Class / Patent application number | Description | Number of patent applications / Date published |
356070000 | OIL TESTING (E.G., CONTAMINATION) | 30 |
20090180101 | METHODS AND APPARATUS FOR ESTIMATING A DOWNHOLE FLUID PROPERTY - Apparatus and method for estimating a downhole fluid property using a carrier conveyable into a well borehole, one or more light sources carried by the carrier, the one or more light sources comprising at least one quantum cascade laser light source, a fluid sample cell that receives light emitted from the one or more light sources, and at least one photodetector that detects light emitted from the one or more light sources after the light interacts with a fluid in the fluid sample cell. | 07-16-2009 |
20090244517 | METHOD FOR EVALUATING PURITY AND CONCENTRATION OF OILS AND FATTY ACID COMPOSITIONS - Methods for evaluation of fish oil, oils, omega-3 fatty acid compositions, and dietary supplements containing omega-3 essential fatty acids and other fats are provided herein. The relative purity and/or concentration of oil-containing aliquots can be determined by cooling approximately equal volumes of two or more aliquots to a temperature near or below 0 degrees Celsius. When cooled, the most opaque aliquots are the least pure. The invention also provide a method for determining whether an omega-3 fatty acid supplement is greater than 90% pure, which includes cooling the supplement to less than 0 degrees Celsius and a determining that the supplement is 90% pure if its appearance is essentially unchanged from its appearance and room temperature. | 10-01-2009 |
20090279072 | OIL TYPE DISCRIMINATION METHOD AND OIL TYPE DISCRIMINATOR - To provide an oil type discrimination method and an oil type discriminator capable of accurately discriminating a type of oil even when light-shielding components exist in the oil and of preventing in advance erroneous discrimination of a mixture of oil. | 11-12-2009 |
20090310127 | Laser-Induced Fluorescence Fiber Optic Probe Measurement of Oil Dilution by Fuel - Apparatus for detecting fuel in oil includes an excitation light source in optical communication with an oil sample for exposing the oil sample to excitation light in order to excite the oil sample from a non-excited state to an excited state and a spectrally selective device in optical communication with the oil sample for detecting light emitted from the oil sample as the oil sample returns from the excited state to a non-excited state to produce spectral indicia that can be analyzed to determine the presence of fuel in the oil sample. A method of detecting fuel in oil includes the steps of exposing a oil sample to excitation light in order to excite the oil sample from a non-excited state to an excited state, as the oil sample returns from the excited state to a non-excited state, detecting light emitted from the oil sample to produce spectral indicia; and analyzing the spectral indicia to determine the presence of fuel in the oil sample. | 12-17-2009 |
20100007874 | METHOD FOR ENSURING THE SAFETY OF THE COMPONENTS OF THE DRIVE TRAIN OF A VEHICLE FOLLOWING THE DETERIORATION OF THE FUEL - The invention relates to a method of ensuring the safety of the components of the drive train of a vehicle equipped with a heat engine, before or during its startup phase following a deterioration of the quality of the fuel contained in the tank ( | 01-14-2010 |
20130250281 | LUBRICANT DETERIORATION SENSOR - A speed reducer for an industrial robot includes a speed reducer main body and a lubricant deterioration sensor for detecting deterioration of a lubricant in the speed reducer main body. The lubricant deterioration sensor includes a light emitting element for emitting light, a color light receiving element for detecting a color of received light, a clearance forming member forming an oil clearance in which the lubricant enters, and a support member supporting the light emitting element, the color light receiving element, and the clearance forming member. The clearance forming member is transmissive so that the light emitted from the light emitting element transmits therethrough. The oil clearance is provided on an optical path from the light emitting element to the color light receiving element. | 09-26-2013 |
20140146307 | Method and Device For Determining the State of Degradation of a Lubricant Oil - The present invention provides a method and a device for determining the degradation of a used oil. The method of the invention is based on calculating the components in the red, green and blue transmission spectral bands I | 05-29-2014 |
20150293016 | Optically Transparent Films for Measuring Optically Thick Fluids - A multilayered film and a method for performing spectroscopic measurements in a fluid are provided. The multilayered film includes a substrate; a porous layer adjacent to the substrate; and a reflective layer formed on the porous layer, wherein the porous layer selectively allows a component of a fluid to be optically measured when the multilayered film is immersed in the fluid. A sensor for spectroscopic measurements in crude oil samples including a multilayered film as above is also provided. A method of manufacturing a multilayered film for spectroscopic measurements in fluids as above is also provided. | 10-15-2015 |
20150293032 | UNIT AND METHOD FOR OPTICAL NON-CONTACT OIL DETECTION - The invention relates to a unit and method for detection of presence of oil on the water surface or in the water column. Unit comprises a sensor, whereby the sensor is connected to electronic compartment followed by microprocessor controller with embedded software for carrying out necessary analyses of reflected signals received by the sensor. The microprocessor controller is connected to communication means for transmitting an alarm signal through external communication line in case of oil pollution. All elements mentioned above are supplied by external power supply and are accommodated into waterproof housing. The sensor comprises the probe light source formed by a pulsed UV LED, collimating optics and narrow band optical filter, at least one dichroic mirror, a projection-receiving lens, at least one optical filter, at least one photodetector and a reference photodetector. | 10-15-2015 |
