Abstract: A device for determining the rheological properties of blood may include a channel having at least one channel sub-section that has a substantially constant cross-section; apparatus for determining a pressure differential along at least a portion of the sub-section of the channel; a first reservoir that is adapted to be located at a first end of the channel and to be placed in fluid communication with the channel, the first reservoir being of variable internal volume; a second reservoir that is adapted to be placed in fluid communication with first reservoir via the channel, the second reservoir being of variable internal volume; means for allowing blood to be introduced into the device; an outlet for allowing gas to be expelled from the device; and means for varying the volume of the first reservoir.

Abstract: A comprehensive three-dimensional exploitation experimental system for large-scale and full-sized exploitation wells includes a reactor, configured to prepare a natural gas hydrate sample, for simulating an environment for forming a natural gas hydrate reservoir in seafloor sediments. The reactor includes a reactor body, an upper cover disposed at an upper surface of the reactor body, and a lower cover disposed at a lower surface of the reactor body; a gas introducing module, configured to introduce gas to the reactor during hydrate formation; a liquid introducing module, configured to introduce liquid to the reactor during hydrate formation; a temperature regulating module, configured to regulate a temperature in the reactor; a data collecting-processing-displaying module, configured to collect, store, process and display data of the comprehensive three-dimensional exploitation experimental system during an experiment.

Abstract: A measurement apparatus includes a base having a top portion forming a fulcrum, and a rod-shaped body having a supported portion supported by the top portion, a pH sensor provided on one side thereof, and a reservoir provided on the other side thereof opposite to the one side with the supported portion therebetween, the reservoir being configured to store a fluid. When the reservoir is filled with the fluid, the rod-shaped body is balanced horizontally. When the reservoir is not filled with the fluid, the rod-shaped body is tilted to the side where the pH sensor is provided, so that the pH sensor is immersed in the solution in a water tank.

Abstract: A system for monitoring the operation of vibrating equipment, such as a vibrating screen unit or vibrating feeder. The vibrating equipment includes a series of mounting springs that support the body on a stationary support structure. The system includes a plurality of sensors that are positioned to detect vibrating forces on one or more of the mounting springs. Each of the sensors generates a monitoring signal that is received by a control unit. The monitoring signals are a measure of the resonance frequency of the mounting springs. The control unit is operable to compare the monitoring signals from the sensors to expected, normal values such that the control unit is able to determine whether the mounting springs are functioning in a normal manner or whether a problem exists. The control unit is further able to monitor the operation of the vibrating equipment through the analysis of the monitoring signals.

Abstract: A technique for monitoring and collecting environmental data is provided that supports acquisition and analysis of quality measurements of pollutants by sensors based on different technologies in an integrated manner. The system includes a primary substrate having a plurality of sensor modules, each sensor module configured to couple to a sensor, and a manifold having a plurality of flow hoods, each flow hood disposed on a top surface of a sensor and connected to another flow hood or component in the manifold. In some cases, the sensor modules are gas sensor modules, and the sensor is a gas sensor. The manifold thus provides a closed system through which a fluid sample can flow across a series of gas sensors in an actively controlled manner that enables independent flow control over each individual gas sensor while limiting exposure of the fluid sample to potential sources of contamination.

Abstract: A liquid chromatograph mass spectrometer specifying a location where a flow path is clogged and recovering in a short time. The liquid chromatograph mass spectrometer includes a first flow path passing through a separation column, a second flow path not passing through the separation column, a mass spectrometry unit on the downstream side of the first and second flow paths that analyzes a sample that has passed through the first flow path, a first valve for connecting any one of the first and second flow paths to the mass spectrometry unit, and a controller for controlling driving of the first valve connecting the first flow path to the mass spectrometric unit, comparing the measured value of the mass spectrometric unit with a predetermined threshold value, and connecting the second flow path to the mass spectrometry unit when it is determined to be abnormal.

Abstract: A sample is placed in a sample housing. The sample includes crude oil and a demulsifier. A cylindrical sensor is submerged in the sample within the sample housing. An external surface of the cylindrical sensor includes a fluoropolymer. A plurality of densities of the sample are measured by a computer for a corresponding plurality of time points over a specified testing time duration. The computer is communicatively coupled to the cylindrical sensor. The plurality of densities and the corresponding plurality of times points are recorded by the computer. An emulsion breaking efficiency of the demulsifier is determined based on the recorded plurality of densities and corresponding plurality of time points.

Abstract: A sensor relating to one aspect of the present invention includes a first electrode, a second electrode arranged relative to the first electrode with a gap being provided therebetween, a sensor body having the first and second electrodes arranged therein, and a catching portion arranged in the gap and having an outer peripheral surface made of an insulating material. Electric connection is established along the outer peripheral surface via conductive particles gathering to the catching portion.

Abstract: A flange connection set includes a modified compact flange, having a channel for external-internal seal tests, coupled to a connecting component, and coupled between the compact flange and the connecting component, there is a KX sealing ring with a radius closer to the radius of the conduit. Different types of keys provide the flange connection the ability to withstand high shear and torsional loads without affecting its operation, while also resisting high bending moment loads and preserving the integrity of the sealing ring and the fasteners.

Abstract: A portable hydrocarbon sampling device may include a first housing with a first bore, a valve housing with a second bore coupled to the first housing, and a cross-flow housing with a third bore coupled to the valve housing to form a continuous flow path. The valve housing includes a valve to open and close the second bore. A cross bore may be coupled to the cross-flow housing, and is perpendicular to the third bore. A probe may be disposed within the continuous flow path and in fluid communication with the cross bore. An actuator housing may be coupled to the cross-flow housing. The actuator housing may include an actuator to extend into the probe. A sampling container fluidly may be coupled to the cross bore at end distal to the cross-flow housing. The sampling container may be configured to collect the fluids from the probe.

