71 results about "Injections water" patented technology

The embodiment of the invention discloses a low-permeability oil reservoir augmented injection method and device, a terminal and a storage medium, and belongs to the field of oil reservoir development. The method comprises the steps that for any well group of the low-permeability reservoir, the water well augmented injection amount of the well group is determined based on the accumulated production volume and the accumulated injection water volume of the well group; determining a preset crack length of the oil layer based on the minimum oil-water well distance of the well group; based on the water well injection increasing amount and the preset crack length, the stage water injection amount and the pump stopping duration of the high-pressure pump truck are determined; based on the stage water injection rate and the pump stopping duration, the high-pressure pump truck is controlled to inject water into the oil layer multiple times through the water injection well under the pressure higher than the fracture pressure till the accumulated water injection rate is equal to the water well injection increasing rate. According to the technical scheme, the high-pressure pump truck can be controlled to inject water into the oil layer at the pressure higher than the fracture pressure, cracks can be formed in the oil layer while oil layer energy is supplemented, the oil layer without the effect of conventional water injection can be obviously improved, and the problem that water cannot be injected into the low-permeability oil reservoir is solved.

This application relates to the field of pharmaceutical technology, specifically to a water-for-injection generating device and a purified water distribution system. The main pipeline has an inlet end connected to the water supply pipeline of the purified water distribution system, and an outlet end connected to the return pipeline of the purified water distribution system. The branch pipeline assembly includes branch pipelines, and terminal ultrafiltration membrane modules and water-for-injection production valves, both installed on the branch pipelines. The terminal ultrafiltration membrane modules are located upstream of the water-for-injection production valve. The inlet and outlet ends of the branch pipelines are both connected to the main pipeline. The inlet end of the branch pipeline is located upstream of a first flow regulating valve, and the outlet end of the branch pipeline is located downstream of the first flow regulating valve. The purpose of this application is to address at least one technical problem mentioned in the background art by providing a water-for-injection generating device and a purified water distribution system.

The utility model provides a novel safety injection tank. The novel safety injection tank comprises a safety injection tank nitrogen tank and a safety injection tank water tank which are independently arranged, the safety injection tank nitrogen tank is connected with one end of the safety injection tank water tank through a gas-water tank connecting pipeline; and the other end of the safety injection tank water tank is connected with a safety injection tank injection pipe and is connected with a reactor coolant system. According to the design scheme of the novel safety injection tank, compressed nitrogen used for driving and safety injection water serving as a water source are separated and stored in the gas phase and the water tank respectively, then the two tank bodies are connected through the pipeline, and the valve is arranged on the pipeline to control the communication / isolation state of the two tank bodies. When the nuclear power plant is in a normal operation state, the isolating valve is in a closed state to isolate a gas phase from a water tank; when LOCA accidents and the like occur and the safety injection tank needs to be put into operation, the valve can be opened through signals, the water tank is communicated with the gas tank, and therefore effective injection of the safety injection tank is achieved.

The utility model relates to the technical field of drainage gas recovery reinjection water system equipment, and discloses a novel simple reinjection tank which comprises a supporting plate, a tank body is fixedly connected to the top of the bottom supporting plate, a water outlet pipe and a water inlet pipe are fixedly connected to the outer wall of the tank body, and a first-stage filtering cavity and a second-stage filtering cavity are formed in the tank body. A top cover is arranged at the top of the tank body, a filter cotton placing cavity is formed in the tank body, the primary filter cavity is communicated with the secondary filter cavity, a filter plate is slidably connected to the interior of the tank body, and the side wall of the filter plate is slidably connected to the inner wall of the filter cotton placing cavity. According to the utility model, by designing and optimizing the appearance of the tank body and the internal filtering structure, the low production material cost and the simple and convenient manufacturing process are ensured, the filtering performance of the reinjection water system is improved, the degree of filtered water quality is improved, and the maintenance period of the reinjection water system is prolonged; and the service life of the equipment is prolonged by innovating the appearance structure process.

