61 results about "Production engineering" patented technology

The invention provides a motion control method based on a tower type pumping unit, which relates to the technical field of oil field oil production engineering, and comprises the following steps of: establishing a dynamic relationship among components of the tower type pumping unit according to energy consumption through a novel tower type pumping unit dynamic model established based on a Lagrange equation; according to the method, the relation between the variable suspension point load and the displacement and the speed at the suspension point is visually given, so that the built model can more accurately describe the motion relation at the suspension point of the tower type pumping unit, a theoretical basis is provided for designing a more accurate and more energy-saving control method, the tower type pumping unit is accurately controlled, and the operation efficiency of the tower type pumping unit is improved. A physical model of the tower type pumping unit is simplified, and controller design and fault diagnosis of the tower type pumping unit are facilitated.

A numerical simulation method for the integrity of cement sheath systems in oil and gas wells under alternating temperature and pressure is characterized by the use of extended finite element method (XFEM), concrete damage plasticity model theory, Cohesive element method, and bilinear traction separation criterion, based on elastoplastic theory and plastic damage theory. This method can simulate not only the failure process of the cement sheath-casing interface under alternating temperature and pressure and characterize the mechanical behavior of interface failure, but also the failure process of the cement sheath itself and characterize its mechanical behavior. By comprehensively analyzing the failure behavior of the cement sheath system integrity in oil and gas wells, this method enables a realistic evaluation, prediction, and diagnosis of the integrity of the casing-cement sheath-casing assembly system under alternating temperature and pressure, which helps optimize cement slurry systems, improve cementing quality, and prevent cement sheath integrity failure. This invention is applicable to the field of oil and gas drilling and production engineering technology.

The invention relates to the technical field of oil field oil production engineering, in particular to an underground data acquisition unit with flow, pressure and temperature monitoring functions and a method. The method is suitable for underground working condition monitoring of submersible motor type lifting equipment such as submersible screw pumps, submersible plunger pumps and submersible centrifugal pumps. The unit comprises a pressure-resistant shell, wherein a central pipe, an electromagnetic flowmeter, two pressure and temperature sensors and an underground parameter collector are integrated in the pressure-resistant shell; the two sensors are used for measuring the temperature and pressure of liquid flow of the central pipe and the temperature and pressure of an oil casing annulus respectively; the electromagnetic flowmeter measures the flow, and real-time temperature and pressure data are used for compensation to improve the precision. The unit is further provided with a collecting pipe, an upper end, a lower end, a connecting sliding ring, an annulus / oil pipe inner testing channel, a sealing rubber ring and the like. Through the integrated design, synchronous high-precision in-situ monitoring of underground key parameters is achieved, the problem that underground data of multiple instruments are not synchronous is solved, and a reliable data terminal is provided for an intelligent oil field.

The invention discloses a device for testing the sealing performance of a full-size sleeve-cement sheath-stratum combination of a hydrogen storage bank. Relates to the technical field of petroleum and natural gas drilling and production engineering, and is characterized in that the device comprises a sleeve-cement sheath-simulated stratum maintenance device for preparing the simulated stratum, an alternating load applying device and a sealing performance testing device; the method comprises the following steps: preparing a full-size simulated stratum through a maintenance device, constructing a'sleeve-cement sheath-simulated stratum 'integrated assembly by taking the full-size simulated stratum as a carrier, completing maintenance, and detecting the sealing integrity of the cement sheath after simulating the actual underground working condition; the simulation stratum capable of being used for testing the sealing performance of the cement sheath is prepared, the full-size simulation stratum serves as a core testing carrier, and quantitative evaluation of the sealing performance of the full-size cement sheath is achieved.

