582 results about "Fluid injection" patented technology

The invention relates to a non-linear seepage experiment method for gas breaking through a cover layer based on dark field imaging. The method comprises the following steps: placing a microfluidic rock chip on an objective table of a dark field scattering microscope; the injection end of the microfluidic rock chip is connected with a fluid injection module, and the outlet end of the microfluidic rock chip is connected with a downstream outflow pipeline; injecting the formation water solution into the micro-fluidic rock chip until the micro-fluidic rock chip is filled with the formation water solution; opening a gas injection system, and adjusting the dark field scattering microscope until a clear image of a micro-fluidic rock chip pore structure and carbon dioxide displacement formation water is obtained; injecting carbon dioxide with different pressures into the micro-fluidic rock chip, and observing nonlinear seepage migration images of carbon dioxide and formation water in the micro-fluidic rock chip; when it is observed that carbon dioxide migrates to the outlet end of the rock chip, the breakthrough moment is obtained, and the upstream and downstream pressure difference value of the microfluidic rock chip is the breakthrough pressure. According to the method, the nonlinear seepage of the carbon dioxide displacement formation water in the nanopores can be accurately observed, and the breakthrough pressure can be determined.

The invention discloses a Brazilian splitting experiment device and method based on multiple heating modes, and belongs to the technical field of splitting experiments. Comprising a base, a Brazilian splitting clamp, a kettle body, a heating system, a heat transfer fluid injection hole, an axial pressure head, a temperature and pressure monitoring and heat transfer fluid outlet, a magnetic particle imaging system and a high-temperature early warning system, the temperature and pressure monitoring and heat-carrying fluid outlet is used for being connected with an external real-time observation system to conduct temperature and pressure monitoring and serves as an outlet of heat-carrying fluid at the same time. The magnetic particle imaging system is used for observing the distribution state of nano magnetic induction particles in the kettle body; the real-time high-temperature Brazilian splitting experiment can be carried out in multiple heating modes such as convection heating, conduction heating and supercritical fluid heating, the generation and expansion process of cracks in a sample can be monitored in real time, and the device is suitable for testing the strength and crack expansion of rocks under the thermal stress condition possibly encountered in actual engineering.

The invention discloses an experimental device and method for controlling migration and mineralization of ore-forming fluid in a wrinkle deformation process, and belongs to the technical field of ore deposit geology. The device comprises an ore liquid synthesis unit and a mechanical deformation simulation and mineralization analysis unit. The mechanical deformation simulation unit comprises a box body, an extrusion deformation system, a liquid injection system and a heating temperature control system, and can synchronously realize visual analysis of structure extrusion, fluid injection and mineralization precipitation at high temperature. The experimental method comprises the following steps: firstly, preparing a simulated metallogenic fluid containing FeS2 (pyrite); laying simulated surrounding rock and wrinkles in the box body, arranging a separation layer, and heating; extruding the sand layer and injecting fluid to simulate a mineralization process; and slicing, sampling and analyzing after model consolidation, and establishing a mineralization space distribution model. The device is simple in structure and convenient to operate, the whole process of fold extrusion, crack extension, fluid migration and mineral precipitation can be repeatedly represented, and an experimental basis is provided for hydrothermal deposit mineralization mechanism research and prospecting prediction.

The invention discloses a low-permeability rock breakthrough pressure testing method based on schlieren imaging. The method comprises the following steps: putting a test rock sample into a confining pressure cavity of a rock sample holder; the injection end of the rock sample holder is connected with the fluid injection module, the outlet end of the rock sample holder is connected with the schlieren cavity, and the confining pressure cavity is connected with the confining pressure injection module; vacuumizing a pipeline of the testing device, injecting a degassed purified water medium into the schlieren cavity, and then carrying out optical path debugging until a clear schlieren image is acquired; loading confining pressure stress on the test rock sample, injecting water until the test rock sample is saturated, injecting carbon dioxide, observing a schlieren imaging system, recording a schlieren image of carbon dioxide breakthrough by a high-precision camera when the carbon dioxide breaks through the saturated rock sample, recording the breakthrough moment of the carbon dioxide, and recording the upstream and downstream pressure difference value at the moment; the breakthrough pressure is the breakthrough pressure of the carbon dioxide of the tested rock core sample. According to the invention, a trace concentration of carbon dioxide can be visually observed to break through the rock sample, so that the breakthrough pressure of the low-permeability rock can be accurately detected.

