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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05/09/2012 | CN101819281B Ring-array combined solid nonpolarizing electrode |
05/08/2012 | US8174429 Mine detection |
05/08/2012 | US8174404 Downlink pulser for mud pulse telemetry |
05/08/2012 | US8174403 Methods and apparatus for telemetry and power delivery |
05/08/2012 | US8174266 Multi-resolution borehole resistivity imaging |
05/08/2012 | US8174265 Antenna cutout in a downhole tubular |
05/08/2012 | US8174264 Magnetic resonance diagnostic apparatus, magnetic resonance diagnostic main unit and coil unit |
05/08/2012 | US8174263 Magnetic resonance imaging with unnecessary material suppression using multiple RF pulses |
05/08/2012 | US8174262 Fluid saturation estimation |
05/08/2012 | CA2416511C Nuclear magnetic resonance methods for extracting information about a fluid in a rock |
05/07/2012 | DE202012000177U1 Suchgerät zur aktiven Detektion von Drähten Detector for active detection of wires |
05/03/2012 | WO2012058443A2 Imaging in oil-based mud by synchronizing phases of currents injected into a formation |
05/03/2012 | WO2012055641A2 Sensor apparatus, in particular metal sensor, with a field-compensated magnetic field sensor |
05/03/2012 | WO2011103422A3 Apparatus and methods for providing information about one or more subterranean variables |
05/03/2012 | US20120109527 Apparatus and Methods for Drilling Wellbores by Ranging Existing Boreholes Using Induction Devices |
05/03/2012 | DE102010050143A1 Method for nondestructive electrical investigation and monitoring of subsurface area starting from axially driven underground openings, involves utilizing differently grouped and spread transmitter ground dipole arrangements |
05/03/2012 | DE102010046291A1 Guideline assistance device for visually impaired humans, has sensor arrangement having sensors to sense visible light, infrared or UV radiation, ultrasonic waves and presence of metallic objects |
05/03/2012 | DE102010043078A1 Sensorvorrichtung, insbesondere Metallsensor, mit feldkompensiertem Magnetfeldsensor Sensor device, in particular metal sensor, magnetic field sensor with feldkompensiertem |
05/02/2012 | EP2447738A1 Method of correcting resistivity meaurements for tool bending effects |
05/02/2012 | EP2447469A1 Quantitative calculation method for hydrocarbon saturation of fractured reservoir |
05/02/2012 | EP2446815A1 Intracavity probes and interfaces therefor for use in obtaining images and spectra of intracavity structures using high field magnetic resonance systems |
05/02/2012 | EP2446305A2 Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction |
05/02/2012 | EP2446297A1 Improved ground penetrating radar |
05/02/2012 | EP2446225A1 Method and device for determining a rheological transition level |
05/02/2012 | CN202210364U Detection device for width-restricting door examination |
05/02/2012 | CN102439487A Object locating system |
05/02/2012 | CN102436012A Device and method for detecting liquid in pipeline |
05/02/2012 | CN101512555B Iterative image reconstruction |
05/01/2012 | US8170799 Method for determining in-situ relationships between physical properties of a porous medium from a sample thereof |
05/01/2012 | US8169337 Downhole communications module |
05/01/2012 | US8169222 Method for electroseismic survey design |
05/01/2012 | US8169221 Multi-frequency excitation coils for MRI |
05/01/2012 | US8169220 Flattened gradient coil for MRI systems |
05/01/2012 | US8169219 Slice selective MRI excitation with reduced power deposition using multiple transmit channels |
05/01/2012 | US8169218 Methods and apparatus for non-contrast enhanced pulmonary magnetic resonance imaging |
05/01/2012 | US8169217 Mitigating saturation artifacts associated with intersecting plane TrueFISP acquisitions through grouped reverse centric phase encoding |
05/01/2012 | US8169216 System and method for synthesizing crossing ADC distributions via reassembly of multiple k-spaces |
05/01/2012 | CA2646665C Two-axial pad formation resistivity imager |
05/01/2012 | CA2423567C Method for 2d inversion of dual laterolog measurements |
04/26/2012 | WO2012054768A1 Multiplexed shifted echo planar imaging |
04/26/2012 | WO2012054146A2 System and method for automatic detection and analysis of borehole breakouts from images and the automatic generation of alerts |
04/26/2012 | WO2012053902A1 A system and method for combined multi-dimensional electromagnetic- and seismic field characterization, for use in geophysical surveying |
04/26/2012 | WO2012052764A1 Improved method of determining a phase change in a reservoir |
04/26/2012 | WO2012051676A1 Survey airship |
04/26/2012 | WO2012051675A1 Survey airship |
04/26/2012 | WO2012009176A3 Method and apparatus for determining multiscale similarity between nmr measurements and a reference well log |
04/26/2012 | US20120098675 Verfahren zum lokalisieren eines bohrgeräts einer erdbohrvorrichtung method for localizing a boring device of an earth boring apparatus |
