45 results about "Laboratory experiment" patented technology

A method and a system for optimization of development by carbon dioxide injection based on incomplete miscibility characteristics are provided, where the method includes following steps: building a three-dimensional reservoir model based on laboratory experiments and reservoir values, where the three-dimensional reservoir model includes: a fluid model and a reservoir model; based on the three-dimensional reservoir model, obtaining incomplete miscibility characteristics of reservoir development by carbon dioxide injection; and completing whole life cycle optimization development of carbon dioxide injection based on the incomplete miscibility characteristics.

The invention provides an experimental task scheduling method and device for an intelligent laboratory, and is applied to a server in a laboratory system of a target laboratory, and the method comprises the steps: obtaining an experimental task pool; determining a priority weight according to the task sensitivity level and the predicted time consumption of each experimental task; determining equipment execution information according to each task type; determining a task execution queue corresponding to each preset reference experimental device in the target laboratory according to the device execution information and the priority weight corresponding to the plurality of experimental tasks; and converting the task execution queue into an operation instruction sequence to control the experiment robot in the target laboratory to execute the experiment task through the reference experiment equipment. Thus, the server achieves the process from experimental task scheduling to robot driving equipment execution based on the equipment execution information and the priority weight, an end-to-end automatic process is constructed, the intellectualization of a target laboratory is improved, the equipment resource utilization rate is effectively increased, and the task execution period is shortened.

The invention discloses a carbonate rock pore retention mechanism simulation method under an ultra-deep heat-fluid-solid coupling effect, and relates to the technical field of rock physics. The method comprises the following steps: preparing a carbonate rock sample, obtaining a CT scanning slice image of the carbonate rock sample, extracting three-dimensional pore information, preparing a plunger sample in a laboratory, carrying out a quasi-triaxial experiment, calibrating mesoscopic parameters by using a laboratory test result, constructing a carbonate rock model, and arranging a measuring ball in the carbonate rock model, the method comprises the following steps: dynamically monitoring the change of porosity and pore pressure, determining a strength reduction function of carbonate rock through a laboratory experiment, applying a true triaxial compression servo environment in which a temperature field and a stress field cooperatively change to a carbonate rock model, and performing true triaxial experiment numerical simulation by using the carbonate rock model. The internal pore condition of the carbonate rock in each evolution stage is obtained, the pore retention mechanism of the carbonate rock under the ultra-deep heat-fluid-solid coupling effect is determined, and technical support is provided for research of carbonate rock reservoirs.

The utility model discloses a dioxin detection laboratory utensil cleaning device which comprises a box body, a first cavity, a second cavity, a connecting pipe, a water outlet pipeline and an air blower are arranged in the box body, an alkaline organic solvent is stored in the first cavity, the second cavity is used for placing a utensil to be cleaned, and the first cavity is communicated with the second cavity through the connecting pipe; a water outlet is formed in the bottom end of the second cavity and connected with a water outlet pipeline, an air inlet pipe is arranged on the side wall of the box body, one end of the air inlet pipe is communicated with an air blower, and the other end of the air inlet pipe is communicated with the second cavity; an ultrasonic generator is arranged in the second cavity, and a dioxin photolysis assembly is arranged at the top of the second cavity, so that the vessel is efficiently cleaned, the vessel is free of dioxin residual pollution, and the accuracy of a detection analysis result is improved; and the workload of experimenters in a dioxin laboratory and the opportunity of contacting dioxin pollutants are reduced, and the working efficiency and health of the experimenters are guaranteed.

This invention provides a method, system, and storage medium for determining the blasting time interval in open-pit mines. The method includes: determining the disturbance frequency that has the greatest impact on pore water pressure in soil and rock mass based on field monitoring and laboratory experiments, simulating extreme and dangerous working conditions; dynamically disturbing the sample based on this frequency, judging the consolidation state according to the pore pressure dissipation and creep rate after disturbance, and recording the stable consolidation time T when the conditions are met, obtaining time series at different blast center distances; performing a secondary disturbance after time T, quantitatively evaluating the consolidation effect based on the changes in peak pore pressure and permeability coefficient before and after the secondary disturbance; judging and correcting time T based on the evaluation results, and finally determining the safe time interval for macroscopic blasting operations. This invention can simultaneously consider pore pressure dissipation and soil skeleton deformation, accurately identify the consolidation state and structural damage of soil and rock mass, and provide a scientific and safe basis for time interval decision-making for high-frequency blasting operations in open-pit mines.