The provided is a test system and method for achieving three-directional multiphase seepage in a true triaxial loading process. The test system includes a three-directional multiphase seepage loading cabin including a sample metal frame, a loading frame, an outer plate, a fluid injection module, a fluid recovery module, and six loading indenter modules as well as a fluid injection and measurement system; the sample metal frame is arranged at a center of the loading frame, the outer plate is arranged on the loading frame, the fluid injection module and the fluid recovery module are arranged respectively at an upper part and a lower part of the loading frame, and the fluid injection and measurement system is connected to the three-directional multiphase seepage loading cabin; and the loading indenter modules are arranged in the loading frame from six directions, and the indenters of the loading indenter modules are arranged.

The invention provides an oil shale formation temperature field simulation method and system for fluid injection heating mining, a storage area is divided into a plurality of unit mining spaces according to geologic feature data of the storage area to be mined, a mass conservation operation model corresponding to fluid injection in-situ mining is constructed for each unit mining space based on the principle of mass conservation, and the temperature field of the oil shale formation is simulated. According to the principle that high-temperature fluid carries heat to conduct heat transfer and exchange with a rock mass system in a conduction and convection mode and the influence on a temperature field in a rock mass, an energy operation model corresponding to fluid injection in-situ mining is built; preset initial parameters are introduced, the mass conservation operation model and the energy operation model are solved based on the discrete process, initial mass field data and energy field data are calculated, and then temperature field data of subsequent time are calculated in combination with a Newton iteration method. According to the scheme, the limitation of low precision of existing temperature field simulation is overcome, and rigorous and accurate temperature field space-time distribution of the oil shale under fluid injection heating is obtained.

The invention discloses a CCUS experimental device and method for carbon dioxide flooding and storage, and relates to the technical field of petroleum engineering. The device comprises a three-dimensional oil reservoir physical model, a fluid injection system, a fluid collecting and metering system, a resistivity monitoring system and a fluid migration observation system. The three-dimensional oil reservoir physical model is used for constructing a simulated stratum, and a development well pattern system is installed on the simulated stratum; the fluid injection system is connected with the injection well; the fluid collecting and metering system is connected with the production well; the resistivity monitoring system is provided with a plurality of monitoring points on the simulated stratum; the fluid migration observation system is used for observing a migration path of supercritical carbon dioxide in the three-dimensional oil reservoir physical model; and the distributed optical fiber monitoring system is arranged in the simulated stratum. According to the device and the method, oil reservoir water injection exploitation and CO2 injection oil displacement and CO2 storage stability simulation experiments in the later development period can be realized.

The invention provides a dynamic strength test system and method for a soft rock biaxial Hopins compression bar, and the system comprises an axial impact loading unit which is used for generating an axial impact load; the confining pressure loading unit is used for applying radial confining pressure to the sample; the high-pressure fluid injection unit is used for injecting high-pressure fluid into the sample and simulating different internal water pressure and water saturation conditions; the data acquisition unit is used for recording impact load, confining pressure, internal water pressure and sample dynamic response data in real time; the control system is used for coordinately controlling the axial impact speed, the confining pressure and the internal water pressure value; by integrating the axial impact loading unit, the hydraulic servo confining pressure loading unit and the high-pressure fluid injection unit, a test platform capable of truly simulating a complex stress-seepage coupling environment where the deep soft rock is located is formed; therefore, the synchronous, independent and accurate control of axial dynamic load, constant or dynamic confining pressure and internal pore water pressure is realized.

The invention provides an experimental method and system for researching the hydraulic fracturing crack propagation process, and the method comprises the steps: employing a true triaxial stress simulation module to load stress in the X, Y and Z directions of a sample to simulate an in-situ stress state; a fluid injection control module is adopted to simulate the fluid injection process of the sample in actual fracturing construction; acquiring pressure data acquired by the pressure sensor array and acoustic emission data acquired by the acoustic emission probe; performing timestamp synchronization on the pressure data and the acoustic emission data, and performing feature extraction and time-space association on the pressure data and the acoustic emission data subjected to timestamp synchronization to obtain pressure dynamic response feature information and acoustic emission feature information meeting time-space association conditions; and based on the pressure dynamic response characteristic information and the acoustic emission characteristic information which meet the space-time correlation condition, performing crack propagation process identification on the sample. According to the method, the problem of synchronous association of pressure fluctuation and crack behaviors under the multi-field coupling condition can be solved.

