Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation
Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929)
09/2003
09/09/2003CA2362473C Method and apparatus for protecting a sensor in a drill collar
09/06/2003CA2420806A1 Method and apparatus for a rigidly joined together and floating bucking and receiver coil assembly for use in airborne electromagnetic survey systems
09/04/2003WO2003073134A1 Process and device for the geophysical prospecting of a porous geological formation containing at least one electrolytic fluid
09/04/2003WO2003073133A1 Measuring appliance comprising integrated operating instructions
09/04/2003WO2003073132A1 Method and measuring device for locating enclosed objects
09/04/2003WO2003073131A1 Method and measuring appliance for locating enclosed objects
09/04/2003WO2003073130A1 Method and measuring appliance for enclosed objects
09/04/2003WO2003040760B1 Objective oriented nmr logging method and apparatus
09/04/2003US20030164789 System and method for detecting and locating underground objects
09/04/2003US20030164766 Metal detector
09/04/2003US20030164706 Method and apparatus for full offset resistivity imaging for use in boreholes
09/04/2003US20030164705 Logging sonde for electrically exploring geological formations through which a borehole passes
09/04/2003US20030164249 Boring technique using locate point measurements for boring tool depth prediction
09/03/2003EP1341005A2 Multifunctional object sensor
09/03/2003EP1340989A1 Device and method for measuring potentials in the soil
09/03/2003EP1340102A1 Method of evaluating formation properties
09/03/2003EP1340094A2 Microfluidic device with multiple microcoil nmr detectors
09/03/2003EP1315984A4 Electromagnetic wave resistivity tool with tilted antenna
09/03/2003CN2570456Y Logging instrumentation metal case insulating apparatus
09/03/2003CN1120376C Range gated strip proximity sensor
09/02/2003US6614229 System and method for monitoring a reservoir and placing a borehole using a modified tubular
08/2003
08/28/2003WO2003071311A1 System and method for detecting a concealed current carrying conductor
08/28/2003WO2003071310A1 Side-looking nmr probe for oil well logging
08/28/2003WO2003071301A1 Nmr antenna with slotted metal cover
08/28/2003WO2003035811A8 Remediation of a hydrocarbon containing formation
08/28/2003US20030163258 Method of determining resistivity and/or dielectric values of an earth formation as a function of position within the earth formation
08/28/2003US20030163037 Surgical navigation
08/28/2003US20030160707 Supervision and control of airport lighting and ground movements
08/28/2003US20030160617 Metal detector employing static discrimination
08/28/2003US20030160609 Method and facility for storing and indexing web browsing data
08/28/2003CA2476499A1 Side-looking nmr probe for oil well logging
08/27/2003EP1046066B1 Method for detecting fractures in logging signals concerning a zone in an environment
08/27/2003EP0906583B1 Magnetic reading devices
08/27/2003EP0834091B1 Spatial magnetic interrogation
08/27/2003CN2569166Y Position indicator for drilling holes of building
08/27/2003CN1119670C Transponder unit and process and device for producing tranponder unit
08/27/2003CA2419999A1 Multifunctional object sensor
08/26/2003US6611762 Method for determining parameters of earth formations surrounding a well bore
08/26/2003US6609451 Mine detector and inspection apparatus
08/26/2003CA2185029C A borehole measurement system employing electromagnetic wave propagation
08/21/2003WO2003069373A1 Airborne vector magnetic surveys
08/21/2003WO2003069320A2 Radiation and metal detection system for scanning objects
08/21/2003WO2003069270A1 Methods and apparatus for sensing angular position of a rotatable shaft
08/21/2003WO2003036043A3 Forming openings in a hydrocarbon containing formation using magnetic tracking
08/21/2003US20030156042 Underground object locating system without direction ambiguity
08/21/2003US20030155925 Apparatus and method for wellbore resistivity measurements in oil-based muds using capacitive coupling
08/21/2003US20030155924 Borehole current correction methods and apparatus
08/21/2003US20030155923 Shielding method and apparatus using flexible strip
08/21/2003US20030155921 Probehead and a sample substance for an electron spin resonance dosimeter
08/21/2003US20030155915 Method and apparatus for an NMR antenna with slotted metal cover
08/21/2003US20030155906 System and method for detecting a concealed current carrying conductor
