| 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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| 01/10/2013 | US20130013211 Cnt fiber based impedance spectroscopy for characterizing downhole fluids |
| 01/10/2013 | US20130013210 Electrical imager operating in oil-based mud and low resistive formation |
| 01/10/2013 | US20130013209 Predicting anisotropic source rock properties from well data |
| 01/10/2013 | US20130009784 Online Measuring Assembly of the Rheological Properties of a Drilling Fluid and Associated Measuring Method |
| 01/10/2013 | US20130009646 Electromagnetic Probe |
| 01/10/2013 | CA2840848A1 Device for detecting objects such as mines |
| 01/09/2013 | EP2544027A1 Metal detector for production and packaging lines |
| 01/09/2013 | EP2542922A1 Structure for magnetic field sensor for marine geophysical sensor streamer |
| 01/09/2013 | EP2542921A2 Obscured feature detector |
| 01/09/2013 | EP2542868A1 A probe indicating intermaterial boundaries |
| 01/09/2013 | EP1856477B1 Magnetic position detector and method for detecting a position of a packaging material with magnetic marking with magnetic compensation |
| 01/09/2013 | CN202661636U Tunnel vault detection device |
| 01/09/2013 | CN202661635U Wire and cable joint detection device |
| 01/09/2013 | CN202661634U Transmitter coil of transient electromagnetic instrument |
| 01/09/2013 | CN102870014A Processing and geosteering with rotating tool |
| 01/09/2013 | CN102870013A Detection of a metal or magnetic object |
| 01/09/2013 | CN102870012A Detection of a metal ot magnetic object |
| 01/09/2013 | CN102870011A Detection of a metal or magnetic object |
| 01/09/2013 | CN102866430A Wireless communication technology-based geomagnetic measurement system and temperature compensation method thereof |
| 01/09/2013 | CN102866429A Method for determining groundwater occurrence |
| 01/09/2013 | CN102866428A Transverse coil for logging instrument and forming method thereof |
| 01/09/2013 | CN102866427A Method for testing hydraulic connection between unsaturated zone soil and groundwater |
| 01/09/2013 | CN102865067A Array coil system of azimuthal electromagnetic wave resistivity logging instrument while drilling |
| 01/09/2013 | CN101710187B Method for calibrating time domain aviation electromagnetic altitude |
| 01/08/2013 | US8352190 Method for analyzing multiple geophysical data sets |
| 01/08/2013 | US8352189 Method for generating high resolution surface topology map using surface profiling and surveying instrumentation |
| 01/08/2013 | US8352188 Apparatus for generating high resolution surface topology map using surface profiling and surveying instrumentation |
| 01/08/2013 | US8350716 System and method for communicating data between wellbore instruments and surface devices |
| 01/08/2013 | US8350715 Pulse signaling for downhole telemetry |
| 01/08/2013 | US8350570 Pipe survey method using UWB signal |
| 01/08/2013 | US8350568 Nuclear magnetic resonance apparatus |
| 01/08/2013 | US8350567 Pre-adjustable SMD coils for high currents |
| 01/08/2013 | US8350566 Magnetic particle imaging apparatus, method of disposing detection coil for magnetic particle imaging apparatus, and magnetic flux detecting apparatus |
| 01/08/2013 | CA2486601C Near field presence detection device |
| 01/08/2013 | CA2450598C Method and apparatus utilizing nmr measurements to gather information on a property of the earth formation surrounding a wellbore |
| 01/03/2013 | WO2013003658A1 Indicating system for a downhole apparatus and a method for locating a downhole apparatus |
| 01/03/2013 | WO2013003656A1 Methods and apparatus for locating hidden or buried non-conductive pipes and leaks therefrom |
| 01/03/2013 | WO2013002135A1 Proximity sensor |
| 01/03/2013 | WO2013001970A1 Metal detection sensor |
| 01/03/2013 | WO2013001292A2 Apparatus for detecting ferromagnetic objects and screening people and equipment |
| 01/03/2013 | WO2013001139A1 Positioning method for a drilling head |
| 01/03/2013 | WO2013001129A1 Airborne system for measuring the humidity of the terrain and the water content of the vegetation, and implementation method |
| 01/03/2013 | WO2013001127A1 System for acquiring geophysical parameters using navigation satellite signals |
| 01/03/2013 | WO2012134974A3 Selecting a survey setting for characterizing a target structure |
| 01/03/2013 | WO2012073116A3 Electric field signature detection using exciter-sensor arrays |
| 01/03/2013 | US20130006535 Predicting carbonate rock solid permittivity |
| 01/03/2013 | US20130002258 Device for dielectric permittivity and resistivity high temperature measurement of rock samples |
| 01/03/2013 | US20130002257 Method For Improving Wellbore Survey Accuracy And Placement |
| 01/03/2013 | US20130002256 Electromagnetic proximity detection method and unit |
| 01/03/2013 | US20130002255 Indicating system for a downhole apparatus and a method for locating a downhole apparatus |