The invention provides a real rock polydimethylsiloxane micro-fluidic chip and a preparation method thereof. The preparation method comprises the following steps: pouring a rock slice by using liquid PDMS to obtain the top layer of the micro-fluidic chip; a second microfluidic chip layer comprising a first L-shaped pressure-bearing pipe, a second L-shaped pressure-bearing pipe and a PDMS sheet layer provided with a fluid injection flow channel and a fluid extraction flow channel is constructed, and the fluid injection flow channel and the fluid extraction flow channel are each provided with an input hole and an output hole which are communicated with the outside of the PDMS sheet layer. Long-distance pipelines of the first L-shaped pressure-bearing pipe and the second L-shaped pressure-bearing pipe respectively extend into the fluid injection flow channel and the fluid extraction flow channel and are attached to the inner walls of the flow channels, and short-distance pipelines respectively extend out of the PDMS sheet layer; assembling and bonding the layers of the micro-fluidic chip in sequence to obtain the real rock polydimethylsiloxane micro-fluidic chip; the injection flow channel output hole and the fluid extraction flow channel input hole make contact with the bottom face of the rock slice. The real rock polydimethylsiloxane micro-fluidic chip provided by the invention is high in reliability and pressure resistance.

Provided is a fluid injection device (10) capable of efficiently administering a drug. A first transport body (11) has a first transport flow path through which a first fluid (21) flows, and a second transport body (12) has a second transport flow path through which a second fluid (22) flows. Positive-side microneedles (13) provided to the first transport body (11) have a first opening and a first flow path to which a positive charge is fixed. Negative-side microneedles (14) provided to the second transport body (12) have a second opening and a second flow path to which a negative charge is fixed. When a current / voltage application means (15) applies a current or voltage between a first electrode (24) disposed in the first transport flow path and a second electrode (25) disposed in the second transport flow path, an ion current flows through the first fluid (21) and the second fluid (22), and the first fluid (21) flows from the first opening toward the outside and the second fluid (22) flows from the second opening toward the outside by electroosmotic flow.

The utility model discloses a microfluid device and a system for researching abnormal migration of solute of a fractured porous medium system. The microfluid device for studying abnormal migration of the solute of the fractured porous medium system comprises a chip and a substrate, wherein the lower surface of the chip is bonded with the upper surface of the substrate; a crack and a porous medium area distributed around the crack are patterned on the lower surface of the chip; the porous medium area comprises a plurality of cylinders, gaps are reserved among the cylinders, and flow channels communicated with the cracks are formed; and a part or all of the cylinders in the porous medium area are provided with notches serving as blind ends. The microfluid system for studying abnormal migration of the solute of the fractured porous medium system comprises a fluid injection device, the microfluid device and a fluid collection device which are connected in sequence.

The invention discloses a deep coal seam and geothermal resource combined mining method which comprises the following steps: S1, sample preparation: mixing different rock powders according to a particle size ratio, and pressing into a rock test piece; s2, preparing the device; loading the processed rock test piece into a supporting sleeve, then loading the supporting sleeve into a clamping structure, sealing through a sealing structure, then connecting an injection system and a temperature monitoring system with the clamping structure, and setting test conditions; s3, starting a test, injecting a fluid into the sample through an injection system to complete the test, and recording the temperature change condition of the test piece in the whole test process and the temperature change condition of the fluid flowing through the test piece at the same time; s4, repeating the test, respectively changing the proportion of the rock test piece, the heating temperature of the test piece, the injection pressure and the water injection rate, repeating the test, obtaining a heat exchange change rule in the hot dry rock mining process through comparison, simulating the coal seam water injection process through an indoor test, and analyzing the prevention and control effect of coal seam water injection by changing the water injection condition. And a basis is provided for improving the heat exchange efficiency.

The application discloses a kind of cross-tectonic period diagenesis simulation device and method.The device includes fluid driving system, reaction solution supply system and at least two groups of tectonic period reaction system connected in sequence, and different reaction systems are used to simulate the temperature and pressure conditions when geological fluid passes through each target layer during cross-tectonic period.The method first restores the geological conditions when geological fluid passes through each target layer during cross-tectonic period according to petrology and geochemistry analysis, combined with tectonic evolution history, burial history and fluid injection history, establishes cross-tectonic period diagenesis model, determines geological fluid type, and then determines the process of geological stress driving high-pressure layer fluid to migrate to low-pressure layer, restores the geological conditions when geological fluid passes through each target layer during cross-tectonic period;According to the restored geological process and geological conditions, the forward simulation of fluid dissolution, cementation, metasomatism and other diagenesis during cross-tectonic period is carried out by using cross-tectonic period diagenesis simulation device.Provide basis for judging the diagenetic mechanism of reservoir rock after high temperature and high pressure and multi-stage tectonic evolution.