The invention discloses a method and a system for preparing normal-temperature water for injection, and relates to the technical field of preparation of water for injection. According to the method and system for preparing the normal-temperature injection water, purified water serves as an initial water source and enters a purified water tank, after water in a purified water storage tank is pumped out through a circulating pump, pathogenic microorganisms are killed through irradiation of an ultraviolet lamp, suspended impurities of the purified water are intercepted based on a 0.45-micron filter, heat sources in the water are filtered through an ultrafiltration membrane after the water is subjected to continuous electrodeionization, and the normal-temperature injection water is obtained. After residual impurities are removed, the temperature is adjusted based on the heat exchanger, and produced water enters an injection water storage tank. Through the combined design of cooperative sterilization of the terminal ultrafiltration membrane and the ultraviolet device, the removal effect on colloidal particles and pathogenic microorganisms is enhanced, the load on the terminal ultrafiltration membrane is reduced, frequent disinfection and replacement of the membrane are not needed, the equipment maintenance frequency and the consumable cost are reduced, and meanwhile, the shutdown risk caused by membrane pollution is avoided.

The utility model belongs to the technical field of small bucket gas injection water spray leak detection, disclose a kind of small bucket gas injection water spray leak detection device, including small bucket placement fixing frame;Small bucket placement fixing frame's motor drive screw rod drives moving plate to move, cooperate electric telescopic rod to push small bucket and push to the testing abutment plate and fixed, without artificial handling alignment;Water pump and air pump are automatically completed by connecting pipeline water injection and gas injection operation, compared with traditional artificial water injection observation, single bucket detection time is greatly shortened, can adapt to the detection needs of batch production, solve the problem of low artificial efficiency;Gas injection tank body is injected into gas in small bucket by center test through-hole, to form positive pressure in bucket, water storage tank is sprayed to barrel body surface through the same channel, and small leakage point will produce bubble due to gas pressure, facilitate fast identification;The rubber pad of testing abutment plate and small bucket abutment plate ensures sealing, avoids gas and water leakage interference detection.

The invention discloses a preparation method of a bumetanib injection, and belongs to the technical field of medicines. The method comprises the following steps: (1) preparing materials, namely respectively weighing bumetanib, xylitol, sodium dihydrogen phosphate dihydrate, disodium hydrogen phosphate dihydrate and benzoic anhydride modified polyoxyethylated castor oil according to prescription amounts for later use; (2) preparing a solution: weighing water for injection, adding xylitol, sodium dihydrogen phosphate dihydrate and disodium hydrogen phosphate dihydrate according to the prescription dosage in a stirring state, stirring and dissolving, then adding benzoic anhydride modified polyoxyethylated castor oil and bumetanib according to the prescription dosage, and stirring until the materials are completely dissolved; and (3) fixing the volume: supplementing the water for injection to the total amount of the prescription, and uniformly stirring and mixing. According to the bumetanib injection disclosed by the invention, the polyoxyethylated castor oil is modified by benzoic anhydride, so that the dissolution rate of bumetanib is effectively improved, and meanwhile, the high-temperature and illumination stability of the bumetanib injection is remarkably enhanced.

The application discloses a water pressure fracturing and proppant migration test method under the filtration condition of injection holes, and the test device comprises an injection assembly, a fracture assembly and a fixing assembly, the injection assembly is used for injecting liquid with proppants into the fracture assembly, a filtration fracture for realizing filtration before fracturing fluid is injected into the fracture assembly is arranged in the injection assembly, the filtration fracture realizes the change of the opening of the filtration fracture through filtration structures arranged on both sides of the filtration fracture, the fracture assembly is used for simulating the reaction of rock mass with fractures after liquid injection, and the fixing assembly is used for realizing the support and fixation of the fracture assembly and the application of load; the method further comprises the following steps: S1, test preparation; S2, load application; S3, fracturing; S4, completion of fracturing; and S5, repeated test. Under the existing proppant fracture seepage simulation test, liquid injection simulation with filtration can be realized, so that the hydraulic fracturing under the condition that the fractures of the injection water fracturing well or hole exist filtration can be researched, and a basis for actual production is provided.

