25results about How to "Improve the development effect" patented technology

The present application relates to the technical field of unmanned aerial vehicle software architecture, and particularly relates to an open unmanned vehicle navigation control software architecture implementation method, which comprises a functional node group, a node manager, a message transmission manager, a parameter server and a control algorithm library. The functional node group is a cluster of several independent functional nodes, the architecture unifies the external interface function form of each node and is uniformly managed by the node manager; the message manager is a low-overhead high-real-time message transmission mode used for message interaction between nodes; the software architecture is built-in with a parameter server capable of realizing parameter registration, storage and reading functions; meanwhile, some commonly used control algorithm libraries are configured for use by each node. The unmanned vehicle navigation control software architecture has the characteristics of low hardware overhead, high real-time performance, good scalability, supports multi-person collaborative development and can effectively reduce the software development threshold and cycle.

The embodiment of the invention provides a super heavy oil steam drive conversion opportunity judgment method and system, and belongs to the technical field of oil exploitation. The method comprises the following steps: classifying historical logging data and historical oil extraction data according to corresponding rotation drive opportunity judgment indexes to obtain a plurality of data sets; based on each data set, generating a judgment rule corresponding to the driving conversion opportunity judgment index item; acquiring acquisition state information in a current acquisition state in real time, and judging whether the current acquisition state information meets a driving conversion condition or not based on a judgment rule of each driving conversion opportunity judgment index item; and when the rotation driving condition is met, steam rotation driving is triggered and executed. According to the scheme, multiple key indexes are comprehensively considered, the limitation of a traditional single temperature judgment method is overcome, the accuracy and reliability of driving rotation opportunity judgment are remarkably improved, and the development effect of the super-heavy oil reservoir is optimized.

The invention discloses a starting pressure gradient-based oil reservoir differential use and strata series recombination optimization method, which comprises the following steps of: collecting a rock core, and carrying out a starting pressure gradient experiment; cleaning the test data, and removing abnormal values in the data set; starting pressure gradient and permeability data standardization; establishing a characterization model of the starting pressure gradient and the permeability; establishing a multilayer heterogeneous oil reservoir single-layer liquid production capacity model considering the starting pressure gradient; judging whether each oil layer of the target well can be effectively used or not; establishing a strata series recombination chart considering the starting pressure gradient; and based on the strata series recombination chart, carrying out strata series recombination and the like. According to the method, the matching relation between the maximum permeability and the minimum permeability which can be effectively utilized under different pressure difference conditions can be determined, more small layers can be started under the same production pressure difference condition of the same set of layer series, the reservoir which can be started under the same production pressure difference serves as one set of layer series, effective utilization of the small layers in the longitudinal direction is achieved through layer series recombination, and the stability of the reservoir is improved. And the water drive development effect is improved.

The present application belongs to the technical field of oil production matching technology, and discloses a high-coagulation heavy oil reservoir cold damage evaluation method, which utilizes physical simulation and numerical simulation methods to analyze the reservoir cold damage degree, reversibility, the minimum temperature for avoiding cold damage and the reservoir temperature recovery time from quantitative and qualitative aspects, wherein the physical simulation firstly determines the crude oil properties through the crude oil viscosity-temperature and wax precipitation experiments, then utilizes the core to carry out breakthrough pressure experiments to determine the occurrence temperature of the reservoir cold damage, startup pressure experiments to determine the minimum temperature for avoiding damage, relative permeability experiments to determine the influence degree of the cold damage on the reservoir percolation capacity, mercury injection experiments to analyze the influence of the cold damage on the reservoir pore structure, and two-dimensional nuclear magnetic experiments and laser confocal experiments to determine whether the cold damage is reversible and the reversible temperature; the numerical simulation is utilized to analyze the recovery time required for different liquid amounts and different temperature working liquids to enter the formation, so as to finally achieve the purposes of reducing the development cost of the high-coagulation oil reservoir and improving the development effect.

