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2718 results about "Experimental methods" patented technology
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Experimental device and experimental method for transformer oilpaper insulating thermal ageing
InactiveCN101713721AWeighing by removing componentWeather/light/corrosion resistanceThermal ageingElectricity
Owner:XI AN JIAOTONG UNIV
Oil-water displacement efficiency experimental method of longitudinal and planar nonhomogeneous slab models
The invention relates to an oil-water displacement efficiency experimental method of longitudinal and planar nonhomogeneous slab models, which comprises an oil-water displacement efficiency experimental method of a longitudinal nonhomogeneous slab model and an oil-water displacement efficiency experimental method of a planar nonhomogeneous slab model. The experimental method mainly comprises the following steps: 1. applying confining pressure to the core holder of a multilayer slab model, then vacuumizing the multilayer slab model with three layers slab model, injecting simulated formation water to saturate cores, and then heating; 2. injecting simulate formation oil in a piston type container into the core holder of the multilayer slab model, and carrying out water-oil displacement to establish bound water saturation level; and 3. injecting simulate formation water in the piston type container into the core holder of the multilayer slab model, and carrying out water-oil displacement to obtain accumulated displacement oil output and wateryield under different water injection multiples, and thereby, the oil displacement efficiency is obtained. The invention not only can carry out displacement experiment research on the longitudinal nonhomogeneous slab model at high temperature and pressure but also can carry out displacement experiment research of different flooding well networks on the planar nonhomogeneous slab model under high temperature and pressure. The highest pressure reached by the experimental method is 25MPa, and the highest temperature reached by the experimental method is 100 DEG C.
Owner:SOUTHWEST PETROLEUM UNIV
Experimental method of simulating dynamic and static load and device thereof
InactiveCN101532931AOvercome gradationOvercome sizeFluid pressure measurement by electric/magnetic elementsMaterial strength using tensile/compressive forcesExperimental methodsData acquisition
The invention discloses an experimental method of simulating dynamic and static load and a device thereof, relating to indoor model experimental technique of geotechnical engineering. The structure of the device is as follows: a model experimental platform (1), a model experimental box (2) and a load transmitting lever (3) are sequentially connected; the load transmitting lever (3) is respectively connected with a static load system (4) and a dynamic load system (5) which are respectively connected with a dynamic signal testing system (6); the dynamic signal testing system (6), a data acquisition system (7) and a computer (8) are sequentially connected. The device caries out dynamic and static load experiments on different structure models, and can monitor and collect non-linear properties of deformation and stress of gneiss under complex load condition in real time. The device has intuitional testing principle, simple structure, high precision, good stability, easy operation, convenient detachment and no high technical requirement to mounting and testing workers.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
Examination Apparatus, Fluoroscopy Apparatus, Examination Method, And Experimental Method
InactiveUS20070273877A1Improve examination accuracyReduce resolutionRadiation pyrometrySpectrum investigationExperimental methodsFluorescence
Even when the magnifying power is reduced, an image can be obtained at high resolution without significantly reducing the numerical aperture, and examination accuracy is improved. There is provided a microscope examination apparatus including a light source for emitting excitation light or illumination light to a specimen placed on a stage; an objective lens opposing the stage and capable of focusing fluorescence or reflected light from the specimen; an image-forming lens for forming an image of the specimen obtained by the objective lens; and an image-capturing unit for capturing the image of the specimen forming by the image-forming lens, wherein a plurality of the objective lenses having different magnifying powers is provided, and an objective-lens switching mechanism for switching among the objective lenses is provided, and wherein a plurality of the image-forming lenses having different magnifying powers is provided, and an image-forming-lens switching mechanism for switching among the image-forming lenses 5a and 5b is provided.