The invention relates to the technical field of underground resource drilling engineering, in particular to an oscillating shear valve and a continuous wave high-speed transmission method.The oscillating shear valve comprises a valve seat, a stator, a rotor and a driving assembly, and the inner side of the upper portion of the valve seat and the outer side of the upper end of the stator are fixedly installed together. The structure is reasonable and compact, the rotor is driven by the driving assembly to rotate, when the rotor rotates and slurry flows into the position below the valve element through the flow hole, due to the fact that the difference value between the third area and the second area changes along with rotation of the rotor, the pressure of the slurry changes, pulse signals are formed, and therefore the changed pressure is reserved when the slurry circulates to a wellhead; the difference value between the third area and the second area is the same as the difference value between the third area and the second area, the frequency can be changed instantly, and compared with a traditional oscillating shear valve, the buffer time occupied when the frequency is changed is saved, the transmission rate is increased, and higher data density can be generated.

The present invention belongs to the technical field of oil and gas development and production engineering, and specifically relates to a full-process simulation experimental device for squeeze packing of unconsolidated sandstone reservoirs, a full-process simulation experimental method, and a filling effect evaluation method. The full-process simulation experimental device includes an experimental device main body module, a constant flow liquid supply system, and a data measurement and acquisition system. The experimental device main body module includes a simulated reservoir mold, a simulated casing, a screen pipe, and a sealing cover plate. The simulated reservoir mold is sealed and detachably connected to the sealing cover plate. A number of simulated reservoir units are also provided in the simulated reservoir mold. The simulated reservoir units are laid layer by layer around the simulated casing and filled in the simulated reservoir mold. The simulated reservoir units are filled with simulated formation sand. The constant flow liquid supply system and the data measurement and acquisition system are connected to the experimental main body device. The simulation experimental device of the present invention can realize the full-process simulation of sand production - filling - production, and the filling effect evaluation method can provide theoretical guidance for the optimization of squeeze packing parameters at the construction site.

The invention relates to the technical field of oil field oil production engineering, in particular to an oil well intelligent balanced production pipe column and a construction method. Comprising a guide screwed plug, an oil pipe, a balanced production tool, a layered packer, an oil well pump, a cable and a ground control system. The guiding plug is located at the lowest end of the tubular column string, the balanced production tools and the layered packer are connected in series through the oil pipe, the layered packer is used for separating oil layers, and the cable is connected with the balanced production tools, can penetrate through the layered packer and is finally connected to the ground control system. According to the bottom-hole regulator disclosed by the invention, the bottom-hole regulator is quickly regulated by adopting a design mode of an underground electric control liquid path channel, hydraulic direct pushing and multiple tracks; the mode that a motor controls liquid path pressurization and underground liquid path rapid pressure relief is adopted, and rapid response of the bottom-hole regulator is achieved; a variable-density liquid inlet hole adjusting mode is adopted, and linear adjustment under multiple underground rails is achieved; a multi-stage inner vulcanization sealing mechanism is arranged underground, and the problem that a sealing piece is prone to damage under high pressure is solved.

The invention relates to the technical field of oil field oil production engineering, in particular to a sand blocking prevention rotational flow groove type sliding valve mechanism of a constant flow blanking plug for a water injection well. The mechanism comprises a fishing rod, the fishing rod penetrates through a pressing cap, a cam is inserted into the bottom end of the fishing rod, the pressing cap is connected with an upper body, the cam is installed on the upper body, the lower end of the upper body is connected with a lower body, the inner side of the lower body is connected with a sliding valve, a gap is formed between the sliding valve and the lower body, and a first contact face is arranged between the sliding valve and the lower body. The sliding valve is provided with at least one rotational flow groove, the rotational flow groove is spirally wound on the outer surface of the sliding valve, the upper end of the sliding valve is connected with a limiting righting rod, the limiting righting rod controls the sliding valve to rotate and slide in a reciprocating mode, a water nozzle is installed in the lower end of the sliding valve, a filter screen is installed at the bottom end of the lower body, and a plurality of O-shaped packing are installed on the filter screen. According to the sand blocking prevention rotational flow groove type sliding valve mechanism of the constant-flow blanking plug for the water injection well, the sand blocking probability of the sliding valve of the constant-flow blanking plug is effectively reduced, and the technological service life of the constant-flow blanking plug is prolonged.

