| 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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| 05/15/2013 | CN102288999B High-temperature superconductivity weak magnetic measuring transducer |
| 05/15/2013 | CN102176062B 多功能发射机 Multifunctional Transmitter |
| 05/14/2013 | US8441370 Actuating downhole devices in a wellbore |
| 05/14/2013 | US8441269 Determining formation properties while drilling |
| 05/14/2013 | US8441261 Determination of conductive formation orientation by making wellbore sonde error correction |
| 05/14/2013 | US8441260 Transmit-receive switching circuit for NMR spectrometer and NMR spectrometer incorporating same |
| 05/14/2013 | US8441259 Transmit/receive coil for ultra-high field MRI |
| 05/14/2013 | US8441258 Quadrature and linear RF coil array for MRI of human spine and torso |
| 05/14/2013 | US8441257 Time resolved spin labeled MRI cineangiography |
| 05/14/2013 | US8441256 Method for analyzing a multi-phase fluid |
| 05/14/2013 | US8438917 Methods of long-term gravimetric monitoring of carbon dioxide storage in geological formations |
| 05/10/2013 | WO2013067546A1 Method for calibration-free locally low-rank encouraging reconstruction of magnetic resonance images |
| 05/10/2013 | WO2013067329A1 Methods and systems for detection and identification of concealed materials |
| 05/10/2013 | WO2013067255A1 Well access tools |
| 05/10/2013 | WO2013067246A1 System and method for measuring borehole geometry while drilling |
| 05/10/2013 | WO2013066953A2 Statistical analysis of combined log data |
| 05/10/2013 | WO2013066949A2 Petrophysically regularized time domain nmr inversion |
| 05/10/2013 | WO2013066549A1 Hydrocarbon determination in unconventional shale |
| 05/10/2013 | WO2013066548A1 Method for correcting nmr and nuclear logs in formate mud filtrate invaded formations |
| 05/10/2013 | WO2013066436A1 Multi-array laterolog tools and methods with split monitor electrodes |
| 05/10/2013 | WO2013064813A2 Target position, movement and tracking system |
| 05/10/2013 | WO2013064642A1 Apparatus for monitoring in a magnetic environment and method associated therewith |
| 05/10/2013 | WO2013063659A1 Improved metal detection method |
| 05/10/2013 | WO2013039636A3 Connection method of replaceable sensors for resistivity arrays |
| 05/10/2013 | WO2013039632A3 Interpreting borehole transient electromagnetic data using two thin-sheet conductors |
| 05/10/2013 | WO2013036515A3 Pore parameters and hydraulic parameters from electric impedance spectra |
| 05/10/2013 | WO2013009932A3 Reducing fluid capacitance and conductance effects on piezoelectric resonator measurements |
| 05/10/2013 | WO2012167065A3 Methods and systems for remotely detecting hazardous materials using electromagnetic energy |
| 05/10/2013 | WO2012146433A3 Method and apparatus for line detection |
| 05/10/2013 | CA2854465A1 Well access tools |
| 05/10/2013 | CA2850776A1 Multi-array laterolog tools and methods with split monitor electrodes |
| 05/10/2013 | CA2849245A1 Multi-component induction logging systems and methods using real-time obm borehole correction |
| 05/09/2013 | US20130113629 Phase sensitive coherent otdr with multi-frequency interrogation |
| 05/09/2013 | US20130113491 Drilling dynamics monitor |
| 05/09/2013 | US20130113490 Apparatus and method for directional resistivity measurement while drilling using incomplete circular antenna |
| 05/09/2013 | US20130113489 Stationary star-shaped antenna method for manipulating focused beamformed, shaped fields and beamsteered electromagnetic signal from subtel sedimentary stratigraphic formations deep in the earth |
| 05/09/2013 | US20130113488 Apparatus and methods for monitoring a core during coring operations |
| 05/09/2013 | US20130113487 Instrumented core barrels and methods of monitoring a core while the core is being cut |
| 05/09/2013 | US20130113480 Multiphysics nmr logging techniques for the determination of in situ total gas in gas reservoirs |
| 05/09/2013 | US20130113479 Method for correcting nmr and nuclear logs in formate mud filtrate invaded formatons |
| 05/08/2013 | EP2590300A1 Non-contact electric power feeding system and metal foreign-object detection apparatus for non-contact electric power feeding system |
| 05/08/2013 | EP2589989A2 Signal Generator |
| 05/08/2013 | EP2589988A2 Locator for locating a current carrying conductor |
| 05/08/2013 | EP2589987A1 Location device |
| 05/08/2013 | EP2588890A2 Systems and methods for compressing data and controlling data compression in borehole communication |
| 05/08/2013 | EP2588889A1 High resolution downhole imaging |
| 05/08/2013 | DE102011085876A1 Objektfinder Property Finder |
| 05/08/2013 | CN103097916A Tera-and gigahertz solid state miniature spectrometer |
| 05/08/2013 | CN103097915A Magnetovariational method |
| 05/08/2013 | CN103091719A Transient electromagnetic underground detecting instrument |
| 05/08/2013 | CN103091718A Method of using extremely low frequency marine electromagnetic method to conduct marine oil and gas resources exploration |
| 05/08/2013 | CN103091717A Electromagnetic prospecting method capable of achieving self-synchronizing frequency conversion of receiving and sending |