Abstract: A sampling arrangement includes a sample concentration element configured to trap at least one analyte of interest by freezing; and a sample release arrangement configured to provide a flow of gas, at room temperature on or around the sample concentration element in order to change the temperature thereof; wherein the sample release arrangement further includes a release gas preprocessing element; and a pump element configured to provide the gas flow on or around the sample concentration element.

Abstract: A sniffer probe for a gas analyzer is provided herein, the sniffer probe designed to suction gas and can be connected to the gas analyzer and includes a sniffer tip with a suction opening, such that gas is suctioned through the suction opening along a central perpendicular to the suction opening, and the sniffer tip has at least one elongate gas-guiding element, which is arranged substantially parallel to the central perpendicular and distally protrudes beyond the suction opening.

Abstract: The present invention relates to systems and methods for finding and sampling hydrocarbons from seeps in water or from artificial sources of water. The present invention related to systems and methods for in situ analyzing fluid samples in a body of water. The systems and methods can be used to find hydrocarbons and associated non-hydrocarbons from seeps in water. Such seeps may come from natural sources in deep water, possibly as deep as 3000 m or even more.

Abstract: A MEMS accelerometric sensor includes a bearing structure and a suspended region that is made of semiconductor material, mobile with respect to the bearing structure. At least one modulation electrode is fixed to the bearing structure and is biased with an electrical modulation signal including at least one periodic component having a first frequency. At least one variable capacitor is formed by the suspended region and by the modulation electrode in such a way that the suspended region is subjected to an electrostatic force that depends upon the electrical modulation signal. A sensing assembly generates, when the accelerometric sensor is subjected to an acceleration, an electrical sensing signal indicating the position of the suspended region with respect to the bearing structure and includes a frequency-modulated component that is a function of the acceleration and of the first frequency.

Abstract: A viscometer includes first and second capillaries and a valve. In a first state, the valve connects the second capillary to a first fluid injector via the first capillary. In a second state, the valve connects the second capillary to a second fluid injector. A controller receives data indicative of respective pressure drops within the first and second capillaries, and generates a pressure ratio signal therefrom. The controller analyzes the pressure ratio signal to determine an end of a transition between a first equilibrium when the valve is in the first state, and a second equilibrium when the valve is in the second state. The controller defines a measurement window based on the transition end, and therein determines a viscosity of the second fluid based on the pressure ratio signal. The first fluid is a solvent, and the second fluid is a solution of a same solvent and a solute.

Abstract: An environmental testing laboratory includes a supply port allowing air-conditioned air at a predetermined temperature supplied through the supply port at a predetermined speed, a discharge port facing the supply port and allowing the air be discharged through the discharge port, a flow passage disposed between the supply port and the discharge port and allowing the air to pass through the flow passage part, an installation part disposed at a center of the flow passage and allowing a measurement target in the installation part, and a flow straightening member which is disposed between a sidewall surface of the flow passage part and the installation part and which is configured to straighten an airflow of the air-conditioned air. The sidewall surface of the flow passage part and the first flow straightening member are disposed in parallel with the airflow of the air-conditioned air from the supply port to the discharge port.

Abstract: Systems and methods for measuring phase flow rates of a multiphase production fluid are provided where a fluidic isolation chamber expands volumetrically in response to fluid pressure from a diverted multiphase production fluid. A pressure-regulating actuator regulates fluid pressure upstream of the fluidic isolation chamber and an upstream fluidic pressure sensor generates an upstream fluidic pressure signal. A fluidic control and analysis unit is configured to communicate with the upstream pressure sensor and the isolation chamber actuator to maintain fluidic pressure upstream of the fluidic isolation chamber as the multiphase production fluid is diverted to the fluidic isolation chamber. The unit generates a total flow rate QTOT as a function of chamber filling time and volumetric expansion and communicates with the fluidic phase detector to generate a relative occupancy indicator I for a target phase of the multiphase production fluid in the fluidic isolation chamber.

Abstract: The invention discloses a device for testing strength and sealing performance of cement sheath after perforation, comprising a cement sheath curing maintenance simulation component, a perforation operation simulation component, and a cement sheath performance test component.

Abstract: The present invention provides an auxiliary device for detecting a damp-hot performance of fabric, including: a working table provided with a mounting frame; a first fabric fixing plate fixedly provided on the working table; a second fabric fixing plate fixedly provided on the mounting frame; a rotating part rotatably connected between the first fabric fixing plate and the second fabric fixing plate; a simulation block detachably connected to the rotating part and provided with a simulation layer; and a rotating motor connected to the rotating part; wherein a damp-hot detection cavity is enclosed among the to-be-detected fabric, the first fabric fixing plate and the second fabric fixing plate, and the damp-hot detection cavity is provided with a damp-hot air supply device and a temperature and humidity sensor group. Damp-hot air is introduced into the damp-hot detection cavity, and the simulation block rotates.

Abstract: Methods of evaluating a surfactant may include ultrasonicating a mixture of oil, water, and the surfactant to form at least one of the following: a sub-macroemulsion, a macroemulsion phase or a combination of the aforementioned; separating the sub-macroemulsion from the macroemulsion phase; introducing the sub-macroemulsion into a foam container; performing a first automated phase identification of the sub-macroemulsion; introducing a gas into the sub-macroemulsion to generate a column of foam, where the column of foam has a height in the foam container; performing a second automated phase identification of the sub-macroemulsion; and measuring the height of the column of foam in the foam container. In these methods, the first and second automated phase identifications may be configured to quantify one or more liquid phases and a foam phase in the column.