This invention relates to the field of artificial intelligence laboratories, specifically an artificial intelligence laboratory with real-time data analysis capabilities for intelligent manufacturing. The laboratory includes a laboratory platform fixedly installed at the lower end of its inner cavity, and a motor-driven detection ring at the upper end. The detection ring has a probe telescopically mounted on one side of the inner cavity. A processing table is located at the upper end of the experimental platform. The advantages are: by using a telescopic rod to lower the pull rope, the clamping blocks are clamped and secured; the four sets of clamping blocks in a circular array move simultaneously towards the center; when the clamping blocks reach their limit positions, the center of the circular workpiece coincides with the origin, thus achieving convenient and rapid positioning; the workpiece is secured by a fastening pressure rod on the clamping block. Rotational pressing can easily cause positional displacement; the squeezing of the rotating rod provides a vertically downward clamping force, preventing workpiece displacement and further improving the workpiece installation accuracy.

The utility model relates to the technical field of experimental equipment, in particular to a support for laboratory experimental operation, a plurality of bottom rings and top rings are arranged at the upper end of a bottom plate, the top rings are located above the bottom rings, second clamping grooves are formed in the inner walls of the top rings and the inner walls of the bottom rings, second springs are arranged in the second clamping grooves, and the second springs are arranged in the second clamping grooves. A second clamping block is arranged at one end of the second spring, and through cooperation of the second clamping block and the second spring, the device can adapt to test tubes with different diameters; through cooperation of a third clamping block, a third spring and a third clamping groove, the height of a top ring can be adjusted to adapt to test tubes with different heights, the storage capacity of the test tube support for the test tubes with different specifications is greatly improved, and the applicability is higher.

The invention discloses an intelligent control system based on a laboratory and an animal laboratory, and relates to the technical field of intelligent laboratories, and the system comprises a sensing device which comprises a visual module and an environment information collection module; the vision module covers a laboratory experiment area and an animal feeding area, and the environment information acquisition module is used for acquiring laboratory indoor and animal feeding environment parameters; the central control center establishes data connection with the sensing equipment and at least two basic equipment in the laboratory; the central control center is configured to obtain detection data fed back by the sensing equipment; performing preset emergency judgment analysis according to the detection data to obtain a judgment result; identifying the functions of the basic equipment which establishes the connection, and searching a pre-established database to obtain a matched linkage control scheme in combination with a judgment result; and acquiring real-time operation data fed back by the basic equipment, loading the linkage control scheme, and controlling the basic equipment to respond. According to the invention, the collaboration between laboratory public infrastructures is improved.

The application discloses a kind of multi-station collaborative flow line type ability verification sample online distribution method and system, specifically 1, for each sample preparation mark is made;2, sample is evaluated;3, laboratory mark is set and is associated with laboratory;4, laboratory sets sample combination and is associated with distribution number;5, for laboratory allocation sample and for the sample associated with distribution number of allocation;6, sample associated with distribution is packed express delivery.The application avoids the situation that ability verification sample is sent wrong or wrong mark, provides solid data support for sample traceability, and guarantees confidentiality and impartiality.

The utility model relates to the technical field of concrete production, in particular to a concrete experiment stirring device which comprises a concrete experiment stirring mechanism, and the concrete experiment stirring mechanism comprises a first fixing plate, a supporting column, a supporting base, a movable pulley, a first feeding device and a second feeding device. When the equipment is operated, the concrete storage bin is filled with concrete needing to be mixed, the putting amount of the concrete is set, the concrete is put into the detachable stirring bin, the concrete is stirred through the stirring plate, and the concrete is taken out from the stirring outlet after stirring is completed; the concrete experiment stirring mechanism has the advantages that the concrete experiment stirring mechanism is more convenient to maintain and clean due to the fact that the detachable stirring bin is assembled, the detachable stirring bin can be detached for thorough cleaning after each time of concrete stirring is finished, and the concrete experiment stirring mechanism is more convenient to clean. And mixture residues among different experiments can be avoided.