Owner:OLYMPUS CORP
Experimental method and device for simulating exploitation of gas hydrates
InactiveCN101575964AOptimal rateOptimal Energy EfficiencyConstructionsMineral miningThree dimensional simulationExperimental methods
The invention provides an experimental method and a device thereof for simulating the exploitation of gas hydrates, wherein the method includes: underlying gas hydrates are generated in a reaction kettle which is provided with water-containing porous medium fill areas. In the step, experimental gas is led in from the lower part of the reaction kettle, thereby spreading the gas from bottom to top into the porous medium fill areas to generate hydrates. Then the hydrates generated are decomposed by adopting a voltage drop method, a heat injection method and or a chemical injection method; and thegas produced after decomposition of the hydrates is discharged out of the reaction kettle, thus simulating the process of exploitation of hydrates. In addition, the invention also provides a device specially designed for implementing the experimental method. The method and the device not only can make three-dimensional simulation of generation circumstance of the gas hydrates in marine sedimentsand the gas hydrates symbiotic with underlying free gas, but also can simulate exploitation of the hydrates by combining a single principle with a multi principle, and can realistically simulate the exploitation process of the gas hydrates.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Aromatic heterocyclic pyridine derivatives and analogs and preparation method and application thereof
The invention aims at providing chemical synthesis and preparation of an aromatic heterocyclic pyridine and the analogs thereof to obtain derivatives and analogs of a plurality of series of aromatic heterocyclic pyridine and medicinal salts or salts having the following formulas or prodrugs, and the preparation, a pharmacologically activity experimental method and pharmacologically activity thereof are provided. The definitions of dotted line, ring A, ring B, X1, X2, X3, X4, R1, R2 and R3 in formula I are shown in the description. The invention provides the aromatic heterocyclic pyridine derivatives and analogue with antibacterial and antifungal activities, also provides the application thereof as antibacterial and antifungal drugs and the application thereof in concomitant use with other known antibacterial and antifungal drugs and with drugs for curing bacteria infection coupled with various complicating diseases such as inflammation, virus, immune system diseases and the like, and also provides the preparation method of the aromatic heterocyclic pyridine analogs.
Owner:LIAONING LIFENG SCI & TECH DEV
Gasinsulation combined electric device local discharge analog experimental apparatus and experimental method
The simulating experiment equipment for local discharge in gas insulated combined electric appliance consists of inducing pressure regulator, no-corona experiment transformer, no-local discharge protecting resistor, standard capacity voltage divider, GIS simulating experimental device, internal UHF antenna sensor and external UHF antenna sensor, microstrip line filtering amplifier, intelligent UHF multiplexer, wide band high speed ultrahigh capacirty digital storage oscilloscope and microcomputer. The simulating experiment equipment and method for local discharge in gas insulated combined electric appliance may be used for simulating various defaults inside GIS to obtain PD experiment data reflecting various kinds of insulation defaults and distinguish the PD modes of the insulation defaults in GIS, so that the present invention may be used widely in relevant theoretical analysis and application research.
Owner:CHONGQING UNIV
Experimental apparatus and method for researching response characteristic of natural gas hydrate stratum to drilling fluid intrusion
InactiveCN102323394ASafe and efficient exploration and developmentEarth material testingPermeability/surface area analysisDynamic monitoringTransfer mechanism
The invention relates to an experimental apparatus and a method for researching response characteristics of natural gas hydrate stratum to drilling fluid intrusion. The apparatus comprises a drilling fluid cycling mechanism, a high and low constant temperature experiment box, a gas permeability mechanism, a water / gas injection mechanism, a confining pressure tracking mechanism, a back pressure mechanism, a detection mechanism, an outlet metering mechanism, a rock core transferring mechanism, a sampling mechanism and an industrial control computer. The experimental methods based on the apparatus comprise an experimental method for hydrate deposit gas permeability, an experimental method for intrusion of drilling fluid to hydrate deposit and dynamic monitoring of response characteristics of the hydrate deposit during the intrusion process, and a method for fidelity transferring of hydrate deposit core. The invention provides an early stage indoor research on response characteristics of natural gas hydrate stratum to drilling fluid intrusion, so as to master influence rules of the drilling fluid intrusion on hydrate stratum physical properties, realize simulating fidelity transferring of a sample containing hydrate deposit and provide basis for future hydrate stratum exploitation and drilling safety and logging accuracy interpretation.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
Landslide experimental device and experimental method for simulating constant seepage flow
ActiveUS20190113496A1Shorten the timeDomestic plumbingEarth material testingExperimental methodsRemote control
The present invention discloses a landslide experimental device for remotely controlling and simulating a constant seepage flow and weight load and an experimental method thereof in centrifuge test. The landslide experimental device includes a model box, a landslide device, a near-constant water flow control box, remote control devices and a water outlet pipe. The landslide device comprises a landslide model, a load balancing device, a weight storage device, an angle control panel and a tension bar. The remote control devices are arranged at the control box water outlet, at the control box water inlet, on the tension bar, on telescoping control sensors and on the weight storage device, respectively. With the present invention, the influences on the stability of landslide model with different landslide angles under the condition of the seepage flow and weight load can be simulated.