The application provides a preparation method and application of a sterile inhalation suspension containing a PDE-4 or PDE-3 / 4 inhibitor. The preparation method comprises dispersing the PDE-4 or PDE-3 / 4 inhibitor in injection water containing an excipient, high-pressure wet heat sterilization to obtain a PDE-4 or PDE-3 / 4 inhibitor dispersion; further comprising dissolving a long-acting beta2-receptor agonist and / or a long-acting muscarinic receptor antagonist, sterile filtration to obtain a mixed solution; mixing the PDE-4 or PDE-3 / 4 inhibitor dispersion with the mixed solution, dispersing and sterilely filling. The pharmaceutical preparation prepared by the application is a sterile inhalation suspension, the sterile inhalation suspension containing the PDE-4 or PDE-3 / 4 inhibitor has high bioavailability, good patient medication compliance and good preparation stability.

The utility model belongs to the technical field of transformer substations, and particularly discloses a high-voltage prefabricated transformer substation which comprises a device body, water tanks are fixedly connected to the two sides of the device body, limiting frames are fixedly connected to the upper surfaces of the water tanks, and limiting grooves are formed in the upper surfaces of the limiting frames. A first rotating block is slidably connected to the interior of the limiting groove, a fixing block is rotatably connected to the top end of the first rotating block, a second rotating block is rotatably connected to the position, close to the first rotating block, of the lower surface of the fixing block, and the outer surface of the second rotating block makes contact with the inner wall of the limiting frame; the motor drives the gear to be in meshing transmission with the annular rack to drive the fixing block to move along the annular track of the limiting frame, and the fixing block is matched with sliding limiting of the limiting groove on the first rotating block and clamping limiting of the first rotating block and the second rotating block on the limiting frame, so that the stability of the moving process of the fixing block is ensured; the spray head can annularly and automatically spray water mist around the device body, and the labor intensity of workers is reduced.

The utility model discloses a non-condensable gas removing device, and belongs to the technical field of hot-pressing distillation. Which comprises an evaporator (6) and a buffer tank (10), and is characterized in that two pipelines, namely a first discharge pipeline (5) and an injection water connecting pipeline (9), are led out from the side part of the evaporator (6), the injection water connecting pipeline (9) is connected with the buffer tank (10), and the communication part of the first discharge pipeline (5) and the evaporator (6) is positioned at the upper part of the liquid level of injection water in the evaporator (6); and the communication part of the injection water connecting pipeline (9) and the evaporator (6) is positioned at the lower part of the liquid level of the injection water in the evaporator (6). In the non-condensable gas removal device, the first exhaust pipeline directly exhausts the non-condensable gas, the injection water connecting pipeline introduces the injection water in the evaporator into the buffer tank and then exhausts the injection water through the buffer tank, and the two paths of non-condensable gas are exhausted, so that the problem that the non-condensable gas continuously gathers in the evaporator and cannot be exhausted in time can be solved; and the water quality of produced water of the water for injection is ensured.

The utility model discloses a freeze-drying medicine bottle washing device, which relates to the field of bottle washing device structures, and comprises a supporting box body, a bottle washing device, a bottle washing device, a bottle washing device and a bottle washing device, the moving plate is arranged to be capable of entering the supporting box body from the inlet after being driven; the supporting rod piece is arranged in the supporting box body and used for supporting the movable plate piece; and the cleaning liquid pipeline system is arranged above the supporting rod piece and comprises a purified water supply system and an injection water supply system, and the movable plate piece is further arranged to transport the medicine bottles to be cleaned from the purified water supply system to the injection water supply system. Through the arrangement of the purified water supply system and the injection water supply system, medicine bottles can be sequentially cleaned with purified water and injection water in the supporting box body under the cooperation of the movable plate, so that the purposes of improving the cleaning efficiency and preventing the medicine bottles from being polluted by microorganisms again are achieved.