04/26/2012 | US20120097450 System and method for automatic detection and analysis of borehole breakouts from images and the automatic generation of alerts |
04/26/2012 | DE102011085007A1 Annäherungserfassung Detecting approach |
04/26/2012 | CA2810462A1 Improved method of determining a phase change in a reservoir |
04/25/2012 | EP2443480A1 Source rock volumetric analysis |
04/25/2012 | CN202205373U 直角转弯考试用检测装置 Right angle turn examinations detection device |
04/25/2012 | CN202204940U 高温超导弱磁测量传感器 HTS weak magnetic measurement sensors |
04/25/2012 | CN202204939U 一种智能金属探测仪 An intelligent metal detector |
04/25/2012 | CN202204938U 一种高密度电法仪的双向通信式电极转换装置 A high-density electrical meter two-way communication device electrodes conversion |
04/25/2012 | CN202204921U 一种防晃动磁通门传感器 An anti-shake fluxgate sensor |
04/25/2012 | CN202204463U 水泥杆钢筋质量检测仪 Reinforced cement pole mass detector |
04/25/2012 | CN102428391A 基于总磁场测量的近海烃电磁勘探方法和设备 Based on offshore hydrocarbon exploration methods and equipment, the total electromagnetic field measurements |
04/25/2012 | CN102428390A 金属探测器 Metal Detector |
04/25/2012 | CN102426393A 电法勘探方法和装置 Electrical prospecting method and apparatus |
04/25/2012 | CN102426392A 一种基于正交磁棒旋转搜索的电磁跟踪方法及系统 An electromagnetic tracking method and system based on orthogonal rotation search bar magnet |
04/25/2012 | CN102426391A 一种判断机器人运行是否发生碰撞的方法 A method for operating a robot to determine whether a collision |
04/25/2012 | CN101460871B 套管井电测井方法 Cased-hole electric logging methods |
04/24/2012 | US8165816 Fluid injection management method for hydrocarbon recovery |
04/24/2012 | US8164478 Data logger having detachable battery for supplying power for outer sensors and rebroadcasting system using thereof |
04/24/2012 | US8164477 Joint channel coding and modulation for improved performance of telemetry systems |
04/24/2012 | US8164475 Downhole communication |
04/24/2012 | US8164340 Method for determining electromagnetic survey sensor orientation |
04/24/2012 | US8164339 Apparatus and system for geosteering and formation evaluation utilizing improved antennas |
04/24/2012 | US8164338 Localization system for an earthmoving machine |
04/24/2012 | US8164337 Assembly with a vibration-isolated cover |
04/24/2012 | US8164336 Transmission line probe for NMR |
04/24/2012 | US8164335 Method for acquiring and displaying medical image data |
04/24/2012 | US8164334 Position detection system |
04/24/2012 | US8164333 Magnetic resonance force detection apparatus and associated methods |
04/24/2012 | CA2564556C Metal immunity in a reverse magnetic system |
04/24/2012 | CA2476515C Electromagnetic borehole telemetry system incorporating a conductive borehole tubular |
04/19/2012 | WO2012051184A2 Predicting downhole formation volumetric sand production using grain-scale rock models |
04/19/2012 | WO2012050550A1 Synchronization of electronic article surveillance systems having metal detection |
04/19/2012 | WO2012003329A3 Systems and methods for compressing data and controlling data compression in borehole communication |
04/19/2012 | WO2011156469A3 Method for treating and sealing piezoelectric tuning forks |
04/19/2012 | US20120092206 Metal detector and ground-penetrating radar hybrid head and manufacturing method thereof |
04/19/2012 | US20120092016 Antenna Apparatus and Method for Insulating |
04/19/2012 | US20120092015 Apparatus And Method For Capacitive Measuring Of Sensor Standoff In Boreholes Filled With Oil Based Drilling Fluid |
04/19/2012 | US20120090827 Non-contact capacitive datalink for a downhole assembly |
04/19/2012 | DE102010048574A1 Verfahren und System zur Ermittlung der Position einer Vorrichtung A method and system for determining the position of a device |
04/18/2012 | EP2440946A1 Method and system for radiometric imaging with spatio-temporal opening synthesis |
04/18/2012 | EP2440745A2 Sensor assembly |
04/18/2012 | CN202197083U 加温炉缺相保护控制系统 Heating furnace control system phase protection |
04/18/2012 | CN202196178U 一种用于核磁共振成像仪的岩心管 A magnetic resonance imager core tube |
04/18/2012 | CN202196177U Circuit monitoring system |
04/18/2012 | CN202196176U 隐藏危险品检测设备 Hide dangerous goods testing equipment |
04/18/2012 | CN202196175U 一种白蚁检测装置和基于无线网络的白蚁检测系统 One kind of termite detection devices and wireless networks based on termite detection system |
04/18/2012 | CN1944953B Method and apparatus for determining position in a pipe |
04/18/2012 | CN1683939B Movement-corrected multi-shot method for diffusion-weighted imaging in magnetic resonance tomography |
04/18/2012 | CN102422177A 基于磁场导数环流测量的近海烃电磁勘探方法和装置 Offshore hydrocarbon exploration method and apparatus for electromagnetic field measurements based derivative circulation |
04/18/2012 | CN102419456A Direct time domain processing method for transient electromagnetic sounding data |
04/18/2012 | CN102419455A 井间并行电阻率ct测试方法 Crosswell parallel resistivity test methods ct |
04/18/2012 | CN102419454A Method for carrying out transient electromagnetic forecasting on long-distance water-containing target body in front of tunnel face |
04/18/2012 | CN102419453A Long-lead source transient electromagnetic ground-air detecting method |