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)
05/2003
05/15/2003US20030093223 2-D inversion of multi-component induction logging data to resolve anisotropic resistivity structure
05/15/2003US20030090390 Method and system for performing operations and for improving production in wells
05/15/2003US20030090376 Wet seat protection for air bag control occupant detection
05/15/2003US20030090270 Methods and apparatus for measuring electrical properties of a ground using a graphite electrode
05/15/2003US20030090269 Apparatus accurately measuring properties of a formation
05/15/2003US20030089494 3d Borehole radar antenna and algorithm, method and apparatus for subsurface surveys
05/15/2003CA2465809A1 Method and apparatus for subterranean formation flow imaging
05/15/2003CA2431876A1 Inductive sensory apparatus
05/14/2003EP1309888A1 Apparatus and method for synchronized formation measurement
05/14/2003EP1309887A1 Method and apparatus for determining the nature of subterranean reservoirs
05/14/2003EP0939911B1 Magnetic interrogation techniques
05/14/2003EP0923746B1 Method for detecting, identifying and following optically invisible objects
05/14/2003EP0892908B1 Mutual induction correction
05/14/2003CN2550775Y Super low frequency geological remote sensing detector
05/14/2003CN2550774Y Buried wiring detector
05/14/2003CN1417594A Soil layer scour monitoring method and system
05/14/2003CN1417578A Flow speed wave generating method
05/13/2003US6563314 Well logging method and apparatus for determining the nuclear magnetic resonance longitudinal magnetization decay of formations
05/13/2003US6563231 Occupant sensor
05/13/2003CA2130282C Method and apparatus for communicating data in a wellbore and for detecting the influx of gas
05/08/2003WO2003038730A1 Soil and topography surveying
05/08/2003WO2003038470A1 Dual-frequency microwave sensor
05/08/2003US20030085707 Directional electromagnetic measurements insensitive to dip and anisotropy
05/08/2003US20030085702 Nuclear magnetic resonance logging based on steady-state free precession
05/08/2003CA2465537A1 Soil and topography surveying
05/07/2003EP1308753A2 Method and apparatus for resolving the position and identity of buried conductive bodies
05/07/2003EP1308350A2 Wet seat and occupant detection system for protection of an air bag control
05/07/2003EP1016051B1 Metering circuit
05/06/2003US6559646 Boring tool locating using sensing at spaced apart reference path locations
05/06/2003US6559645 Detector apparatus and method
05/06/2003US6559640 NMR apparatus and method utilizing pulsed static magnetic fields
05/06/2003US6559639 Estimating permeability without determinating a distribution of relaxation times
05/06/2003US6557794 Coil shielding method for selective attenuation of an electromagnetic energy field component
05/06/2003CA2234202C Method and apparatus for detecting, locating and resolving buried pipelines, cased wells and other ferrous objects
05/02/2003EP1305653A1 Nuclear magnetic resonance tool with active rf spoiler antenna
05/02/2003EP1305546A1 Device for detecting and monitoring underground works
05/02/2003EP0943108B1 Process and device for producing electronic anti-theft elements
05/02/2003EP0783673B1 Variable frequency microwave tropopause sensor system and method
05/02/2003CA2404380A1 Wet seat protection for air bag control occupant detection
05/01/2003WO2003036327A1 Microwave sensor
05/01/2003WO2003036326A1 Microwave sensor
05/01/2003WO2003036043A2 Forming openings in a hydrocarbon containing formation using magnetic tracking
05/01/2003WO2003036041A2 In situ recovery from a hydrocarbon containing formation using barriers
05/01/2003WO2003036040A2 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
05/01/2003WO2003036039A1 In situ production of a blending agent from a hydrocarbon containing formation
05/01/2003WO2003036038A2 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
05/01/2003WO2003036037A2 Installation and use of removable heaters in a hydrocarbon containing formation
05/01/2003WO2003036036A1 In situ recovery from lean and rich zones in a hydrocarbon containing formation
05/01/2003WO2003036035A2 In situ upgrading of coal
05/01/2003WO2003036034A1 Coductor-in-conduit heat sources with an electrically conductive material in the overburden
05/01/2003WO2003036033A1 Simulation of in situ recovery from a hydrocarbon containing formation
05/01/2003WO2003036032A2 In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