A compressor includes a housing, a first compression mechanism and a second compression mechanism disposed in the housing, and a housing cover fixed to the housing. Both the first compression mechanism and the second compression mechanism are configured to compress a working fluid from a suction pressure to a discharge pressure. The first compression mechanism includes a first cylinder housing having a first fluid storage plenum. The second compression mechanism includes a second cylinder housing having a second fluid storage plenum. The housing cover defines an intermediate-fluid port in fluid communication with the first fluid storage plenum via a first intermediate-fluid passage and the second fluid storage plenum via a second intermediate-fluid passage. Working fluid at an intermediate pressure enters the intermediate-fluid port. The intermediate pressure is greater than the suction pressure and less than the discharge pressure.

A fluid monitoring system includes at least one injection wellbore formed from a terranean surface into a subterranean formation; a fluid injection assembly configured to circulate a fluid through the at least one injection wellbore and into the subterranean formation; at least one monitor wellbore formed from the terranean surface into or near the subterranean formation, where the at least one monitor wellbore is separated from the at least one injection wellbore by the subterranean formation; at least one acoustic energy source positioned in the at least one monitor wellbore and configured to emit acoustic energy from the at least one monitor wellbore into the subterranean formation; and at least one acoustic energy receiver positioned in the at least one monitor wellbore and configured to receive acoustic energy reflected from the fluid circulated into the subterranean formation to the at least one acoustic energy receiver.

The invention discloses a saline water layer CO2 geological storage salting-out quantitative evaluation device and method. The saline water layer CO2 geological storage salting-out quantitative evaluation device comprises a fluid injection system, a rock core reaction system, a confining pressure system, a back pressure system, a pulse measurement system, a drainage system and a data analysis system. The fluid injection system, the confining pressure system, the back pressure system and the liquid drainage system are respectively communicated with the rock core reaction system, and the pulse measurement system and the data analysis system are respectively and electrically connected with the rock core reaction system. According to the embodiment of the invention, the rock core reaction system provides an experiment environment, the fluid injection system provides scCO2 and saline water required by an experiment, the pulse measurement system provides a sound wave signal for a rock sample, and the data analysis system analyzes various data acquired by the experiment and obtains a saline water layer CO2 geological storage salting-out quantitative evaluation result. And a scientific basis is provided for an injection process and storage safety of geological storage of CO2.

The present disclosure relates to a method for assessing injection of a fluid into a borehole (11) defined by a borehole wall (12) extending into a body (10), the method comprising: - initiating (S1) the injection of the fluid into the borehole (11) using a fluid injection arrangement, - detecting (S2) fluid outside the borehole (11) and the fluid injection arrangement (20) using a detection device (30), and - on the basis of at least one of the following: - a detected position of the detected fluid outside the borehole (11) and the fluid injection arrangement (20), - an injection volume of the fluid, and - a time lapse (TL) from the time of initiation of fluid injection into the borehole (11) to the time of fluid detection outside the borehole (11) and the fluid injection arrangement (20), assessing (S3) the injection of fluid.

The invention discloses a fluid injection induced earthquake experiment method under a true triaxial stress condition, which comprises the following steps of: manufacturing a cube rock model containing a fault, beveling to form a fault surface, arranging water injection and water pressure detection holes, injecting water to infiltrate the fault surface until the fault surface is saturated, applying three-way unequal stress by using a true triaxial device, and keeping the stress stable. Then, fault spontaneous instability is driven through displacement, the inter-earthquake instability period is calculated, finally, a circulating or constant-rate water injection scheme is set, industrial fluid activity is simulated, and a water injection induced earthquake mechanism is explored. The fluid injection induced earthquake experiment method under the true triaxial stress condition can accurately simulate the true stratum stress and the water injection condition, provides a reliable means for researching the water injection induced earthquake, and is of great significance for earthquake prediction, geological disaster prevention and control and related industrial safety.

