| 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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| 01/22/2009 | US20090021393 System and method for an ac powered downhole gauge |
| 01/22/2009 | US20090021392 Apparatus and method for providing communication between a probe and a sensor |
| 01/22/2009 | US20090021262 Non Polarized Contacts for Resistivity Measurements in Drill Cuttings Samples for Surface Logging While Drilling |
| 01/22/2009 | US20090021260 Rotor drive apparatus and methods utilizing center-fed radial-outflow gas |
| 01/22/2009 | CA2693978A1 Apparatus for acquiring 3-dimensional geomatical information of underground pipes and noncontact odometer using optical flow sensor and using the same |
| 01/22/2009 | CA2693160A1 System and method to measure dielectric constant in a subterranean well |
| 01/21/2009 | EP2017652A1 Inductive proximity detector with switched windings |
| 01/21/2009 | EP1357985B1 Inductive sensory apparatus |
| 01/21/2009 | CN201184914Y Electric wire detector |
| 01/21/2009 | CN101351727A Method and apparatus for the identification and position measurement of chips on a gaming surface |
| 01/21/2009 | CN101351726A A method for hydrocarbon reservoir mapping and apparatus for use when performing the method |
| 01/21/2009 | CN101351617A Magnetic beacon guidance system |
| 01/21/2009 | CN101349151A Three-stage graduation apparatus of electromagnetic wave logger |
| 01/21/2009 | CN100454040C Shallow sea transient electromagnetic detection emitter |
| 01/20/2009 | US7480572 Method for recognising hot targets on the Earth |
| 01/20/2009 | US7479784 Arrangements, systems and methods for facilitating and collecting information associated with fluxes of magnetic fields provided at various angles from one another |
| 01/20/2009 | US7479783 Echo train preparation for fast spin-echo acquisition |
| 01/20/2009 | US7479782 System and method for MRI using MR signals from different resonant species in different regions of k-space |
| 01/20/2009 | CA2223756C Light beam range finder |
| 01/19/2009 | CA2595151A1 Balancing circuit for a metal detector |
| 01/19/2009 | CA2595145A1 Metal detector |
| 01/18/2009 | CA2594076A1 Method, system and support mechanism for object identification |
| 01/18/2009 | CA2594074A1 Method and system for radiated power control for short range rfid tag reading |
| 01/15/2009 | WO2009009342A1 Determining formation parameters using electromagnetic coupling components |
| 01/15/2009 | WO2009008862A1 Improved pulse signaling for downhole telemetry |
| 01/15/2009 | WO2009006975A2 A tool for downhole formation evaluation |
| 01/15/2009 | WO2008084061A3 Method of and apparatus for analysing data from an electromagnetic survey |
| 01/15/2009 | WO2008021377A3 Ferromagnetic frame magnet with superconducting coils |
| 01/15/2009 | WO2008019750A3 Device and method for detecting non-linear electronic components or circuits especially of a booby trap or the like |
| 01/15/2009 | WO2007094846A3 Source monitoring for electromagnetic surveying |
| 01/15/2009 | US20090018775 Geosteering in Earth Formations Using Multicomponent Induction Measurements |
| 01/15/2009 | US20090015459 Method for Reducing Interference Signal Influences on a High-Frequency Measurement Device and High-Frequency Measurement Device |
| 01/15/2009 | US20090015262 Buoy-based marine electromagnetic signal acquisition system |
| 01/15/2009 | US20090015261 Determining formation parameters using electromagnetic coupling components |
| 01/15/2009 | US20090015260 Antenna cutout in a downhole tubular |
| 01/15/2009 | US20090015254 Demagnetizer to Eliminate Residual Magnetization Produced by Nuclear Magnetic Resonance Logs |
| 01/15/2009 | US20090015253 System and method implementing inherently conducting polymers for downhole applications |
| 01/15/2009 | DE112006002951T5 Dielektriztätsmessungen bei Öl-basiertem Schlamm mit abbildendem Messwerkzeug Dielektriztätsmessungen with oil-based mud with the imaging scanning tool |
| 01/15/2009 | CA2693626A1 Method and device for capacitive detection of objects |
| 01/15/2009 | CA2692555A1 A tool for downhole formation evaluation |
| 01/14/2009 | EP2015109A1 A tool for downhole formation evaluation |
| 01/14/2009 | EP2013644A2 Method and apparatus for tensorial micro-resistivity imaging in oil-based muds |
| 01/14/2009 | EP1328832B1 Method for determination of apparent resistivities of anisotropic reservoirs |
| 01/14/2009 | CN201181935Y 电感式接近开关 Inductive proximity switches |
| 01/14/2009 | CN201181349Y Electronic code transmission device, receiving device and optical cable electronic code identification system |
| 01/14/2009 | CN101346643A Device for determining an object, in particular a locating device or material identification device |
| 01/14/2009 | CN101344595A Shield excitation quantitative determination probe and method thereof |
| 01/14/2009 | CN101343998A High temperature magnet of nuclear magnetic resonance logging instrument and preparation method thereof |
| 01/14/2009 | CN101343876A Hydraulic rock anchor slip casting electronic logging and monitoring method |
| 01/14/2009 | CN100451680C High resolution ratio static natural potential well logging instrument and its measuring method |
| 01/13/2009 | US7477162 Wireless electromagnetic telemetry system and method for bottomhole assembly |
| 01/13/2009 | US7477161 Bidirectional telemetry apparatus and methods for wellbore operations |
| 01/13/2009 | US7477160 Wireless communications associated with a wellbore |
| 01/13/2009 | US7477057 Magnetic resonance system with components allowing upgrade capability |
