49results about How to "Efficient development" patented technology

The application provides a low-grade oil reservoir water injection development effect evaluation method, comprising the following steps: S1, collecting core scale limit oil displacement efficiency data; S2, collecting well pattern controlled reserve degree data; S3, calculating sweep efficiency of the low-grade water drive oil reservoir; S4, correcting the sweep efficiency according to the changes of reservoir physical property parameters caused by near-well pollution and reservoir energy decline; and S5, calculating the reference recovery rate and evaluating the development effect. The application can effectively avoid collecting and arranging a large number of cumbersome production dynamic data, fully utilize the flow characteristics and dynamic physical property parameter evolution of the low-grade oil reservoir, accurately evaluate the development effect of the low-grade oil reservoir, and be beneficial to efficient development of the low-grade oil reservoir.

The invention discloses an electric folding mechanism suitable for an unmanned aerial vehicle arm and a control method thereof.The electric folding mechanism comprises an inner arm and an outer arm which are rotatably connected, the inner arm is connected with the unmanned aerial vehicle arm, and the outer arm is connected with a motor pipe used for installing an unmanned aerial vehicle rotor wing; one side of the inner arm is provided with a driving device which rotates circumferentially with a first rotating shaft as a fulcrum, the output end of the driving device is connected to one end of a lead screw, the free end of the lead screw and a ball sleeve form sliding motion pair connection, and the ball sleeve drives the outer arm to rotate around the inner arm under rotation of the lead screw. And meanwhile, the ball sleeve rotates circumferentially by taking the second rotating shaft as a fulcrum. According to the electric folding mechanism, through an electric driving mode, the problem that a traditional unmanned aerial vehicle is inconvenient to store in a nest is solved, the defect that an arm is difficult to automatically fold when the unmanned aerial vehicle is in a non-working state is overcome, the requirement for automatic operation in an unattended scene is met, and the electric folding mechanism is worthy of popularization.

The utility model relates to the technical field of photovoltaic detection, in particular to a continuous displacement detection device for a photovoltaic module. According to the technical scheme, the device comprises a main machine shell frame assembly and a main machine vertical support assembly fixedly arranged on the outer side of the main machine shell frame assembly; a bottom rail beam is arranged on the lower portion of the front face of the main machine shell frame assembly, and side sliding rails are arranged at the side ends and make contact with the bottom rail beam. Transverse shaft supporting angle aluminum is arranged on the front face of the transverse shaft side supporting piece, and a transverse shaft rack and a transverse shaft guide rail are arranged at the upper end of the transverse shaft supporting angle aluminum. According to the utility model, dynamic transverse continuous detection of the photovoltaic panel is realized, different areas of the photovoltaic panel can be rapidly covered, comprehensive detection data can be obtained, the detection period is greatly shortened, convenience is provided for longitudinal dynamic test of the photovoltaic module, detection dimensions are enriched, and efficient and accurate development of detection work is guaranteed in all directions.

This invention discloses an endogenous polypeptide, its preparation method, and its application. The structural formula of the polypeptide is shown in Formula (I): R1-(AA1)m-AA2-AA3-(AA4)n-R2, Formula (I); wherein, m is independently 2 or 3; n is independently 1, 2, or 3; AA1 is independently K, R, or H; AA2 is independently I or W; AA3 is independently I or W; AA4 is independently K, R, or H; R1 is any one of -H, Y, LY, PLY, or LLY; R2 is any one of -OH, L, LL, E, EL, EW, W, EH, or EHL. While retaining its targeted antioxidant and anti-inflammatory functions, the polypeptide has removed the domain with high affinity for heparin, thereby avoiding signal interference and potential biosafety risks that may be caused by full-length PF4, and meeting the safety requirements for cosmetic ingredients.

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust removal connecting structure which comprises a first connecting ring, two connecting blocks are fixedly connected to the inner wall of the first connecting ring, an expansion ring is fixedly connected to the left side of the first connecting ring, and a convex ring is fixedly connected to the left side of the first connecting ring. A second connecting ring is detachably connected to the left side of the first connecting ring, a sealing groove is formed in the second connecting ring, a plurality of first springs are fixedly connected to the inner wall of the sealing groove, sealing rings are fixedly connected to the right sides of the first springs, and a clamping ring is fixedly connected to the interior of the second connecting ring. According to the utility model, dust-containing gas can be effectively prevented from escaping, the clean and safe working environment is guaranteed, the harm of dust to the health of personnel and the surrounding environment is greatly reduced, the stable airflow and pressure environment in the bag-type dust collector can be maintained, the efficient development of dust collection operation is ensured, and the reliable operation cycle and the service life of equipment are prolonged in an assisting manner.