The invention provides a stable alprostadil injection and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The stable alprostadil injection comprises the following components: alprostadil, oil for injection, a compound emulsifier, an osmotic pressure regulator and water for injection. According to the invention, a certain amount of soybean phosphatidylinositol is used as an auxiliary emulsifier, and the auxiliary emulsifier and high-purity egg yolk lecithin (for injection) form a composite emulsifier, so that the chemical stability of the product can be remarkably improved, the product can tolerate an over-killing method, the product has a high SAL (Sterile Assurance Language), and the product can be stored for 24 months at a conventional cold chain temperature (2-8 DEG C), and the product quality still meets the national drug standard.

The utility model relates to the technical field of water quality detection, in particular to an on-line monitoring device for an injection water system. Comprising an injection water storage tank, a distillation machine, a multi-channel adjusting mechanism and a waterway circulation structure, the injection water storage tank is communicated with a first buffer pipe, and the first buffer pipe is communicated with a third return pipe; the multi-channel adjusting mechanism comprises a circular shell, a rotating disc and a power assembly installed on the circular shell and used for driving the rotating disc to rotate. The waterway circulating mechanism comprises a water pump, a water pipeline and a backflow pipeline; a distilled water output pipe is connected between the output end of the distilling machine and the circular shell, and a first return pipe is communicated with the distilled water output pipe. According to the technical scheme, unified monitoring of the backflow water and the distilled water can be achieved by arranging the single detection device, the equipment cost and the monitoring cost are reduced, and the water quality of the backflow water path and the distilled water path can be independently detected.

The invention relates to the technical field of oil exploitation, and discloses an intelligent hydraulic capacity expansion profile control and displacement oil field recovery process which comprises the following steps: intelligently monitoring formation parameters: acquiring formation parameters such as formation pressure, temperature, oil saturation and permeability in real time by deploying various sensors around an oil well and in an oil layer; the sensors are used for transmitting data to the central control system and comprise a pressure sensor, a temperature sensor, a nuclear magnetic resonance oil saturation sensor and a permeability tester. The data are analyzed in real time through a central control system, and therefore intelligent allocation of injected fluid and accurate execution of hydraulic capacity expansion are achieved. According to the specific characteristics of an oil layer, the proportion of injected water, a polymer solution and other fluids is automatically adjusted, cracks are formed in the oil layer through hydraulic fracturing equipment, and the seepage area is increased. And meanwhile, injection parameters can be dynamically adjusted through intelligent control over the profile control and displacement process, and efficient displacement of fluid in an oil layer is ensured.

The invention relates to the technical field of oilfield injection water treatment, in particular to a scale settling and sewage filtering device, which is used for solving the problems of different problem solving objects, unknown filtering strength and low pertinence caused by the fact that the reason for generating impurities in oilfield injection water is not analyzed clearly in the prior art. An inlet flange and an outlet flange are connected to the shell, the inlet flange is connected to a water supply pipe, the outlet flange is connected to a water injection pump, and the inner diameter of the inlet flange is smaller than that of the shell, so that the flow speed of incoming water is reduced after the incoming water enters the shell through the inlet flange, and scale is deposited; the cross sectional area of the shell of the device is three times that of the water inlet pipe, so that dirt in water can be deposited, particles in the water are greatly reduced, impact on parts such as a valve seat, a valve plate and a plunger in the water injection pump is reduced, the maintenance frequency of the water injection pump is reduced, and the water injection efficiency is improved.

