| 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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| 08/07/2001 | US6272232 Method for performing a morphological survey of geological formations traversed by a borehole |
| 08/07/2001 | CA2037563C Electronic measurement apparatus movable in a cased borehole and compensating for casing resistance differences |
| 08/02/2001 | WO2001055749A1 Bed boundary detection and invasion profiling with uncompensated electromagnetic wave resistivity sensors |
| 08/02/2001 | WO2001055748A1 Multi-depth focused resistivity imaging tool for logging while drilling applications |
| 08/02/2001 | US20010010460 Method for locating energized electric conductor |
| 08/01/2001 | EP1120629A1 Electronic azimuth meter and electronic time piece using such an electronic azimuth meter |
| 08/01/2001 | CN2441148Y Horizontal installation and hook releasement connector for acoustic releaser |
| 08/01/2001 | CN1306622A Porosity and permeability measurement of underground formations contg. crude oil, using epr response data |
| 07/31/2001 | US6269324 Magnetic object tracking based on direct observation of magnetic sensor measurements |
| 07/31/2001 | US6268731 Locator of electrically conductive objects |
| 07/31/2001 | US6268727 Measurement of flow fractions flow velocities and flow rates of a multiphase fluid using ESR sensing |
| 07/31/2001 | US6268726 Method and apparatus for nuclear magnetic resonance measuring while drilling |
| 07/31/2001 | US6268724 Device for selectively detecting metal objects |
| 07/26/2001 | WO2001053855A1 Resistivity and dielectric constant well core measurement system for measurement while drilling and laboratory |
| 07/26/2001 | DE19963773A1 Metalldetektor und Verfahren zum Betreiben eines Metalldetektors Metal detector and method of operating a metal detector |
| 07/25/2001 | EP1118024A1 Nmr logging assembly |
| 07/25/2001 | CN1305624A Sensor, method and system for remote detection of objects |
| 07/25/2001 | CN1305089A Underground imaging radar with impact pulses |
| 07/25/2001 | CN1305088A Method of monitoring the diameter for cylindrical body made by injection process |
| 07/24/2001 | US6266618 Method for automatic detection of planar heterogeneities crossing the stratification of an environment |
| 07/24/2001 | US6266006 Arrow detector |
| 07/24/2001 | US6265881 Method and apparatus for measuring ground impedance |
| 07/24/2001 | US6265871 Device for generating eddy current induction and detection by means of the axes of permeability within a toroid/torus core |
| 07/24/2001 | US6265865 Single unitary plastic package for a magnetic field sensing device |
| 07/24/2001 | CA2246180C Method and apparatus for measuring nuclear magnetic resonance |
| 07/19/2001 | WO2001051959A1 Apparatus and method for detecting contamination of object by a metal |
| 07/19/2001 | WO2001051958A1 Novel resistive geoelectric system to detect the physical characteristics of a given terrain volume and device for implementing said method |
| 07/19/2001 | WO2001051953A2 Determination of t1 relaxation time from multiple wait time nmr logs acquired in the same or different logging passes |
| 07/19/2001 | WO2001051948A1 Human appendage mounted metal detector |
| 07/19/2001 | WO2001051880A2 An image focusing method and apparatus for wellbore resistivity imaging |
| 07/19/2001 | CA2397115A1 An image focusing method and apparatus for wellbore resistivity imaging |
| 07/18/2001 | EP0902901B1 Locatable locating tape for finding in particular non-metallic cables and pipelines buried in the ground |
| 07/18/2001 | CN1068553C Method and apparatus for guiding driverless vehicle |
| 07/17/2001 | US6263271 Passenger detection system comprising side airbag which is deployable or non-deployable according to seating condition |
| 07/17/2001 | US6263230 System and method to determine the location and orientation of an indwelling medical device |
| 07/12/2001 | US20010007420 Device for sensing and locating objects hidden behind accessible surfaces of architectural structures |
| 07/12/2001 | DE19913872C2 Sensor mit Ausfallüberwachungssystem Sensor failure monitoring system |
| 07/11/2001 | EP1114336A2 Geoelectric pre-prospecting method |
| 07/11/2001 | EP1114332A1 System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data |
| 07/11/2001 | EP0714519B1 Entropy based signal transmission, reception and signal analysis method and apparatus |
| 07/11/2001 | CN2439036Y Two-component subsea and earth electric-field instrument assembly |
| 07/11/2001 | CN2439035Y Combined circuits integration for collecting subsea and earth electromagnetic signals |
| 07/10/2001 | US6259248 Motion detection by pulse signal generation |
| 07/10/2001 | US6259241 Projected display for portable sensor indicating the location of a detected hidden object behind a surface |
| 07/10/2001 | CA2111356C Method and apparatus for detecting boundary stratum |
| 07/05/2001 | WO2001048514A1 An apparatus accurately measuring properties of a formation |
| 07/04/2001 | EP1113294A2 Metal detector and method for driving a metal detector |