The invention belongs to the technical field of oil and gas field development, and discloses a method for determining the lower limit of the CO2 content in CO2 flooding development reinjection gas, which comprises the following steps: S1, investigating the CO2 content range in the block output gas; s2, designing gas reinjection schemes with different CO2 contents; s3, through a crude oil component model / indoor test, MMP after the reinjection gas with different CO2 contents is in contact with the in-situ crude oil is obtained; s4, drawing an intersection by taking the CO2 content as an x axis and MMP as a y axis; and S5, analyzing to obtain the lower limit of the CO2 content when the reinjection gas is in contact with the in-situ crude oil to achieve a mixed phase. According to the method, the process of judging whether the produced gas containing CO2 can be used as the reinjection gas or not is systematically elaborated on the basis of actual data of the mine field in a numerical simulation or indoor experiment development mode, the judgment hysteresis in the mine field practice process is eliminated, the problem that CO2 is used as a newly-developing large thermal oil displacement medium but is insufficient in experience is solved to a certain extent, and the method is suitable for popularization and application. And a new thought is provided for treating CO2-containing output gas in a subsequent mine field.

A method and a system for optimization of development by carbon dioxide injection based on incomplete miscibility characteristics are provided, where the method includes following steps: building a three-dimensional reservoir model based on laboratory experiments and reservoir values, where the three-dimensional reservoir model includes: a fluid model and a reservoir model; based on the three-dimensional reservoir model, obtaining incomplete miscibility characteristics of reservoir development by carbon dioxide injection; and completing whole life cycle optimization development of carbon dioxide injection based on the incomplete miscibility characteristics.

This invention discloses a design method for profile control systems and performance indicators, including establishing an application template for the profile control system; initially selecting the type of profile control system; determining the profile control system; determining the profile control system indicators; and optimizing the profile control system product. The method of this invention is applicable to the design of profile control systems and performance indicators for all oilfields. The method is universal and helps to standardize the design process and improve design quality. This invention organically combines laboratory experiments with field practice, making the design more able to meet the requirements of field reservoir applications, and also contributing to the timely summarization and improvement of profile control technology.

The utility model discloses a laboratory quantitative infusion control system, and relates to the field of laboratory experiments, the laboratory quantitative infusion control system comprises a base, a supporting rod is fixed on the base, a supporting block is arranged on the supporting rod, a stirring motor is fixed on the supporting block, a plurality of quantitative pumps are arranged on the stirring rod, and the quantitative pumps are arranged on the stirring rod. A plurality of metering pumps are arranged on the base, a lifting adjusting mechanism is arranged between the metering pumps and the supporting block, a water bath kettle is fixed on the base, a stirring tank is arranged in the water bath kettle, and a water bath adjusting mechanism is arranged between the stirring tank and the water bath kettle. The stirring tank is supported by the water bath adjusting mechanism, then the height of the supporting block is adjusted by the lifting adjusting mechanism, the stirring rod extends into the stirring tank, and then the height of the metering pump is adjusted by the lifting adjusting mechanism, so that the stirring rod can conveniently adapt to stirring tanks with different depths, and the metering pump can adapt to the height of the stirring tank.

A constitutive model and parameter calibration method for permafrost considering temperature and time effects are proposed, including: construction of the basic model framework; laboratory experiments and construction of core equations; construction of elastoplastic constitutive relations; construction of stress-strain relations considering temperature and time effects; and inversion calibration of model parameters. Through the progressive and synergistic implementation of the above steps, this method realizes a systematic R&D process from theoretical framework to experimental verification and then to parameter calibration, effectively solving the problem of modeling the complex mechanical behavior of permafrost under the coupled effects of temperature and time.

