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7605366 |
Nuclear density gauge
A nuclear density gauge includes a base and at least one gamma radiation detector mounted at a predetermined location relative to an axis extending longitudinally of the base. The gauge further...
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7567869 |
Induction tool for detail evaluation of near borehole zone
Measurements made with an induction logging tool are processed to provide a resistivity model of fluid invasion of the formation. Up to five zones can be determined over a radial distance of about...
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7529627 |
Method of sea electrical survey of oil and gas deposits and apparatus complex for its realization ‘VeSoTEM’
A method for electrical survey of hydrocarbons deposits under seabed depths up to 1500 m and equipment therefor are provided. The equipment includes a vessel, a generator, an excitation field...
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7528949 |
Aerial-supported procedure for exploration of hydrocarbon deposits
The present invention refers to an aerial-supported procedure for the exploration of hydrocarbon deposits, especially crude oil and gas deposits, using fluorescence procedures, including...
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7498964 |
Analog interface for digital instrumentation
Nuclear spectroscopy systems have improved over the course of time especially with the advent of digital pulse processing. One disadvantage of digital processing, however, is that it has eliminated...
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7439494 |
Method and apparatus for determining the thermal neutron capture cross-section of a subsurface formation from a borehole
Data acquired using a pulsed nuclear source are susceptible to two sources of error. One error is due to large statistical noise towards the end of an acquisition window. Another source of error is...
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7425307 |
Enhanced subsurface scanning system, method and computer program product
An enhanced scanning solutions module is disclosed including a flow control subsystem; a detector subsystem coupled to the flow control subsystem; a dryer/moisture separator subsystem coupled to...
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7402796 |
Method and apparatus for monitoring deposition of solids in pipelines using a plurality of radiation sources pointing to a unique detector
The invention concerns a method of monitoring flow in a flow pipe. According to the invention, the method comprising the following steps: providing a flow pipeline having a unique photon detector...
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7365544 |
Methods of adjusting airborne geophysical measurements based on mapping instrument measurements
This invention concerns a method of making airborne geophysical measurements. Such measurements may be made from fixed or moving wing airplanes or dirigibles. The method comprises the following...
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7321123 |
Method and apparatus for radiation detection in a high temperature environment
A radiation detector operating at high temperatures is shown comprising a LuAP scintillating material for producing light when excited by incident radiation, a photocathode, and an electron...
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7317185 |
Tamper resistant radon detector
Embodiments of the present invention provide for a tamper resistant radon detector monitoring system. Other embodiments may be described and claimed.
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7282704 |
Method for determining formation porosity and gas saturation in a gas reservoir
Measurements made with porosity and density logging tools in a gas reservoir may differ due to invasion effects. The effects are particularly large on measurement-while-drilling applications where...
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7250606 |
Buried object evaluating method, underground resources evaluating method, underground waste evaluating method, underground preserved object evaluating method, stratum structure evaluating method and building interior monitoring method, all using hard X-rays or γ-rays
As a method for using a hard X-ray sensor that can detect weak hard X-rays or the like with a higher resolution, a method for accurately evaluating natural resources of crude oil, natural gas, etc....
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7235780 |
Method and system for detecting a property of a pavement by measuring gamma-radiation
For detecting a property of at least one layer ( 301 ) of a pavement ( 300 ), a flux of radiation of energy levels or at least one range selected from an energy spectrum received from the pavement...
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7173239 |
Method and apparatus for downhole quantification of methane using near infrared spectroscopy
The present invention describes a unique method and apparatus for applying near-infrared spectroscopy to estimate weight percent of methane in crude oil from which one can then infer gas-oil ratio...
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7081616 |
Downhole gamma-ray detection
A method for evaluating a natural gamma-ray activity within a borehole, comprises the steps of:
stabilizing the gain according to a method for stabilizing a gain of a gamma-ray detector for...
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7054759 |
Concentration measuring method
A concentration measuring method includes selecting a calibration curve optimum for computing the concentration of a measurement target substance from a plurality of calibration curves based on an...
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7027924 |
Detecting natural gas pipeline failures
A method for detecting failures in a natural gas returning radiation from the pipeline; determining that there is a failure in the pipeline when the spectral or thermal signature indicates that...
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7022998 |
Radiation dose rate measurement
A method and apparatus are provided for determining radiation dose rates at selected locations within an environment. Incident gamma ray energy and count rate are measured at one or more measured...
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6989527 |
Method, system and computer program product for collecting and storing radiation and position data
A handheld system for collecting and storing radiation data and position data includes both a radiation detector and a position detector interfaced to a handheld computer. The handheld computer...
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6853937 |
Soil characteristics survey device and soil characteristics survey method
To provide a soil characteristics survey device capable of efficiently acquiring high precision data information about the distribution of soil characteristics in an agricultural field, and...
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6744055 |
Miniature personal and area radon and thoron monitor
A Rn222 (radon) and Rn220 (thoron) radiation monitor that uses alpha-track detection film in multiple, separate chambers to detect radiation, wherein different diffusion barriers are used in each...
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6721681 |
Chronometric, communication, identification, and tracking tag
A chronometric identification and location tag for an animal, such as a dog, that incorporates a variety of detection and sensing functions as well as communication capacities. Assembled in a...
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6704109 |
Downhole fluorescence detection apparatus
A downhole optical apparatus includes an LED source, reflectance and fluorescence detectors, a plurality of fibers, a dichroic mirror (DM), a beam splitter/coupler, a probe, a short-pass filter...
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6577697 |
Field analysis of geological samples using delayed neutron activation analysis
A system and method for rapidly analyzing elemental abundances in rock or soil samples ( 14 ) under field conditions. The system uses a portable neutron source ( 12 ) to allow neutron activation...
