| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073610440 | Plural liquid constituent (e.g., multiphase liquid) | 16 |
| 20080307860 | Detector for Distinguishing Phases in a Multiphase Fluid Mixture - A detector ( | 12-18-2008 |
| 20090007642 | DIALYSIS FLUID MEASUREMENT METHOD AND APPARATUS USING CONDUCTIVE CONTACTS - A dialysate testing method in one embodiment includes placing electrical contacts in a dialysate flow path, measuring an electrical property of the dialysate as it flows through the flow path and past the contacts, and determining whether the dialysate has been mixed properly from the detected electrical property. A dialysate testing method in another embodiment includes flowing dialysate past a pair of electrical contacts, calculating a conductivity of the dialysate using an algorithm that takes into account a geometry of the contacts, and using the calculated conductivity to determine if the dialysate has been removed properly. | 01-08-2009 |
| 20090107218 | Test separator - A mobile test separator has a separator unit mounted on a wheeled trailer movable between test sites. The separator unit separates well production stream into a liquid production stream and a gas production stream. The separator unit effectively measures the amount of oil and gas in the production stream. | 04-30-2009 |
| 20120137754 | Determining Concentrations of Components of a Mixture - Systems and methods for determining concentrations of components of a multiphase fluid. A first flowmeter receives a fluid flow and generates measurements of the fluid flow. After at least partially separating the fluid flow into mixtures of its components, second and third flowmeters generate measurements of the mixtures. A data processing apparatus operatively coupled to the flowmeters receives the measurements and determines concentrations of the components of the fluid flow. In an embodiment, the measurements are mass flow and density readings. | 06-07-2012 |
| 20130145827 | TRACERS FOR DETECTING THE PRESENCE OF SOLID ADMIXTURES - In some variations, this disclosure provides a method of verifying the presence of an admixture in association with a solid base material, by combining the admixture with a stable inorganic tracer. A sample of the solid base material may be analyzed, using suitable analytical techniques, to detect the presence of the inorganic tracer in excess of any native inorganic tracer. When the inorganic tracer is positively detected, it is confirmed that the traceable admixture has been properly dosed within the base material. The inorganic tracer may comprise a rare earth metal, such as selenium, molybdenum, bismuth, and combinations, alloys, or oxides thereof, for example. The solid base material may be a cementitious material, in some embodiments. The traceable admixture may be a water-repellent admixture, in some embodiments. The principles of the invention, however, are widely applicable. | 06-13-2013 |
| 20140013830 | ELECTRODE STRUCTURE AND APPARATUS FOR USE IN MEASURING OIL-WATER CONSTITUENTS - An electrode structure and apparatus for use in measuring oil-water constituents. The electrode structure comprises a first electrode ( | 01-16-2014 |
| 20140116117 | IMPEDANCE METHOD AND ARRANGEMENT FOR DETERMINING THE COMPOSITION OF A MULTI-PHASE MIXTURE - The invention relates to a method and an arrangement for determining the composition of a multiphase mixture (MG), the multiphase mixture (MG) having at least three phases, in particular mineral oil, water, sand and/or sludge. The multiphase mixture (MG) is conveyed away or led from a delivery point, for example, in a through-flow device (DF), in particular a pipeline. At least two electrodes (E | 05-01-2014 |
| 20140202238 | DETERMINING CONCENTRATIONS OF COMPONENTS OF A MIXTURE - Systems and methods for determining concentrations of components of a multiphase fluid. A first flowmeter receives a fluid flow and generates measurements of the fluid flow. After at least partially separating the fluid flow into mixtures of its components, second and third flowmeters generate measurements of the mixtures. A data processing apparatus operatively coupled to the flowmeters receives the measurements and determines concentrations of the components of the fluid flow. In an embodiment, the measurements are mass flow and density readings. | 07-24-2014 |
| 20140305194 | SYSTEM FOR MEASUREMENT OF FLUID LEVELS IN MULTI-PHASE FLUIDS - A system for measuring component fluid levels in a multi-phase fluid is provided. The system includes a sensing assembly. The sensing assembly includes a primary coil and at least one secondary coil. The primary coil is wound around a sampling container that holds the multi-phase fluid. The secondary coil is disposed proximate to the primary coil and each of the at least one secondary coil is electrically connected to at least one capacitive element. Further, the system includes an analyzer that is inductively coupled to the at least one secondary coil. The analyzer is configured to measure a response of the at least one secondary coil in response to an excitation signal provided to the primary coil. | 10-16-2014 |
| 20140352410 | SEQUENTIAL ALIQOTING AND DETERMINATION OF AN INDICATOR OF SEDIMENTATION RATE - A device is disclosed for centrifugally driving liquid flow to sequentially dispense aliquots from a reservoir while the device rotates. Also disclosed is a method and system for analysing a liquid to derive an indicator of sedimentation rate of the liquid using sequential aliquoting, using the disclosed device in some embodiments. A particular application is the analysis of blood samples, including sedimentation rate and hematocrit. | 12-04-2014 |