20150309002 | METHOD AND SYSTEM FOR DETERMINING ASPHALTENE ONSET PRESSURE USING A WAVELENGTH DEPENDENT SIGNAL - Methods and systems for determining asphaltene onset pressure of a formation fluid are disclosed herein. The method includes positioning a wellbore tool within a wellbore and drawing a formation fluid sample into the wellbore tool. The method further includes transmitting light through the sample and detecting light that is transmitted through the sample. The light is transmitted within the sample along a short path length of less than 2 mm. While the light is being transmitted, the pressure of the sample is varied. A wavelength dependent signal is determined using (i) the intensity of the transmitted light at a first wavelength and (ii) the intensity of the transmitted light at a second wavelength. The asphaltene onset pressure of the sample is determined by identifying a change in the wavelength dependent signal at a particular pressure. | 10-29-2015 |
20150309003 | METHOD AND SYSTEM FOR DETERMINING ASPHALTENE ONSET PRESSURE USING A USING DEPRESSURIZATION AND PRESSURIZATION - Methods and systems for determining for determining asphaltene onset pressure of a formation fluid are described herein. The method includes the following processes: (a) transmitting light through a sample of the formation fluid; (b) decreasing pressure of the sample; (c) detecting intensity of the transmitted light during depressurization; (d) identifying a change in intensity of the transmitted light during depressurization; (e) increasing pressure of the sample to a fixed pressure; and (f) detecting intensity of the transmitted light at the fixed pressure and at an equilibrated light intensity. Processes (a) to (f) are repeated for a number of different fixed pressures. The asphaltene onset pressure of the formation fluid sample can be determined using (i) the intensity of the transmitted light during each depressurization and (ii) the intensity of the transmitted light at each of the different fixed pressures. | 10-29-2015 |
20150338343 | Silicon Oil Sensor and Electric Power Terminal Assembly - A silicon oil sensor is provided and includes a transparent member and a laser source emitting a laser beam. The transparent member includes a light receiving passageway with an oil receiving section and a side surface. The laser beam is directed into the light receiving passageway such that an incident angle θ of the laser beam (L) with respect to the side surface is selected so that a total reflection of the laser beam (L) occurs on the side surface when the oil receiving section is filled with air and exits out of the transparent member along a total reflection path (L | 11-26-2015 |
20150338547 | Optical and Electrical Sensing of a Multiphase Fluid - Apparatus and methods for optical and electrical sensing different phases of a multiphase fluid. The apparatus includes a cylindrical member formed with an optically transparent material including a first end with a shaped tip and a second end operable to receive an optical conductor. The apparatus also includes first and second electrodes disposed on the cylindrical member operable to receive first and second electrical conductors, respectively. | 11-26-2015 |
20150377774 | SYSTEMS, METHODS, AND APPARATUS FOR OPTICAL HYDROCARBON GAS COMPOSITION MONITORING - The disclosure relates to spectroscopic systems and spectrometers configured for hydrocarbon gas composition monitoring which provides compound speciation capability and function. In certain embodiments, the system identifies two or more bands of spectral data—e.g., including a band in each of (i) the near infrared and (ii) mid infrared wavelength regions, though bands covering subsets from about 800 nm to about 12 μm can be used—from the signal corresponding to the hydrocarbon fluid in the gas flow cell, where the two or more bands are not contiguous (e.g., there is at least a 50 nm separation between the nearest ends of two bands). A combined spectrum is then formed from the two or more non-contiguous bands of spectral data and processed to identify and/or quantify the constituents of the hydrocarbon fluid. | 12-31-2015 |
20160041088 | STATE DETERMINING METHOD, STATE IMPARTING SYSTEM, AND STATE DETERMINING PROGRAM - A state determination method is provided that is capable of determining at least one of the state of degradation of oil in a machine and the state of breakage of the machine with higher accuracy than conventional methods. A state determination method for determining the state of degradation of lubricating oil in a speed reducer and the state of breakage of the speed reducer is characterized by: transmitting white light emitted by a white LED through the lubricating oil, causing an RGB sensor to detect the color of the light transmitted through the lubricating oil by the white LED, and calculating the brightness of the color detected by the RGB sensor (S | 02-11-2016 |
20160054285 | IMPLEMENTATION CONCEPTS AND RELATED METHODS FOR OPTICAL COMPUTING DEVICES - Various implementations of optical computing devices are described herein which include a “tuning fork” probe, “spark plug” probe, “grooved tubular” and “modular” type implementation. | 02-25-2016 |