The utility model discloses a center-shaft-free hollow motor production transfer device, and relates to the technical field of center-shaft-free hollow motor production transfer devices, the center-shaft-free hollow motor production transfer device comprises two outer plates, a transfer mechanism is arranged in the outer plates, the transfer mechanism comprises a mounting plate, and one side faces, close to each other, of the two outer plates are fixedly connected with the front face and the back face of the mounting plate. A rotating motor is fixedly connected to the upper surface of the mounting plate, the power output end of the rotating motor penetrates through one outer plate and is fixedly connected with a first limiting wheel, two tensioners are fixedly connected to the front face of one outer plate, two centrifugal plates are rotationally connected to the inner wall of each outer plate, and fixing rods are fixedly connected to the inner walls of each set of centrifugal plates; the outer surfaces of the two centrifugal plates are fixedly connected with second limiting wheels, and a belt is arranged on the front face of one outer plate. The center-shaft-free hollow motor production transfer device can solve the problem that a large amount of labor force is generated due to the fact that workers place the hollow motors one by one in production engineering.

The invention belongs to the field of drilling and production engineering equipment, particularly relates to a mountain small-module vertical lifting well drilling and workover rig, and aims to solve the problems that the transverse and longitudinal spans of a base of an existing conventional drilling machine are large, the wellhead spacing width of a production well is limited, the operation space is small, and a conventional-scale drilling machine cannot be arranged for workover operation; and the area of a well site is limited, and a conventional forward-tilting type overall lifting well drilling and workover rig cannot be used. The device comprises a derrick and a base, the derrick is installed in the base and comprises a derrick body and a lifting device, the two ends of the derrick body are fixed to the crown block and the base respectively, and the lifting device is fixed to the base and used for lifting the derrick body. The device is convenient to transport, meets the size requirement of cross-over workover operation of a cluster well, adopts a segmented vertical lifting installation mode, reduces the requirement for the well site area of drilling operation, and is more convenient for implementation of drilling and workover operation.

The invention relates to the technical field of oil field oil production engineering, in particular to a small-diameter fracturing pipe column suitable for a small pocket well. The problems that an existing fracturing pipe column cannot fracture a small pocket sleeve to damage a well, movement cannot be opened after fracturing, stability is poor, and lifting of the pipe column is abnormal are mainly solved. The lower end of the oil pipe (2) is connected with a hydraulic anchor (4) through a safety connector (3), the lower end of the hydraulic anchor (4) is connected with a plurality of sliding sleeve sand blasters (4), the positions of the sliding sleeve sand blasters (4) on a pipe column correspond to all fractured layers respectively, and a sliding sleeve seat (5) is arranged below each stage of sliding sleeve sand blaster (4). The bottom of the sliding sleeve seat (5) at the lowest end is connected with a sand blower (6) without a sliding sleeve, and the sand blower (6) without the sliding sleeve corresponds to the fractured layer at the lowest end. The small-diameter fracturing tubular column of the small-pocket well can adapt to a casing damage well with a fracturing pocket larger than 3 m, the ultra-large sand adding scale can be achieved under the large displacement condition, and remaining oil of the small-pocket well can be effectively used.

The present application relates to oilfield production engineering technical field, especially a kind of for beam-pumping unit's suspension rope device.Mainly solve the problem that the load of some beam-pumping unit traction rope is large and affects traction rope life-span.Problem.It includes weight reduction device (3), the weight reduction device (3) includes pulley assembly (31), pulley assembly (31) includes main pulley (312) and installation shaft (311), wherein main pulley (312) is connected in the outside of installation shaft (311), and the lower end of installation shaft (311) is connected with intermediate shaft (313) by connecting rod (314);The traction rope (6) is fixed in the inside of main pulley (312) after passing through main pulley (312), and the upper end of wellhead suspension rope device (2) is connected wellhead traction rope, and wellhead traction rope is connected on intermediate shaft (313).The suspension rope device can greatly reduce the load borne by traction rope, thereby prolonging the service life of traction rope, reduce the loss caused by the breakage of traction rope.