The invention discloses a pigging pressure testing device of a pipeline and a construction method, and relates to the technical field of pipeline construction.The pigging pressure testing device of the pipeline comprises a ball serving pipeline, a ball collecting pipeline, a water injection structure and a pigging ball, the ball serving pipeline is used for being installed at one end of the pipeline, and a water inlet is formed in the ball serving pipeline; the ball receiving pipeline is used for being installed at the other end of the pipeline, an exhaust port is formed in the ball receiving pipeline, the water injection structure comprises a water tank, a pressurizing part and a water injection pipe, the water injection pipe is communicated with the water tank and the water inlet, and the pressurizing part is arranged on the water injection pipe and used for pressurizing injection water injected into the ball serving pipeline; the spherical pig is arranged on the ball serving pipeline and used for being tightly matched with the inner wall face of a pipeline so that the spherical pig can move from the ball serving pipeline to the ball receiving pipeline along the pipeline in the injection water feeding process. According to the scheme, pipe cleaning and pressure testing can be conducted at the same time, and the problems of low construction efficiency and high cost are solved.

The application discloses a terminal sterilization mivacurium chloride injection, which comprises mixed solute mivacurium chloride and solvent injection water, and the concentration is 2.14 mg / ml, and the pH value of the mivacurium chloride injection is 3.2-3.8. Under the condition of the specific pH value, the degradation speed of the mivacurium chloride is slowed down, and the mivacurium chloride injection preparation can be subjected to high-temperature terminal sterilization. After sterilization, the impurity level of the preparation is still in a low state, so that no additional stabilizer excipient needs to be added, the stability of the mivacurium chloride injection is improved, the high-temperature sterilization operation can be tolerated, the preparation microorganism and endotoxin level are effectively controlled, and the safety of clinical medication is improved.

The utility model relates to the field of water treatment equipment, in particular to a device for preparing water for injection by a membrane method, which comprises a filter tank, a permeable device, a water purifying device, a filter and a connecting pipe, a water inlet and a water outlet are formed in the filter box, a first mounting plate and a second mounting plate are arranged in the filter box, a through device is arranged in the first mounting plate, the tail end of the through device is located on the second mounting plate, a water purifying device is arranged in the through device, the water outlet is connected with the filter through a connecting pipe, and a water outlet is formed in the filter; multi-stage filtration is achieved through the water purification device and the filter, the purity of injection water is improved, particularly, the RO membrane is adopted as the filter layer, the filtering effect and the purification degree of a water source can be remarkably improved, the quality of the injection water is guaranteed, meanwhile, a large amount of heat energy does not need to be consumed, the production cost is reduced, the production efficiency is improved, and the production cost is reduced. And through threaded connection, disassembly and maintenance are convenient.

The invention relates to an injection water preparation system and a control method thereof.The injection water preparation system comprises a purified water system and an injection water system which are connected with each other, the purified water system is used for purifying raw material water to form purified water, and the injection water system is used for purifying the purified water to form injection water; the method comprises the following steps: acquiring a water quality key index of the water for injection; according to the water quality key indexes, a control strategy for the purified water system and / or the injection water system is adjusted. The water production quality of the water for injection can be improved.

The invention discloses a steam direct injection prevention water return device, and belongs to the technical field of exhaust pipes of lead powder machines. The device comprises a flow guide cover arranged at the upper end of an exhaust pipe, the inner wall of the flow guide cover is provided with a flow guide slope extending towards the outer side, a gap is formed between the flow guide cover and the end of the exhaust pipe, steam is output from the exhaust pipe and overflows from the gap along the inner wall of the flow guide cover, and part of the steam is liquefied after making contact with the flow guide cover; a disc is fixedly arranged on the side face of the exhaust pipe, the flow guide edges of the lower ends of the flow guide covers are all located above the disc, and the interior of the disc communicates with the interior of the exhaust pipe. According to the invention, the flow guide cover can fully exchange heat with top air. When the lead powder machine runs, steam is output from the exhaust pipe and flows to the gap along the inner wall of the exhaust pipe to overflow, and part of the steam is quickly liquefied when making contact with the flow guide cover. The flow guide slope surface on the inner wall of the flow guide cover can guide liquefied water to accurately flow to the flow guide edge, so that the liquefied water falls into the lower disc. Therefore, the steam liquefaction effect is improved.