Owner:FANG KUN
Natural gas hydrate deposit dynamic triaxial mechanic-acoustic-electrical synchronous test experimental device and method
ActiveCN103323352AImplement dynamic loadingScientific experiment dataAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial strength using repeated/pulsating forcesTest fixtureWave velocity
The invention provides a natural gas hydrate deposit dynamic triaxial mechanic-acoustic-electrical synchronous test experimental device, and a test method. The natural gas hydrate deposit dynamic triaxial mechanic-acoustic-electrical synchronous test experimental device comprises an acoustic wave receiving device, an acoustic wave transmitting device, and a resistivity testing device. The natural gas hydrate deposit dynamic triaxial mechanic-acoustic-electrical synchronous test experiment method comprises the steps that: step A, a hydrate sample is synthesized; step B, the synthesized hydrate sample is subjected to dynamic loading, and electric-acoustic-mechanical property tests are simultaneously carried out, until the sample is subjected to shearing damage. The invention provides a mechanical response characteristic research of indoor hydrate deposit under dynamic load. With the device and the method, mechanical, electrical, and acoustic parameter synchronous testing of hydrate deposit under dynamic load can be realized. With the test data, a relationship between mechanical parameters and wave velocity can be obtained by fitting.
Owner:PETROCHINA CO LTD
Stretching and compression stress wave generator based on electromagnetic force and experimental method
ActiveCN103994922AEasy to controlGood repeatabilityMaterial strength using tensile/compressive forcesAudio power amplifierExperimental methods
The invention provides a stretching and compression stress wave generator based on electromagnetic force and an experimental method. The stress wave generator is such structured that a capacitor charger is connected with a loading gun. A main coil, an insulating layer and a secondary coil all sleeve the locating shaft of a tapered amplifier. A power supply system is employed to provide the main coil of the loading gun with instant strong current, so strong eletromagnetic repulsion is generated between the main coil and the secondary coil; and the eletromagnetic repulsion is converted into stress waves which are amplified by the tapered amplifier and then output to a Hopkinson bar. The stretching and compression stress wave generator has a simple structure and strong controllability, can realize a strain rate and a strain scope which cannot be reached by a traditional disconnect-type Hopkinson bar, allows Hopkinson bar experimental techniques to be standardized, realizes integration of experimental apparatuses of a pull bar and a pressure bar and reduces complexity and occupied space of equipment.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Experimental system and method for MMC (multilevel modular converter) flexible direct-current transmission control protection equipment
The invention discloses an experimental system for MMC (multilevel modular converter) flexible direct-current transmission control protection equipment. The experimental system comprises a real-time digital simulator, a valve-base control electronic device of a multilevel modular converter, and a control protection device of the multilevel modular converter. The real-time digital simulator is connected with the valve-base control electronic device through optical fiber. The real-time digital simulator is connected with the control protection device through optical fiber or a cable. The control protection device is connected with the valve-base control electronic device through optical fiber or a cable. The experimental system is used for closed-loop testing on control performance, protection configuration and functions of the MMC flexible direct-current transmission control protection equipment, and can also be used for function test on valve control equipment. When a system topology changes or primary system parameters are corrected, testing is conveniently achieved by correcting a simulation model. The invention further discloses an experimental method of the experimental system for MMC flexible direct-current transmission control protection equipment.
