Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
---|
11/02/2004 | US6810984 Occupant judging apparatus |
11/02/2004 | CA2321242C Shield apparatus for use in conjunction with a well tool and method for shielding a coil |
11/02/2004 | CA2283996C Estimating permeability |
10/28/2004 | WO2004092633A2 Spoolable composite coiled tubing connector |
10/28/2004 | WO2003098548A3 Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging |
10/28/2004 | US20040212378 Enhanced subsurface membrane interface probe (MIP) |
10/28/2004 | US20040211569 Installation and use of removable heaters in a hydrocarbon containing formation |
10/28/2004 | US20040211443 Magnetic plug detector |
10/28/2004 | DE10301951A9 Verfahren zur Bodenkompensation A method for ground compensation |
10/28/2004 | CA2756830A1 Method for detection and compensation of eddy currents |
10/27/2004 | EP1470406A1 Reservoir monitoring in a laminated reservoir using 4-d time lapse data and multicomponent induction data |
10/27/2004 | CN2651763Y Bipolar pulse current excited resistor chromatographic image data collecting system |
10/26/2004 | US6810331 Fixed-depth of investigation log for multi-spacing multi-frequency LWD resistivity tools |
10/26/2004 | US6809521 Apparatus and method for wellbore resistivity measurements in oil-based muds using capacitive coupling |
10/26/2004 | US6809520 Compact, autonomous robotic detection and identification sensor system of unexploded ordnance site remediation |
10/26/2004 | US6808028 Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore |
10/26/2004 | CA2244921C Golf ball with a tag, and detecting system |
10/21/2004 | WO2004090557A2 Abnormal pressure determination using nuclear magnetic resonance logging |
10/21/2004 | WO2004070422A3 Methods of processing magnetotelluric signals |
10/21/2004 | US20040210392 [system and method for visualizing multi-scale data alongside a 3d trajectory] |
10/21/2004 | US20040207539 Self-contained downhole sensor and method of placing and interrogating same |
10/21/2004 | US20040207538 Burst QAM downhole telemetry system |
10/21/2004 | US20040207403 Method and apparatus for accurately measuring properties of a formation |
10/21/2004 | US20040207402 Method and apparatus to improve an mri image |
10/20/2004 | CN2650152Y Network dynamic charging potential monitoring device |
10/20/2004 | CN1172197C Microearth current deteciting instrument |
10/19/2004 | US6806714 Detector of near-infrared light |
10/19/2004 | CA2415970C Electromagnetic resistivity instrument having look ahead capability |
10/19/2004 | CA2305793C Search device for locating buried persons |
10/19/2004 | CA2179993C Metal detection system |
10/14/2004 | US20040204857 Generating and displaying a virtual core and a virtual plug associated with a selected piece of the virtual core |
10/14/2004 | US20040204855 System and method for visualizing data in a three-dimensional scene |
10/14/2004 | US20040201384 Active tag for object sensing |
10/14/2004 | US20040201380 Method and apparatus for rapid tomographic measurements of the electrical conductivity distribution of a sample |
10/14/2004 | US20040201370 Method and measuring device for locating enclosed objects |
10/13/2004 | EP1467218A2 Ultra sensitive magnetic field sensors |
10/13/2004 | CN2648459Y Well tester by radar for moisture rate of petroleum |
10/13/2004 | CN1536373A Network charging potential monitoring method |
10/12/2004 | US6804625 Subsurface modeling method |
10/12/2004 | US6803761 Temperature compensated magnetic circuit |
10/12/2004 | CA2248253C System and method for performing inversion on lwd resistivity logs with enhanced resolution |
10/11/2004 | CA2463267A1 System and method for visualizing data in a three-dimensional scene |
10/07/2004 | WO2004086095A1 Metal detector |
10/07/2004 | WO2004086090A2 A method for monitoring a high-resistivity reservoir rock formation |
10/07/2004 | WO2004085990A2 Obtaining multi-dimensional nuclear spin proton density distributions |
10/07/2004 | US20040199318 Multiple sensor vehicle occupant detection for air bag deployment control |
10/07/2004 | US20040196150 Multiple sensor vehicle occupant detection for air bag deployment control |
10/07/2004 | US20040196047 Method and apparatus for a multi-component induction instrument measuring system for geosteering and formation resistivity data interpretation in horizontal, vertical and deviated wells |
10/07/2004 | US20040196046 Downhole measurement of rock properties |
10/07/2004 | US20040196045 Systems and methods useful for detecting presence and / or location of various materials |
10/07/2004 | US20040196044 Flux plane locating in an underground drilling system |
10/07/2004 | US20040196038 Downhole NMR processing |
