Patents
Patents for G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830)
01/1997
01/21/1997US5596191 Method and apparatus for epithermal neutron porosity measurement corrected for tool standoff and formation lithology
01/09/1997WO1997001089A1 Portable, digital x-ray apparatus for producing, storing, and displaying electronic radioscopic images
01/07/1997US5591967 Method and apparatus for determining neutron detector operability using gamma ray sources
12/1996
12/19/1996WO1996039936A1 Device and method for analysis of bone morphology
12/17/1996US5585628 Method of surface surveying for radioactive sources
12/11/1996EP0699374A4 Multi energy system for x-ray imaging applications
12/03/1996US5581079 Epithermal neutron detector having enhanced efficiency
11/1996
11/26/1996US5578820 Method for determining cement thickness in a well annulus
11/19/1996US5577089 Method of evaluating a human spine
11/14/1996WO1996035964A1 Gamma ray detection and measurement device
11/06/1996EP0741230A2 Method of detecting the location of well treating fluid
11/05/1996US5572021 Methods of detecting the locations of well treating fluids
10/1996
10/29/1996US5569914 Method for measuring height of fill in a production tubing/casing annulus
09/1996
09/19/1996WO1996015720A3 Bone densitometer with improved point characterization
09/17/1996US5557108 For identifying substances disposed behind a barrier
08/1996
08/21/1996EP0476070B1 Multi-sensor explosive detection system
08/20/1996US5548116 Long life oil well logging assembly
08/20/1996CA2089500C Method and apparatus for measuring steam density by neutron method
08/15/1996WO1996024863A1 X-ray inspection system
08/15/1996CA2212514A1 X-ray inspection system
08/08/1996WO1996024048A1 Contraband detection apparatus and method
07/1996
07/23/1996US5539788 Prompt gamma neutron activation analysis system
07/23/1996US5539225 Accelerator-based methods and apparatus for measurement-while-drilling
07/17/1996CN2231422Y Self scanning large body radiation detecting equipment
07/17/1996CN1127060A Nulti energy system for X-ray imaging applications
07/16/1996US5536938 Method for converting signals
07/02/1996US5533084 Bone densitometer with improved vertebral characterization
07/02/1996US5532482 Method and apparatus for well logging using an accelerator neutron source
07/02/1996US5532481 System for measuring epithermal neutron porosity having reduced borehole effect
06/1996
06/26/1996EP0542911A4 Device and method for inspection of baggage and other objects
06/25/1996US5530243 For measuring density of an earth formation
06/18/1996US5528556 Combination well logging device
06/18/1996US5528495 Cadmium zinc telluride borehole detector
06/18/1996US5528030 System for determining gas saturation of a formation and a wellbore through casing
06/18/1996US5528029 Logging method and apparatus using a pad to measure density
06/11/1996US5525797 Formation density tool for use in cased and open holes
06/04/1996US5524133 Material identification using x-rays
06/04/1996US5523556 Apparatus and method of using PMT having wrap-around circuitry
05/1996
05/30/1996WO1996015720A2 Bone densitometer with improved point characterization
05/30/1996CA2201889A1 Bone densitometer with improved point characterization
05/29/1996EP0714037A2 Arrangement for the measurement of the momentum transfer spectrum of elastically scattered X-ray quanta
05/28/1996US5521378 Method and apparatus for gamma ray logging of underground formations
05/21/1996CA2063218C Stand-off compensated formation measurements apparatus and method
05/15/1996EP0711419A1 Method and device for carrying out detection of at least one non-visible object containing a given material
05/09/1996WO1996013839A1 Inspection system and spatial resolution technique for detecting explosives using combined neutron interrogation and x-ray imaging
05/09/1996CA2204010A1 Inspection system and spatial resolution technique for detecting explosives using combined neutron interrogation and x-ray imaging
05/02/1996WO1996013017A1 X-ray computed tomography (ct) system for detecting thin objects
05/02/1996WO1996012977A1 Formation density tool for use in cased and open holes
05/02/1996CA2203270A1 Formation density tool for use in cased and open holes
05/01/1996EP0709497A1 Method of growing lutetium oxyorthosilicate crystals and apparatus including lutetium oxyorthosilicate crystal scintillators
04/1996
