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