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7389706 |
Method to detect and characterize contaminants in pipes and ducts with interactive tracers
A method and an apparatus for detecting, locating, and quantifying contamination in a fluid flow system like a pipe or duct. This characterization technique uses a conservative and one or more...
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7331248 |
Method and apparatus for detecting and locating explosives, biological, and chemical substances in ducts and structures using tracers
A method and an apparatus for detecting, locating, and quantifying explosive materials and devices, and naturally occurring and man-made dangerous or hazardous biological and chemical materials and...
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7317989 |
Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
The present invention provides a chemometric equation to estimate fluid density, viscosity, dielectric constant and resistivity for a formation fluid sample downhole. The chemometric estimates can...
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7257991 |
Sample testing device
A sample testing device has a buffer container that can hold buffer fluid, a filter with a securement for holding a test strip, the test strip, a test strip container having a receptacle to...
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7150183 |
Compositional characterization and quantification of solid deposits from hydrocarbon fluids
A technique includes providing a deposition measuring device having a deposition from a fluid sample on an interior surface of the device. The technique also includes operating the device with a...
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7140239 |
System and technique for ultrasonic characterization of settling suspensions
A system for determining properties of settling suspensions includes a settling container, a mixer, and devices for ultrasonic interrogation transverse to the settling direction. A computer system...
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7093481 |
Method for roller burnishing a heater tube
A process for placing a roller burnished finish on the central portion of an unfinished lathe-turned heater tube includes controlling the rotational speed of the burnishing rollers and the pressure...
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6978663 |
Fouling test apparatus and process for evaluation of anti-foulants
An apparatus and process are described to test the effect of anti-foulant additives on scale information in industrial fluid streams. An apparatus of at least two cells plumbed in parallel is used...
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6959588 |
Couette device and method to study solids deposition from flowing fluids
We disclose a method of measuring an emulsion or solids deposition in a fluid sample, comprising charging the sample to a Couette device; subjecting the sample in the Couette device to a pressure,...
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6942782 |
Method and apparatus for measuring deposit forming capacity of fluids using an electrochemically controlled pH change in the fluid proximate to a piezoelectric microbalance
A method and apparatus for measuring the deposit forming propensity of a continuously flowing fluid having a bulk pH of about 1 to about 12 comprising measuring the rate at which deposit forms on a...
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6886393 |
Method and device for detecting deposit in a conduit
The invention relates to an installation for implementing a method for detecting a deposit (D) that might form inside a fluid transport pipe ( 2 ). According to the invention, the installation...
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6799124 |
Method of optimizing risk informed inspections of heat exchangers
A probabilistic method for optimizing the inspection of a heat exchanger that determines the maximum number of degraded tubes that can be permitted to remain in service for a contemplated interval...
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6668618 |
Systems and methods of monitoring thin film deposition
Systems and methods of monitoring thin film deposition are described. In one aspect, a thin film deposition sensor includes an acoustical resonator (e.g., a thin film bulk acoustical resonator)...
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6644848 |
Pipeline monitoring systems
An oil pipeline, which connects a Christmas tree at its lower end to an oil rig at its upper end, is fitted with a stainless steel tube sheathed telecommunications grade optical fiber, forming part...
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6611763 |
Method of early predicting paraffin deposition risks during production and transport
Method of predicting paraffin deposition risks during hydrocarbon production and/or transport, applicable at an early reservoir characterization and production stage. It comprises forming a...
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6571611 |
High temperature diesel fuel test apparatus and method
Tortuous passageways are provided in a substrate component that is retained within a holding chamber. Fuels and fuel mixtures to be comparatively tested are introduced into the holding chamber and...
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6566142 |
Laboratory test for assessing the tendency of a gasoline, optionally containing an additive, to cause deposits while the engine is running
A new laboratory test for evaluating the tendency of a gasoline, which may contain additives, to produce deposits during running of an engine involves the following steps: a tube is placed in the...
