Patents
Patents for G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830)
11/1993
11/02/1993CA1323935C Method of analyzing exponential data
10/1993
10/28/1993WO1993021546A1 Method and apparatus for detecting concealed substances
10/12/1993US5253283 Inspection method and apparatus with single color pixel imaging
10/12/1993US5251708 Modular connector for measurement-while-drilling tool
10/10/1993CA2093582A1 Method for determining the slowing down length and the porosity of a formation surrounding a borehole
10/07/1993DE4210516A1 Controlling items of luggage for transport in aeroplane etc. - using e.g. X=ray radiation testing unit to examine shape and material of objects in luggage and triggering alarm accordingly
10/05/1993US5251240 Method and apparatus for employing resonance-produced gamma rays to detect the presence of both nitrogen and oxygen in objects that may contain explosives
10/05/1993US5250806 Stand-off compensated formation measurements apparatus and method
09/1993
09/29/1993EP0562146A1 Process and apparatus for logging a geological test drilling
09/21/1993US5247561 Luggage inspection device
09/21/1993US5247177 Detection of nitrogenous material
08/1993
08/31/1993US5241175 Method and equipment for prediction of volcanic eruption and earthquake
08/17/1993US5237594 Nuclear activation method and apparatus for detecting and quantifying earth elements
08/17/1993CA1321426C2 Method of calibrating a radiation detector in a logging apparatus
08/10/1993US5235185 Formation sigma measurement from thermal neutron detection
08/05/1993WO1993015470A1 Broadband instrument for nondestructive measurement of material properties
08/01/1993CA2088415A1 Temperature corrections of measurements made with scintillation detectors
07/1993
07/28/1993EP0446333B1 System for detecting substances and particularly explosives, by neutronic irradiation from the latter
07/27/1993US5231652 Arrangement for measuring the pulse transmission spectrum of x-ray quanta
07/22/1993WO1993014419A1 Improvements in and relating to material identification using x-rays
07/22/1993DE4235941A1 Monitoring system for objects on conveyor - comprises source of penetrating illumination diverted to gap in conveyor, radiation detector and display
07/21/1993EP0552073A2 Formation sigma measurement from thermal neutron detection
07/13/1993US5228068 Device and method for automated determination and analysis of bone density and vertebral morphology
07/13/1993US5227972 Matched filter data smoothing system
07/06/1993US5225674 Method of delineating naturally fractured intervals in subterranean formations
06/1993
06/29/1993US5224144 Reduced mass flying spot scanner having arcuate scanning lines
06/09/1993EP0545784A2 Apparatus and method for detecting subterranean leakage from a large storage vessel
06/01/1993US5216242 Apparatus for nuclear logging employing sub wall mounted detectors and modular connector assemblies
05/1993
05/26/1993EP0542911A1 Device and method for inspection of baggage and other objects
05/25/1993US5214281 Method for locating sub-terranean geological aggregate deposits
05/19/1993DE4137510A1 Scanner for investigating test object for unauthorised contents, e.g. weapons - has source of fan-shaped beam on opposite side of conveyor from detector row with signal processor and visual display
05/19/1993DE4137372A1 Scanner e.g. for three=dimensional detection of unauthorised objects, e.g. weapons - has rows of detectors of penetrating radiation scattered by object, distribution processor and display
05/19/1993DE4137055A1 Scanner e.g. for detecting weapons, explosives etc. using X=rays - has parallel amplifiers with different gains for each penetrating radiation detector element signal
05/19/1993DE4137054A1 Scanner for investigating test objects, e.g for detecting weapons, explosives - has parallel rows of detector elements of different sizes for penetrating radiation, signal processor and display
04/1993
04/28/1993EP0538707A1 X-ray scanning system
04/27/1993US5206505 Apparatus and method for retrieving and evaluating a slim hole drilled core sample of a subsurface formation
04/27/1993US5205167 Method and apparatus for locating stratification in production fluid in a well
04/20/1993US5204529 Method and apparatus for measuring borehole fluid density, formation density and/or borehole diameter using back-scattered gamma radiation
04/20/1993US5204527 Neutron particle energy detector
04/13/1993US5202932 A method of inspecting an object
04/06/1993US5200626 Hidden explosives detector employing pulsed neutron and x-ray interrogation
03/1993
03/31/1993EP0534025A1 Method and use of apparatus for prediction of volcanic eruptions and earthquakes
03/24/1993EP0533316A1 X-ray detector and examination system
03/24/1993EP0532637A1 X-ray image generating apparatus and associated method.