The utility model relates to the technical field of plastic processing discloses an automatic expansion machine of insulating tube with automatic feeding, including main part assembly, including expansion machine body, expansion machine body one side is fixed with switch, expansion machine body one side is fixed with the material collecting box, feeding assembly, set up in expansion machine body, including feeding piece, the feeding piece includes the feeding roller. The utility model has the advantages that: a plurality of insulating tubes are placed in the special storage box in advance, the insulating tubes can be discharged from the storage box one by one to realize automatic feeding, which is convenient for operators to take, and the whole insulating tube expansion work can be carried out more efficiently and smoothly, the work efficiency and the convenience of operation are effectively improved, and the surface of the insulating tube can be prevented from being contaminated by dust, impurities and other foreign matters, the quality of the insulating tube is guaranteed, the insulation performance is maintained, and the risk of potential safety hazards caused by subsequent wrapping wire cores is eliminated.

The invention belongs to the technical field of oil and gas development, and particularly relates to a shale gas well tubing depth optimization method and system, a storage medium and equipment, and the method comprises the steps: collecting basic data of a shale gas well; the steady-state model is used for evaluating pressure drop loss, liquid carrying capacity and daily gas production rate of different oil pipe depth lowering positions, and an oil pipe depth lowering scheme is determined; dividing production stages of the shale gas well and formulating an optimization strategy; based on the basic data, establishing a shale gas well shaft multiphase flow dynamic model, and verifying the accuracy; using the multiphase flow dynamic model to simulate working conditions of different oil pipe depths, adjusting oil pipe depth positions and recording simulation results; and based on a multiphase flow dynamic model simulation result and an optimization strategy, establishing a multi-objective optimization model, optimizing an oil pipe depth scheme, obtaining a Pareto optimal solution, and determining an optimal oil pipe depth scheme. According to the method, the complex production environment of the shale gas well can be effectively handled, and scientific basis and technical support are provided for improving the economic benefit of shale gas development.

The present application provides a kind of linear elasticity-viscous relaxation formation's stress prediction method, comprising: S1, obtaining the generalized Hook's law of characterizing homogeneous isotropic elastic formation;S2, obtaining the formation stress logging calculation model of homogeneous isotropic linear elastic formation;S3, obtaining the horizontal stress difference calculation model of homogeneous isotropic linear elastic formation;S4, obtaining the horizontal stress difference prediction model of viscous relaxation formation;S5, obtain the basic model of horizontal principal stress difference of viscous relaxation formation;S6, obtain the horizontal maximum and horizontal minimum principal stress calculation model of viscous relaxation formation;S7, obtain the formation stress prediction model of linear elasticity-viscous relaxation formation;S8, model parameter acquisition method and rationality verification;S9, realize the formation stress profile prediction and formation stress longitudinal distribution characteristic analysis of linear elasticity-viscous relaxation formation;S10, obtain three-dimensional formation stress field prediction result, realize the formation stress spatial distribution characteristic analysis, solve the limitation of existing formation stress calculation model.

The invention discloses a nuclear magnetic resonance-based crude oil mobility limit quantitative characterization method and equipment and a storage medium, and belongs to the technical field of crude oil mobility in oilfield development. According to the characterization method disclosed by the invention, quantitative conversion between the relaxation time and the pore throat radius is realized on the basis of test results of nuclear magnetic resonance and rock core high-pressure mercury injection, then the use degree and change rate under different development modes are calculated, and the use limit is obtained through derivation fitting; according to the method provided by the invention, the blank of the quantitative characterization method for the movable conditions of the crude oil and the movable pore throat scale boundary can be filled, the lower limit of the movable pore throat size of the crude oil in different development modes can be simply and quickly identified, and the crude oil production boundaries in different development modes are compared; theoretical guidance and technical support are provided for efficient development of oil reservoirs and optimization and adjustment of follow-up recovery efficiency improving technical policies.