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6405582 |
Biosensor and deposit sensor for monitoring biofilm and other deposits
A method and apparatus for determining the deposition of organic and inorganic contaminants, such as biofilm, on a coupon is disclosed. The method and apparatus include a coupon suspended from a...
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6375829 |
Method and apparatus for measuring scaling capacity of calcium oxalate solutions using an electrochemically controlled pH change in the solution proximate to a piezoelectric microbalance
This invention is directed to a method and apparatus for measuring the rate of calcium oxalate scale formation in a continuously flowing solution having a pH of from about 2 to about 3 comprising...
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6370946 |
High temperature diesel deposit tester
A method and apparatus for determining the propensity of fuel materials to leave deposits in compression ignition engines is disclosed. The apparatus consists of a closed chamber fitted with...
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6365413 |
Thin film thermal oxidative oil deposit testing device and method
Thin film thermal oxidative engine oil or other oleaginous liquid deposit device has an oleaginous test liquid placement volume; a heatable depositor surface in liquid communication with the...
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6344361 |
Method of detecting the presence of impurities, unit and method for vaporizing liquid, and double air-distillation column
A film-type vaporizer in a vaporization enclosure, for example the upper column of a double air-distillation column, is associated with a measurement and analysis box where a polished surface and a...
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6311546 |
Biofouling monitor and methods to monitor or detect biofouling
A biofouling monitor is described which has a column having an inlet and an outlet; a microorganism nutrient feed line located upstream of the inlet; and a first pressure sensor located upstream of...
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6250140 |
Method for measuring the rate of a fouling reaction induced by heat transfer using a piezoelectric microbalance
A method measuring a rate of fouling caused by a heat flux through the surface subjected to electrochemical polarization. The method includes the steps of: providing a piezoelectric microbalance...
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6223589 |
Oil quality sensor
The chemical and/or physico-chemical determination of the ageing of a motor oil is very expensive and requires measuring methods which cannot be carried out on board a motor vehicle. The...
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6077445 |
Method to minimize corrosion in aqueous systems
A method to minimize corrosion in aqueous systems while maintaining microbiological control in such systems is disclosed. This is achieved by regulating the feed of oxidizers with an...
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6053032 |
System and method for determining a deposition rate in a process stream indicative of a mass build-up and for controlling feed of a product in the process stream to combat same
A system and a method are provided for detecting and monitoring changes in frequency in a process stream. At least one probe is placed in the process stream that is capable of detecting a change in...
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6023070 |
System and method to monitor for fouling
A system and a method for monitoring fouling in a fluid stream are provided. A light source generates a light path directed to two distinct portions of a fluid stream, one of which includes a...
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5969235 |
System and method for measuring scale deposition including a tuning fork for use in the system and the method
A system and a method for measuring scale deposition in a process system are provided. Also, a tuning fork used as a sensor for measuring scale deposition and the process that is used with the...
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5959194 |
Method and apparatus for measurement and prediction of waxy crude characteristics
A method and apparatus for the measurement and prediction of waxy crude characteristics is disclosed. The method is for treating oil samples having at least some wax, by the steps of isolating a...
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5827952 |
Method of and apparatus for determining deposition-point temperature
Acoustic-wave sensor apparatus and method for analyzing a normally liquid petroleum-based composition for monitoring deposition-point temperature. The apparatus includes at least one acoustic-wave...
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5804140 |
Corrosion inspection plate, measurement for corrosive environment and case for the corrosion inspection plate
An apparatus for measuring the amount of various corrosive gases present in a corrosive environment, which uses a metal plate having a thin metalic film thereon formed by sputtering or deposition,...
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5753802 |
Methods for testing the fouling tendency of FCC slurries
A method for analyzing the fouling tendency of a bottoms slurry in a fluidized catalytic cracking unit, the method comprising the following steps: (a) subjecting a sample of the bottoms slurry...