The utility model relates to water bed technical field, concretely is a safe water bed, including leak protection subassembly and water display subassembly, leak protection subassembly constitutes by water bed body, non -return valve, connecting block and airtight cover, the top of water bed body has established the round groove, the inner wall of round groove is provided with connecting block, the top of connecting pipe is installed with non -return valve, the surface of connecting block is installed with airtight cover, water display subassembly constitutes by transparent band, transparent column, water inlet groove and float ball, the top of water bed body is installed with transparent band. This safe water bed, through the setting of leak protection subassembly, when using, handheld seal cover loosens and can be from connecting block end surface dismounts, connects the water pipe to the non -return valve entrance, and the water flow is along the valve core top one -way injection water bag. After irrigating, with thread locking seal cover and connecting block, form double -sealed barrier, prevent the user when the water bed body surface rolls over and so on big action, cause the water flow leak condition.

The present application belongs to the field of environmental monitoring technology, and discloses a kind of water quality sampling in-situ automatic packaging system, including sampling box and box cover, rotary water segregator, sampling bottle, composite sampling needle, fan, electromagnetic flowmeter and control module.Sampling box is equipped with sampling bottle of built-in fixing agent.In ball screw drive composite sampling needle drops through the split bottle cap with elastic plastic sealing film and fixing agent module, and through electromagnetic flowmeter accurate measurement injection water sample;When composite sampling needle rises, its two sides first and second stop valve are disconnected with elastic plastic sealing film in turn, so that the split bottle cap two sides stagger back and seal.Control module not only controls single water sampling volume, but also receives external main pipe network flowmeter data, realizes advanced dynamic sampling trigger strategy based on pollution cumulative amount, flow ratio and abnormal flow mutation.The present application realizes the full-automatic synchronization of sampling, fixing and sealing, solves the defects of low sample fidelity and inability to capture abnormal pollution events.

The invention provides a well group injection-allocation method based on streamline simulation, relates to the technical field of oil and gas exploitation, and aims to accurately match a water injection scheme with an actual water injection rate. The core process comprises the following steps: integrating geological and oil reservoir data, and constructing a numerical model; in combination with geological features and production dynamics, model parameters are optimized, and simulation precision is ensured; performing streamline simulation by using the optimization model, generating a contribution ratio map, and quantitatively dividing the contribution of the water injection well to the liquid production capacity of each oil production well according to the contribution ratio map; a three-phase injection-production ratio formula is used for calculating the daily water injection distribution rate of the water injection well to each oil producing well; and accumulating the injection allocation quantity of each producing well to obtain the total injection allocation quantity of the water injection wells. The method has the following advantages that the flow line simulation contribution proportion is introduced, and the underground oil-water flow relation is accurately reflected; the consistency of the injection allocation scheme and the actual water injection rate is improved; the water injection strategy is adjusted, invalid water injection is reduced, economy and rationality of water injection operation are improved, and oilfield development benefits are effectively improved.

A method for producing an injection water for a reservoir includes receiving a brine that is produced based on a reverse osmosis of water, performing a separation of the brine, producing a concentrated brine based on the separation of the brine, and producing, based on the concentrated brine, the injection water suitable for use in maintaining a reservoir pressure. Performing the separation of the brine includes performing at least one of a filtration, a membrane distillation, or a forward osmosis. The concentrated brine has a lower sulfate level and NaCl level and a higher total dissolved solids (TDS) level than the brine.

A brushing system comprising a mouthpiece shaped to conform to a human dental arch, removably connected to the neck portion through a coupling device. A base station adapted to perform a fluid management for the oral hygiene device is provided. The base station includes a toothpaste pump configured to dispense a predetermined amount of toothpaste towards the mouthpiece of oral hygiene device through a first check valve positioned on an injection line, a fluid pump operable to selectively inject water via a three-way valve towards the mouthpiece of the oral hygiene device through a second check valve positioned on the injection line, and an evacuation pump adapted to remove waste fluids from the mouthpiece during brushing through an evacuation line. A dispensing mechanism having means for selecting a predetermined amount of toothpaste, water and / or air to be pumped through the mouthpiece.