| 05/08/2013 | CN103091716A Location Device |
| 05/08/2013 | CN103091715A Locator For Locating A Current Carrying Conductor |
| 05/08/2013 | CN101593410B Security monitoring system of coach bus |
| 05/08/2013 | CN101526334B A detector for calculating a depth of a buried conductor |
| 05/08/2013 | CN101255792B Making directional measurements using a rotating and non-rotating drilling apparatus |
| 05/07/2013 | US8437960 Gravity survey data processing |
| 05/07/2013 | US8436618 Magnetic field deflector in an induction resistivity tool |
| 05/07/2013 | US8436617 Compensation device to reduce the electromagnetic field load due to a medical intervention apparatus in magnetic resonance examinations |
| 05/07/2013 | US8436616 Sample tube and measurement method for solid-state NMR |
| 05/07/2013 | US8436613 Method and magnetic resonance system for diffusion-weighted acquisition of MR signals |
| 05/07/2013 | US8436612 Magnetic resonance apparatus and method for implementing a neurological sequence protocol |
| 05/07/2013 | US8436611 Magnetic resonance imaging (MRI) using SPIR and/or CHESS suppression pulses |
| 05/07/2013 | US8436609 Method and apparatus for detection of a liquid under a surface |
| 05/02/2013 | WO2013063302A1 Apparatus, systems and methods which are based on magnetic resonance imaging for evaluation(s) of radio frequency emitting device(s) |
| 05/02/2013 | WO2013022725A3 Realtime dogleg severity prediction |
| 05/02/2013 | US20130110403 Method and apparatus for determining the nature of a material in a cavity between one inner metal wall and one outer metal wall |
| 05/02/2013 | US20130110402 Method and Apparatus for In-Situ Wellbore Measurement and Control with Inductive Connectivity |
| 05/02/2013 | US20130106615 High-speed downhole sensor and telemetry network |
| 05/02/2013 | US20130106614 Synchronization between devices |
| 05/02/2013 | US20130106421 Methods and Systems for Determining Standoff Between a Downhole Tool and a Geological Formation |
| 05/02/2013 | US20130106413 System and Method for Measuring Borehole Geometry While Drilling |
| 05/02/2013 | US20130105224 Method and Apparatus For Sensing Elongated Subterranean Anomalies |
| 05/01/2013 | CN202916451U Intrinsic-safety-type water-existence sensor |
| 05/01/2013 | CN103080777A Apparatus and method for microresistivity imaging in nonconductive drilling fluid |
| 05/01/2013 | CN103080776A Measuring apparatus, particularly measuring apparatus for sensing metal articles |
| 05/01/2013 | CN103076638A Processing method for dual Bessel functions in one-dimensional layered earth central loop TEM (transverse electric and magnetic field) formula |
| 05/01/2013 | CN103076637A Delivery transmission device and delivery transmission method for tunnel single-hole geological radar imaging antenna |
| 05/01/2013 | CN103076636A Directional induced polarization real-time advance water detecting device and method while drilling for tunnel construction |
| 05/01/2013 | CN103076635A Advanced detection system and method for TBM (Tunnel Boring Machine) tunnel construction based on forward three-dimensional induced polarization |
| 05/01/2013 | CN102508304B 手持式金属探测器 Hand-held metal detectors |
| 05/01/2013 | CN102253418B Marine controlled-source electromagnetic transmission system and using method thereof |
| 05/01/2013 | CN102221711B Advanced prediction device for tunnel water inrush by using nuclear magnetic resonance differential detection and detection method |
| 05/01/2013 | CN102053280B Nuclear magnetic resonance ground water detection system with reference coils and detection method |
| 05/01/2013 | CN101952743B An efficient method for inversion of geophysical data |
| 05/01/2013 | CN101943759B Non-contact sensor for object detection |
| 05/01/2013 | CN101930082B Method for distinguishing reservoir fluid type by adopting resistivity data |
| 05/01/2013 | CN101688923B 高分辨率电压感测阵列 High-resolution voltage sensing arrays |
| 05/01/2013 | CN101552381B Antenna amplifier, in particular for a magnetic resonance antenna |
| 04/30/2013 | US8433551 Machine, computer program product and method to carry out parallel reservoir simulation |
| 04/30/2013 | US8433518 Multilevel workflow method to extract resistivity anisotropy data from 3D induction measurements |
| 04/30/2013 | US8433122 Method and apparatus for processing mass analysis data |
| 04/30/2013 | US8432294 Subsea electronic module |
| 04/30/2013 | US8432167 Method and apparatus of using magnetic material with residual magnetization in transient electromagnetic measurement |
| 04/30/2013 | US8432166 Balanced steady-state free-precession transient imaging using variable flip angles for a predefined signal profile |
| 04/30/2013 | US8432165 Simultaneous excitation and acquisition in magnetic resonance |
| 04/30/2013 | CA2663525C Fluid injection management method for hydrocarbon recovery |
| 04/25/2013 | WO2013059585A2 Methods, computer readable medium, and apparatus for determining well characteristics and pore architecture utilizing conventional well logs |
| 04/25/2013 | WO2013058332A1 Capacitance sensor |