| 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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| 01/28/2010 | US20100019771 Multi-Resolution Borehole Resistivity Imaging |
| 01/28/2010 | US20100019770 Electromagnetic geological metrology system |
| 01/28/2010 | US20100019769 Metal detector having constant reactive transmit voltage applied to a transmit coil |
| 01/28/2010 | US20100019768 Apparatus and method for metal detecting |
| 01/28/2010 | CA2730554A1 System and method for detecting casing in a formation using current |
| 01/28/2010 | CA2730001A1 Method for transformation and imaging of electromagnetic survey data for submarine hydrocarbon reservoirs |
| 01/27/2010 | EP2148224A1 Determining earth properties |
| 01/27/2010 | EP2148223A1 Apparatus for balancing impedance of a resistivity measuring tool |
| 01/27/2010 | EP2148217A1 Detection of a concealed object |
| 01/27/2010 | CN201392405Y Magnetometer probe |
| 01/27/2010 | CN101634720A Metal detecting device and method |
| 01/27/2010 | CN101634719A Inverter for outputting cascade high voltage |
| 01/27/2010 | CN100584271C Magnetic resonance imaging apparatus |
| 01/26/2010 | US7652592 Data transmission device |
| 01/26/2010 | US7652591 Device for detecting the position of a mobile element to which it is coupled and related mobile element |
| 01/26/2010 | US7652481 Method and apparatus to detect and locate roof leaks |
| 01/26/2010 | US7652477 Multi-frequency metal detector having constant reactive transmit voltage applied to a transmit coil |
| 01/26/2010 | US7652476 Integrated capacitor shield for balun in MRI receivers |
| 01/26/2010 | US7652475 Cartesian continuous sampling with unequal gradients |
| 01/26/2010 | US7652474 Conjugate symmetry in parallel imaging |
| 01/26/2010 | US7652473 Magnetic field measuring optically pumped magnetometer apparatus |
| 01/26/2010 | CA2381364C Fault location device and method |
| 01/25/2010 | CA2672027A1 Article identification system |
| 01/25/2010 | CA2668437A1 In situ measurements in formation testing to determine true formation resistivity |
| 01/21/2010 | WO2010009367A1 Method, apparatus, and system for determining accurate location data related to underground installations |
| 01/21/2010 | WO2010008994A2 Formation evaluation instrument and method |
| 01/21/2010 | WO2010008634A1 System and method for employing alternating regions of magnetic and non-magnetic casing in magnetic ranging applications |
| 01/21/2010 | WO2010007345A1 Method for attenuating air wave response in marine transient electromagnetic surveying |
| 01/21/2010 | WO2010007344A1 Method for reducing induction noise in towed marine electromagnetic survey signals |
| 01/21/2010 | WO2009146005A3 Signal generator for electromagnetic surveying |
| 01/21/2010 | WO2009126566A3 Joint inversion of time domain controlled source electromagnetic (td-csem) data and further data |
| 01/21/2010 | WO2009088548A4 Configurable magnet assembly for using in nmr well logging instrument |
| 01/21/2010 | US20100017133 Method for reducing induction noise in towed marine electromagnetic survey signals |
| 01/21/2010 | US20100017132 Method for evaluating measured electromagnetic data relating to a subsurface region |
| 01/21/2010 | US20100013831 Method for geographically displaying oil and gas related information |
| 01/21/2010 | US20100013664 Method and apparatus for determining position in a pipe |
| 01/21/2010 | US20100013663 Downhole Telemetry System Using an Optically Transmissive Fluid Media and Method for Use of Same |
| 01/21/2010 | US20100013488 Measuring head and measuring method |
| 01/21/2010 | US20100013487 Tool for electrical investigation of a borehole |
| 01/21/2010 | US20100013486 Method for attenuating air wave response in marine electromagnetic surveying |
| 01/21/2010 | US20100013485 Surveying using vertical electromagnetic sources that are towed along with survey receivers |
| 01/21/2010 | CA2730724A1 Method for attenuating air wave response in marine transient electromagnetic surveying |
| 01/21/2010 | CA2730723A1 Method for reducing induction noise in towed marine electromagnetic survey signals |
| 01/21/2010 | CA2730532A1 Formation evaluation instrument and method |
| 01/21/2010 | CA2729203A1 System and method for employing alternating regions of magnetic and non-magnetic casing in magnetic ranging applications |
| 01/20/2010 | EP2146224A2 Magnetic Body Detector |
| 01/20/2010 | EP2145213A2 Method and apparatus to automatically recover well geometry from low frequency electromagnetic signal measurements |
| 01/20/2010 | EP2145210A1 Inverse-vector method for smoothing dips and azimuths |
| 01/20/2010 | CN201387489Y Antenna system conducting resistivity log according to electromagnetic waves |