Owner:NR ELECTRIC CO LTD +2
Device and method for gas bearing shale-seepage-temperature coupling and displacement experiment
ActiveCN103278428AEnables permeability determinationImprove stabilitySurface/boundary effectMaterial strength using tensile/compressive forcesRock engineeringAxial pressure
The invention belongs to the field of rock engineering, and in particular relates to a device and a method for a gas bearing shale-seepage-temperature coupling and displacement experiment. The experimental device comprises a triaxial pressure cavity, an axial pressure loading system, a confining pressure loading system, an upstream gas pressure loading system, an upstream liquid pressure loading system, a downstream gas pressure loading and collecting system, a downstream liquid collecting system, a multi-component mixed gas collecting system, a vacuumizing device, a heating system and a data collection control system. The experimental method comprises the following steps of: fixing a test piece; applying confining pressure; applying axial pressure; heating; vacuumizing; applying upstream liquid pressure (or pre-saturated methane); applying upstream gas pressure (or applying upstream gas pressure); injecting multi-phase mixed fluid (or applying another upstream liquid pressure); performing pre-adsorptive saturation by the test piece (injecting multi-component constant-proportion mixed gas); and collecting. The experimental device can be used for applying triaxial stress to the test piece according to the actual stress condition, and remolding a stress environment according to the fact.
Owner:NORTHEASTERN UNIV
Water-gas two-phase adsorption-desorption-seepage experimental system and method for loaded coal containing methane
ActiveCN102901803AAccurate detectionAccurate measurementFuel testingPermeability/surface area analysisWater bathsHigh pressure
The invention discloses a water-gas two-phase adsorption-desorption-seepage experimental system and method for loaded coal containing methane. The water-gas two-phase adsorption-desorption-seepage experimental system for loaded coal containing methane comprises a pressure loading part, wherein the pressure loading part comprises a tank body for containing a constant-temperature water bath, a reference pot and a coal sample holder are arranged in the tank body, the gas inlet of the reference pot is connected with a high-pressure methane delivery pipeline, the gas outlet of the reference pot is connected with the gas inlet of the coal sample holder through a connecting pipeline, and the gas outlet of the coal sample holder is connected with a water-gas separation device. The water-gas two-phase seepage experimental method for loaded coal containing methane is carried out on the basis of the experimental system. By changing different loading conditions, loading paths and experimental temperatures, adsorption-desorption experiments and methane seepage experiments for the loaded coal containing methane under the conditions of different solid-gas thermal coupling can be realized, and water-gas two-phase seepage experiments and methane adsorption-desorption experiments under the condition of different moisture contents also can be realized.
Owner:HENAN POLYTECHNIC UNIV
Test method for deep rock explosion process model
ActiveCN101051011ARock Burst Prevention and ControlMaterial strength using tensile/compressive forcesExperimental researchExperimental methods
A model testing method of deep rock burst includes carrying out true three shafts loading on rock burst simulation unit then applying unload at single surface, carrying out rock burst test on rock body when load is charged and discharged for realizing rock burst model test in laboratory.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Electromagnetic induction type Hopkinson torsion and pressure bar loading device and experimental method
ActiveCN105571961AStable incomingEasy to controlMaterial strength using tensile/compressive forcesApparatus for force/torque/work measurementCapacitanceExperimental methods
The invention discloses an electromagnetic induction type Hopkinson torsion and pressure bar loading device and an experimental method. An anode output line of a capacitance charger is connected with an anode line of a loading gun while a cathode output line of the capacitance charger is connected with a cathode line of the loading gun, and consequently both compressive stress waves and tensile stress waves can be generated, and application to loading of Hopkinson torsion and pressure bars is realized. Loading systems of the Hopkinson torsion and pressure bars can be arranged on the same device, the strain rate and the strain range which are beyond the reach of traditional split Hopkinson torsion and pressure bar experiments are realized to further realize technical standardization of the Hopkinson torsion and pressure bar experiments, integration of torsion and pressure bar experiment devices is realized, and accordingly equipment complexity and space occupancy are reduced.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
True triaxial rock loading and unloading disturbance test device and using method thereof
PendingCN106198264AGuaranteed simultaneous loading and compressionGuaranteed loading under pressureMaterial strength using repeated/pulsating forcesExperimental methodsEngineering
The invention discloses a true triaxial rock loading and unloading disturbance test device. The device comprises a vertical loading device and a horizontal loading device, which are orthogonally distributed, wherein the vertical loading device is hollow; load cylinders are arranged on, below, in the front of and at the rear of the vertical loading device; pressure transfer pillars are arranged at the left and right ends of the horizontal loading device and are driven by the load cylinders to achieve six-side stress loading simulation of a specimen. The device has the beneficial effects that an unloading rockburst experimental method for suddenly unloading the single-side stress of the rock specimen and a loading rockburst experimental method for increasing the vertical load after single-side sudden unloading are obtained on the basis of the true triaxial three-direction six-side stress state.