20160061743 | Method and Apparatus for In-Situ Fluid Evaluation - A method and apparatus are provided for performing in-situ fluid analysis. The method involves obtaining a first and second mixture of uncontaminated oil and a contaminant, wherein a percentage of the uncontaminated oil in the first mixture is different from the second mixture. The method may further include establishing a rate of change of a physical property of the first mixture and the second mixture to estimate a mass density of the uncontaminated oil and a mass density of the contaminant. In addition, the method may include obtaining a volume fraction of the uncontaminated oil for the first mixture and second mixture using the mass density of the uncontaminated oil and the mass density of the contaminant. An optical device may be used to determine a composition of the first and second mixtures in order to calculate a composition of the contaminant and a composition of the uncontaminated oil. | 03-03-2016 |
20160069856 | SYSTEM AND METHOD FOR MONITORING A FLUID | 03-10-2016 |
20160076367 | OPTICAL COMPUTING DEVICE HAVING A REDUNDANT LIGHT SOURCE AND OPTICAL TRAIN - An optical computing device having a redundant light source and/or a plurality of optical elements (i.e., optical train) in order to simultaneously determine characteristics of a sample in real-time by deriving the characteristic data from the output of the optical elements. | 03-17-2016 |
20160084774 | OPTICAL SENSOR - A lubricant deterioration sensor mounted in a machine to detect deterioration of a lubricant of the machine, the sensor comprising a white LED for emanating white light, an RGB sensor that detects colors of received light, a clearance forming member in which an oil clearance for intrusion of the lubricant is formed, and a support member that supports the white LED, the RGB sensor, and the clearance forming member; and wherein the clearance forming member allows passage of the light emitted from the white LED, and the oil clearance is placed along an optical path from the white LED to the RGB sensor. | 03-24-2016 |
20160116403 | Hydrocarbon Sensing Methods and Apparatus - A chip-scale, reusable sensor can detect aromatic hydrocarbons, such as benzene, toluene, ethylbenzene, and xylenes (BTEX), rapidly in water without sample preparation. The device is capable of real-time, continuous monitoring for BTEX solutes, which diffuse into a film, such as a polymer, on the sensors surface. In operation, BTEX analytes concentrate in the film, causing an increase in refractive index, which modulates evanescent coupling into the chips integrated photodetector array. Integration of the photodetector array simplifies system instrumentation and permits incorporation of an on-chip photocurrent reference region in the immediate vicinity of the sensing region, reducing drift due to temperature fluctuations. In some examples, the chip responds linearly for BTEX concentrations between 1 ppm and 30 ppm, with a limit of detection of 359 ppb, 249 ppb, and 103 ppb for benzene, toluene, and xylene in water, respectively. | 04-28-2016 |
20160131575 | METHOD AND SYSTEM FOR MONITORING THE QUALITY OF FLUIDS - A method and system for monitoring the quality of fluids, wherein comprising the different features of a fluid with at least two different methods are measured and a measure for the quality of the fluid is derived and/or a process of the fluid deterioration is identified by comparing the results of the measurements of the at least two different methods, where the methods includes at least one optical absorption measurement and at least one electron paramagnetic resonance measurement. | 05-12-2016 |
20160131795 | Mudlogging Device with Dual Interferometers - A mudlogging device may consist of a housing that is positioned above a ground level and proximal a wellbore. The housing can have a first interferometer and a second interferometer that are connected to a common pathway. The duel interferometer configuration may allow a gas sample to be concurrently tested by the respective interferometers. | 05-12-2016 |
20160146738 | Fluid Characterization Of Porous Materials LIBS - A method for analysing fluid characteristics of a geological sample with laser-induced breakdown spectral measurements performed on the geological sample, spectral pre-processing performed as necessary, and subsequent analysis is applied to the collected data to determine at least one fluid parameter of the sample. The method can provide a more rapid and reliable method to estimate fluid properties of a geological sample. A system for performing the method also is provided. | 05-26-2016 |
20160161463 | STATE DETERMINATION METHOD AND STATE DETERMINATION DEVICE - In a method of determining a deterioration state of an object, the deterioration state of the object is determined by determining whether a calculated value reaches a state determination threshold value or not, the calculated value utilizing at least one of brightness and a color component value calculated from a detection value detected by an optical sensor. The optical sensor includes an examination section containing liquid, a light emitting element emitting detection light toward the examination section, and a light receiving element detecting color information of the detection light traveled through the liquid. | 06-09-2016 |
20160178598 | ENHANCING RESERVOIR FLUID ANALYSIS USING PARTITIONING COEFFICIENTS | 06-23-2016 |
20160195509 | MEMS IMPLEMENTATION FOR DETECTION OF WEAR METALS | 07-07-2016 |
20160252448 | LUBRICANT DETERIORATION SENSOR | 09-01-2016 |
20160252490 | LUBRICANT DETERIORATION SENSOR AND OPTICAL SENSOR | 09-01-2016 |
20160377589 | CHARACTERIZATION OF AN API GRAVITY VALUE OF CRUDE OIL BY ULTRAVIOLET VISIBLE SPECTROSCOPY - A system and a method for characterizing a crude oil sample from the weight and ultraviolet visible spectroscopy of the sample, including calculating and assigning a crude oil ultraviolet visible index and using the assigned index to calculate and assign an API gravity and/or to calculate and assign an aromaticity value of the sample. | 12-29-2016 |