The utility model discloses a kind of estuary silt scouring and silting dynamic balance lock dam device, it is related to lock dam technical field. Including lock dam dam body, the top of the lock dam dam body is fixedly arranged with wave baffle, the top of the wave baffle is fixedly arranged with multiple pulleys of uniform distribution;Silt discharge assembly is arranged on the lock dam dam body, for the silt scouring and silting of upstream, cooling assembly is arranged on the lock dam dam body, for balancing the internal and external temperature difference of lock dam dam body, eliminating thermal cracking, the lock dam dam body is also provided with barrier component, for the blocking of larger stone when silt scouring and silting. In the utility model, by the combination of cooling assembly and barrier component, not only effectively balance the heat inside lock dam dam body, eliminate thermal cracking risk to guarantee dam body structure complete and stable, lay a solid foundation for long-term operation of device, also can accurately block out silting mouth when silt discharge, prevent large stone blockage, ensure that silt discharge is smooth and device stable and efficient operation.

This invention relates to a flood disaster assessment method based on the fusion of remote sensing imagery and GIS data, belonging to the field of flood disaster monitoring and assessment technology. This method solves the problems of insufficient timeliness, limited coverage, and the inability of a single data source to comprehensively reflect the disaster situation in traditional assessment methods. Its technical solution mainly includes utilizing GIS data to provide spatial semantic background support, employing an improved UMNet++ model to accurately extract water body information before and after the flood from Sentinel-2 remote sensing imagery, and achieving quantitative assessment and hierarchical visualization of disaster severity through multi-source data fusion and spatial overlay analysis. The beneficial effects of this invention are that it significantly improves the accuracy and comprehensiveness of flood disaster assessment, enabling rapid and scientific disaster response and decision support.

The utility model provides a shallow soil sampling device for geological exploration. The shallow soil sampling device comprises a soil sampler assembly capable of sampling soil, the soil sampler assembly comprises an engine, a shaft rod which is in transmission connection with an output shaft of the engine and extends in the vertical direction, and a soil sampling cylinder which is detachably connected with the shaft rod; the soil sampling cylinder comprises a plurality of groups of inserting plates and a plurality of groups of slotting plates, the inserting plates and the slotting plates are alternately connected and arranged, are arc plates, and are mutually matched and spliced to form a cylindrical structure which is detachably connected with the shaft rod; a cavity is formed in the slotting plate, a limiting assembly is arranged in the cavity, and a limiting groove matched with the limiting assembly is formed in the inserting plate; after the soil sampler successfully completes soil sample collection work, the cylindrical structure can be detached from the connecting block connected with the cylindrical structure. Then, the pulling piece is poked, the movement of the pulling piece can drive the inserting rod to act, and the inserting rod is made to be separated from the limiting groove. The purpose of the utility model is to keep a soil sample in a more complete state.

The invention belongs to the technical field of gas separation membranes, and particularly relates to a molecular simulation-based screening method of a coordination regulation mixed matrix membrane. The method is combined with a molecular simulation technology and is used for quantitatively evaluating the interface compatibility of the mixed matrix membrane and reasonably screening and designing a coordination active additive so as to synergistically optimize the interface structure and the gas separation performance. According to the method disclosed by the invention, a new method for accurate prediction and rational design from a microscopic molecular structure to macroscopic membrane performance is realized, and the method can be used for guiding efficient development of high-performance MMMs.

This utility model relates to the field of raw material cleaning technology and discloses a special cleaning machine for raw materials, including a base plate and a cleaning tank. A protective shell is fixedly connected to the left outer wall of the cleaning tank. A motor is mounted on the outer wall of the protective shell. A rotating shaft is fixedly connected to the drive end of the motor. A gear is fixedly connected to the outer wall of the rotating shaft. A toothed plate is meshed with the upper end of the gear, and a toothed plate is meshed with the bottom end of the gear. A cleaning screen is fixedly connected to the right outer wall of both toothed plates. In this utility model, the motor, rotating shaft, gear, toothed plate, and cleaning screen are sequentially connected and work together to achieve the alternating movement of the cleaning screen in and out of the cleaning tank, realizing the function of cleaning and removing cleaned materials simultaneously. By utilizing the meshing transmission of the gear and toothed plate, the guiding support of the inner wall of the cleaning tank, and the unique design of the double-layer cleaning screen, the working efficiency and effect of a special cleaning machine for raw materials are improved.