Owner:ANHUI UNIV OF SCI & TECH
Visualization microscopic experimental device and method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide
ActiveCN106437637AConvenient and effective temperatureConvenient and effective confining pressure sizeOther gas emission reduction technologiesFluid removalMicroscopic scaleHigh pressure
The invention provides a visualization microscopic experimental device and a visualization microscopic experimental method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide, and belongs to the technical field of oil production. The device comprises a model clamper clamping a microscopic visual model, a replacement system, a back pressure system, a confining pressure system, a pressure monitoring system, a temperature control system and an image acquisition system. The device can control temperature and pressure simply and conveniently, has a small use space, is superior in safety performance, is simple and convenient to operate, can accurately simulate an oil reservoir actual condition, can clearly observe oil-gas action changes during carbon dioxide displacement in real time under a visual condition, and has very important significances for researching a precipitation law of asphaltene, the influence of the precipitation law on the recovery ratio, and the widespread use and promotion of a carbon dioxide displacement experiment in the petroleum industry.
Owner:UNIV OF SCI & TECH BEIJING
Integrated style shear apparatus for rock structural plane and a shear experimental method for rock structural plane
ActiveUS20170284911A1Reduce distractionsAvoid mistakesMaterial strength using tensile/compressive forcesMaterial strength using steady shearing forcesHorizontal stressExperimental methods
An integrated style shear apparatus for rock structural plane comprises a frame system, a vertical loading system, a horizontal loading system, and a shearing system. Both the vertical loading system and the horizontal loading system are fixed on, and the shearing system is installed inside the frame system. The shearing system is used to prepare the sample of structural plane and actualize the shear test, the vertical loading system and the horizontal loading system are used to provide normal stress and shear stress for the shearing system respectively. The present invention also provides an experimental method by using the integrated style shear apparatus for rock structural plane, and steps of the method including: sample placement, sample adjustment, sample preparation, sample loading, instrument hookup, exerting normal stress, exerting horizontal stress, measurement and description of shear area, repeating experiment, and normal stress and shear stress calculation. The present invention can effectively reduce sample preparation error and experimental error, and can rapidly and accurately determine shear strength and deformation parameters of rock structural plane.
Owner:POWERCHINA HUADONG ENG COPORATION LTD
Experimental method for evaluating oiliness of unconventionally-compacted shale reservoir stratums
The invention discloses an experimental method for evaluating the oiliness of unconventionally-compacted shale reservoir stratums. According to the method, a closed coring saturation degree and fluorescent lamina technology can be used for effectively evaluating the oiliness of silty mudstones and siltstones; rock pyrolysis, laser co-focusing, a scanning electron microscope and an energy spectrum can be used for effectively evaluating the oiliness of the mudstones and the siltstones; technical indexes are matched with comprehensive application, mutual verification and mutual supplementation to effectively evaluate the microcosmic oiliness of the compacted and shale reservoir stratums. According to the experimental method, the method verification is carried out by taking a Qp1 well of an unconventional oil and gas exploratory well in the Daqing exploratory area as an example to, and new awareness can be obtained. The experimental method for evaluating the oiliness of the unconventionally-compacted shale reservoir stratums provides an experimental technology support to the seven-property evaluation of the oiliness of the unconventionally-compacted shale reservoir stratums and the exploration and development of unconventional oil and gas.