The invention provides an indoor experiment evaluation method for rock damage and deterioration caused by circulating energy storage, and belongs to the technical field of geological hydrogen storage, and the method comprises the steps: carrying out the first scanning of a rock sample, and obtaining a rock internal structure picture before an experiment; the rock samples are assembled; a controller in the circulating storage and release control module is utilized to repeatedly inject and exhaust gas into and from the rock core assembly, and multiple circulating storage and release experiments are completed at different pressure intervals and different gas injection rates; under the assembly condition of the circulating storage and release experiment, the permeability test module is used for injecting gas into the rock core assembly, and the rock permeability is obtained through calculation; and obtaining damage condition data of the rock sample by combining the rock internal structure picture before the experiment and the rock internal structure picture after the experiment. By means of the indoor experiment evaluation method for rock damage and deterioration caused by circulating energy storage, hydrogen can be circularly stored and released, meanwhile, damage evaluation can be conducted on a salt rock sample, and the rock damage monitoring and characterization accuracy is improved.

The invention discloses a carbonate reservoir online variable-viscosity acid fracturing acid etching joint length calculation method, which comprises the following steps: S1, testing the viscosity of online acid liquor at different temperatures, densifier concentrations, shear rates and time through an indoor experiment, and constructing a viscosity dynamic change relational expression of the online acid liquor in a shaft and a crack; s2, establishing an acid etching hydraulic fracture model considering online acid liquid viscosity dynamic change, and calculating acid liquid concentration distribution after acid injection is finished; and S3, calculating the acid etching seam length according to the acid liquor concentration distribution calculated in the step S2. According to the method, the influence of the dynamic change of the online acid viscosity on the acid etching seam length can be evaluated, and the method has guiding significance on the design of an online variable-viscosity acid fracturing scheme of an ultra-deep carbonate reservoir.

The invention provides a method for performing a bioassay experiment on plutella xylostella by using artificial feed, and belongs to the technical field of pesticides. The bioassay experiment method comprises the following steps: preparing an artificial feed; the method is actually used for operation steps of plutella xylostella. According to the experiment, after the artificial feed is prepared, the artificial feed is prepared into small blocks by a puncher, and the small blocks are put into a solution to be soaked, so that compared with a traditional bioassay experiment method, the effect that the plutella xylostella larvae eat actual soaked substances in a bioassay cup can be ensured, and the accuracy of the experiment is improved.

The utility model discloses a liquid adding device, relates to the field of laboratory instruments, and aims to solve the problem that the surface flatness of an adsorbent column is damaged due to traditional direct liquid adding. According to the liquid adding device, a first flow guide component comprises a connecting pipe with one end leading in liquid and a drainage piece, the drainage piece is arranged in the connecting pipe, a circulation gap is formed between the drainage piece and the inner wall of the connecting pipe, and the drainage piece is used for draining the liquid to the circulation gap to flow out; one end of the second flow guide part is communicated with the other end of the connecting pipe, the second flow guide part is a hollow cylinder with a conical inner wall close to one end of the connecting pipe, and the other end of the second flow guide part is close to the inner wall of the chromatographic column and enables liquid to flow out along the edge of the bottom end. After being poured, liquid falls to the drainage piece along the connecting pipe and is blocked by the drainage piece, and downwards flows to the conical surface of the second flow guide part from the circulating gap by clinging to the inner wall of the connecting pipe, so that the speed of the liquid flowing to the edge of the bottom end of the second flow guide part is slowed down, and the damage to the surface flatness of an adsorbent column caused by the liquid flowing into the chromatographic column after liquid adding is reduced.

A multisensory augmented reality chemistry system is introduced that delivers auditory feedback alongside visual augmentations of laboratory experiments. The system uses a video see-through AR display to overlay virtual chemical substances and reactions onto a real physical environment, including a tangible lab vessel analog. The physical vessel analog is outfitted with a sound output device (such as a small speaker or transducer) that is controlled by the AR system's processor. A unique marker on the vessel allows the system to identify the vessel and load specific audio-visual profiles from memory. As the user performs virtual experiments—pouring a liquid, mixing solutions, or witnessing a reaction—the system generates corresponding audio cues (e.g. the sound of liquid pouring, gentle boiling, or a reactive fizz) from the vessel's sound output device in sync with the on-screen virtual visuals.