The invention discloses a coal reservoir permeability test optimization method and system, and the method comprises the steps: carrying out the clustering analysis of coal samples of different coal orders through a K-means clustering and random forest algorithm, and constructing a permeability test database containing the permeability of different coal orders, the fracture pressure, the pore characteristics and other parameters; on the basis of a CT scanning result of the coal sample, physical characteristics such as a pore structure and fracture distribution of the lump coal are analyzed, a representative position is selected for sample preparation, and a fracture pressure interval of the sample is pre-judged according to a database; intelligently adjusting a pressurization strategy according to the pre-judgment interval, and switching to slow gradient pressurization when the pressure is close to the fracture pressure of the coal sample; and according to the measured data points, abnormal points and invalid data points in a fracture area are automatically identified and eliminated based on a random forest algorithm, representative data points are optimally selected in a permeability test stable section and a characteristic inflection point interval, and finally data constraint and fitting correction are performed through a P50 probability method. The method can improve the efficiency and accuracy of the laboratory coal permeability test.

The invention belongs to the field of inventory prediction and optimization, and provides a dynamic disturbance perception inventory optimization method and system based on supply chain digital twinning, and the method comprises the steps: obtaining the full-link node data of a power grid supply chain, and extracting features; the method comprises the following steps: constructing a three-dimensional twin model of a power grid supply chain, considering scene features of the power grid supply chain, constructing disturbance factors, classifying unstructured disturbance factors and structured disturbance factors, fusing, and training a hybrid prediction optimization model according to the fused features in combination with power grid inventory management requirements in a power scene. Optimizing parameter configuration of the model; and processing the inventory data of the target area in the target scene by using the trained hybrid prediction optimization model, and determining a replenishment scheme. The inventory optimization accuracy can be improved, and the method is particularly suitable for electric power scenes.

The present invention relates to a method for producing human pluripotent stem cell-derived cardiac organoids, the method comprising steps of: (A) preparing embryonic bodies having a diameter of 100 um to 130 um by culturing human pluripotent stem cells (hPSCs); (B) culturing the embryonic bodies, prepared in step (A), until the embryonic bodies have a diameter of 200 um to 250 um; (C) differentiating the human pluripotent stem cell-derived embryonic bodies having a diameter of 200 um to 250 µm, obtained in step (B), into structures comprising mesoderm cells and endoderm cells; (D) differentiating the structures comprising mesoderm cells and endoderm cells, obtained in step (C), into cardiac organoids comprising self-organized cardiomyocytes, fibroblasts and vascular endothelial cells; and (E) culturing and maturing the cardiac organoids obtained by differentiation in step (D), wherein the cardiac organoids matured in step (E) contain self-organized cardiomyocytes, fibroblasts and vascular endothelial cells at a cell number ratio of 55 to 65: 15 to 30: 15.

The invention relates to a form generation method, computer equipment, a computer readable storage medium and a computer program product, and can be applied to the technical field of computers. The method comprises the following steps: analyzing form information in a preset format to obtain configuration information and verification information of form fields in the form information; generating a corresponding first form component according to the configuration information; according to the verification information, updating the first form component to obtain a second form component; according to the initial data corresponding to the second form component, performing data filling processing on the second form component to obtain a target form component; and generating a form corresponding to the target form component. By adopting the method, the form generation efficiency can be improved.

The invention provides a filling retaining wall containing honeycomb type reinforcing layers and a construction method of the filling retaining wall, and relates to the field of mine filling mining, the filling retaining wall comprises a first water filtering retaining wall and a second water filtering retaining wall which are vertically arranged in a filling access, and a first honeycomb type reinforcing layer and a second honeycomb type reinforcing layer are arranged between the first water filtering retaining wall and the second water filtering retaining wall; the first honeycomb type reinforcing layer and the second honeycomb type reinforcing layer are arranged in a staggered mode, and a plurality of drainage pipes are arranged on the second water filtering retaining wall. The overall strength of the filling body is improved, and the filling retaining wall construction process is simplified; the prefabricated hexagonal hollow retaining wall brick is simple in structure, low in cost and high in efficiency in the construction process, the honeycomb type reinforcing layer is formed through piling, the energy absorption mechanism of the honeycomb type structure is utilized, bearing capacity, construction efficiency, cost control and safety performance are considered, and efficient development of retaining wall construction and filling operation is achieved.

The utility model discloses a metal door surface treatment device, including the treatment platform, the both ends inner wall rotation of treatment platform front recess is connected with first threaded rod, one end outer wall fixed mounting of treatment platform has first motor, and the output shaft of first motor is fixedly connected with one end of first threaded rod, and the outside of first threaded rod is equipped with two groups of opposite output's thread groove, and the thread groove outside is connected with mobile station, and the both sides of mobile station and located the outside fixed connection of first threaded rod has ring cover, and the inboard fixed mounting of ring cover has the ring cleaning brush for cleaning first threaded rod. The utility model discloses through first motor drive first threaded rod rotation makes two mobile station along first sliding rod and moves to adapt to different width metal door, and the runner reduces friction, and the roller position prevents deviation, and ring cleaning brush continues to clean the surface impurity of first threaded rod simultaneously, thereby improves the processing efficiency, quality and equipment operation stability.