Owner:PETROCHINA CO LTD +1
Electromagnetic-force-based Hopkinson tie/pressure bar stress wave generator and experimental method
ActiveCN103926138AEasy to controlGood repeatabilityMaterial strength using tensile/compressive forcesExperimental methodsAudio power amplifier
The invention discloses an electromagnetic-force-based Hopkinson tie / pressure bar stress wave generation device and an electromagnetic-force-based Hopkinson tie / pressure bar stress wave generation method. The stress wave generation device consists of a loading gun and a power supply system, wherein the power supply system is used for providing instantaneous high current for a primary coil of the loading gun, so as to generate high electromagnetic repulsive force between the primary coil and each secondary coil. A capacitor is short in discharge time and high in discharge current, so that instantaneous high repulsive force can be generated between the primary coil and each secondary coil to generate high stress pulses, and the stress pulses are output to Hopkinson bars after being amplified by a tapered amplifier. According to the device and the method, an electromagnetic riveter is structurally improved to be applied to the loading of the separable Hopkinson pressure bars and tie bars, so that loading systems of the Hopkinson pressure bars and tie bars can be simultaneously implemented on a same device; the device and the method have the characteristics of simplicity in operation and high controllability.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Rotary liquid comprehensive experimental instrument and experimental method
InactiveCN1888858AImprove teaching qualityIncrease contentFlow propertiesGravitational wave measurementElectricityCircular disc
One rotate liquid integrated experimental instrument relates to running framework, speed controlling and adjusted module, speed measuring and display module, laser and measure part. Running framework is inside of the box and the disk on the top of the box fixed with bearing of electrical machinery moves with it; the box plate owns timing switch, positive and negative turning dialing switch, speed number display and laser electrical source. There are two vertical support poles with scales which measures and fixes measuring parts of the different experiment content and adjusts the position and direction. The rotate liquid integrated physics experimental instrument is fit for acceleration of gravity, viscosity factor measure and research of optics system that combines mechanics, electricity and optics.
Owner:ZHEJIANG UNIV
Digital ship model planar motion mechanism experimental method based on CFD software
InactiveCN101246515AAchieve pure swaying motionAccurate settingSustainable transportationSpecial data processing applicationsVertical planeResearch Object
The invention provides a digital ship model plane motion organization experimental method based on computation fluid dynamics CFD software FLUENT. The method includes applying a FLUENT pre-process software GAMBIT to establish a research object model and a control domain; arranging a triangle grid on the model surface, then arranging a unstructured grid in the control domain; setting the boundary condition, joining an user-defined function UDF document, introducing dynamic grid technology, using a finite volume method based on the complete unstructured grid, realizing a pure swaying movement, a pure rising and falling movement, a pure oscillatory movement, a pure pitching movement and a pure rolling movement carried on by a plane motion organization experiment; applying a science computation software MATLAB to do Fourier expansion of a force and a moment coefficient obtained by the FLUENT, being fitted by EXCEL least squares method, obtaining a hydrodynamic force coefficient of a vertical plane and a horizontal plane as well as the related hydrodynamics analysis by dimensionless. The invention carries on the digit plane motion organization experiment using the CFD software, can satisfy the request of hydrodynamic force data in the design initial period of a submersible.