| 01/13/2009 | US7477056 Birdcage resonator with coupling rings in addition to the ferrules |
| 01/13/2009 | US7477055 Apparatus and method for coupling coils in a superconducting magnet |
| 01/13/2009 | US7477054 Magnetic resonance imaging at several RF frequencies |
| 01/13/2009 | US7476330 nuclear magnetic resonance apparatus using amorphous matrices such as epoxy resins, glass or plastics as cements for magnetic materials selected from gadolinium, iron or manganese solubilized in the matrix using chelating agents or ligands; cryogenics; magnetism |
| 01/13/2009 | CA2479262C Deep resistivity transient method for mwd applications using asymptotic filtering |
| 01/08/2009 | WO2009006469A2 Transmitter system, method of inducing a transient electromagnetic field in an earth formation, method of obtaining a transient electromagnetic response signal, and method of producing a hydrocarbon fluid |
| 01/08/2009 | WO2009006467A1 Down-hole transmitter system, method of inducing a transient electromagnetic field in an earth formation, method of obtaining a transient electromagnetic response signal, and method of producing a hydrocarbon fluid |
| 01/08/2009 | WO2009006464A1 Method of determining electrical anisotropy in a subsurface formation |
| 01/08/2009 | WO2009006088A2 Methods for electromagnetic measurements and correction of non-ideal receiver responses |
| 01/08/2009 | WO2009006077A1 Systems and methods for calibrating an electromagnetic receiver |
| 01/08/2009 | WO2009003938A1 Apparatus for collecting and delivering electromagnetic energy |
| 01/08/2009 | WO2008064852A3 Localization system for an earthmoving machine |
| 01/08/2009 | US20090009410 Positioning, detection and communication system and method |
| 01/08/2009 | US20090009174 Borehole Conductivity Simulator Verification and Transverse Coil Balancing |
| 01/08/2009 | US20090009173 Portable wireless metal detector |
| 01/08/2009 | US20090009171 Shim support guide JIG for magnetic field generation apparatus, magnetic field generation apparatus and magnetic resonance imaging equipment each including shim support in which magnetic material shims are arranged and adjusted by employing shim support guide JIG, and magnetic field adjustment method for magnetic field generation apparatus, as well as magnetic field adjustment method for magnetic resonance imaging equipment |
| 01/08/2009 | US20090009165 Quantum information processing device and method |
| 01/08/2009 | CA2692152A1 Transmitter system, method of inducing a transient electromagnetic field in an earth formation, method of obtaining a transient electromagnetic response signal, and method of producing a hydrocarbon fluid |
| 01/08/2009 | CA2691482A1 Method of determining electrical anisotropy in a subsurface formation |
| 01/08/2009 | CA2691422A1 Cable-type electromagnetic receiver system for subsurface exploration |
| 01/08/2009 | CA2689627A1 Down-hole transmitter system, method of inducing a transient electromagnetic field in an earth formation, method of obtaining a transient electromagnetic response signal, and method of producing a hydrocarbon fluid |
| 01/07/2009 | EP2012143A1 Compensation method for differential voltage deviations with varying alignment of a sensor rod of magnetometers in the earth's magnetic field and magnetometer |
| 01/07/2009 | EP2012142A1 Magnetometer sensor and magnetometer |
| 01/07/2009 | CN101341424A Magnetic induction tomography system and method |
| 01/07/2009 | CN101341423A Real-time rectangular-wave transmitting metal detector platform with user selectable transmission and reception properties |
| 01/07/2009 | CN101338665A High-frequency electromagnetic wave sending machine |
| 01/07/2009 | CN100448631C Magnetic density detecting robot with self-locate function and telescope joint |
| 01/06/2009 | US7474233 Parking control device |
| 01/06/2009 | US7474102 Rectangular-wave transmitting metal detector |
| 01/06/2009 | US7474101 Method for combined transient and frequency domain electromagnetic measurements |
| 01/06/2009 | US7474100 Automatic digital preemphasis for dynamic NMR-magnetic fields by means of a digital IIR filter |
| 01/06/2009 | US7474099 NMR apparatus with commonly cooled probe head and cryogenic container and method for the operation thereof |
| 01/06/2009 | US7474098 Stacked coil array for magnetic resonance experiments |
| 01/06/2009 | US7474097 Magnetic resonance imaging with ultra short echo times |
| 01/06/2009 | US7474096 Magnetic resonance imaging apparatus |
| 01/06/2009 | US7474095 NMR spectroscopy using spin states with long lifetimes |
| 01/06/2009 | US7473843 Magnetic resonance imaging coated assembly |
| 01/06/2009 | US7472588 Petrophysical fluid flow property determination |
| 01/06/2009 | US7472532 Metal detector arrangement |
| 01/06/2009 | CA2509562C Determining a borehole azimuth from tool face measurements |
| 01/06/2009 | CA2469891C Stochastic nmr for downhole use |
| 01/06/2009 | CA2411089C Method for determining molecular properties of hydrocarbon mixtures from nmr data |
| 01/06/2009 | CA2382752C Radar apparatus for imaging and/or spectrometric analysis and methods of performing imaging and/or spectrometric analysis of a substance for dimensional measurement, identification and precision radar mapping |
| 01/06/2009 | CA2266222C Timing and control and data acquisition for a multitransducer ground penetrating radar system |
| 01/01/2009 | US20090005994 Time Lapse Analysis with Electromagnetic Data |
| 01/01/2009 | US20090005993 Characterizing an Earth Subterranean Structure by Iteratively Performing Inversion Based on a Function |