This utility model relates to the field of highway testing technology, and more particularly to a soil sampling device for highway construction. It includes a mounting frame with symmetrically arranged hydraulic cylinders connected to its center. The telescopic ends of the hydraulic cylinders are oriented upwards, and each telescopic end is connected to a mounting block. A servo motor is connected between the mounting blocks, with its telescopic end oriented downwards. A sampling component is connected to the telescopic end of the servo motor. The sampling component includes a rotating tube connected to the telescopic end of the servo motor, a sampling tube threadedly connected to the bottom of the rotating tube, and a drill bit threadedly connected to the bottom of the sampling tube. Both the sampling tube and the drill bit are hollow structures. A horizontal mechanism is provided on the mounting frame for balancing the device and facilitating better sampling. This utility model improves the adaptability and stability of the device under various terrain conditions through the horizontal mechanism, and also enhances the safety, accuracy, and convenience of operation, providing a strong guarantee for the efficient implementation of soil sampling work in highway construction.

The invention discloses a biological reef reservoir connectivity detection method. The method comprises the steps of obtaining a forward modeling profile; extracting maximum positive curvature attributes of an underlying stratum in the forward modeling profile at different positions; and based on the corresponding relationship between the maximum positive curvature of the underlying stratum and the connectivity of the biological reef, determining the connectivity of the corresponding biological reef reservoir according to the maximum positive curvature attributes of the underlying stratum at different positions. On the basis of the corresponding relation between the maximum positive curvature of the underlying stratum and the connectivity of the biological reef, the connectivity of the corresponding biological reef reservoir is obtained by utilizing the maximum positive curvature attributes of the underlying stratum at different positions, and the connectivity of the biological reef reservoir can be obtained under the condition that no well or few drilled wells exist in a target research area and sufficient production data is lacked. The connectivity of the biological reef reservoir can still be accurately judged, dependence on dynamic production data and static interpretation results is reduced, the problem that dependence on reservoir prediction and drilling verification is short is solved, and deployment of a biological reef oil and gas reservoir well location can be effectively helped.

The utility model provides a detection platform based on an atomic force microscope, which relates to the field of microscopic detection, and comprises a base, a detection table is fixedly connected onto the base, a back seat is fixedly connected onto the base, a microscope assembly is arranged on the back seat, and side seats are arranged on two sides of the base; and the automatic combination mechanism comprises two combination shells, the two combination shells are arranged on the two side seats respectively, and a rear box is fixedly connected to the side wall of the back seat. According to the utility model, the fan is started, so that gas flows in a circulating channel formed by the air inlet pipe, the rear box, the exhaust pipe and the fan between the two combined shells, fine pollutants do not exist in a detection space, and the situation that the normal work of a detection sample and a microscope assembly is possibly influenced by fine dust particles is avoided; through linkage of components such as the motor, the driving shaft, the driving block and the combined shell, automatic combination of the detection space is realized, and a closed detection space is rapidly formed.

This invention relates to a material conveying device for ramie textile processing, belonging to the field of textile machinery technology. It includes a machine body, a connecting frame mounted on one side of the machine body, a support plate mounted on the connecting frame near the machine body, multiple sets of guide holes at the top of the support plate, and a guide frame mounted on the side of the support plate away from the connecting frame. The guide frame is installed at an angle, and multiple sets of guide tubes are mounted on the top of the guide frame. A de-hairing component is mounted on the machine body near the guide frame. This invention, through the inclusion of a cleaning component, allows the collection mechanism, once full of impurities, to automatically flip into a washing tank for rinsing and cleaning. The filter plate achieves solid-liquid separation, facilitating centralized treatment of burrs. By setting up an integrated de-hairing and collection structure, and utilizing a fan and air holes to create a negative pressure airflow, it can efficiently adsorb free burrs, short fibers, and impurities on the surface of ramie fibers.

