Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
Patents for G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830)
11/1984
11/14/1984EP0125024A1 Gain stabilized natural gamma ray detection of casing thickness in a borehole
11/14/1984EP0124696A1 Borehole logging probe for the determination of formation constituents
11/13/1984CA1177952A1 Image analysis system
10/1984
10/30/1984US4480186 Compensated density well logging tool
10/10/1984EP0121463A2 Method and device to get information about organic or mineral matter susceptible to be contained in geological formations
10/09/1984US4476391 Method for improving accuracy in a neutron detector
10/02/1984US4475038 In situ lithology determination
09/1984
09/25/1984CA1175159A1 Pulsed neutron well logging system and method
09/19/1984EP0119113A1 Method and apparatus for determining borehole and formation constituents
09/11/1984US4471435 Computer-based system for acquisition of nuclear well log data
08/1984
08/28/1984US4468558 Method and apparatus for measuring radon beneath and above the level of the ground
08/28/1984US4467642 Method for identifying complex lithologies in a subsurface formation
08/14/1984US4464930 Method for identifying complex lithologies in a subsurface formation
08/14/1984CA1172773A1 Method and apparatus for measuring radon in the ground
08/07/1984US4464569 Method and apparatus for spectroscopic analysis of a geological formation
07/1984
07/31/1984US4463256 Method for determining the presence of platinum in earth formations
07/10/1984US4459480 Method of measuring void spaces
07/10/1984US4459479 Determination of casing thickness using a natural gamma ray spectroscopy technique
07/10/1984US4459478 Probe equipment for use in underground mining
06/1984
06/12/1984US4454605 Modular X-ray inspection apparatus
06/12/1984US4454420 Neutron-inelastic gamma radiation well logging method and apparatus with background radiation accounted for
05/1984
05/29/1984CA1168380A1 X-ray security screening system having magnification
05/29/1984CA1168379A1 Spectroscopic analysis with background compensation
05/22/1984US4450354 Gain stabilized natural gamma ray detection of casing thickness in a borehole
05/15/1984US4449047 Airborne mineral exploration system
05/08/1984CA1167125A1 Coaxial cable for oil exploration
05/01/1984US4446369 Method and system for radioactive assaying
05/01/1984US4446368 Method and apparatus for neutron induced gamma ray well logging
05/01/1984CA1166768A1 Neutron method and apparatus for determining total cross-section
04/1984
04/24/1984US4445033 Methods and apparatus for environmental correction of thermal neutron logs
04/24/1984US4445032 Method of determining the bulk strength of strata
04/17/1984US4442701 Method for measuring density of a bulk material in a stockpile
04/03/1984CA1165017A1 System for simultaneous measurement of borehole and formation neutron lifetimes
03/1984
03/28/1984EP0103972A2 Method for identifying complex lithologies in a subsurface formation
03/27/1984US4439676 Natural gamma ray logging with borehole effect compensation
03/27/1984US4439675 Moisture and density gauge
03/13/1984US4436997 Method for the determination of clay and mica concentrations in subsurface sandstone formations through radioactive logging
03/13/1984US4436996 Borehole compensated KUT log
03/06/1984CA1163379A1 Method and apparatus for measuring gamma rays in a borehole
03/06/1984CA1163324A1 Well logging to determine the nature and extent of mud filtrate penetration
02/1984
02/28/1984CA1163021A1 Method and apparatus for constituent analysis of earth formations
02/21/1984US4433240 Method and apparatus for measuring gamma rays in a borehole
02/21/1984CA1162660A1 Method for simultaneous measurement of borehole and formation neutron lifetimes
02/21/1984CA1162659A1 Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting
02/14/1984CA1162329A1 Measurement of gamma-ray energy due to inelastic neutron scattering
02/14/1984CA1162328A1 Measurement of gamma-ray energy due to thermal neutron capture of copper and nickel
02/07/1984US4430568 Container inspection system
02/07/1984US4430567 Method and apparatus for neutron induced gamma ray logging for direct porosity identification
01/1984
01/31/1984US4429221 Method for determining fluid saturation characteristics of subsurface formations
01/31/1984CA1161573A1 Method of determining the bulk strength of strata
01/17/1984US4426575 Method and apparatus for measuring radon in the ground
01/03/1984US4424444 Method for simultaneous measurement of borehole and formation neutron lifetimes