08/21/2003CA2475804A1 Airborne vector magnetic surveys
08/20/2003EP1247119A4 Method and apparatus of electrical resistivity measurements in geological formations employing modeling data
08/20/2003EP0988181B1 Evaluation device for an object recognition device, specially for monitoring the interior of a motor vehicle, object recognition device fitted with one such evaluation device and method for controlling such a device
08/20/2003EP0885400B1 Well logging method and apparatus for nmr and resistivity measurements
08/20/2003EP0836667B1 Locating a discrete in-ground boring device
08/20/2003CN1437742A Burst QAM Downhole telemetry system
08/19/2003US6607044 Three dimensional steerable system and method for steering bit to drill borehole
08/19/2003US6606799 Electronic azimuth meter and electronic time piece having electronic azimuth meter
08/14/2003WO2003067284A1 Locating device and corresponding method
08/14/2003WO2003067018A2 Well system
08/14/2003US20030151408 Method and apparatus for NMR sensor with loop-gap resonator
08/14/2003US20030150921 Device for sensing magnetically marked paper and marked paper readable by said device
08/14/2003CA2755094A1 Well system
08/13/2003EP1335108A2 Apparatus and method for determining a drilling mode to optimize formation evaluation measurements
08/13/2003EP1333876A1 Detectable heavy duty needle
08/13/2003EP0885432B1 Curvature-reduction annealing of amorphous metal alloy ribbon
08/13/2003CN1117918C Apparatus and method for determining drilling mode to optimize formation evaluation measurements
08/12/2003US6606565 High resolution array induction tool
08/07/2003WO2003065013A1 Reservoir monitoring in a laminated reservoir using 4-d time lapse data and multicomponent induction data
08/07/2003WO2003027966A3 Security method for gaining access, access verification device, elevator
08/07/2003WO2002048743A3 A multi-frequency array induction tool
08/07/2003WO2001051880A3 An image focusing method and apparatus for wellbore resistivity imaging
08/07/2003US20030146753 Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole
08/07/2003US20030146752 Method of combining vertical and magnetic dipole induction logs for reduced shoulder and borehole effects
08/07/2003US20030146751 Borehole current correction for tilted or transverse magnetic dipoles on conductive supports
08/07/2003CA2474480A1 Reservoir monitoring in a laminated reservoir using 4-d time lapse data and multicomponent induction data
08/06/2003EP1332719A1 Method and apparatus to detect metal fragments in patients
08/06/2003EP1332382A1 Method for processing nmr data without phase-alternating-pair (pap) averaging
08/06/2003EP1332381A1 Method for 2d inversion of dual laterolog measurements
08/06/2003EP1155343A4 Electromagnetic wave resistivity tool having tilted antenna
08/06/2003EP0835463B1 Nmr system and method for formation evaluation using diffusion and relaxation log measurements
08/06/2003CN2565030Y Weather satellite positioning receiver
08/06/2003CN1434926A Propagating wave earth formation resistivity measuring arrangement
08/05/2003US6603314 Simultaneous current injection for measurement of formation resistance through casing
08/05/2003US6603313 Remote reservoir resistivity mapping
08/05/2003US6603312 Multi-frequency array induction tool
08/05/2003US6603310 Method for correcting downhole NMR data contaminated by borehole signals
08/05/2003US6603309 Active signal conditioning circuitry for well logging and monitoring while drilling nuclear magnetic resonance spectrometers
08/05/2003CA2339924C Articulated robotic scanner for mine detection
07/2003
07/31/2003WO2003062860A1 Positioning system for data acquisition
07/31/2003US20030144820 Foreign-matter detector and foreign -matter detecting system
07/31/2003US20030141869 System and methods for formation evaluation while drilling
07/31/2003CA2473915A1 Positioning system for data acquisition
07/30/2003EP1330659A1 Methods and devices for dissolving hyperpolarised solid material for nmr analyses
07/30/2003EP1330182A1 Methods and devices for polarised nmr samples
07/30/2003EP1206713A4 Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement
07/30/2003CN1433149A Detector with remote conversational equipment
07/29/2003US6600995 High resolution array induction tool
07/29/2003US6600441 Subsurface exploratory radar detector for a hand tool device
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