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| Number | Title | Issue Date |
| 8124931 | Method and apparatus for oil spill detection The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert base... | 02/28/2012 |
| 7728291 | Detection of heavy oil using fluorescence polarization Viscous oil residues are located based on fluorescence polarization. Methods and apparatus in accordance with the invention may be integrated with autonomous and remotely operated undersea vehicles to map the location of oil spills. ... | 06/01/2010 |
| 7402800 | Method and device for the continuous determination of damage to systems used for the post-treatment of heat engine exhaust gases The invention relates to a method for the continuous determination of the damage to at least one system (7) used for the post-treatment of exhaust gases from an internal combustion engine (2), caused by the lubricating oil, the fuel and/or at least one... | 07/22/2008 |
| 7334465 | Integrated logging tool for borehole An apparatus for measuring characteristics of earth formations surrounding a borehole, comprises a resistivity measurement device having a multiplicity of antennae spaced between each other in a longitudinal direction of the apparatus. A neutron measurement device o... | 02/26/2008 |
| 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 multiplier. The photocathode is deposited directly onto the surface of the s... | 01/22/2008 |
| 7321117 | Optical particulate sensor in oil quality detection An oil quality sensor apparatus includes a housing that includes an oil flow path through which oil flows through the housing. One or more photo-detectors can be provided in association and a plurality of light-emitting devices located within the housing and proxima... | 01/22/2008 |
| 7309862 | Method for marking sites A method for determining changes of a site, wherein the site is treated with an aqueous dispersion having at least one binder, at least one substance emitting visible light on UV exposure, at least one binder and, optionally, a dispersant and the site thus treated a... | 12/18/2007 |
| 7279688 | Arson and forensic scanner having a hydrocarbon gas detector with a detachable collector cone and kit assembly A simple and reliable portable flashlight shaped instrument that combines in a first embodiment an array of a combination of ultraviolet, white and multicolor LED arrays in combination with a broad band hydrocarbon gas detector and, in a second embodiment, a combina... | 10/09/2007 |
| 7268355 | Excimer UV fluorescence detection A UV fluorescence detection system is provided comprising a dielectric barrier-discharge excimer lamp, an applied excitation source for communication with the excimer lamp; a fluorescence chamber having a sample gas containing sulfur dioxide, a light sensitive detec... | 09/11/2007 |
| 7241621 | Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics A method for determining contamination in marine diesel lubricating oils. The method has been found to have particular utility in estimating residual fuel and insolubles contamination in marine diesel lubricating oils. The method includes the steps of: (a) obtaining... | 07/10/2007 |
| 7227139 | System and method for optical detection of petroleum and other products in an environment A system for detecting leaks of petroleum and other non-petroleum based products in an environment includes a sensor package comprising at least one LED and an optical photo-detector. The emitter transmits an excitation signal with an excitation wavelength, and the ... | 06/05/2007 |
| 7214925 | Pattern method and system for detecting foreign object debris A method of detecting a non-fixed object in a system (12) includes applying a light emitting or generating substance to multiple objects. The objects are illuminated with an object illuminator (13). At least one of the objects (10) is determined... | 05/08/2007 |
| 7210342 | Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration A process to analyze fluid entrained in well boreholes. The process includes gathering trap gas samples from return of drilling mud at multiple depths. The process also includes the steps of subjecting the samples to mass spectrometry in order to determine mass to c... | 05/01/2007 |
| 7173242 | Method for determining whether a rock is capable of functioning as an oil reservoir A method is defined for determining whether a rock is capable of functioning as an oil reservoir has had or presently contains oil. The method includes the steps of: -cleaning a sample of the rock in a manner such that at least some of any adsorbed oil on the rock w... | 02/06/2007 |
| 7134323 | System and method for dynamic lubrication adjustment for a lubrication analysis system A system and methodology is provided for dynamically adjusting fluids that operate as a lubricant in a machine. The system includes a control module having a processor and one or more sensors providing data to the processor in situ with the machine, wherein the proc... | 11/14/2006 |
| 7136155 | Apparatus for measuring oil oxidation using fluorescent light reflected from oil An apparatus for measuring oil oxidation is capable of being mounted to mechanical devices for detecting power of fluorescent light reflected from oil in real time as an indication of the oil oxidation. A plurality of first optical fibers are connected to a light-em... | 11/14/2006 |
| 7128812 | Apparatus and method for determining the level in a coke drum A foam level in a delayed coking drum is detected by utilizing the varying density of the boiling mass in the coke drum which has larger bubbles and is less dense at the top and smaller bubbles and a higher density at the bottom. A plurality of radiation detectors a... | 10/31/2006 |
| 7126677 | Bearing with oil film thickness measuring device A bearing with an oil film thickness measuring device in which sensor portions at distal ends of four common optical fibers are connected to sensor mounting portions formed at four positions in an axial direction of a bearing body. A lubricating oil containing a flu... | 10/24/2006 |
| 7126123 | Surface contamination detection method and apparatus A method and an apparatus for inspecting parts for surface contamination including the steps of covering the part with a film of water, and then scanning the wetted part with a infrared camera to preserve the reflected image of the reflected infrared light thereby d... | 10/24/2006 |
| 7102514 | Methods for detecting biological, chemical or nuclear attacks Methods are provided for detecting chemical, biological and/or nuclear attacks in large areas such as cities, states and nations. The system protects the public before significant exposure occurs, utilizing a preventive approach rather than a purely reactive approac... | 09/05/2006 |