The invention discloses a method for obtaining and separating primary hepatic tumor cells and application thereof, and relates to the technical field of cytobiology, tumor research and antitumor drug development, the method is characterized in that MYC and AKT double genes are adopted in a mouse body to drive and induce liver cancer, and the primary hepatic tumor cells are obtained and separated from obtained liver cancer tissues. And the stable mouse liver tumor cell line (MLAML-1001D) is established and obtained. The liver cancer model constructed by double-gene driving has a complete tumor microenvironment, and highly simulates and restores the physiological microenvironment of liver cancer of clinical patients in the aspects of interaction of tumor cells and stromal cells, interaction of cells and extracellular matrix, interaction of tumor cells and immune cells and the like; therefore, a more accurate and efficient model is provided for researching growth, invasion and metastasis mechanisms of liver cancer and screening and evaluating liver cancer related drugs.

The utility model relates to corrugated pipe detection technical field discloses a kind of corrugated pipe forming detection tools, including detection component, the detection component includes: vertical cylinder, the bottom end of the vertical cylinder is fixedly connected with cavity block, multiple micropores are evenly provided in the inside bottom end of the cavity block, the lower surface of the cavity block is uniformly fixedly connected with multiple bristles, the top end of the vertical cylinder is threadedly connected with screw cap.The corrugated pipe forming detection tool, by the cooperation between the components of detection component, detection personnel hand holds vertical cylinder, with bristle brush, the part of corrugated pipe to be detected for air tightness is brushed, whether bubble appears is observed, the detection of the air tightness of corrugated pipe can be completed, in this process, detection personnel can control whether soap solution flows out in vertical cylinder by whether pressing pressure rod, without needing to dip soap solution for multiple times during detection operation, operation is more simple, and pollution is not easy to drop and cause, subsequent cleaning operation intensity can be reduced, and practicality is enhanced.

The application discloses a tackifier, a preparation method of the tackifier, a composite plug oil displacement agent and an enhanced oil recovery method. The tackifier contains structural unit A, structural unit B, structural unit C and structural unit D, and the mass ratio of the structural unit A, the structural unit B, the structural unit C and the structural unit D is (2000-20000):(2000-40000):(4000-60000):(6000-100000), n is 1-15, m is 1-20, and the viscosity average molecular weight of the tackifier is 45-50 million. The tackifier has the following advantages: under the condition of a temperature of 60-70 DEG C and a salinity of 10000 mg / L, the viscosity of a polymer solution is greater than 100 mPa s; when the concentration of the polymer solution is 1000 mg / L, the surface tension is less than 40 mN / m, the tackifier has the function of emulsifying and dispersing crude oil, and the oil displacement efficiency of a physical model is increased by more than 12%.

The invention provides a carbonate rock bursting pressure calculation method, system and equipment and a medium. The carbonate rock bursting pressure calculation method comprises the steps that the variable quantity of each physical property parameter and mechanical parameter of a rock core compared with the non-soaked rock core is obtained, and a relational expression that the variable quantity of each parameter changes along with the soaking duration is obtained through index fitting; drawing a cross plot according to the static Poisson's ratio and the static Young's modulus and the dynamic Poisson's ratio and the dynamic Young's modulus, and performing linear fitting to obtain a relational expression of dynamic and static conversion; for the target well, dynamic parameters obtained through logging calculation are converted into static parameters, and then physical property parameters and mechanical parameters are corrected to be in the non-soaked state according to the soaked time; and constructing a fracture pressure calculation model, introducing the corrected physical property parameters and mechanical parameters, and calculating the fracture pressure of the carbonate rock. According to the method, drilling fluid invasion dynamic conditions are considered, and the bursting pressure calculation is more accurate.

The application discloses a shale reservoir geology engineering double-sweet-spot evaluation method based on phase control constraint and data driving, relates to the technical field of shale reservoir geology engineering evaluation, and comprises the following steps: integrating core, logging, seismic and fracturing operation response data through a multi-parameter collaborative calculation platform, and screening geology and engineering sweet-spot core parameters; constructing a phase control elastic parameter inversion network to realize elastic parameter space inversion, building a geology engineering double-attribute coupling model to establish cross-dimension parameter correlation; determining and calibrating main control parameters by using a sensitivity prediction algorithm, and generating a time-space matched parameter distribution field through multi-scale collaborative calculation; constructing an evaluation system based on the distribution field, and completing double-sweet-spot region definition through double-attribute threshold division and space superposition analysis. Through coupling model building, sensitivity analysis and collaborative calculation processes, the method realizes deep fusion of multi-source data and accurate coupling of double attributes, and improves the accuracy and reliability of sweet-spot evaluation.