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5734098 |
Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors
Thickness-shear mode resonators which simultaneously measure mass deposition and fluid properties can be utilized to monitor petroleum processing, petrochemical and water treatment systems....
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5693874 |
Test apparatus and method for determining deposit formation characteristics of fuels
A test apparatus includes a test chamber adapted to support a test piece having the shape characteristic of an engine intake valve. Means are provided for heating the test piece, delivering a...
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5637795 |
Apparatus and test methodology for measurement of bit/stabilizer balling phenomenon in the laboratory
A novel process and apparatus have been contrived for the study of the bit/stabilizer balling phenomenon in the laboratory. The device permits a standard testing procedure using a specially...
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5576481 |
Method and apparatus for detecting microbiological fouling in aqueous systems
A method of detecting microbiological fouling in an aqueous system. The method includes determining a baseline corrosion rate. A corrosion rate is continuously monitored. A change in the corrosion...
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5531103 |
Method and apparatus for determining velocity dependent corrosion rate
In testing for pipeline corrosion, a test loop is provided. The loop has three parallel legs, each having a corrosion test cell. The three parallel legs provide flow at different velocities....
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5503005 |
Dual side plant leaf washer and immersion cell
An apparatus and method for measuring agricultural spray deposits and maximum liquid formulation retention on plant leaf surfaces are disclosed. The apparatus includes a first chamber having an...
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5499198 |
Method for predicting spray drift
A method for predicting, and thus reducing, liquid or solid pesticide drift when sprayed onto targets. This method is especially applicable to fixed-wing (low release height) and rotary-wing (high...
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5492005 |
System and method for determining deposit formation and mitigation by fuel additives
The invention is a system and method to rate fuels and fuel additives for their tendency to form and mitigate intake system deposits in engines.
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5488856 |
Monitor for growth and deposit
A method for monitoring the formation of biofilm on surfaces which are exposed to a flowpath of liquid essentially containing water includes flowing a liquid along the flowpath only once without...
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5411890 |
Method for measuring atmospheric corrosion
An atmospheric environmental monitoring method utilizes a corrosion test element prepared from a transparent substrate having two opposed surfaces. A corrodable film is applied to one surface of...
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5370799 |
Elevated temperature-pressure flow simulator
An apparatus and process for simulation of field fluid flow conditions under elevated temperature and pressure conditions of oil and gas production, refining, cooling towers, desalinization. The...
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5361631 |
Apparatus and methods for determining the shear stress required for removing drilling fluid deposits
Improved apparatus and methods for determining the shear stress required for removing drilling fluid deposits formed on the walls of a well bore are provided. The methods basically comprise...
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5343020 |
Stove with a capacitive sailing sensor and sensor-controlled starting of pyrolysis
A stove with pyrolytic self-cleaning includes an oven having an oven space, at least one wall region, a heating element disposed in the at least one wall region, a forced-air blower for venting the...
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5337599 |
Apparatus and method for determining the thermal stability of fluids
An apparatus and method for determining the thermal stability of fluids, particularly for testing the deposition characteristics of fuels, comprising a conduit system which connects in series; a...
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5314581 |
Apparatus for simulating processing parameters and predicting variables in a papermaking operation including sequential pulsation, gravity and vacuum drainage, fines retention and paper formation
An apparatus and method to simultaneously evaluate the drainage, retention and formation characteristics of paper pulp comprising mixing the paper pulp furnish in the top chamber of the apparatus,...
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5309761 |
Methods and apparatus for measuring the erodability of drilling fluid deposits
Methods of measuring the erodability of drilling fluid deposits and the shear stress required to remove drilling fluid deposits formed on the walls of a well bore are provided. The methods...
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5299449 |
Liquid flow reactor and method of using
The tendency of liquid hydrocarbon-based fuels, such as kerosene, diesel l, and jet fuel toward the formation of fuel-insoluble solids during thermal stress in an aircraft fuel system is assessed...
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