| 01/20/2010 | CN201386555Y Electromagnetic wave measuring instrument for water holdup in oil well |
| 01/20/2010 | CN101630021A Inductive proximity sensor for embedded mounting and method of designing the same |
| 01/20/2010 | CN101630020A Permanent-magnet locator |
| 01/19/2010 | US7650241 Use of the dynamic downhole measurements as lithology indicators |
| 01/19/2010 | US7650240 Estimating an attribute value using spatial interpolation and masking zones |
| 01/19/2010 | US7649475 Tool string direct electrical connection |
| 01/19/2010 | US7649474 System for wireless communication along a drill string |
| 01/19/2010 | US7649473 Physically segmented logical token network |
| 01/19/2010 | US7649357 Side entry leak protection for downhole tools |
| 01/19/2010 | US7649356 Pulse induction metal detector having high energy efficiency and sensitivity |
| 01/19/2010 | US7649355 Method of operating a dynamic nuclear polarization system |
| 01/19/2010 | US7649354 Method and apparatus for acquiring magnetic resonance imaging data |
| 01/19/2010 | US7649353 Magnetic resonance imaging method and apparatus using a circularly polarized RF resonator detecting right and left circularly polarized components of MR signals |
| 01/19/2010 | CA2475425C Downhole signal communication and measurement through a metal tubular |
| 01/14/2010 | WO2010006329A2 Monte carlo method for laplace inversion of nmr data |
| 01/14/2010 | WO2010006302A2 "system and method for using a resistivity tool with wired drill pipe and one or more wells" |
| 01/14/2010 | WO2010006041A2 System for measuring shear stress in downhole tubulars |
| 01/14/2010 | WO2010005967A1 Determination of earth formation parameters from t1 nmr relaxation dispersion measurements |
| 01/14/2010 | WO2010005907A1 Method to detect casing point in a well from resistivity ahead of the bit |
| 01/14/2010 | WO2010005905A2 Method to detect coring point from resistivity measurements |
| 01/14/2010 | WO2010005902A2 Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well |
| 01/14/2010 | WO2010005762A2 Well log normalization |
| 01/14/2010 | WO2010004393A2 Nmr logging of miscible displacement |
| 01/14/2010 | WO2010003236A1 Spin echo spi methods for quantitative analysis of fluids in porous media |
| 01/14/2010 | WO2009143409A3 Reliable downhole data transmission system |
| 01/14/2010 | WO2009142868A3 Drilling wells in compartmentalized reservoirs |
| 01/14/2010 | WO2009142840A3 Methods and apparatus to form a well |
| 01/14/2010 | US20100010744 Monte carlo method for laplace inversion of nmr data |
| 01/14/2010 | US20100007519 Method and conduit for transmitting signals |
| 01/14/2010 | US20100007349 Method and apparatus for focusing in resistivity measurement tools using independent electrical sources |
| 01/14/2010 | US20100007348 Anisotropy orientation image from resistivity measurements for geosteering and formation evaluation |
| 01/14/2010 | CA2730512A1 Monte carlo method for laplace inversion of nmr data |
| 01/14/2010 | CA2730067A1 Nmr logging of miscible displacement |
| 01/14/2010 | CA2728610A1 Well log normalization |
| 01/13/2010 | EP2144053A1 Determination of earth formation parameters from T1 NMR relaxation dispersion measurements |
| 01/13/2010 | EP1328830B1 Nmr sequence for optimizing instrument electrical power usage |
| 01/13/2010 | CN100580479C Testing and standardization device for ground nuclear magnetic resonance water-seeking instrument system as well as testing method |
| 01/12/2010 | US7647182 Apparent dip angle calculation and image compression based on region of interest |
| 01/12/2010 | US7647181 Computer generated land cover classification |
| 01/12/2010 | US7646310 System for communicating downhole information through a wellbore to a surface location |
| 01/12/2010 | US7646201 Airborne electromagnetic (EM) survey system |
| 01/12/2010 | US7646200 DNP apparatus |
| 01/12/2010 | US7646199 Integrated system of MRI RF loop coils plus spacing fixtures with biocontainment uses |
| 01/12/2010 | US7646198 Methods for fat signal suppression in magnetic resonance imaging |
| 01/12/2010 | US7646197 Semiconductor integrated circuit device and power consumption control device |
| 01/12/2010 | CA2465797C Objective oriented nmr logging method and apparatus |
| 01/12/2010 | CA2412081C System, method and computer product for geological surveying utilizing natural electromagnetic fields |
| 01/07/2010 | WO2010002680A1 Generating an estimation of incremental recovery from selected enhanced oil recovery process |
| 01/07/2010 | WO2010002601A2 Well log correlation |
| 01/07/2010 | WO2010001019A2 Proximity detection device for a motor vehicle |
| 01/07/2010 | WO2009120790A3 A four-terminal electric imager for resistive muds with localized current control |