Owner:HARBIN ENG UNIV
Experimental apparatus and method for obtaining multi-source diagnostic information of hydraulic equipment
InactiveCN101413521ALow efficiencySimple and fast operationFluid-pressure actuator testingSelf organizing map neural networkGear pump
The invention relates to an experimental device and an experimental method for multi-source information fusion for fault diagnosis of a hydraulic device. The device comprises the following elements: a variable plunger pump, a gear pump, two motors, two suction filters, five throttle and stop valves, two electromagnetic relief valves, an electromagnetic proportional relief valve, two pressure meters, an energy accumulator, two sets of combined sensors, a three-position four-way electromagnet directional valve, a hydraulic motor and a cooler. The experimental device can simulate eight typical running states (faults) of the hydraulic device, including low efficiency, oil and liquid pollution, air suction, leakage, oil pump fault, relief valve failure, motor failure and mechanical failure and can perform cluster analysis and fusion diagnosis to characteristics of the eight faults through a self organizing maps neural network.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Hydraulic power pulse oil displacement experimental facility and experimental method thereof
ActiveCN101975053AImprove work efficiencyEnhanced overall recoveryFluid removalVibration devicesExperimental methodsWater storage tank
The invention discloses a hydraulic power pulse oil displacement experimental facility and an experimental method thereof. The experimental facility comprises a core clamping device, an annular pressure supply device, a hydraulic power pulse wave generating device, a water storage tank and an oil storage tank which are connected with the liquid inlet of the core clamping device by virtue of a water pipeline and an oil pipeline as well as a liquid container which is connected with the liquid outlet of the core clamping device; wherein the water pipeline and the oil pipeline are all provided with an intermediate container, a pumping device used for generating high pressure liquid flow and an energy storage tank. The experimental method includes the following steps: firstly, oil displacementexperiment is carried out under the condition that no hydraulic power pulse is added; secondly, oil displacement experiment is carried out while frequency and amplitude hydraulic power pulse wave of core are replaced, and meanwhile hydraulic power pulse auxiliary chemical oil displacement experiment is completed; thirdly, data processing is carried out. The invention has reasonable design, mounting convenience, simple operation and good simulation effect, can improve efficiency of oil displacement by water and crude oil recovery ratio, and experiment of hydraulic pulse wave oil displacement and hydraulic pulse wave auxiliary reservoir core oil displacement by water can be realized.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Indoor experiment shaft device and method for synchronous or asynchronous multistage clustering fracturing of two horizontal wells
ActiveCN104832169AGuaranteed reliabilityObservation distributionFluid removalComputational scienceExperimental research
The invention provides an indoor experiment shaft device for synchronous or asynchronous multistage clustering fracturing of two horizontal wells and a simulation method. The device and simulation method are used for indoor experiment simulation of synchronous or asynchronous multistage clustering fracturing of two shale horizontal wells. A designed multistage clustering fracturing experiment shaft can simulate influences of the number of horizontal well fracturing segments, number of perforation clusters, perforation parameters and the like on synchronous or asynchronous fracturing fracture shapes. The experiment scheme comprises the six steps of making of an experiment scheme, machining of a special experiment shaft, machining of a test piece, preparation of fracturing fluid, an extended experiment of fracturing fractures, and CT scanning of an experiment result. The novel fracturing experiment shaft and method are provided for shale reservoir fracturing research, can simulate the joint network fracturing fracture distribution of a reservoir in multistage clustering synchronous fracturing of two horizontal wells or multistage clustering asynchronous fracturing of two wells front and back, and can provide theoretical support for shale reservoir fracturing experiment research and fracturing construction.
Owner:CHONGQING INST OF GEOLOGY & MINERAL RESOURCES
Li-la-ti-o composite solid electrolyte material containing silicon and synthesizing method thereof
ActiveUS20110059369A1Easy to implementImprove conductivitySecondary cellsSolid electrolyte cellsExperimental methodsAmorphous silicon
The invention relates to a lithium lanthanum titanate composite solid electrolyte material containing silicon in which amorphous Si or an amorphous Si compound exist in a grain boundary between crystal grains, and a method of producing the same, and belongs to a field of a lithium ion battery. According to the invention, the amorphous Si or the amorphous Si compound exist in the grain boundary between the crystal grains of the lithium lanthanum titanate. The amorphous Si or the amorphous Si compound are introduced into the grain boundary by employing a wet chemical method. In the wet chemical method, the inexpensive organosilicon compound is used as an additive, and the organosilicon compound is added into the lithium lanthanum titanate solid electrolyte material. Thus, it is possible to synthesize the lithium lanthanum titanate composite solid electrolyte material containing silicon by performing sintering when the ratio of mass of the Si or mass of the Si calculated based on mass of the Si compound to mass of the lithium lanthanum titanate is 0.27% to 1.35%. Grain boundary conductivity thereof is significantly improved, and therefore, total conductivity is improved. In addition, processes of the experimental method are simple and easily performed. Also, an experimental period is greatly reduced, a synthesis temperature is reduced, and energy consumption and production cost are reduced.