The application discloses a carbon dioxide reinjection well cementing method and belongs to the technical field of well cementing in oil drilling and production engineering. The carbon dioxide reinjection well cementing method sequentially carries out casing cementing, liner cementing and liner tieback cementing processes for different well sections, can improve the corrosion resistance of the wellbore cement sheath and the casing, can strengthen the pressure-bearing capacity of the well, can reduce the risk of cementing leakage, can prevent the formation of carbon dioxide leakage channels and can ensure long-term reliable operation of the well in the marine environment.

The invention is an apparatus having a protective envelope which is designed and constructed to envelope at least one room region, such that the protective envelope is able to separate the at least one room region from an environment immediately surrounding the protective envelope, and use thereof. Methods for operating a production engineering unit under cleanroom conditions and for creating and operating a virus-free and cross-contamination free room region surrounded by a protective envelope for accommodating persons and / or objects subject to quarantine. The invention has a protective envelope with at least two layers separated by a spacer layer, that is flow-permeable.

The present application relates to the technical field of oilfield production engineering, and particularly relates to a non-full-pipe drilling fluid flow monitoring device. The main problem of the existing drilling fluid return flow monitoring device is that the monitoring result error is large. A vertical measuring pipe (9) is connected to the upper side wall of the body (1), the measuring pipe (9) is connected to the top cover (6), the top cover (6) is provided with a laser probe (18), a magnetic field probe (14) is connected to the bottom side wall of the body (1), the body (1) is provided with a circuit board (20), and the laser probe (18) and the magnetic field probe (14) are connected to the circuit board (20). The non-full-pipe drilling fluid flow monitoring device can accurately monitor the non-full-pipe flow of high-speed drilling fluid returned from the wellhead. When drilling encounters complex conditions such as overflow and leakage, early warning can be accurately performed, complex accidents in the well can be reduced, and oil and gas safety can be ensured.

The invention relates to the technical field of oil field oil production engineering, in particular to a soluble rubber cylinder pressure-bearing and dissolution rapid inspection device which comprises an upper connector, the top end of the upper connector is connected with a connector of a pressurizing pump, the lower end of the upper connector is connected with a pushing body, a simulation sleeve is installed between the upper connector and the pushing body, and the lower end of the pushing body is connected with a central pipe and an upper connecting body. The central pipe is connected with the upper connector, the lower end of the upper connector is connected with the rubber sleeve assembly, the lower end of the rubber sleeve assembly is connected with the adjustable push-down bodies, the adjustable push-down body at the tail end is connected with the simulation sleeve, the lower end of the simulation sleeve is connected with the real-time locking ring, the inner side of the real-time locking ring is detachably connected with the central pipe, and the pressurizing pump starts pressurizing through the pressing connector. The pushing body is pushed by the pressure of the pressurizing pump to move forwards, the pushing body drives the central pipe to move, the central pipe compresses the rubber sleeve assembly, the real-time locking ring is screwed in synchronously, and the central pipe is locked by the real-time locking ring. The device provided by the invention is simple in structure and convenient to operate, the test time is saved, and the detection efficiency is greatly improved.