The present application relates to the technical field of oilfield production engineering, and particularly relates to a wellbore plugging agent evaluation method and a wellbore sealing integrity evaluation device. The present application mainly solves the problem that the existing wellbore plugging agent evaluation method cannot evaluate the performance of the plugging agent under the working conditions of high pressure, high CO2 and other acid gas wells. The present application comprises the following steps: selecting a plurality of plugging agents with different formulations according to the working conditions of the experimental area, and respectively performing basic performance testing, injection performance testing, interfacial cementation strength evaluation and corrosion performance evaluation; performing long-term corrosion resistance experiment on the plugging agent; and using the wellbore sealing integrity evaluation device to perform full-size wellbore sealing integrity evaluation experiment on the plugging agent. The wellbore plugging agent evaluation method optimizes different plugging agents through laboratory experiments, and simulates the actual production conditions through full-size experiments, so as to finally screen out the plugging agent that meets the field working conditions, thereby providing guarantee for efficient treatment of gas wells.

This invention relates to a safe handling, fixing, and physiological measurement device for facilitating the fixing of a mouse / rat used as a laboratory animal in experiments and enabling precise measurements to be made during laboratory experiments, characterized in that it comprises: body (7) made of transparent material to allow easy observation of laboratory animal movements from the outside, ventilation holes (7.1) formed to facilitate blood collection at the desired area, an outer cover (1) which can be opened and closed upwards to prevent the mouse / rat from escaping, an inner cover (2) that provides the clamping action necessary to fix the laboratory animal, a fixing mechanism (4) that prevents movement of the head of the laboratory animal, a rail (6) that allows the inner cover (2) and the fixing mechanism (4) to move up and down in a vertical direction, a sensor system (5) that enables accurate measurement of physiological parameters and wireless transmission of data.

The present invention discloses a method for adding a temporary plugging agent in dynamic temporary plugging of a tight gas horizontal well, comprising the following steps: S1. establishing a single-cluster hole abrasion model using Ansys finite element analysis software; S2. calibrating the model through an indoor hole abrasion experiment; S3. simulating the fracturing process using the model in S1 and obtaining the hole friction resistance P. perf , hole diameter after pressing D ave ; S4. After the fracturing, perform a step-down test and obtain the total hole friction resistance P through the fracturing analysis software perf总 S5. Determine the number of perforation clusters to be opened and determine the dosage of temporary plugging agent. The method for adding temporary plugging agent for dynamic temporary plugging of tight gas horizontal wells provided by this invention combines laboratory experiments with numerical simulations to achieve precise placement of temporary plugging agent, improve the success rate of dynamic temporary plugging, increase the fracturing stimulation volume, and enhance post-fracturing production capacity.

This invention relates to an indoor experimental apparatus and method for optimizing the structure of a bottom-hole alternating flow field generator. A lifting device is fixed at the center of the top of the test frame, and a top drive device is suspended at the lower end of the lifting device. A drill pipe is connected to the lower end of the top drive device, and a pulse generator and a PDC drill bit are screwed onto the lower end of the drill pipe. A transparent return channel is located below the PDC drill bit. The drain outlet of the transparent return channel is connected to a vibrating screen via a drain pipe and a drain valve. The vibrating screen is fixed above the mud tank. The inlet pipe of the mud pump is inserted into the lower part of the mud tank, and the outlet of the mud pump is connected to a high-pressure manifold. The outlet of the high-pressure manifold is connected to the inlet of the top drive device. A rock sample is placed below the PDC drill bit and fixed in the transparent return channel. Drilling mode experiments are conducted first, followed by bottom-hole flow field characteristic testing mode experiments to evaluate the performance of the pulse generator. This invention obtains the pulse jet-assisted rock-breaking effect under different parameters through experiments, which is beneficial for structural optimization and improving drilling speed.

Techniques of the present disclosure relate to validating data for a composition design. A method comprises applying a machine learning model to at least two inputs comprising parameters of a cement composition and experimental conditions such that the machine learning model outputs at least one predicted property of the cement composition; performing a laboratory experiment to determine at least one experimental property of the cement composition; calculating an error between the at least one predicted property and the at least one experimental property; and recording the experimental data in a cement property database if the error is within an error range or repeating the performing the laboratory experiment if the error is outside the error range.