Owner:TOYOTA JIDOSHA KK +1
Experimental device and method for simulating stratum deformation in NGH (natural gas hydrate) exploiting process
The invention discloses an experimental device for simulating stratum deformation in an NGH (natural gas hydrate) exploiting process. The experimental device comprises a reaction kettle, an axial pressure piston, a kettle outer jacket, an injection system, an axial pressure control system, an ambient pressure control system and an output system. The invention further discloses an experimental method for simulating the stratum deformation in the NGH exploiting process by adopting the experimental device. The method comprises the following steps: in a hydrate generation process, ice powder particles in proper particle size are prepared through an ice powder production system, ice powder is mixed with dried submarine sediment particles, and hydrate samples with different occurrence forms and different saturation degrees can be generated. Axial deformation quantity of a sample cavity as well as gas output, water output and sand output data is calculated in an exploiting experiment. According to the experimental device and the experimental method, the influence of the hydrate samples under various geological conditions and with different occurrence forms on the stratum deformation in a decomposition process can be simulated, basic data of the influence of decomposition of NGH on the stratum deformation are obtained, and the experimental foundation and basis are provided for real NGH exploiting.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
Pore network model-based calculation method of three-phase relative permeability
InactiveCN105021506AReproduce the physical process of flowPermeability/surface area analysisExperimental methodsRock core
The invention relates to a pore network model-based calculation method of three-phase relative permeability. Based on the construction of a pore network model, an underground rock pore structure is reproduced, and under the condition of coexisting of oil-gas-water three phases inside the rock core, flow of fluids is simulated to obtain three-phase relative permeability. By the utilization of an orthogonal design method during the process, design parameters which fit the best with a two-phase relative permeability curve obtained by an experimental method are selected so as to simulate three-phase flowing based on the pore network model. According to the invention, fluid physical properties and rock structure parameters are fully considered, and the physical process of fluids flowing in a porous medium can be well reproduced. Two-phase flow is very easy to realize by a physical experimental method, and the constructed pore network model is greatly screened during the process of matching results of the two-phase flow experiment.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Single rotor wing unmanned aerial vehicle three-freedom degree semi-physical simulation platform and experimental method
InactiveCN103365214AImprove efficiencyImprove practicalitySimulator controlPosition/course control in three dimensionsEngineeringHelicopter rotor
The invention discloses a single rotor wing unmanned aerial vehicle three-freedom degree semi-physical simulation platform and an experimental method. According to the simulation platform, a single rotor wing helicopter is arranged on a universal ball joint on a top end of a three-freedom degree aircraft rotary table; an airborne attitude sensor is arranged at a geometric central part of the single rotor wing helicopter; an airborne assistant controller is arranged in the single rotor wing helicopter; the airborne attitude sensor and the airborne assistant controller are respectively connected with a simulation controller system; and the simulation platform further comprises a displacement variation virtual scene on-line display computer which is connected with the simulation controller system. The method comprises the steps of: according to a simulation task, utilizing modules and controls in an x-PC toolbox to operate Simulink software on a host computer, and building a model block diagram for a simulation system. By utilizing the simulation platform and the experimental method, the high efficiency, practicability and dependability of a single rotor wing helicopter controller design are improved; and experiments can be safely carried out, an unmanned aerial vehicle flight control algorithm can be visually simulated, and the attitude information of the single rotor wing helicopter can also be actually shown.
Owner:TIANJIN UNIV
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