04/18/1996CA2155558A1 Apparatus for measuring radon concentration in water, and associated measuring methods
04/16/1996US5509042 Automated determination and analysis of bone morphology
04/16/1996US5508514 Well logging device with a pad
04/15/1996CA2159943A1 Method for optimizing energy spectrum data from scintillation type radiation detectors
04/09/1996US5506769 Method for enhancing vertical resolution of nuclear well logging instruments
04/09/1996US5506406 Method and apparatus for determining the concentration of a heavy element in a rock face
03/1996
03/21/1996WO1996008733A1 Accelerator-base methods and apparatus for measurement-while-drilling
03/20/1996EP0701703A1 Method and device for identifying designated materials in the composition of an object
03/13/1996EP0701146A2 Gamma ray scintillation detector apparatus and method for reducing shock-induced noise
03/06/1996EP0699374A1 Multi energy system for x-ray imaging applications
02/1996
02/27/1996US5495106 Detection of subsurface fissionable nuclear contamination through the application of photonuclear techniques
02/21/1996CN1117112A A combination well logging device
02/20/1996US5493596 High-energy X-ray inspection system
02/06/1996US5490218 Device and method for inspection of baggage and other objects
02/06/1996US5490196 Multi energy system for x-ray imaging applications
02/06/1996US5489779 Method for optimizing energy spectrum data from scintillation type radiation detectors
01/1996
01/23/1996US5486695 Standoff compensation for nuclear logging while drilling systems
01/17/1996CN1115001A Radioactive energy spectrum tracing water uptake section well logging method
01/10/1996EP0690699A1 Method and apparatus for piece-wise radiographic scanning
01/09/1996US5483569 Inspection system with no intervening belt
01/09/1996US5483063 Zero-spaced epithermal neutron moisture detection system
01/09/1996US5483062 Photon detector based upon an activated lanthanide beryllate scintillator
01/09/1996US5483061 Gamma ray scintillation detector apparatus and method for reducing shock induced noise
01/04/1996DE4423780A1 Focusing housing for geophysical neutron activation detector
01/02/1996US5481105 Neutron backscatter gravel pack logging sonde with azimuthal scan capability
01/02/1996US5480439 Method for periprosthetic bone mineral density measurement
12/1995
12/26/1995US5479023 Method and apparatus for detecting concealed substances
11/1995
11/28/1995US5471057 Method and apparatus for determining elemental concentrations for γ ra
11/23/1995DE4417262A1 System for locating buried objects prior to excavation or treatment
11/22/1995EP0682497A1 Compact c-arm tomographic bone scanning system
10/1995
10/31/1995US5461909 Oxygen activation method for quantitative water flow measurements within and behind well bore casing
10/24/1995US5461230 Radiation tool
10/18/1995EP0677754A1 Method and apparatus for well logging using an accelerator neutron source
10/17/1995US5459314 Method for correcting density measurements that are affected by natural and neutron-induced gamma radiation
10/12/1995WO1995027223A1 System for determining a composition of radionuclides
10/12/1995CA2187212A1 System for determining a composition of radionuclides
10/11/1995EP0676048A1 Nitrogen detector and method of detecting
09/1995
09/28/1995WO1995026120A1 Multi energy system for x-ray imaging applications
09/28/1995CA2162918A1 Multi energy system for x-ray imaging applications
09/27/1995EP0674096A1 Gas hold up tool for cased well boreholes
09/19/1995US5451779 Formation density measurement apparatus and method
09/13/1995EP0671637A1 Method for measuring the radiation dose in airplanes
09/08/1995WO1995023983A1 Long-life oil well logging assembly
09/07/1995DE4406958A1 Scanner für Prüfobjekte Scanner for test objects
09/07/1995DE4406956A1 Verfahren zum Detektieren von unzulässigen Reisegepäckgegenständen A method for detecting improper luggage articles
08/1995
08/30/1995EP0669529A1 Method and apparatus for determining the depth of a gamma emitting element beneath the surface
08/29/1995US5446288 Integrated substance detection instrument
08/19/1995CA2142777A1 Method and apparatus for determining the depth of a gamma emitting element beneath the surface
08/15/1995US5442173 Method and system for real-time monitoring of earth formation fracture movement
08/08/1995US5440118 Methods and apparatus for determining formation lithology by gamma ray spectroscopy
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