The embodiment of the application provides a double-sweet-spot prediction method and device for a geological reservoir, which comprises the following steps: obtaining a plurality of to-be-analyzed regions according to the three-dimensional distribution information of a double-sweet-spot index of a target reservoir, and obtaining the fracture propagation simulation result corresponding to the to-be-analyzed region; based on the established three-dimensional geological model of the target reservoir, according to the distribution information of the aquifer and the distribution information of the thin interlayer in the three-dimensional geological model of the target reservoir, and through the fracture propagation simulation result corresponding to the to-be-analyzed region, the to-be-analyzed region is marked as a double-sweet-spot region after it is determined that the fracture of the to-be-analyzed region will not communicate with the aquifer and can pass through the thin interlayer; and all double-sweet-spot regions are obtained by traversing the plurality of to-be-analyzed regions of the target reservoir, so as to complete the double-sweet-spot prediction of the target reservoir. By simultaneously considering the distribution information of the complex geological structure of the aquifer and the thin interlayer and the fracture propagation characteristics, the precision of the double-sweet-spot region prediction is improved, and the economy of the reservoir development is improved.

The invention belongs to the technical field of photocuring, and relates to a carbazole (ketone) oxime ester compound, a product containing the same and application of the carbazole (ketone) oxime ester compound. The structure of the compound is as follows: compared with existing and commercial photoinitiators, the compound has better sensitivity and stability.

The invention belongs to the technical field of water shutoff, profile control and displacement, water flooding improvement and recovery efficiency improvement in oilfield development, and discloses a design method for the dosage of a multi-channel seepage oil reservoir deep profile control and displacement plugging agent and a related device. The method comprises the following steps: acquiring seepage data of a main micro-crack, a secondary large pore channel and a water injection well shaft and characteristics of a plugging agent; according to the seepage data of the main micro-cracks, the secondary large pore channels and the water injection well shaft and the characteristics of the plugging agents, the plugging agent slug consumption for plugging the main micro-crack channels, the plugging agent consumption for plugging the secondary large pore channels and the plugging agent consumption required for diffusing and plugging macropores around the water injection well shaft are calculated; and designing the total dosage of the multi-channel seepage oil reservoir deep profile control and displacement plugging agent according to the dosage of the plugging agent slug for plugging the main micro-crack channel, the dosage of the plugging agent for plugging the secondary large pore channel and the dosage of the plugging agent for diffusing and plugging macropores around the shaft of the water injection well. The complex seepage system is regulated and controlled through deep profile control and displacement of the water injection well, and the microscopic seepage condition of the oil reservoir is improved.

The invention discloses a fractured tight oil reservoir saturation modeling method. The method comprises the following steps that S100, a well-seismic combined structure fault model is established; s200, under the constraint of a sedimentary facies mode, utilizing a single well facies as hard data in the longitudinal direction and data analysis according to a variation function on a plane as guidance, applying an SIS random algorithm to simulate sandstone facies distribution, and establishing a sandstone-mudstone spatial distribution model; s300, based on the seismic fusion attribute three-dimensional body and the sandstone three-dimensional model, establishing a fracture phase three-dimensional geologic model; s400, establishing a fault distance-saturation function through a fitting method, and establishing an oil saturation three-dimensional geologic model according to the function; compared with a traditional saturation modeling method, the saturation model established through the method has the advantages that the control effect of fracture on the oil-water distribution rule is described more accurately, the coincidence rate of the saturation model established through the method is 90% compared with that of a real drilled well, a good oil reservoir geologic model is provided for numerical simulation, and the development effect of an oil field is improved.

This utility model discloses an interventional puncture needle, relating to the field of medical device technology. It includes a needle hub and a needle tube. One end of the needle tube is fixedly connected to the needle hub, and the other end is the puncture end. The outer wall of the needle tube is provided with three sections of composite texture. The outer wall of the puncture end of the needle tube has a double-helix cross-shaped groove. The outer wall of the middle section of the needle tube has a reverse-interlaced variable-pitch spiral pattern. The outer wall of the section of the needle tube near the needle hub has a wavy groove. The double-helix cross-shaped groove, the reverse-interlaced variable-pitch spiral pattern, and the wavy groove on the outer wall of the needle tube can generate obvious echo signals under the action of ultrasound. These echo signals form a clear imaging effect in the ultrasound image, significantly improving the clarity and stability of ultrasound imaging. Furthermore, the wavy groove can reduce needle tip stress and improve the bending strength of the needle tube, providing a more precise and safer tool for interventional medical treatment.