12/1983
12/28/1983EP0096975A1 Gamma ray spectral tool for borehole use
12/27/1983US4423323 Neutron logging method and apparatus for determining a formation characteristic free of environmental effects
12/21/1983EP0096440A1 Intrinsic object sensing in a digital fan beam X-ray inspection system
12/07/1983EP0095900A1 Method for simultaneous measurement of thermal neutron decay components
11/1983
11/29/1983CA1157967A1 Methods and apparatus for nuclear well logging
11/22/1983US4416151 Method and apparatus for determining in situ hydrocarbon characteristics including hydrogen density
11/15/1983US4415805 Method and apparatus for evaluating multiple stage fracturing or earth formations surrounding a borehole
11/15/1983US4415804 Annihilation radiation analysis
11/15/1983CA1157169A1 Annihilation radiation analysis
10/1983
10/25/1983US4412130 Downhole device to detect differences in fluid density
10/25/1983CA1155975A2 Methods and apparatus for optimizing measurements of thermal neutron decay characteristics
10/18/1983CA1155559A2 Method and apparatus for measuring thermal neutron decay characteristics
10/12/1983EP0091294A2 Method for monitoring drilling materials for gamma ray activity
10/11/1983US4409481 Method for simultaneous measurement of thermal neutron decay components
10/11/1983US4409480 Method and system for the testing and calibration of radioactive well logging tools
09/1983
09/13/1983US4404467 Salinity and lithology determination from the sodium and chlorine activation lines
09/13/1983CA1153834A1 Neutron accelerator tube having improved target section
09/07/1983EP0087442A1 Image analysis system
09/06/1983US4403290 Machine method for determining the presence and location of hydrocarbon deposits within a subsurface earth formation
09/06/1983US4403146 Evaluation of the interaction with radiant energy of substances traversed by a bore hole
08/1983
08/16/1983CA1152234A1 Neutron accelerator tube having improved ionization section
08/16/1983CA1152233A1 Neutron accelerator tube having improved ionization section
08/02/1983US4396838 Logging type subsidence detector
07/1983
07/26/1983CA1150856A1 Measurement of flowing water salinity within or behind wellbore casing
07/19/1983US4394574 Methods and apparatus for constituent analysis of earth formations
07/12/1983CA1149971A1 Method and apparatus for measuring neutron characteristics of material surrounding a borehole
07/12/1983CA1149970A1 Method and apparatus for measuring neutron characteristics of material surrounding a borehole
06/1983
06/28/1983US4390783 Spectroscopic analysis with background compensation
06/15/1983EP0081314A2 A method and system for ascertaining density features of underground earth regions, and a detector module usable therein for detecting the flux and trajectories of muons
06/15/1983EP0081075A1 Method and apparatus for neutron induced gamma ray well logging
06/14/1983US4388529 System for simultaneous measurement of borehole and formation neutron lifetimes
06/14/1983CA1148277A1 Measuring system of a borehole probe
06/07/1983US4387302 Measuring of gamma-ray energy due to inelastic neutron scattering
06/07/1983CA1147869A1 Background subtraction system for pulsed neutron logging of earth boreholes
05/1983
05/25/1983EP0079600A2 Method and apparatus for the control of the contents of containers
05/24/1983US4385235 Method and apparatus for measuring the thermal neutron absorption rate in earth formations
05/17/1983US4384205 Neutron method and apparatus for determining total cross-section
05/04/1983EP0077939A1 Device to inspect articles with X-rays
04/1983
04/26/1983US4381449 Neutron-inelastic gamma radiation well logging method and apparatus with background radiation accounted for
04/20/1983EP0077018A1 Device to produce X-ray images of an object
04/19/1983US4380701 Nuclear well logging with neutron source and separate spaced radiation detectors to determine silicon/oxygen ratio
04/19/1983CA1145067A1 Field method for detecting deposits containing uranium and thorium
04/19/1983CA1145066A1 Lithology determination from the calcium and magnesium activation lines
04/05/1983US4379348 X-Ray security screening system having magnification
04/05/1983US4379229 Measuring of gamma-ray energy due to thermal neutron capture of copper and nickel
04/05/1983US4379228 Neutron-neutron-logging
03/1983
03/31/1983WO1983001121A1 Moisture and density gauge
03/29/1983US4378498 Simulation of subsurface formations for the testing and calibration of radioactive well logging tools
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