This invention relates to the field of oil and gas field production engineering technology, and particularly to a clamping distance adjustment device for oil and gas well fracturing. It mainly solves the problem that existing fracturing systems can only connect to one clamping distance per trip, making well and layer selection difficult. The clamping distance adjustment device for oil and gas well fracturing includes an upper connector (1), the lower end of which is connected to a central tube (4). The central tube (4) is externally slidably connected to an outer sleeve (5). The lower end of the central tube (4) is internally threaded with a spring claw (7). The external boss of the spring claw (7) engages with the internal boss on the inner wall of the outer sleeve (5). A sliding sleeve (8) is provided inside the spring claw (7). A lower connector (9) is provided at the lower end of the spring claw (7). The sliding sleeve (8) and the lower connector (9) are connected by a shear pin (11). This clamping distance adjustment device for oil and gas well fracturing can be connected to the fracturing tubing string and can adjust the clamping distance even without raising the tubing string downhole, adapting to changes in reservoir thickness and enabling efficient development of thin and poor reservoirs.

The invention discloses an industrial automation-based sheet metal production engineering data automatic compilation system, which comprises a data acquisition module, a data preprocessing module, a feature extraction module, an engineering data compilation module, a database module and a data output module, the data acquisition module is in communication connection with the sheet metal raw material detection equipment, the product design terminal, the production equipment and the production data recording device and is used for acquiring sheet metal raw material parameters, product design parameters, production equipment parameters and historical production data. According to the sheet metal production engineering data automatic compilation system based on industrial automation, various data related to sheet metal production are comprehensively acquired through the data acquisition module, and accurate and effective data support is provided for engineering data compilation in combination with data preprocessing and feature extraction technologies; and by utilizing a machine learning model and a preset process rule in the engineering data compiling module, automatic compiling of sheet metal production engineering data is realized, and a large amount of manual intervention is not needed.

The method for predicting the service life of the coiled tubing under the cooperation of plasticity and damage is characterized in that the fatigue service life and the strain amplitude under the specific curvature radius are obtained through a full-size bending fatigue test, and the fatigue service life and the strain amplitude are substituted into a Manson-Coffin model to invert an unknown coefficient; the method comprises the following steps: determining mechanical parameters of a material in combination with a uniaxial tensile test, constructing a finite element mechanical model, carrying out finite element simulation on bending working conditions of a damaged coiled tubing on a roller and a guider, extracting strain amplitudes, and further establishing strain amplitude calculation models under different working conditions by adopting a Levenberg-Marquardt algorithm; coupling the model with a Manson-Coffin equation, and respectively constructing fatigue life prediction models of the roller and the guider; and on the basis of the Miner theory, three times of bending cycles with different curvatures in one trip are regarded as complete load cycles, an accumulated damage value is calculated, a correction coefficient is determined through low-cycle fatigue finite element simulation, a calculation model of the number of remaining trip times is established, and quantitative prediction of the remaining life is achieved. The method is suitable for the technical field of petroleum and natural gas drilling engineering.

1. Name of the product in this design: Silent Diesel Generator Set. 2. Application of this design: It is used for power supply in industrial production, engineering construction, emergency power supply, outdoor operations and other scenarios. The soundproof box structure reduces operating noise and is suitable for places where noise control is required. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Methods and systems are provided for scheduling and issuing interactive instructions for manufacturing of a product and product sub-assemblies. A project production engineering knowledge base including an interactive production portfolio is accessed, and a workplan specifying target times for completing one or more of the product and sub-assemblies is received. Responsively, a schedule for performing the assigned flow of steps (FOS) of each workstation is generated to meet FOS requirements of related tasks at other workstations. The assigned FOS is then provided at each workstation at the scheduled time, with feedback from each workstation indicative of completion of each step. The feedback is verified to before each subsequent instruction of the FOS is provided to the given workstation.

The utility model discloses a gas storage injection-production well pattern structure, which relates to the technical field of gas production engineering, and comprises a gas storage main body, a horizontal well main body and a vertical well main body, a first reservoir is arranged in the gas storage main body, a middle layer is arranged at the lower end of the first reservoir, and a second reservoir is arranged at the lower end of the middle layer; a horizontal well main body is arranged in the gas storage main body, a vertical well main body is distributed outside the horizontal well main body, a mounting butt joint ring is additionally arranged at the upper end of the outer portion of the vertical well main body, a threaded mounting groove is formed in the mounting butt joint ring, and a mounting bolt is connected into the threaded mounting groove. A limiting butt-joint groove is formed in the upper end of the interior of the vertical well body, a rubber sealing ring is connected into the limiting butt-joint groove, and mounting valves are distributed at the upper end of the vertical well body. According to the injection-production well pattern structure of the gas storage, the vertical well and the horizontal well can be matched together, the injection-production efficiency is improved, and the control degree of the injection-production well pattern structure of the gas storage on the gas storage is improved.