| 01/03/2013 | US20130002246 Modified pulse sequence to estimate properties |
| 01/03/2013 | DE102011051393A1 Receipt device for receiving information e.g. geological information, from drill head arranged in bore hole, has determination switching circuit to determine information from transformed signal, and to demodulate and decode signal |
| 01/03/2013 | CA2840298A1 Positioning method for a drilling head |
| 01/03/2013 | CA2839990A1 Downhole signalling systems and methods |
| 01/02/2013 | EP2541284A1 System and method for generating fluid compensated downhole parameters |
| 01/02/2013 | EP2539746A2 Determining the larmor frequency for nmr tools |
| 01/02/2013 | EP2539745A2 Method and apparatus for determining geological structural dip using mulitaxial induction measurements |
| 01/02/2013 | EP2539744A2 Uncertainty estimation for large-scale nonlinear inverse problems using geometric sampling and covariance-free model compression |
| 01/02/2013 | EP2539743A2 Electromagnetic proximity detection method and unit |
| 01/02/2013 | CN202649483U Electric field constraint method mine security type full mechanized excavation machine carried geological structure detection system |
| 01/02/2013 | CN202649482U Electromagnetic wave detector for conduit tube blocking position |
| 01/02/2013 | CN202649481U Pipe plug detector for nonmetal electric pipe |
| 01/02/2013 | CN202649480U Identification device capable of automatically adjusting signal circuit level |
| 01/02/2013 | CN102859873A Locator |
| 01/02/2013 | CN102859560A Method and system for reducing effect of interference in integrated metal detection/electronic article surveillance systems |
| 01/02/2013 | CN102859394A Derivative imaging for subsurface object detection |
| 01/02/2013 | CN102859393A Detection of a metal or a magnetic object |
| 01/02/2013 | CN102854538A Single-cabin-ball three-component submarine magnetometer |
| 01/02/2013 | CN102854537A Digital quick tracking helium optical pumping magnetometer |
| 01/02/2013 | CN102854536A Five-rod type side-length-adjustable type submarine cable detection antenna array and detection method thereof |
| 01/02/2013 | CN102854535A Broadband magnetic sensor |
| 01/02/2013 | CN102147483B Groundwater-recharge bipolar double-meter electric well logging method |
| 01/02/2013 | CN101680963B Tag communication device and tag communication method |
| 01/02/2013 | CN101243334B A detector for detecting a buried current carrying conductor |
| 01/02/2013 | CN101185006B Passively shielded inductive sensor system for personnel screening |
| 01/01/2013 | US8345918 Active subject privacy imaging |
| 01/01/2013 | US8344905 Method and conduit for transmitting signals |
| 01/01/2013 | US8344904 Signal processing in downhole equipment |
| 01/01/2013 | US8344731 NMR device for detection of analytes |
| 01/01/2013 | US8344730 Magnetic resonance imaging apparatus |
| 01/01/2013 | US8344729 Magnetic resonance imaging apparatus |
| 01/01/2013 | US8344728 Systems and methods using nuclear magnetic resonance (NMR) spectroscopy to evaluate pain and degenerative properties of tissue |
| 01/01/2013 | US8344727 Directed energy imaging system |
| 01/01/2013 | US8344726 Acoustic modified NMR (AMNMR) |
| 12/27/2012 | WO2012178158A1 Metal object or feature detection apparatus and method |
| 12/27/2012 | WO2012177489A1 Multi-element magnetic receiver for interference suppression and signal enhancement |
| 12/27/2012 | WO2012177349A1 System and method to measure or generate an electrical field downhole |
| 12/27/2012 | WO2012176129A2 Matrix permittivity determination |
| 12/27/2012 | WO2012175088A1 Method and system for mapping a geological structure of a formation on one side of a surface using magnetic moments of different values |
| 12/27/2012 | WO2012174745A1 Apparatus used for detecting metal, metal detection apparatus and method, and vehicle detector |
| 12/27/2012 | WO2012135803A3 Method of directional resistivity logging |
| 12/27/2012 | WO2012135607A3 Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal |
| 12/27/2012 | WO2012135606A3 Formation resistivity measurements using phase controlled currents |
| 12/27/2012 | WO2012135604A3 Formation resistivity measurements using multiple controlled modes |
| 12/27/2012 | WO2012129058A3 Correction of deep azimuthal resistivity measurements for bending |
| 12/27/2012 | WO2012125935A3 Correction for gain variation due to fast changing nmr sensor gain |
| 12/27/2012 | WO2012123882A3 Examination of porosity by nmr and intrusion porosimetry |
| 12/27/2012 | WO2012123863A3 Examining porous samples |
| 12/27/2012 | US20120326723 Apparatus and Method for Actively Balancing Impedance of A Resistivity Measuring Tool |
| 12/27/2012 | DE102012105199A1 Sensoranordnungen zur Detektion der Nähe eines Materials zu einem Mikrowellenelement Sensor devices for detecting the vicinity of a material to a microwave element |