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)
06/2003
06/25/2003EP1321779A2 Locating device
06/25/2003EP1321778A1 Method of measuring in-medium dielectric constant in electromagnetic prober, and electromagnetic prober
06/25/2003EP1320769A1 High-resolution high-speed nmr well logging device
06/25/2003EP1040369B1 Magnetic object tracking based on direct observation of magnetic sensor measurements
06/25/2003CN1426130A Satellite carried rotary scanning interference type imaging microwave radiation meter
06/24/2003USRE38148 Prodder with force feedback
06/24/2003US6584408 Subsurface formation parameters from tri-axial measurements
06/24/2003US6584407 Formation resistivity measurement method that eliminates effects of lateral tool motion
06/24/2003US6583625 Metal detector and method in which mineralization effects are eliminated
06/24/2003US6583621 Method and apparatus for nuclear magnetic resonance measuring while drilling
06/24/2003CA2097430C System for logging a well during the drilling thereof
06/19/2003WO2003050912A1 Apparatus and method for measuring induced resistivity of a material within a confined space as in a down-hole hydrocarbon production well using separate lens segments around the transmitter
06/19/2003WO2003050471A1 Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materials
06/19/2003WO2003050376A2 Burst qam downhole telemetry system
06/19/2003US20030112170 Positioning system for ground penetrating radar instruments
06/19/2003CA2469168A1 Burst qam downhole telemetry system
06/18/2003EP1163540A4 Multiple spacing resistivity measurements with receiver arrays
06/18/2003CN1111749C Water discovery method
06/18/2003CA2407145A1 Susceptometers for foreign body detection
06/17/2003US6580273 Side-looking NMR probe for oil well logging
06/17/2003US6580272 Nuclear magnetic resonance logging based on steady-state free precession
06/17/2003US6580267 Method of extending the utility of an integral driving-sensing pot-core half eddy current probe
06/12/2003WO2003048813A1 Method for determining anisotropic resistivity and dip angle in an earth formation
06/12/2003WO2003048812A1 Electromagnetic surveying for hydrocarbon reservoirs
06/12/2003WO2003048811A1 Nmr apparatus for oil well logging of large and small diameter wells
06/12/2003WO2003048808A2 Wide area metal detection (wamd) system and method for security screening crowds
06/12/2003WO2003048789A2 Electrodynamic sensors and applications thereof
06/12/2003US20030107511 Radar plow drillstring steering
06/12/2003US20030107378 High resolution array induction tool
06/12/2003US20030107377 Metal detector
06/12/2003US20030107374 Objective oriented methods for NMR log acquisitions for estimating earth formation and fluid properties
06/12/2003US20030107367 Measuring device for detecting a body moving in relation to a tubular container
06/12/2003CA2468896A1 Electromagnetic surveying for hydrocarbon reservoirs
06/12/2003CA2468865A1 Method for determining anisotropic resistivity and dip angle in an earth formation
06/12/2003CA2468735A1 Nmr apparatus for oil well logging of large and small diameter wells
06/11/2003EP1175629B1 Method for determining the resistivity of a formation through which a cased well passes
06/11/2003EP1173782B1 A method and apparatus for determining the resistivity of a formation through which a cased well passes
06/10/2003US6577144 Electrical voltages and resistances measured to inspect metallic cased wells and pipelines
06/10/2003US6577142 Process for the capacitive object detection in the case of vehicles
06/10/2003US6577129 Well logging system for determining directional resistivity using multiple transmitter-receiver groups focused with magnetic reluctance material
06/10/2003US6577125 Temperature compensated magnetic field apparatus for NMR measurements
06/10/2003US6577023 Occupant detection system
06/05/2003WO2003046612A1 Metal detector
06/05/2003WO2003046607A1 Method for forming the image in millimetre and sub-millimetre wave band (variants), system for forming the image in millimetre and sub-millimeter wave band (variants), diffuser light (variants) and transceiver (variants)
06/05/2003US20030105600 Apparatus and method for detecting contamination of object by a metal
06/05/2003US20030105591 Method for determining anisotropic resistivity and dip angle in an earth formation
06/05/2003US20030105590 Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model
06/05/2003US20030102995 Drillstring radar
06/05/2003US20030102868 Boring tool tracking/guiding system and method with unconstrained target location geometry