The invention provides a negative photoresist and an application thereof. The negative photoresist comprises the following components in percentage by mass: 10-60% of functional acrylic resin, 5-40% of polyimide resin, 1-40% of an initiator, 1-50% of a cross-linking agent and the balance of a solvent, the functional acrylic resin is prepared by copolymerization of a functional monomer and a common monomer, and the structural general formula of the functional monomer is shown in the specification, r2 is selected from any one of a substituted or unsubstituted cycloalkenyl group, a substituted or unsubstituted oxygen heterocyclic alkenyl group, a substituted or unsubstituted sulfur heterocyclic alkenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted oxygen heteroalkenyl group, and a substituted or unsubstituted sulfur heteroalkenyl group. The polyimide resin has high heat resistance, the heat resistance of the negative photoresist can be improved by adding the polyimide resin, the functional acrylic resin contains a special double-bond structure, a denser cross-linked network can be formed in the exposure process, and therefore the linear shrinkage rate of a film layer is effectively reduced.

The invention relates to a profile control agent for a high-salinity-resistant deep oil reservoir and a preparation method of the profile control agent, and belongs to the technical field of oil exploitation. The profile control agent is composed of a pretreatment slug, a front slug I, an oil displacement slug II and a reinforced slug III according to a specific volume ratio, each slug adopts adaptive raw materials such as solid particles with composite particle sizes and a composite protective agent, and functional synergy is realized by optimizing a formula and a preparation process. The plugging agent can tolerate the degree of mineralization below 300000mg / L and the temperature of 40-120 DEG C, can realize deep accurate plugging and efficient oil displacement of an oil reservoir, and remarkably improves the plugging rate and the scouring-resistant stability. The profile control agent has the advantages of easily available raw materials, simple preparation and strong construction adaptability, and can effectively improve the oil reservoir development effect in the extreme environment and increase the recovery rate of remaining oil.

The invention discloses a well selection method and system for ultra-low permeability reservoir water injection well updating, and belongs to the technical field of oilfield development. The well selection method comprises the following steps that a target oil reservoir water injection well updating potential evaluation system is established; obtaining index parameters in the target oil reservoir water injection well update potential evaluation system corresponding to the target oil reservoir water injection well update candidate well, and normalizing the index parameters; and determining a potential comprehensive evaluation index of the updated to-be-selected well of each water injection well of the target oil reservoir, and determining a planned implementation well according to descending order arrangement. The method can solve the problems of low manual well selection efficiency, high individual subjectivity and large result difference at present, and ensures the implementation effect of updating of the water injection well.

The application provides a thick film positive photoresist composition, a preparation method and application thereof. The thick film positive photoresist composition comprises 70-90 parts of a base resin, 10-30 parts of a photosensitive compound and 100-150 parts of a solvent A; the base resin comprises a benzophenone modified phenolic resin and optionally an unmodified phenolic resin; the mass percentage of benzophenone groups in the base resin is 0.8-7.5% based on 100% of the mass percentage of the base resin; the photosensitive compound comprises a non-benzophenone photosensitive compound and optionally a benzophenone compound; the mass percentage of the benzophenone compound is less than or equal to 3.0% based on 100% of the mass percentage of the photosensitive compound. The application improves the uniformity of the benzophenone structure in the thick film positive photoresist composition by designing the specific composition of the thick film positive photoresist composition, thereby improving the steepness of the photoresist and realizing the development of the pattern.

A method and system for optimizing the design and fracturing scheme of shale gas horizontal wells, belonging to the field of oil and gas field development, includes: multi-source data collection and preprocessing; multi-source data fusion to generate a high-precision three-dimensional geological model; establishing reservoir attribute models and natural fracture models respectively, and predicting the activity of natural fractures; evaluation of geological engineering parameters, evaluation of vertical and horizontal sweet spots, and well location deployment; drilling / fracturing geological design; fracturing site tracking and post-fracturing production effect evaluation; using numerical simulation technology to predict the degree of shale gas horizontal well stimulation and gas well productivity, and continuously adjusting and optimizing the shale gas horizontal well design and fracturing optimization scheme based on the prediction results and feedback from actual production data. This invention has the advantages of high accuracy and reliability in reservoir evaluation, while reducing construction risks and improving development results; it also improves the productivity and economic benefits of shale gas horizontal wells.