The application discloses a fractal network optimization-based injection well water injection volume improvement method, comprising the following steps: S1, reservoir geological data acquisition and multi-source database construction; S2, adaptive fractal seepage network construction and optimization; S3, injection water pressure and flow coordinated optimization based on the optimized network; S4, dynamic adjustment of injection well water injection strategy; S5, reservoir seepage key feature extraction and regulation modeling; S6, remote water injection control strategy based on risk assessment optimization; S7, intelligent optimization of water injection parameters and remote monitoring. Through adaptive fractal seepage network optimization, combined with intelligent optimization algorithm and remote monitoring control, the application realizes accurate regulation and control of injection well water injection volume, improves reservoir seepage efficiency, optimizes water injection strategy, reduces energy consumption, and improves oilfield recovery.

The utility model relates to the technical field of control cabinets, and discloses a control cabinet of a reinjection water integrated system, which comprises a cabinet body front inner door and an overground display provided with a multifunctional human-computer interface and a UCS direct-reading sensor. A main power circuit breaker, a reinjection frequency converter, an electric quantity acquisition module, a vector frequency converter, a main output contactor, an anti-reversal contactor and a reinjection pump output contactor are arranged at the front part of the cabinet body; a control transformer, a power supply filter, a GPRS module, a temperature controller and an external signal terminal are arranged in the rear door of the cabinet body, and the multifunctional human-computer interface is connected with the reinjection frequency converter, the vector frequency converter, the electric quantity acquisition module and the UCS direct-reading sensor ground display through a 485 serial port communication network. According to the integrated control system for the screw pump and the reinjection pump, integrated control over the screw pump and the reinjection pump is achieved, meanwhile, the UCS direct-reading sensor, the ground displayer, the underground pressure sensor and the 485 communication network containing the GPRS module are matched, integrated collection of data is achieved, relevant operation data are uploaded in real time, and the data integration capacity is improved.

The application discloses a system for evaluating gas injection pressure water coning effect of bottom water sandstone reservoirs, which comprises a core device, a displacement device and a measuring device. The core device is internally arranged with an experimental core and is provided with multiple injection points along the axial direction of the experimental core. A pressure measuring point and a probe measuring point are arranged on the core section of each injection point. The displacement device is connected with the core device, used for injecting water to the experimental core saturated with formation water and displaced with crude oil to simulate a strong bottom water drive process, and injecting gas to any injection point at different speeds and / or different amounts to simulate a gas injection pressure water coning process. The measuring device is connected with the core device, used for measuring pressure changes of different pressure measuring points and ultrasonic signal changes of different probe measuring points in the strong bottom water drive simulation process and the gas injection pressure water coning simulation process respectively. The gas swept range is determined by comparing the same position and same type of measurement data. The application solves the problem of simulating the gas injection pressure water coning process of the bottom water sandstone reservoirs.

The invention belongs to the field of fractured reservoir injection water evaluation, and discloses a test system and method for fractured reservoir injection water quality index evaluation, the system comprises a rock core sample manufacturing device, a fracture monitoring device, a displacement test device and a data analysis device; according to the method, accurate manufacturing and splicing of rock core cracks in the fractured reservoir, real-time crack state monitoring and control in the manufacturing process and effective displacement test execution are achieved, and finally comprehensive evaluation of injected water quality indexes is completed based on test data; according to the system, through cooperation of the rock core sample manufacturing device and the crack monitoring device, manufacturing of cracks of different types and different sizes is achieved, so that the accuracy and efficiency of fractured reservoir research are remarkably improved, the scientificity and reliability of water quality index evaluation are ensured, and the working efficiency is improved. Powerful technical support is provided for water quality management in the oil reservoir development process, optimization of a water injection strategy is facilitated, the oil reservoir recovery efficiency is improved, and the environmental risk is reduced.