| 20150020580 | CHARACTERIZING CONTENTS OF CONDUITS, IN PARTICULAR MULTIPHASE FLOW CONDUITS - A method and apparatus for determining contents of a conduit containing at least one fluid is described. The conduit may be at least partially defined by at least one wall portion. The wall portion may be cooled. After cooling said, the temperature at least one temperature sensor located adjacent to the wall portion may be measured. A characteristic of said contents is determined based on said measured temperature at the or each temperature sensor. | 01-22-2015 |
| 20150033830 | AUTOMATED PHASE SEPARATION AND FUEL QUALITY SENSOR - A fluid characterization sensor comprising a plurality of sensor segments is disclosed. Each segment comprises two electrodes, spaced apart so the fluid in the corresponding interval of depth for that segment is positioned between them. Complex current or impedance is measured by exciting one electrode with an AC signal, and measuring the amplitude and phase of the current in the other electrode. After automatically measuring and accounting for pre-determined gain, offset, temperature, and other parasitic influences on the raw sensor signal, the complex electrical impedance of the fluid between the electrodes is calculated from the measured phase/amplitude and/or real/imaginary components of the received electrical current signal and/or the variation of the measured response with variation in excitation frequency. Comparison of measured results with results taken using known fluids identifies fluid properties. Alternatively, measured results are compared to predicted results using forward models describing expected results for different fluids or contaminants. | 02-05-2015 |
| 20150052983 | Method and Apparatus for the Measurement of the Mass Fraction of Water in Oil-Water Mixtures - An apparatus for measuring the mass fractions of water and oil in a flowing mixture of oil and water through a pipe includes a sensor portion that measures sound velocity and temperature of the flowing oil water mixture at a first time and at a second time. The apparatus includes a temperature changer in thermal communication with the flowing fluid which changes the temperature of the flowing oil water mixture by a measurable amount between the first time and the second time. A method for measuring water mass fraction in a flowing mixture of oil and water through a pipe includes the steps of measuring sound velocity and temperature of the flowing oil water mixture at a first time with a sensor portion. There is the step of changing the temperature of the flowing oil water mixture by a measurable amount with a temperature changer in thermal communication with the flowing fluid. There is the step of measuring sound velocity and temperature of the flowing oil water mixture at a second time with the sensor portion. | 02-26-2015 |
| 20160096153 | Compositions, Systems, And Methods For Immiscible Fluid Discrete Volume Manipulation - Systems and methods of manipulating discrete volumes of a first fluid in a second fluid are provided. In some embodiments, discrete volumes can be formed in a conduit. In other embodiments, addition fluid can be added to a discrete volume in a first conduit by injecting the addition fluid at a relatively higher pressure. In some embodiments, discrete volumes that normally would not coalesce can be manipulated to be merged together. | 04-07-2016 |
| 073610450 | By vibration | 2 |
| 20090025460 | ULTRASOUND MULTIPHASE FRACTION METER AND METHOD FOR DETERMINING PHASE FRACTIONS IN A MULTIPHASE FLUID - An apparatus and method to determine fractions of various phases in a multiphase fluid. The apparatus includes main body including an interior configured receive a multiphase fluid and an exterior. The apparatus senses fluid pressure of multiphase fluid received in the interior and senses a fluid temperature of the multiphase fluid. The apparatus transmits an ultrasonic wave into the fluid and detects the transmitted wave to determine its velocity and attenuation. The apparatus may adjust the determined velocity and attenuation based on the temperature and pressure of the fluid to compensate for a difference between the sensed temperature and pressure and a standard temperature and pressure. The apparatus determines a gas fraction, water fraction, and a non-water fluid fraction of the multiphase fluid based on the sensed fluid pressure, the sensed fluid temperature, and the velocity and attenuation of the ultrasonic wave in the multiphase fluid. | 01-29-2009 |
| 20160146743 | FLUID SENSOR - A fluid sensor includes a core defining a fluid flow path, a confinement member located externally of the core, and a patch antenna located between the fluid flow path and the confinement member. The confinement member is configured to confine an electromagnetic field which extends into the fluid flow path. The patch antenna is configured to couple an electrical signal to and/or from the electromagnetic field. The fluid sensor may be configured for measuring the composition and/or flow rate of a fluid and, in particular but not exclusively, for measuring the composition and/or flow rate of mixtures of oil, water and gas. | 05-26-2016 |