05/01/2003WO2003036031A2 Seismic monitoring of in situ conversion in a hydrocarbon containing formation
05/01/2003WO2003036030A2 In situ thermal processing and upgrading of produced hydrocarbons
05/01/2003WO2003036024A2 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening
05/01/2003WO2003035811A1 Remediation of a hydrocarbon containing formation
05/01/2003WO2003035801A2 Producing hydrocarbons and non-hydrocarbon containing materials from a hydrocarbon containing formation
05/01/2003US20030083819 Soil and topography surveying
05/01/2003US20030080868 Wide area metal detection (WAMD) system and method for security screening crowds
05/01/2003US20030080755 Proximity sensor and object detecting device
05/01/2003US20030080744 Segmented field dielectrometer
05/01/2003CA2463423A1 Upgrading and mining of coal
05/01/2003CA2463109A1 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
05/01/2003CA2462971A1 Installation and use of removable heaters in a hydrocarbon containing formation
04/2003
04/29/2003US6556927 Picostrain engineering data acquisition system
04/29/2003US6556137 Passenger detecting system and air bag apparatus using the same
04/29/2003US6556136 Method and apparatus for use in location of conductors
04/29/2003US6556016 Induction method for determining dip angle in subterranean earth formations
04/29/2003US6556015 Method and system for determining formation anisotropic resistivity with reduced borehole effects from tilted or transverse magnetic dipoles
04/29/2003US6556014 Device and method for measurement by guided waves on a metal string in a well
04/24/2003WO2003034096A1 Signal generation apparatus and method for seafloor electromagnetic exploration
04/24/2003WO2003034095A1 Metal detection apparatus
04/24/2003WO2003034094A1 Buried structure detection device
04/24/2003WO2003032816A2 A method and apparatus to improve an mri image
04/24/2003WO2002056444B1 Powerful bonded nonconducting permanent magnet for downhole use
04/24/2003US20030076254 Method and apparatus for identifying buried objects using ground penetrating radar
04/24/2003US20030076107 Method and apparatus for a multi-component induction instrument measuring system for geosteering and formation resistivity data interpretation in horizontal, vertical and deviated wells
04/24/2003US20030076106 Orientation sensor arrangement and method for use in a system for monitoring the orientation of an underground boring tool
04/24/2003US20030075361 Well system
04/24/2003US20030075360 Includes miscible combination of oleaginous fluid, an emulsifier capable of forming a microemulsion, an emulsifier capable of forming an invert emulsion, and an electrolytic salt; for electrically logging subterranean wells
04/24/2003US20030075327 Coal bed methane borehole pipe liner perforation system
04/24/2003US20030074812 Subsurface imaging system and method
04/23/2003EP1303772A2 Method and apparatus for producing an electrical property image using a charge correlation matrix
04/23/2003EP1303771A1 Method for determining the position of a sensor element
04/23/2003EP1118024B1 Nmr logging assembly
04/23/2003CN1413285A Three dimensional steerable system
04/22/2003US6553326 Errors in systems using magnetic fields to locate objects
04/22/2003US6553314 Method for determination of apparent resistivities of anisotropic reservoirs
04/22/2003US6552548 Detecting underground objects
04/22/2003CA2359599A1 Positioning system for ground penetrating radar instruments
04/22/2003CA2237972C Apparatus and process for clearance of unexploded ordnance
04/22/2003CA2117291C Nuclear magnetic resonance detection of geologic structures
04/17/2003WO2003032015A1 Airborne geophysical measurements
04/17/2003WO2003032014A1 Use of amplitude and/or phase modulated nmr pulse sequences in well logging
04/17/2003WO2003032013A1 Nuclear magnetic resonance pulse sequence for optimizing instrument electrical power usage
04/17/2003WO2003032011A2 System and method for scanning individuals for illicit objects
04/17/2003WO2002050571A3 Processing well logging data with neural network
04/17/2003US20030071738 Seat occupancy sensor incorporated into a substrate and method of incorporating a wiring pattern into a substrate
04/17/2003US20030071708 Inductive proximity switch
04/17/2003US20030071626 Method and system for determining formation anisotropic resistivity with reduced borehole effects from tilted or transverse magnetic dipoles
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