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6538170 |
Polluted soil remediation apparatus, polluted soil remediation method, pollutant degrading apparatus and pollutant degrading method
A polluted soil remediation apparatus comprising a treatment tank in which pollutants degradable with light irradiation in the presence of chlorine is extracted as a gas containing the pollutants...
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6442232 |
Thin layer nuclear density gauge
The present invention provides an improved thin layer nuclear density gauge comprising a gauge housing having a vertical cavity therethrough and a base, a first radiation detector located at a...
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6433340 |
Low energy radiation detector
A low energy radiation detector for wireline applications and the like is provided with a housing made of carbon fiber and eopxy binder composite which is relatively transparent to x-radiation,...
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6403740 |
Vinyl fluoride interpolymers
Interpolymers of 1-99 mol % vinyl fluoride and 99-1 mol % of at least one highly fluorinated monomer such as tetrafluoroethylene are disclosed. The interpolymers are characterized by the presence...
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6332351 |
Detection of salt content of water through measurement of radiation attenuation
A method of calculating the salt content of water in a multiphase flow which comprises irradiating a body of the multiphase flow with radiation of three distinct energy levels; measuring the...
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6321140 |
Robot device
A robot device having a plurality of component units connected together and controller detachably mounted on one of the component units for driving and controlling each the component units in a...
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6310936 |
Thin layer nuclear density guage
The present invention provides an improved thin layer nuclear density gauge comprising a gauge housing having a vertical cavity therethrough and a base, a first radiation detector located at a...
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6255658 |
Method and apparatus for locating a point source of radiation in a contaminated site
A person intervening on the site is fitted with a plurality of radioactivity meters (1, 2, 3, 4, 11, 12) distributed over the body at locations such that at least two meters receive radiation doses...
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6184531 |
Apparatus for real-time airborne particulate radionuclide collection and analysis
An improved apparatus for collecting and analyzing an airborne particulate radionuclide having a filter mounted in a housing, the housing having an air inlet upstream of the filter and an air...
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6163309 |
Head up display and vision system
A vehicle imaging system for producing an integrated video image of a scene about a vehicle. The system includes sensors for detecting radiation in the range of wavelengths of 250 nm to 12 μm. The...
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6097785 |
Cone penetrometer utilizing an X-ray fluorescence metals sensor
A cone-tipped penetrometer for in situ analysis of soil or sediment by X-ray fluorescence spectroscopy. Rather than using a radioactive source, a miniature x-ray tube is powered by a filament...
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6008645 |
Prediction of permeability from capillary pressure curves derived from nuclear magnetic resonance pore size distributions
Capillary pressure curves can be derived from nuclear magnetic resonance (NMR) pore size distributions. These derived capillary pressure curves can be used to derive the displacement pressure, the...
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5986257 |
Method of detecting an object in an examination zone, and device for carrying out the method
A method of detecting an object in an examination zone is well-suited for detecting land mines buried in the soil. The mean atomic numbers of the object is different from that of the examination...
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5936240 |
Mobile autonomous robotic apparatus for radiologic characterization
A mobile robotic system that conducts radiological surveys to map alpha, beta, and gamma radiation on surfaces in relatively level open areas or areas containing obstacles such as stored containers...
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5887491 |
Soil analysis assembly and system
The present invention relates to a soil anslysis system for determining various soil characteristics. Various soil characteristics may include moisture content, organic matter content and the...
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5796108 |
Alpha-beta radiation detector
The invention is based in part on the discovery that a plastic housing that is lightweight is surprisingly efficient inasmuch as background signals from any gamma radiation are significantly...
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5773821 |
Radiological surveying as a method for mapping fossilized bone sites
Radiological surveys for the discovery and mapping of subterranean fossilized relics, notably dinosaur bones utilize a detector shielded by a lead casing having a collimating window oriented...
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5742053 |
Infrared gas detection method and apparatus
Method and apparatus for determining the presence and identity of predetermined gases in the atmosphere such as would be found on a natural gas, natural gas liquid or oil pipeline if such pipeline...
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5739536 |
Fiber optic infrared cone penetrometer system
A system for the in-situ detection of chemicals, including water, in soil comprises: a penetrometer for penetrating the soil, the penetrometer including interior and exterior surfaces, and a window...
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5699246 |
Method to estimate a corrected response of a measurement apparatus relative to a set of known responses and observed measurements
The present invention provides a new method to determine corrected characteristics of materials using the measured quantities obtained by a measurement and an extensive set of database points...
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5635710 |
Subsurface penetrometer radiaton sensor probe and system
A penetrometer sensor probe and system with a detachable sleeve section which performs radiation measurements in subsurface formations. The penetrometer sensor probe measures radiation particularly...
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5614908 |
Helicopter system with rotor blade antennas for landing assistance and for detection of electro-magnetic anomalies
A system for assistance in landing a helicopter and for the detection of electro-magnetic anomalies utilizing helicopter blades as carriers of receiving devices in a wide spectrum of...
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5585628 |
Method of surface surveying for radioactive sources
A method of surveying a surface to determine the existence of a radiation source, e.g., a radioactive source, providing a procedure for determining an optimum scan velocity for scanning past a...
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5572020 |
Simplified radon testing package
A radon test package of simplified and low cost construction. A generally flat outer packet is formed from a single sheet of radon barrier material folded to define two panels with facing inner...
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5561516 |
Casingless down-hole for sealing an ablation volume and obtaining a sample for analysis
A casing-less down hole sampling system for acquiring a subsurface sample for analysis using an inductively coupled plasma system is disclosed. The system includes a probe which is pushed into the...
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