The application is suitable for the technical field of control, and provides a powder production process control method and device, terminal equipment and computer readable storage medium, which comprises the following steps: acquiring real-time particle size distribution in a powder production process; if a particle size deviation value between the real-time particle size distribution and a target particle size distribution is greater than a preset threshold value, calculating a real-time influence weight corresponding to a process parameter; wherein the real-time influence weight is used to represent a real-time influence degree of the process parameter on the particle size distribution; the process parameter is a parameter of a production equipment participating in powder production; generating a real-time control strategy according to the real-time influence weight corresponding to the process parameter; and controlling the production equipment to run according to the real-time control strategy. Through the above method, the control efficiency and control precision of the powder production process can be effectively improved.

The invention relates to the technical field of chip burning, in particular to a remote automatic burning method, device and equipment and a medium. The remote automatic burning method is applied to an upper computer, a circuit board identifier of a burning circuit board is obtained through the upper computer, an identification request is sent to a production and manufacturing integrated system according to the circuit board identifier, and a feedback result returned by the production and manufacturing integrated system is received; analyzing the feedback result to obtain a target software material number of the to-be-burned software, receiving a burning file sent by the software version management system and a configuration file corresponding to the burning file according to the target software material number, and generating a burning command script according to the burning file and the configuration file; and determining a burning simulator, and controlling the burning simulator to execute the burning command script for burning. The burning process is controlled through the upper computer, management and control of production engineers are not needed, the production engineers do not make direct contact with burning files, the risk of poor burning caused by manual operation is reduced, and the reliability of chip burning is improved.

A method for performing production engineering tasks includes receiving a question or instruction related to an oil and / or gas industry. The question or instruction is received by a large language model (LLM) agent. The method also includes selecting one or more tools from a plurality of tools using the LLM agent based upon the question or instruction. The tools include a data tool, a retrieval augmented generation (RAG) tool, a simulation tool, and an analytical tool. The method also includes generating output data related to the question or instruction using the one or more identified tools. The method also includes generating a response to the question or instruction using the LLM agent based upon output data.

The present invention relates to a method for calculating the liquid accumulation height in the wellbore of an underground throttling gas well, belonging to the technical field of gas production engineering. Based on the equality relationship of the bottom-hole flowing pressure calculated according to the tubing pressure drop formula and the tubing-casing annulus pressure drop formula, and the geometric ratio relationship between the liquid column height in the tubing and the liquid column height in the tubing-casing annulus, a calculation model for the liquid accumulation height in the wellbore is established. Then, by collecting the inlet pressure value of the downhole throttle and the annulus pressure value at the throttle position; substituting the inlet pressure value of the throttle and the annulus pressure value at the throttle position into the calculation model for the liquid accumulation height in the wellbore, the liquid column height in the tubing and the liquid column height in the tubing-casing annulus are calculated, solving the problems of low accuracy and unreliability of the existing calculation method for the liquid accumulation height in the wellbore of low-pressure gas gathering and transportation wells.

