/2004 | US20040119475 Pulse induction metal detector having high energy efficiency and sensitivity |
| 06/24/2004 | US20040119471 Downhole high resolution NMR spectroscopy with polarization enhancement |
| 06/24/2004 | US20040119470 Winding type magnetic sensor device and coin discriminating sensor device |
| 06/23/2004 | EP1432288A1 Pan detection system and method using such system |
| 06/23/2004 | EP1430449A2 Security method for gaining access, access verification device, elevator |
| 06/23/2004 | EP1430330A1 In situ method for determining soil liquefaction tendency and its prevention by electro-osmosis |
| 06/23/2004 | CN1154854C Method and arrangement for determining position of marker in organic cavity |
| 06/22/2004 | US6754589 System and method for enhanced hydrocarbon recovery |
| 06/22/2004 | US6753791 Burst QAM downhole telemetry system |
| 06/22/2004 | CA2341385C Projected display for portable sensor indicating the location of a detected hidden object |
| 06/22/2004 | CA2217762C Spatial magnetic interrogation |
| 06/17/2004 | US20040117120 Method for resistivity anisotropy determination in conductive borehole environments |
| 06/17/2004 | US20040117117 System, method and computer program product for subsurface contamination detection and analysis |
| 06/17/2004 | US20040116303 Resistivity imaging a formation during drilling a wellbore in formation with an electrically conductive oil-based drilling fluid, fluid comprising a polar ester oil-base, a sorbitan ester derivative surfactant, and an ethoxylated sorbitan ester |