| 7084392 | Method and apparatus for a downhole fluorescence spectrometer The invention comprises an apparatus and method for simple fluorescence spectrometry in a downhole environment using a UV light source and UV fluorescence to determine a parameter of interest for a sample downhole. The UV light source illuminates the fluid, which in... | 08/01/2006 |
| 7073378 | Integrated logging tool for borehole An apparatus for measuring characteristics of earth formations surrounding a borehole, comprises a resistivity measurement device having a multiplicity of antennae spaced between each other in a longitudinal direction of the apparatus. A neutron measurement device o... | 07/11/2006 |
| 7075063 | Determining phase transition pressure of downhole retrograde condensate The invention provides a method for determining phase transition pressure of downhole retrograde condensate. An OBM-contamination value is produced from a time-series of fluorescence values produced by measuring fluorescence emitted from a single-phase flow of OBM-c... | 07/11/2006 |
| 7050166 | Calcium carbonate imaging technique The invention concerns a method for determining the particle size distribution (PSD) of bridging agents in fluids, particularly aqueous fluids used in hydrocarbon recovery such as drilling fluids, drill-in fluids, completion fluids, and the like. It was discovered t... | 05/23/2006 |
| 7043372 | Fluid condition monitoring using broad spectrum impedance spectroscopy Impedance spectroscopy is used to determine values associated with properties of a substance such as a fluid. In some embodiments, the present invention is applied to engine lubricants. A spectral matrix is constructed that comprises data taken from spectral plots. ... | 05/09/2006 |
| 7029570 | Disaggregation of asphaltenes in incompatible petroleum oil mixtures The thermal decomposition of Athabasca asphaltene at relatively low ( | 04/18/2006 |
| 7027149 | Photometric analysis of natural waters A spectrographic analysis method which is photometric and non-contact for determining the presence of a chosen constituent in water is provided based on the fact that the inverse of reflectance is a measure of absorption. A full spectrum measurement of the reflectan... | 04/11/2006 |
| 7009550 | Method and apparatus for monitoring and measuring oil spills The present invention relates to an oil spill identification system and oil spill identification sensors to be used in connection with this system. The system is used primarily on fixed offshore structures, but may also be used on fixed onshore constructions. The se... | 03/07/2006 |
| 6925137 | Small neutron generator using a high current electron bombardment ion source and methods of treating tumors therewith A neutron generator includes a modular arrangement of a high current electron bombardment ion source, providing deuterium(D) and/or tritium(T) ions, a high voltage acceleration stage to accelerate the ions and raise the ion energy to the order of 100 keV, and an occ... | 08/02/2005 |
| 6870160 | Method and apparatus for monitoring the condition of a lubricating medium An apparatus for monitoring the condition of a lubricating medium includes a UV light source, a UV receiver, a processor electrically coupled to both the UV light source and the UV receiver, and a memory device electrically coupled to the processor. The memory devic... | 03/22/2005 |
| 6715347 | Apparatus and method for determining measures of the permeability of HC-bearing formations using fluorescence Formation drilling cuttings are centrifuged and a sediment sample is extracted and heated to burn off surface hydrocarbons. A non-fluorescing diluant is added to the sediment. The sediment is then subjected to UV excitation. Depending upon the permeability of the se... | 04/06/2004 |
| 6690453 | Method and device for predicting the flocculation threshold of asphaltenes contained in hydrocarbon mixtures Method and device for predicting the flocculation threshold of asphaltenes contained in hydrocarbon mixtures. The method comprises the following stages: determining the refraction index (nA) of several asphaltenes used as reference asphaltenes; ... | 02/10/2004 |
| 6525325 | System for quantifying the hydrocarbon content of aqueous media A system for quantifying the petroleum content of aqueous media includes a sample cell; a first light source for generating a first light signal that stimulates fluorescent emissions when the first light signal irradiates hydrocarbons present in an aqueou... | 02/25/2003 |
| 6501072 | Methods and apparatus for determining precipitation onset pressure of asphaltenes The optical density of an oil sample at a plurality of wavelengths over a plurality of different (typically decreasing) pressures is monitored and used to find the size of agglomerated asphaltene particles which are precipitating from the oil sample. The ... | 12/31/2002 |
| 6476385 | Cleaning management kit and method of use A cleaning inspection kit inclusive of various compositions of water-soluble invisible fluorescent ink and various applicators therefor which are suited for a number of different surfaces, and a hand-held ultra-violet light. The appropriate applicator is ... | 11/05/2002 |
| 6407383 | Method and device for determining the oil concentration in liquids by means of fluorescence excitation with an excimer lamp The present invention relates to a method and a device for fluorescence measurement of oil residues in water. The core of the invention is to use a powerful, narrow-band excimer lamp to excite intensive fluorescence radiation to detect the latter with a p... | 06/18/2002 |
| 6148661 | Method of separating and rapidly analyzing a sample A method of separating and analyzing slightly volatile cations and/or anions contained in a sample immediately and simultaneously. The sample is injected into a chromatography device in liquid phase co-operating with at least one stationary phase likely t... | 11/21/2000 |
| 6141395 | Sealed neutron tube A sealed neutron tube is provided, in which an insulating structure is designed to be solid to enhance the shock-proof performance thereof, an ion beam drawn out from an ion source is pulsated more rapidly, and the lifetime of a target is increased withou... | 10/31/2000 |
| 6097027 | Identifying oil columns A method of using natural oil inclusions in rock that is capable of oil entrapment to determine whether that rock has had, or presently contains, oil, comprising the steps of: selecting two or more regions on a sample of the rock; determining a ratio of t... | 08/01/2000 |
| 6091071 | Opto-electronic sensor An opto-electronic sensor for recognizing transparent articles, such as, for example, glass bodies, plastic bodies, or foils. The sensor includes at least one transmitter for transmitting light signals into a monitored region, at least one receiver for re... | 07/18/2000 |