The present application relates to a kind of pumping unit polish rod wellhead sealing method, pumping unit sealing packing, belong to oilfield production engineering technical field.The polish rod wellhead sealing method of pumping unit of the present application, comprising the following steps: take annular washer and put into wellhead packing box cavity bottom on polish rod, then in packing box cavity alternately put into rubber strip and semi-solid lubricant, until to fill up packing seal box, then take annular washer and put into polish rod, install good gland and packing pressure cap, tighten;When putting into rubber strip, make rubber strip surround polish rod and place and in packing box cavity fill up a layer.The polish rod sealing method of pumping unit of the present application, completely solve the problem of difficult to add and take when replacing packing packing, reduce the labor intensity of post worker, especially applicable to the oil well of on-site polish rod not centering, and sealing effect is good, can effectively manage packing running, leaking and leaking phenomenon, reduce wear and tear, extend the use cycle of packing, realize the purpose of cost reduction and efficiency increase and energy saving and environmental protection.

The present invention relates to the technical field of injection-production engineering in oil and gas field development, and particularly relates to a jet injection-production device in the same well and a usage method thereof. The technical solution is as follows: A jet pump is connected to the surface wellhead through an oil pipe and a small-diameter oil pipe. A retrievable pump core is installed in the jet pump. The lower part is connected to a jet injection pump through an oil-blocking and water-filtering device. The outlet pipe of the mixed liquid is located in the water injection layer below the packer. A part of the high-pressure power liquid injected from the ground enters the jet pump and entrains and sucks the low-water-cut crude oil to the ground. The remaining high-pressure power liquid passes through the retrievable pump core in the jet pump and enters the jet injection pump, entrains and sucks the formation water that has been deoiled and filtered by the oil-blocking and water-filtering device and injects it into the water injection layer. The beneficial effects are as follows: The structure is simple, the failure rate is low, the operation is reliable, the pump inspection period is long, it is convenient for well washing and pump inspection, the investment and operation costs are saved, and it is more suitable for large-angle wells, infill wells in the middle and late stages of exploitation, multi-layer separate injection-production development in the high-water-cut period, and meets the essential requirements of energy conservation and consumption reduction.

The invention belongs to the technical field of oil and gas field development, and provides a model library construction method based on digital twin injection-production engineering. Comprising the steps of integrating an injection-production engineering physical entity model, reconstructing a physical three-dimensional model of a physical entity, defining attributes of the physical three-dimensional model, embedding a formula algorithm, developing an interface, realizing data interaction and visual modeling, and displaying a production state. Boundary conditions are defined based on the physical three-dimensional model, simulation software is imported to form a simulation model, the accuracy of the simulation model is verified through comparison with actual data, and an interface is constructed for a user to operate and test the injection-production process; packaging to form a directly called engineering application component, a feature engineering component and a tool component supporting knowledge reuse; and integrating a plurality of injection-production engineering optimization algorithms by utilizing an algorithm interface, and constructing a water injection optimization and oil production quantity dynamic regulation and control model in combination with empirical rules and optimal practices of an injection-production process. According to the invention, an injection-production engineering digital twinborn model library which can realize efficient modeling, accurate simulation and optimization and a flexible and extensible system is established.

The present invention belongs to the technical field of oil and gas development and production engineering, and specifically relates to a method for judging the feasibility of a micro-saturated squeeze packing sand control process and a method for optimizing construction parameters. The feasibility judgment method includes the following steps: calculating the micro-saturated squeeze packing process feasibility judgment index MGPE: #imgabs0# (Ⅰ); judging the feasibility of the micro-saturated squeeze packing process based on MGPE: when MGPE < 0.25, the micro-saturated squeeze packing process is completely inapplicable to this well; when 0.25 ≤ MGPE ≤ 0.5, the micro-saturated squeeze packing process is not recommended; when 0.5 < MGPE ≤ 0.75, the micro-saturated squeeze packing process is recommended; when MGPE > 0.75, the oil well is completely suitable for the micro-saturated squeeze packing process. The present invention provides a simple and rapid method for the field to judge whether the reservoir is suitable for the unsaturated squeeze packing process, solves the problem of the lack of specific methods for well and layer selection in the previous micro-saturated squeeze packing sand control process, improves the scientificity of process decision-making, and helps to ensure the sand control effect.