This invention discloses a perfluorohexanone (PFH) fire extinguishing performance testing system and method, comprising a PPH storage tank and a laboratory. The PPH storage tank is located outside the laboratory and is connected to the laboratory via a pipeline. An oil pan is located in the center of the laboratory to simulate a fire source. A thermocouple tree is connected to the upper side of the oil pan to measure the temperature at different flame heights. Multiple first thermocouples are installed at different heights on the side walls of the laboratory to measure temperature changes at different heights. Nozzles are detachably connected to the ends of the pipelines. The nozzles are evenly arranged at a designed spacing, and the spray coverage of the nozzles completely covers the protected area of ​​the laboratory. A high-definition camera and a thermal imaging camera are installed in the laboratory. This invention can monitor the fire extinguishing performance of PPH under different spray pressures and nozzle types, and the test data is accurate.

The application discloses a kind of simulation methods of carbonate rock pore retention mechanism under super deep thermal fluid-solid coupling, it is related to rock physics technical field.The application is prepared by preparing carbonate rock sample, obtains its CT scanning slice image extraction three-dimensional pore information, after laboratory preparation plunger sample is carried out pseudo triaxial experiment, laboratory test result is used to calibrate micro parameter after construction carbonate rock model, cooperate in carbonate rock model and layout measuring ball, dynamically monitor porosity and pore pressure variation, by laboratory experiment, determine the strength reduction function of carbonate rock after, carbonate rock model is applied temperature field and stress field collaborative change true triaxial compression servo environment, using carbonate rock model carries out true triaxial experiment numerical simulation, obtains the pore condition inside carbonate rock of each stage evolution, determines the pore retention mechanism of carbonate rock under super deep thermal fluid-solid coupling, provides technical support for carbonate rock reservoir research.

This invention discloses a method and system for calculating fluid parameters in thick, light oil reservoirs, comprising: performing conventional pressure tests and production profile tests on the target reservoir and creating a pressure curve varying with depth; determining, based on the pressure curve, whether the influence of gravity differentiation on fluid properties reaches a preset level; calculating a pressure gradient estimate based on the pressure curve and calculating a first estimated gradient corresponding to the current fluid parameter to be analyzed; selecting a fluid sample from the deepest wellbore and conducting laboratory experiments to obtain the corresponding starting data of the fluid parameters; then, combining the interpretation results of the production profile and the first estimated gradient, using a gradient iteration method to calculate the vertical distribution data of the current fluid parameter to be analyzed. This invention improves the calculation accuracy of the vertical distribution of fluids while reducing the uncertainty risk of fluid prediction.

A method includes placing a metal silicate material in a path of a pre-occurring or co-occurring force. The metal silicates have a first carbon capture rate. A change in at least one of a physical property or a chemical property of the metal silicates are allowed over a period of time to cause the metal silicates to have a second carbon capture rate greater than the first carbon capture rate. In some implementations, an amount of CO2 captured by the metal silicates is quantified through direct measurement, laboratory experiments, modelling, and / or mass balance of the reactants and / or products.

The utility model relates to the technical field of air circulation, in particular to an air supplement type air ventilation circulation mechanism for a laboratory, which can filter fresh air when the fresh air is supplemented into the laboratory, prevents impurities in the air from entering the laboratory to influence the environment, and is convenient to use and high in reliability and practicability. Comprising a bottom plate and a laboratory, the laboratory is installed at the upper end of the bottom plate, and a cavity is formed in the laboratory; the laboratory further comprises an air inlet mechanism, an air exhaust mechanism, a filtering mechanism and a fresh air mechanism, the air inlet mechanism and the air exhaust mechanism are installed on the left portion and the right portion of the laboratory cavity respectively, the air exhaust mechanism is communicated with the air inlet mechanism through the filtering mechanism, the filtering mechanism has a filtering function, the fresh air mechanism is communicated with the filtering mechanism, and the fresh air mechanism has an air conveying function.