The present invention seeks to protect a renal pelvic pressure monitoring device, which includes a ureteroscope, an operation channel is provided in the ureteroscope, the ureteroscope is used to enter the renal pelvis from the ureter, a pressure detection ring is arranged around the outer wall of the ureteroscope, a pressure measuring channel is provided on the pressure detection ring, a pressure measuring pipe is arranged in the pressure measuring channel, one end of the pressure measuring pipe is flush with the pressure measuring channel, and the other end extends outside the body and is connected to the pressure detector, and a fixing bag is arranged around the outer wall of the pressure detection ring, and the fixing bag is used to fix the position of the ureter. In summary, the above technical scheme has the following beneficial effects: the ureteroscope is consistent with the existing surgical soft mirror, and has functions such as lighting, lithotripsy and liquid injection. The pressure detection ring on the ureteroscope can detect the pressure after the liquid is injected into the renal pelvis, and then the pressure in the renal pelvis can be further adjusted by adjusting the injection speed and injection amount through the ureteroscope.

A kind of high temperature and high pressure conditions under the fracture of compacted rock permeation resistivity measuring device and method, including: core holder, fluid injection system, resistivity measurement system, pressure applying device and heating device;The device can be carried out under the condition of high temperature and high pressure simultaneously, simulate the fluid permeation process of fractured rock under different temperature and pressure conditions, wherein resistivity measurement system can measure the rock resistivity of permeation process in real time.The device has high measurement accuracy, the test result is intuitive, the device structure is simple, the sealing property, corrosion resistance and heat insulation effect are excellent, can be applied to rock fracture permeation resistivity measurement under different conditions, can quantitatively analyze the influence of temperature, pressure, fluid properties and rock fracture on rock permeability and resistivity, establish the mathematical model of the relationship between permeability and resistivity of fractured rock, can provide theoretical basis for geothermal development reservoir permeability resistivity prediction and evaluation.

The invention provides a heavy oil reservoir steam huff and puff physical simulation experiment device and method, the heavy oil reservoir steam huff and puff physical simulation experiment device comprises an injection system, an output metering system, a physical model device and an energy storage system, the physical model device simulates a heavy oil reservoir steam huff and puff well; the injection system is connected to the physical model device and injects various fluids into the physical model device, the output metering system is connected to the physical model device and separates and meters the quantity of fluids output by the physical model device, and the energy storage system is connected to the physical model device so as to simulate the supply boundary of a stratum. According to the physical simulation experiment device and the physical simulation experiment method for steam huff and puff of the heavy oil reservoir, energy supply of temperature field waves and stratums is simulated according to steam waves and conditions, so that the saturation change conditions of reservoirs after steam huff and puff are simulated, and the physical simulation experiment device and the physical simulation experiment method are used for researching remaining oil occurrence rules after steam huff and puff.

A method for fracturing a subsurface rock formation for hydrogen production includes injecting a fluid comprising water into a subsurface rock formation under controlled conditions, generating fractures in the subsurface rock, and recovering hydrogen gas produced by subsurface rock after the generation of the fractures. The fluid is injected at a pressure below the breakdown pressure of the subsurface rock.

The invention provides a blowout control method based on wellhead methane adsorption, which comprises the following steps of: compounding a methane adsorption material with other necessary drilling fluid additives to form high-density composite well killing fluid in a key stage (namely when well control dangerous conditions such as overflow or well kick occur) before blowout; and then, at the position 100-200 m below a well mouth, the composite well killing fluid is injected into a shaft through special well killing fluid injection equipment according to preset injection parameters. According to the method, slipping and rising of methane bubbles invading a shaft are effectively restrained through the high density of well killing fluid, meanwhile, methane gas in the shaft is adsorbed in real time through a methane adsorption material compounded in the well killing fluid, gas column expansion and pressure rising are effectively controlled in the early stage of gas invasion through the dual-action mechanism of density suppression and active adsorption, and the gas invasion safety is effectively improved. Therefore, blowout is prevented or development of blowout is restrained.

A system for implementing and optimizing the storage potential of subterranean carbon mineralization can include a fluid injection well subsystem having an injection wellbore, a pumping system, and a fluid injection completion system disposed at an injection range along the injection wellbore, where the fluid injection completion system is configured to control an injection rate of pressurized fluid from the injection range into an active storage zone within a subterranean rock formation. The system can also include a fluid production well subsystem having a production wellbore and a fluid production completion system disposed at a production range along the production wellbore, where the fluid production completion system is configured to control an inflow rate of production fluid from the active storage zone into the production range of the production wellbore. The system can further include a monitoring subsystem configured to monitor carbon mineralization in the active storage zone.