| 07/04/2001 | EP1112514A1 Method and apparatus for imaging earth formation |
| 07/04/2001 | EP1112502A1 Occupant sensor |
| 07/03/2001 | US6255980 Radar-acoustic hybrid detection system for rapid detection and classification of submerged stationary articles |
| 07/03/2001 | US6255825 Method and apparatus for detecting, locating and resolving buried pipelines, cased wells and other ferrous objects |
| 07/03/2001 | US6255819 System and method for geologically-enhanced magnetic resonance imaging logs |
| 07/03/2001 | US6255817 Nuclear magnetic resonance logging with azimuthal resolution |
| 06/28/2001 | WO2001046549A1 Three dimensional steerable system |
| 06/28/2001 | DE19961209A1 Crease location device for metal roof, includes red and green LEDs assigned with deep crease and high crease width indication signals, respectively |
| 06/27/2001 | EP1110105A1 A method and a device for carrying out measurements based upon magnetism |
| 06/27/2001 | EP1110062A1 Device for detecting and identifying vehicles |
| 06/27/2001 | EP0891563A4 Crossed-loop resonator structure for spectroscopy |
| 06/26/2001 | US6253133 Sitting state detector |
| 06/26/2001 | US6252538 Underground pipe locating system |
| 06/21/2001 | WO2001044835A1 Method and apparatus for improving the vertical resolution of nmr logs |
| 06/21/2001 | WO2001044833A1 Method for obtaining underground imagery using a ground-penetrating radar |
| 06/21/2001 | US20010004212 Shielding method and apparatus using transverse slots |
| 06/21/2001 | DE19959233A1 High-integrity inductive sensor detecting metal parts and e.g. revealing occupied rail track section, has additional testing coil enabling periodic proof testing of sensor coil |
| 06/21/2001 | CA2394264A1 Method for obtaining underground imagery using a ground-penetrating radar |
| 06/21/2001 | CA2394176A1 Method and apparatus for improving the vertical resolution of nmr logs |
| 06/20/2001 | EP1108854A2 Diameter control method for columns produced by an injection method |
| 06/20/2001 | EP1108226A1 Method and apparatus for determining the nature of subterranean reservoirs |
| 06/20/2001 | CN2435747Y Direction lateral well-logging instrument |
| 06/20/2001 | CN1067455C Excovator data acquisition and control system and process |
| 06/19/2001 | US6249122 Electrical voltages and resistances measured to inspect metallic cased wells and pipelines |
| 06/19/2001 | US6249113 Hand held sensor and display |
| 06/19/2001 | US6247542 Non-rotating sensor assembly for measurement-while-drilling applications |
| 06/14/2001 | WO2001042817A1 Nuclear magnetic resonance method and logging apparatus |
| 06/14/2001 | WO2001042816A1 A new method to enhance vertical resolution of time-decay log using forward modeling deconvolution of time-decay spectra |
| 06/14/2001 | WO2001042807A2 Magnetic resonance imaging device |
| 06/14/2001 | WO2001018561A3 Ground penetrating radar array and timing circuit |
| 06/14/2001 | US20010003515 Fault location toning method for submarine networks |
| 06/14/2001 | CA2393153A1 A new method to enhance vertical resolution of time-decay log using forward modeling deconvolution of time-decay spectra |
| 06/13/2001 | EP1107023A1 Tone transmission over cable sheaths for cable location |
| 06/13/2001 | EP1105749A1 Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle |
| 06/13/2001 | CN1299493A Monitoring system |
| 06/13/2001 | CN1299065A Positioning and recognizing device for underground facilities |
| 06/12/2001 | US6246964 Method of earthquake prediction |
| 06/12/2001 | US6246354 Method of determining of permittivity of concrete and use of the method |
| 06/12/2001 | US6246240 Determining resistivity of a formation adjacent to a borehole having casing with an apparatus having all current conducting electrodes within the cased well |
| 06/12/2001 | US6246236 Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling |
| 06/12/2001 | US6246229 Method and apparatus for controlling the temperature stability of an inductor using a magnetically coupled metallic object |
| 06/12/2001 | US6244534 Airborne electromagnetic system |
| 06/12/2001 | US6244106 Electrical power cable underground laying depth measuring method |
| 06/12/2001 | CA2236092C Method and apparatus for locating utility conveyances in an enclosed area |
| 06/12/2001 | CA2083070C Non-contact tamper sensing by electronic means |
| 06/12/2001 | CA2030565C Method and apparatus for product monitoring using a magnetic field |
| 06/07/2001 | WO2001040752A1 Water leak detector and antenna thereof |
| 06/07/2001 | DE19954716A1 Metal detector efficiency test method involves applying test signal to additional coil arranged in one reception coil for generating field superimposing field region of reception coil |
| 06/06/2001 | EP1104550A1 Projected display for portable sensor indicating the location of a detected hidden object |
| 06/06/2001 | EP1104366A1 Occupant detection system |
| 06/06/2001 | EP1104358A1 System for detecting obstacles |
| 06/05/2001 | US6243036 Signal processing for object detection system |
| 06/05/2001 | US6242913 Method for formation evaluation while drilling |