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7586087 |
Methods and apparatus to characterize stock-tank oil during fluid composition analysis
Methods and apparatus to characterize stock-tank oil during fluid composition analysis are disclosed. A disclosed example method to characterize a fluid associated with an underground geological...
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7553449 |
Method of determination of corrosion rate
The corrosion rate of a metal immersed in a fluid medium is measured by transmission of a beam of radiation normally in the visible or near infra-red portion of the spectrum, through a thin film of...
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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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7514268 |
Method for identifying contaminants
A method is provided for identifying contaminants on a surface. In one embodiment, an infrared beam is transmitted onto a sample. A first infrared absorbance of the sample is determined at a first...
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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 ),...
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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...
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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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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...
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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...
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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...
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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...
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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...
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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...
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7029570 |
Disaggregation of asphaltenes in incompatible petroleum oil mixtures
The thermal decomposition of Athabasca asphaltene at relatively low (<350° C.) temperatures is believed to proceed by elimination of groups situated on peripheral sites of the asphaltene. More...
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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...
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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...
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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 (n A ) of...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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5982959 |
Coated fiber optic sensor for the detection of substances
The present invention provides methods and apparatus for inexpensively and accurately sensing with the use of a fiber optic guide the presence or absence of a particular substance ("analyte"). The...
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5974860 |
Oil detecting system
An oil detecting system for detecting a leakage oil by optical fluorescence measurement means even in the presence of external fluorescent light, for example, from parts and equipments of a vehicle...
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5969254 |
Phase difference measuring apparatus and method
A phase difference measuring apparatus obtains a first receive signal by transmitting and receiving a to-be-measured material in a reference state and a second receive signal by transmitting and...
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5828460 |
Apparatus for optical inspection of metallic surfaces
An apparatus and method for inspection of metallic surfaces before subsequent treatment thereof (for example, painting) are disclosed. In accordance with the invention, several light sources...
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5828798 |
Looped fiber-optic sensor for the detection of substances
The present invention provides methods and apparatus for inexpensively and accurately sensing with the use of a fiber optic guide the presence or absence of a particular substance ("analyte"). The...
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5790246 |
Apparatus and network for determining a parameter of a particle in a fluid employing detector and processor
An apparatus and method for determining a parameter of a particle in a fluid is disclosed and, in particular, an apparatus and method for determining contamination or machine wear by the...
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5780850 |
API estimate using multiple fluorescence measurements
A method for evaluating the API gravity of a sample of underground formation includes steps of: Solvating a known volume of an underground formation sample in a known volume of a solvent which...
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5759857 |
Leak detection using chemical markers
Leakage in a heat exchanger between two liquids which are in indirect heat exchange relationship is detected by marking one of the two liquids with a colorless chemical marker and detecting it in...
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5719665 |
Method and apparatus for determining the content of insolubles in oils
A method of determining the content of insolubles in oils using (a) a relation for measuring either absorbance or transmittance from the intensity of transmitted light, (b) a calibration curve for...
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5686724 |
Method for determining oil content of an underground formation using wet cuttings
Methods are disclosed for evaluating wet cutting from a well borehole to determine the hydrocarbon content of the earth formations penetrated by the well borehole. The wet cuttings to be measured...
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5682231 |
Device and method for determining contamination of a light permeable material utilizing the values of detected light below the saturation intensity of a sensor
A device and method is provided for determining the degradation of oil after use of the same in an engine or the like. A test sample material is placed in a transparent container and various...
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5656810 |
Method and apparatus for evaluating the composition of an oil sample
A method and apparatus for evaluating the composition of an oil sample. The method and apparatus are premised on the discovery that spectral differences can be observed in the luminescence,...
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5548115 |
Probe device for detecting contaminants in subsurface media
A probe device for in-situ detection of contaminants such as petroleum prcts in a subsurface media such as soil. The device comprises an elongated probe housing which is driven into the media. An...
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5543616 |
Identifying oil well sites
Methods for determining maximum oil saturation and possible oil zone location use natural oil inclusions in rock grains of granular rock samples. A first technique involves quantitatively...
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5541413 |
Acousto-optic tunable filter-based surface scanning system and process
A scanning system (10) for inspecting a surface (16) including a light source (30) which generates a beam of light (32) that is reflected, scattered or causes fluorescence at the surface to be...
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5537336 |
On-site oil analyzer
The on-site analyzer (10) includes a housing (14). The housing (14) contains an infrared spectrometer (18) and an optical emission spectrometer (24) for testing a sample (12) of oil. A conduit (32)...
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5504573 |
Apparatus and method for analyzing particles deposited on a substrate using substantially continuous profile data
An apparatus for analyzing particles collected from a fluid and deposited on a substrate along a given direction, the apparatus including holding structure for supporting the substrate; a radiation...
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5461236 |
Oil spill detection system
A sensor for the reliable detection of oil spills using fluorescence techniques. An ultraviolet (UV) light source is located around an optical column with which selected wavelengths of fluorescing...
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5406082 |
Surface inspection and characterization system and process
A system and process for obtaining near real time, non-destructive inspection and characterization of surfaces. The system includes an infrared light source which is directed on a surface to be...
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5381002 |
Fluorescence method of quantifying hydrocarbons, including crude oil, dispersed in water
A method to determine the amount of oil, including dispersed oil, in water at low levels wherein a surfactant is first mixed with water which may contain dispersed oil, the surfactant comprising a...
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5357782 |
Leak detection in heating, ventilating and air conditioning systems using an environmentally safe material
Refrigerant leakage in heating, ventilating and air conditioning systems employing hydrofluorocarbon refrigerants is determined by adding a mixture of predetermined amounts of a naphthalamide...
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5351532 |
Methods and apparatus for making chemical concentration measurements in a sub-surface exploration probe
An in-hole oil-drilling probe is mountable in a drill string to measure hydrocarbon concentrations in drilling fluid flowing around the drill string. The probe consists of a drill collar which is...
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5332900 |
On-line corrosivity monitor for petroleum products
A method and system for monitoring the presence of a corrosive constituent in a petroleum product. [The invention detects the reflected] Reflected radiation is detected from a metal standard in the...
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5331156 |
Method of analyzing oil and water fractions in a flow stream
Methods for quantifying the oil and water fractions of a fluid stream. A first method broadly includes making optical density (OD) measurements of the fluid stream by detecting photons of a first...
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5304807 |
Method for determining the degradation of fuel oil by UV absorption
A method for determining the suitability of a distillate fuel for use after storage by measuring the absorption of ultraviolet light by the fuel.
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