The invention discloses poly (p-hydroxystyrene) resin and a preparation method and application thereof, and the preparation method comprises the following steps: under a polymerization reaction condition, in the presence of an initiator and an additive, carrying out a polymerization reaction on a monomer with a structure as shown in a formula (I) in a mixed solvent, and then carrying out a deprotection reaction, wherein the additive is selected from one or more of organic alkoxide, organic enol salt, organic alkali metal and organic alkaline earth metal; the mixed solvent comprises a polar ether solvent and a non-polar hydrocarbon solvent. According to the method, ultralow temperature and harsh experimental conditions are not needed, raw materials do not need to be treated in advance, reaction conditions are mild, controllability is high, industrialization is easy to achieve, the poly (p-hydroxystyrene) resin large in molecular weight and narrow in molecular weight distribution can be obtained, the PHS resin serves as matrix resin of a resist, and the corrosion resistance of the resist is improved. And the resolution ratio and the developing effect of the resist can be obviously improved.

The application provides a construction parameter optimization method for improving shale reservoir reconstruction rate, and the method comprises the following steps: establishing a three-dimensional shale reservoir fracture propagation model according to shale reservoir formation parameters of a target block; determining the value range of important construction parameters; determining multiple sets of combined parameters according to the value range of the important construction parameters; applying the multiple sets of combined parameters to the three-dimensional shale reservoir fracture propagation model one by one, performing numerical simulation on fracture propagation by using a finite element method, obtaining multiple simulation results respectively corresponding to different sets of combined parameters, and the simulation results include fracture propagation length; calculating reservoir reconstruction rates respectively corresponding to different sets of combined parameters according to the fracture propagation length; taking each reservoir reconstruction rate as a target response value, analyzing the significance of the construction parameters, and then determining the best combined parameters. The optimization method can improve the reconstruction effect of the shale reservoir, and further improve the development effect of shale oil and gas.

The application discloses a processing method for improving process defects of an image sensor, and comprises the following steps: step 1, providing a substrate comprising a substrate, a polysilicon layer arranged above the substrate, a plurality of grooves arranged in the polysilicon layer, and a side wall formed on the side wall of the groove, wherein the side wall is a SiN layer; step 2, introducing an oxygen-containing gas, and the oxygen-containing gas reacts with the surface of the SiN layer to form SiO x N y ; step 3, cleaning the substrate by using a cleaning reagent; and step 4, forming a photoresist pattern above the substrate to expose the groove; and the SiO x N y , wherein x represents the atomic proportion of O, and y represents the atomic proportion of N. The method provided by the application can effectively clean and remove the tiny particles on the side wall of the groove, avoids the negative influence of the tiny particles on the subsequent photoresist exposure and development, ensures the accurate implementation of the subsequent P-type ion implantation process, is beneficial to reducing white pixels, and improves the performance of the image sensor chip.

The application discloses a marker and a pushing device, and relates to the technical field of medical devices. The marker is a spring coil, and the spring coil is provided with a plurality of reflecting surfaces. The plurality of reflecting surfaces are divided into a dense reflecting part and a sparse reflecting part. The dense reflecting part is used for forming a dense bright band image during development, and the sparse reflecting part is used for forming a spaced bright band image during development. The application provides a marker for breast lesion positioning, which enhances the development of the marker under ultrasound, and the marker can quickly recover to an unfolded state after being released to a target position, and is firmly combined with tissue and is not prone to displacement.

The application is a crowd-sensing task allocation method based on proficiency cooperation. Firstly, the crowd-sensing scene is divided into multiple areas, and the users in each area are divided into a group, and one group leader is selected in each group. Secondly, the sensing platform sends a task set to the users. The users sort the tasks from early to late according to the deadlines, and obtain a task queue. When the users receive a new task, the new task is inserted into the task queue according to the deadline of the new task. Then, when the task quantity of the users does not increase suddenly, the users execute the tasks according to the order of the task queue. When the task quantity increases suddenly, the users send the task queue to the group leader. If the task quantity of the group leader increases suddenly, the group leader feeds back to the sensing platform and requests the nearby user group for assistance. The sudden increase of the task quantity refers to that the ratio of the to-be-completed task quantity of the user to the processing speed is greater than a set threshold. Finally, the group leader obtains the global optimal solution of the target function on the device of the group leader by using a swarm intelligence algorithm, and allocates the tasks in the task queue according to the global optimal solution. The method considers the balance of the task quantity and the balance of the processing speed of each user while striving to minimize the overall task completion time, thereby effectively reducing the operating cost.