10/07/2004 | DE202004011921U1 Metal detector with a narrow housing, has send and receive coils coupled together in the housing |
10/07/2004 | CA2520844A1 A method for monitoring a high-resistivity reservoir rock formation |
10/07/2004 | CA2520695A1 Obtaining multi-dimensional nuclear spin proton density distributions |
10/06/2004 | EP1463962A2 Detectable components and detection apparatus for detecting such components |
10/06/2004 | EP1301800A4 Occupant sensor |
10/06/2004 | EP1266244B1 Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets |
10/06/2004 | EP1149369A4 Passenger detection system and method |
10/06/2004 | EP1112502A4 Occupant sensor |
10/06/2004 | EP1040371B8 Airborne electromagnetic system |
10/06/2004 | CN1534311A Coin sensor |
10/06/2004 | CN1170171C Explosion-proof geologic radar collection system |
10/05/2004 | US6801039 Apparatus and method for measuring mud resistivity using a defocused electrode system |
10/05/2004 | CA2359371C Electromagnetic wave resistivity tool having tilted antenna |
09/30/2004 | WO2004083790A1 A device for monitoring of oil-water interface |
09/30/2004 | WO2004070423A9 Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in nmr logs |
09/30/2004 | US20040189322 Cable detection apparatus and method |
09/30/2004 | US20040189305 Multi-frequency boring tool locating system and method |
09/30/2004 | US20040189296 Method for obtaining multi-dimensional proton density distributions from a system of nuclear spins |
09/30/2004 | US20040189293 Screening method and apparatus |
09/30/2004 | US20040188185 Security method for gaining access, access verification device, and elevator |
09/30/2004 | US20040188140 In-situ heavy-oil reservoir evaluation with artificial temperature elevation |
09/30/2004 | DE202004011073U1 Conveyor belt metal detector for dielectric material recycling has electromagnetic field transmit and receive coils inside metal screening housing |
09/30/2004 | DE19817008B4 Verfahren und Anordnung zur Analyse von Verkehr sowie ein Sensor hierfür Method and apparatus for analysis of traffic and a sensor therefor |
09/30/2004 | DE10313766A1 Handgeführtes Arbeitsgerät A hand-operated device |
09/30/2004 | DE10104924B4 Mobile Messvorrichtung und Verfahren zur ortsaufgelösten Bestimmung magnetischer und/oder elektrischer Parameter von in Flüssigkeiten oder festen Stoffen eingebetteten Körpern Mobile measuring device and method for locally resolved determination of magnetic and / or electrical parameters of liquids or solid substances embedded in bodies |
09/29/2004 | EP1461643A1 Nmr apparatus for oil well logging of large and small diameter wells |
09/29/2004 | CN1532561A Three-dimensional differential electric detection technology |
09/29/2004 | CN1532560A Natural potential multiple polar loop gradient observation method |
09/29/2004 | CN1168999C A method and apparatusfor determining the resistivity of a formation through which a cased well passes |
09/29/2004 | CN1168998C Method and apparatus for determing the resistivity of a formation through which a cased well passes |
09/29/2004 | CN1168997C Remote reservoir resistivity mapping |
09/28/2004 | US6798208 System and method for locating a fracture in an earth formation |
09/28/2004 | CA2362542C Directional resistivity measurements for azimuthal proximity detection of bed boundaries |
09/23/2004 | WO2004081609A1 Object detection device |
09/23/2004 | WO2004081608A2 Apparatus for detecting the presence of electrically-conductive debris |
09/23/2004 | WO2004081335A2 A motor pulse controller |
09/23/2004 | US20040186665 Measurement device and support for use in a well |
09/23/2004 | US20040183669 Detachable entrance and exit gate with a combined commodity burglarproofing and small arms detecting system |
09/23/2004 | US20040183651 Detector and lock controller using same |
09/23/2004 | US20040183538 Structure for electromagnetic induction well logging apparatus |
09/23/2004 | US20040183537 Metal detector having a plurality of phase delay discrimination regions with corresponding selectable exception spaces therein |
09/23/2004 | US20040183533 High-resolution high-speed NMR well logging device |
09/23/2004 | DE20307931U1 Sensor head for a capacitive approach sensor, especially for edge-accurate detection of objects, has a layer type construction with electrically isolated sensor, earth and compensation electrodes |
09/22/2004 | EP1460455A1 Method and apparatus for determining the nature of subterranean reservoirs |
09/22/2004 | EP1397707A4 Rapid nmr multi-frequency t1 and t2 acquisition for earth formations evaluation with mwd or wireline tools |
09/22/2004 | EP1393096A4 Magnetic resonance fluid analysis apparatus and method |
09/21/2004 | US6795774 Method for asymptotic dipping correction |
09/21/2004 | US6794875 Induction well logging apparatus and method |