06/04/2003EP1315984A1 Electromagnetic wave resistivity tool with tilted antenna
06/04/2003EP0876621B1 Underground pipe locating system
06/04/2003EP0846310B1 Method and device for measuring the magnetic properties of sheet materials
06/03/2003US6574565 System and method for enhanced hydrocarbon recovery
06/03/2003US6574562 Determination of formation anisotropy using multi-frequency processing of induction measurements with transverse induction coils
06/03/2003US6573840 Supervision and control of airport lighting and ground movements
06/03/2003US6573722 Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole
06/03/2003US6573721 Time domain electromagnetic analysis and inspection system for conduits
06/03/2003US6573716 Method and apparatus for tuning an NMR coil
06/03/2003US6573715 Porosity and permeability measurement of underground formations containing crude oil, using EPR response data
05/2003
05/30/2003WO2003044565A2 Method for metal object identification using a three-dimensional steerable magnetic field antenna
05/30/2003WO2003043786A1 Hand-held tool with a removable object sensor
05/30/2003CA2462233A1 Hand-held tool with a removable object sensor
05/29/2003US20030100994 High resolution array induction tool
05/28/2003EP1314393A1 Magnet device and magnetic resonance imaging apparatus comprising it
05/28/2003EP1314053A2 Multi-axis locator for detection of buried targets
05/28/2003EP1313978A1 Locatable magnetized polyethylene gas pipe distribution system
05/28/2003CN1420366A Underground facilities tracker system
05/28/2003CN1109901C Borehole logging system
05/27/2003US6570384 Location of a cable in a dc connection in a bipolar 12-pulse system for transmission of electrical energy by means of high-voltage direct current
05/27/2003US6570382 Nuclear magnetic resonance method and logging apparatus
05/27/2003US6570381 Nuclear magnetic resonance well logging method and apparatus
05/27/2003US6570377 Systems and method for determining proximity sensor characteristics
05/27/2003CA2245740C Sensor for remote detection of objects
05/27/2003CA2191148C Apparatus for measuring formation resistivity through a conductive casing having a coaxial tubing inserted therein
05/22/2003WO2003042719A1 A borehole compensation system and method for a resistivity logging tool
05/22/2003WO2003042718A1 Apparatus and method for locating subsurface objects in conductive soils by induction measurements
05/22/2003US20030094952 System, method and computer product geological surveying utilizing natural electromagnetic fields
05/22/2003US20030094948 RF coil and magnetic resonance imaging apparatus
05/22/2003US20030094946 Method and system for using conventional core data to calibrate bound water volumes derived from NMR logs
05/22/2003US20030094310 Three dimensional steerable system and method for steering bit to drill borehole
05/22/2003US20030094280 Borehole compensation system and method for a resistivity logging tool
05/22/2003CA2463883A1 A borehole compensation system and method for a resistivity logging tool
05/21/2003EP1312934A2 Magnetometer probe
05/21/2003EP1311877A1 Side-looking nmr probe for oil well logging
05/21/2003EP1311876A1 An nmr probe and method using powdered soft magnetic material
05/21/2003EP1219030B1 Proximity sensor and a method for operating same
05/21/2003EP1188073B1 A method and apparatus for determining the resistivity of a formation surrounding a cased well
05/21/2003CN1419655A Source waveforms for electroseismic exploration
05/21/2003CN1109253C Determining electrical conductvity of an earth layer
05/20/2003US6567036 Search device for locating buried persons
05/20/2003US6566881 Shielding method and apparatus using transverse slots
05/20/2003US6566874 Detecting tool motion effects on nuclear magnetic resonance measurements
05/20/2003CA2273554C Method and apparatus for controlling the effect of contact impedence on a galvanic tool in a logging-while-drilling application
05/20/2003CA2213641C Electrical power cable underground-laying depth measuring method
05/15/2003WO2003063986A1 Inductive sensory apparatus
05/15/2003WO2003040761A1 Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals
05/15/2003WO2003040760A1 Objective oriented nmr logging method and apparatus
05/15/2003WO2003040743A1 Method and apparatus for subterranean formation flow imaging
05/15/2003WO2003040513A2 In situ thermal processing of a hydrocarbon containing formation
05/15/2003WO2002095447A3 Nmr apparatus and method utilizing pulsed static magnetic fields
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