The application discloses a CO2-ion water flooding molecular dynamics simulation method and belongs to the technical field of CO2 oil displacement. The method comprises the following steps: establishing oil molecule models, water molecule models, CO2 molecule models, CaCl2 molecule models and graphene plate models corresponding to the characteristics of a target oil reservoir; optimizing the geometric structures of the models; assembling the optimized molecular models into a CO2-CaCl2-H2O ternary displacement system and performing molecular dynamics simulation; selecting an NVT ensemble during simulation, applying a periodic boundary condition, adopting a COMPASS II force field and configuring atomic potential parameters, running energy minimization and temperature initialization, and then performing displacement process simulation; quantitatively evaluating the oil displacement effect of the displacement medium of the CO2-CaCl2-H2O ternary system based on a trajectory file output by simulation; and the application can better explain the behavior of molecules under the synergistic action of multiple displacement media, reflect the oil displacement microscopic mechanism under the synergistic action of multiple displacement media, and has important significance for optimizing the development effect of tight oil reservoirs and improving the recovery rate.

The application relates to resource allocation, in particular to an AR multi-task resource allocation optimization method, which determines the types and total amount of available resources in an AR system, collects task information of resources to be allocated, determines a solution space, a target function and a constraint condition of multi-task resource allocation optimization, constructs a resource allocation optimization model, adopts an adaptive dynamic balance of a loach and a pike optimization algorithm to solve the resource allocation optimization model, obtains an optimal resource allocation scheme, and applies the optimal resource allocation scheme to the AR system to realize efficient allocation of multi-task resources; the technical scheme provided by the application can effectively overcome the defects that the prior art cannot realize reasonable, accurate and efficient allocation of multi-task resources in the AR system.

The present application relates to the field of medical devices, and provides a medical stent, which comprises a tubular mesh structure composed of a plurality of interconnected wave rods, and an enhanced imaging area is arranged on at least one wave rod, and a development wire winding is wound around the enhanced imaging area, which is beneficial to enhance the development performance of the medical stent, and does not increase the delivery resistance of the medical stent. Further, the wave rod is further provided with a limiting structure located at both ends of the development wire winding in the enhanced imaging area, which can avoid displacement or uncoiling of the development wire winding, so that the accuracy of the development image obtained by using the medical stent is higher. The present application further provides a forming method of the above medical stent, which has a lower cost and the formed medical stent has the same or similar advantages.

The application discloses a shale gas well partition seepage production system optimization device and method, relates to the technical field of shale gas reservoir recovery improvement development, and comprises a plurality of high-temperature and high-pressure core clamps with confining pressure devices, which are respectively provided with cores of different partitions in a reservoir, are connected in series by pipelines between the core clamps, and are all provided with pressure gauges between the core clamps and at the head and tail ends. The pressure gauges at the head end are sequentially connected with a liquid flowmeter, a three-way valve, a back pressure valve, a metal horizontal wellbore and a gas flowmeter through pipelines. The three-way valve is connected with a fracturing fluid intermediate container through a pipeline, the fracturing fluid intermediate container is connected with a high-pressure displacement pump II through a pipeline. The pressure gauges at the tail end are connected with a gas source intermediate container and a liquid recovery device through pipelines, and the gas source intermediate container is connected with a high-pressure displacement pump III through a pipeline. The method and device can be used for studying the production and pressure drop distribution under different production systems, and can provide a reference for the development of shale gas reservoirs according to the actual production conditions of the gas reservoirs.

The invention discloses a method and device for evaluating the yield increasing capacity of a shale gas well. The method for evaluating the yield increasing capacity of the shale gas well comprises the steps that stratum energy basic information, material basic information and effective fracture flow capacity information of a target shale gas well are determined respectively; based on the stratum energy basic information, the material basic information and the effective fracture flow capacity information, yield increasing capacity information of the target shale gas well is determined; and evaluating the yield increasing capacity of the target shale gas well based on the yield increasing capacity information. The problems of excessive basic data, excessive related fields, lack of unified evaluation standards and the like are avoided, expression of the yield increasing capacity of the target shale gas well is clear, the yield increasing capacity of the target shale gas well is evaluated, the used data volume is small, and the yield increasing capacity of the target shale gas well can be evaluated stably. And quantitative evaluation of the yield increasing capacity of the shale gas well is realized.