03/24/1993CN1020169C Digital spectrum-stabilizing device using natural low-energy peak as reference source
03/23/1993US5196698 Oil well bore holes, lithium iodide, or lithium-doped glass
03/16/1993CA1314633C Detection system for explosives
03/02/1993US5191517 Electrostatic particle accelerator having linear axial and radial fields
03/02/1993US5191210 Produced steam survey device and method
02/1993
02/17/1993EP0527675A2 Method for checking the operation of and for stabilizing a neutron detector in a logging sonde and such detector
02/16/1993CA1313713C Process and apparatus for the detection of substances and in particular explosives by neutron irradiation thereof
02/09/1993US5184692 Retrievable radiation source carrier
02/02/1993US5182955 Borehole formation model for testing nuclear logging instruments
01/1993
01/27/1993EP0521991A4 Hidden explosives detector employing pulsed neutron and x-ray interrogation
01/26/1993US5182764 Automatic concealed object detection system having a pre-scan stage
01/19/1993US5181234 X-ray backscatter detection system
01/19/1993US5180917 Self-calibrating proportional counter
01/13/1993EP0521991A1 Hidden explosives detector employing pulsed neutron and x-ray interrogation
01/12/1993US5179581 Automatic threat detection based on illumination by penetrating radiant energy
01/05/1993US5177360 Devices and method to confirm the authenticity of art objects
12/1992
12/29/1992US5175756 Device for detecting nitrogenous, phosphoric, chloric and oxygenous substances
12/29/1992US5175429 Stand-off compensation for nuclear MWD measurement
12/15/1992US5171986 Bismuth germanate
11/1992
11/17/1992US5164591 Radioactive tracer well logging utilizing bromine
11/17/1992US5164590 Method for evaluating core samples from x-ray energy attenuation measurements
11/10/1992US5162096 Composite cavity structure for an explosive detection system
10/1992
10/27/1992US5159617 Explosive detection method and apparatus using selective gamma ray resonance absorption
10/25/1992CA2066055A1 Inspection technique
10/13/1992US5155356 Apparatus and method for detecting subterranean leakage from a large storage vessel
10/13/1992CA1308819C Neutron scatter method and apparatus for the noninvasive interrogation of objects
10/06/1992US5153439 Method for detecting explosives in an object
10/06/1992US5153431 Well logging radioactive detector assembly
10/06/1992CA2046738A1 Well logging radioactive detector assembly
09/1992
09/23/1992EP0505261A2 Stand-off compensated formation measurements apparatus and method
09/23/1992EP0505260A2 Retrievable radiation source carrier
09/23/1992CN1064748A Portable spectrum stabulizer of x-ray fluorometer with isotope as its source
09/15/1992US5148455 Bone densitometer
09/01/1992US5144140 Detection of explosives
09/01/1992US5144126 Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies
08/1992
08/19/1992CN2113499U Single microcomputer well measuring ground apparatus by radioactivity
08/12/1992EP0425662A4 Nuclear resonances in activation analysis, and particularly, its application to detection of nitrogen based explosives in luggage
08/04/1992US5135706 Device for measuring radioactive contamination on large pieces
07/1992
07/28/1992US5134285 Formation density logging mwd apparatus
07/23/1992WO1992012415A1 Contraband detection apparatus and method
07/07/1992US5128541 Thermal decay time logging method
07/07/1992CA1304833C Method and apparatus for subsurface formation evaluation
07/01/1992EP0491977A1 Testing system for vehicle loads
07/01/1992CN1017281B Methods and apparatus for borehole gamma-ray spectroscopy and like measurements
06/1992
06/23/1992US5125015 Method and system for determining a lower-bound density of a body
06/23/1992US5124554 Explosives detector
06/16/1992US5122662 Field magnet; ferrite
06/09/1992US5120963 Radiation detector assembly for formation logging apparatus
06/09/1992US5120955 Logging method and apparatus for correcting natural gamma ray measurements for borehole fluid effects by calculating a borehole correction factor and applying the correction factor to calculated elemental yields
06/03/1992EP0396618A4 Neutron scatter method and apparatus for the noninvasive interrogation of objects
06/02/1992CA1302591C Explosive detection system
06/02/1992CA1302590C Arrangement for examining a body comprising a radiation source
05/1992
05/20/1992EP0486382A2 Analysis of nuclear data for determining characteristics of earth formations traversed by a borehole
05/20/1992EP0485872A2 Detector for nitrogen-, phosphor-, chlorine-, and/or oxygen-containing substances
05/19/1992US5115459 Explosives detection using resonance fluorescence of bremsstrahlung radiation
05/19/1992US5114662 Thermal neutrons react to produce gamma rays; forming three-dimensional profile; luggage
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