The invention provides a large-diameter pipeline flow dynamic detection method and system based on temperature gradient tracking, and relates to the technical field of flow detection.The large-diameter pipeline flow dynamic detection method comprises the steps that multiple layers of temperature sensor arrays are arranged on the outer wall of a pipeline, and temperature field distribution data are obtained; determining a thermal fluid injection scheme based on the initial flow parameters; acquiring a temperature characteristic data set by adopting a space-time sampling control unit; utilizing a deep learning algorithm to reconstruct a thermal fluid motion track; and establishing a flow calculation model to obtain a real-time flow value. According to the invention, high-precision, real-time and reliable monitoring of the flow of the large-diameter pipeline can be realized, and the accuracy and stability of flow detection are improved.

A method of calibrating dosing valves of a sprayer system of an agricultural implement comprises initiating calibration by filling a calibrating tube with fluid having a fluid from an auxiliary tank of the sprayer system, measuring a volume of the fluid filled into the calibration tube, pumping the fluid in the calibration tube to the dosing valves to calibrate the dosing valves with respect to flow characteristics of the fluid with the dosing valves being capable of a high fluid flow rate to a low fluid flow rate ratio of at least 100:1 for the fluid. The method also includes pumping, during a pump from concentration tank mode, the fluid in the concentration tank to the dosing valves and then to a mixing apparatus with the fluid to be mixed with a carrier fluid from a primary tank of the sprayer system.

The utility model provides an ultrahigh-pressure low-temperature fluid injection system, and particularly relates to the technical field of low-temperature equipment, the ultrahigh-pressure low-temperature fluid injection system comprises a supply system and an injection system, the supply system comprises a supply unit, a subcooler, a supercharger, an energy accumulator and a heat exchanger; the injection system comprises a nozzle unit and a recovery unit; the supply unit is sequentially connected with the subcooler, the supercharger, the energy accumulator, the heat exchanger and the nozzle unit through pipelines, fluid in the supply unit sequentially passes through the subcooler, the supercharger and the energy accumulator and is subjected to subcooling, supercharging, energy storage and cooling, stable high-pressure low-temperature fluid is obtained, and finally the fluid is sprayed out of the nozzle unit to machine an object. According to the utility model, the stable high-pressure low-temperature fluid is utilized to treat the object, and finally the impurities are recovered and treated, so that the secondary pollution can be reduced, and the cost is reduced.

A wellhead, including a fluid injection system disposed in the wellhead, a fiber injection system disposed in the wellhead and operably connected to the fluid injection system to inject fiber into the fluid injection system. A multimodal fluid injection valve, including a body having a check valve therein, a side pocket physically and fluidly connected to the body, the side pocket including a fiber anchor therein. A method for instrumenting a preexisting gas lift or chemical injection system, including cleaning the chemical injection system, and injecting optic fiber through the chemical injection system. A wellbore system including a borehole in a subsurface formation, a string in the borehole, a surface system operably connecting both a chemical or gas injection device and an optic fiber injection device to a gas lift or chemical injection subsystem in the borehole, and an optic fiber disposed in the chemical or gas injection subsystem.

The invention discloses a water rock corrosion experiment system with five reaction units, and relates to the technical field of corrosion experiments. Comprising a water container, a constant-speed constant-pressure pump, an intermediate container, a preheater, a first reaction kettle, a first liquid taking device, a first digital back-pressure valve, a first back-pressure pump, two convective circulating pumps, a second digital back-pressure valve, a second back-pressure pump, a second liquid taking device, a second reaction kettle, a third reaction kettle, an annular pressure tracking pump, a third liquid taking device, a third digital back-pressure valve and a third back-pressure pump, a real-time chemical signal acquisition device and a separator; the method comprises the following steps: injecting fluid into a reaction kettle filled with a carbonate rock sample at set temperature, pressure and flow velocity, and carrying out water-rock reaction of five circulation loops with the carbonate rock sample; therefore, the water rock corrosion experiment system is complex in structure, and can meet the experiment requirements of simulating a carbonate rock water rock corrosion mechanism in environments with different temperatures, different pressures, different flow speeds and different water chemical characteristics.