Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

47 results about "Late development" patented technology

Heavy oil reservoir combined type oil displacement method and oil displacement composition

InactiveCN106801597AGood viscosity reduction effectSolving the problem of enhanced oil recoveryFluid removalPolymer scienceLate development
The invention discloses a heavy oil reservoir combined type oil displacement method including tow manners. The first manner includes: (1) preparing a viscosity reducer solution; (2) preparing a polymer solution; (3) preparing a viscosity reducer + polymer binary system by using the viscosity reducer solution and the polymer mother solution, and acquiring a mixed solution; and (4) injecting the mixed solution to a stratum from a water well by using a pump. The second manner includes: (1) preparing a polymer solution; (2) preparing a viscosity reducer solution; and (3) injecting the polymer solution as a first slug to a stratum from a water well by using an injection pump, and injecting the viscosity reducer solution as a second slug to the stratum from the water well. The invention also discloses an oil displacement composition, i.e., the mixed solution of the step (3) in the first manner. The oil displacement system is combined by the viscosity reducer and the polymer; the viscosity reducer has an excellent viscosity reduction effect; and the oil displacement system can be used for enhancing oil recovery in a common heavy oil reservoir, can achieve viscosity reduction and profile control at the same time, and can greatly improve the oil recovery in later development stage of the common heavy oil reservoir.
Owner:CHINA PETROLEUM & CHEM CORP +1

Shallow-water lotus root planting method

The invention discloses a shallow-water lotus root planting method. The method comprises the following steps of field selection, wherein a planting field is selected; lotus seed selection; field preparation and fertilizer application, wherein base fertilizer is applied before field preparation, after the base fertilizer is applied, deep plowing is carried out to turn the base fertilizer into soil, then leveling and thorough furrowing are carried out, and shallow water is introduced for retting; planting and close planting; staged topdressing, wherein tiller fertilizer is applied, application time is 30-40 d after lotus root planting, urea is applied by the ratio of 150-225 kg/hm<2>, thoroughly-decomposed manure is applied by the ratio of 22.5 t/hm<2>, lotus root yielding fertilizer is applied, and according to application time, when vertical leaves grow in the field full, ridgepole leaves come out of some plants, lotus roots begin to be yielded underground; urea is applied by the ratio of 300 kg/hm<2>, and calcium superphosphate is applied by the ratio of 300-375 kg/hm<2>; water level management, wherein during the earlier stage of growth, the water level is 5-10 cm, during the middle stage of growth, water is irrigated until the water depth is 15-25 cm, and during the late development stage, the water level is gradually lowered to 10-15 cm. The yield of shallow-water lotus roots can be effectively increased, and the quality of the shallow-water lotus roots can be effectively improved.
Owner:全椒县琪悦家庭农场

Sensor-based intelligent automatic regulating system and method

InactiveCN105923475ARealize the running status detection functionRealize intelligent upgradeElevatorsAnalysis dataGyroscope
The invention discloses a sensor-based intelligent automatic regulating system and method. The system comprises an elevator control system and a sensor detection module, wherein the sensor detection module comprises a six-axis gyroscope and a data processor which are arranged on an elevator car; the six-axis gyroscope, the data processor and the elevator control system are sequentially connected with one another; the six-axis gyroscope is used for detecting the running condition of the elevator car in real time, acquiring three-dimensional motion angular velocity data and acceleration data of the elevator car, and feeding back the acquired data to the data processor; the data processor is used for receiving the three-dimensional motion angular velocity data and the acceleration data fed back by the six-axis gyroscope, analyzing the received three-dimensional motion angular velocity data and acceleration data, and feeding back the analysis data to the elevator control system; and the elevator control system is used for analyzing the current elevator running condition according to the analysis data fed back by the data processor, and regulating the elevator running according to the analysis result of the current elevator running condition. The system provided by the invention is relatively low in cost, simple and convenient in later development, and easy to maintain.
Owner:GUANGZHOU GUANGRI ELEVATOR IND

Method and device for clothing personalized design based on multi-source dynamic knowledge map

The present invention provides a method and device for clothing personalized design based on a multi-source dynamic knowledge map. The method includes the steps of obtaining clothing fashion trends and clothing engineering technical information in real time from unstructured texts of different data sources; generating a clothing design knowledge map from a public knowledge map; integrating the clothing fashion trends, the clothing engineering technical information and the clothing design knowledge map, and constructing a multi-source dynamic clothing design knowledge map that reflects the dynamic changes of the clothing fashion trends and the latest developments in clothing engineering technology; importing the personalized data of a user into the multi-source dynamic clothing design knowledge map to complete the clothing personalized design. The method and device for clothing personalized design based on the multi-source dynamic knowledge map integrates the public knowledge map, real-time information of the clothing fashion trends and the latest development status of the clothing engineering technology with the user personalized data from clothing consumption diversification and personalized demands to shorten the personalized design cycle of the clothing and improve the personalized design quality of the clothing.
Owner:SOUTH CHINA AGRI UNIV

Deep coating composite gel modifying and flooding agent for oil recovery and preparation method of deep coating composite gel modifying and flooding agent

The invention provides a deep coating composite gel modifying and flooding agent for oil recovery, which is characterized by comprising the following components in percentage by weight: 0.5-5% of a composite polymer, 0.1-5% of a cross-linking agent, 0.05-2% of a pH regulator and the balance of water. A preparation method of the deep coating composite gel modifying and flooding agent for oil recovery comprises the following steps: dissolving the composite polymer in water, adding the cross-linking agent, mixing, heating to 65-80 DEG C, reacting for 40-60min, and adding the pH regulator to regulate pH to 4-7. The deep coating composite gel modifying and flooding agent for oil recovery, disclosed by the invention, is suitable for various environments; the preparation method is simple; the gel forming time is adjustable; the deep coating composite gel modifying and flooding agent has excellent injectivity, shearing resistance, heat stability and plugging performance, is suitable for modifying and flooding operation of an injection well, and has excellent application prospect in term of stabilizing oil production and controlling water cut for enhancing oil recovery in later development of a high water-cut oilfield.
Owner:TIANJIN DAGANG OILFIELD BINGANG GRP BOHONG PETROLEUM CHEM

Distributed cooperation frequency spectrum perception method in cognitive radio Ad hoc network

ActiveCN106301627ARobust Distributed Cooperative Spectrum SensingReliable Distributed Cooperative Spectrum SensingTransmission monitoringCognitive userFrequency spectrum
The invention provides a distributed cooperation frequency spectrum perception method in a cognitive radio Ad hoc network, wherein the method relates to the cognitive radio field in wireless communication technology. For aiming at problems of high distributed cooperation difficulty and high total-network cooperation cost in the cognitive radio Ad hoc network, latest development of a gradient algorithm is applied in the method. The distributed cooperation frequency spectrum perception method realizes full-distributed, steady and reliable distributed cooperation frequency spectrum perception on the condition that network perception cost is greatly reduced. Through designing an optimal cost function, calculating number of optimal cooperation nodes, and selecting nodes for performing the distributed cooperation algorithm according to the number of the optimal cooperation nodes, a perception result is obtained and is broadcast to total-network users. According to the distributed cooperation frequency spectrum perception method, knowing of prior information of a signal-to-noise ratio by a cognitive user is not required, and no central controller is required, thereby greatly reducing perception expenditure and obtaining a detecting performance which is approximate to a total-network gradient cooperation solution.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Modified phenolic cross-linking agent, method for preparing same and application of modified phenolic cross-linking agent

ActiveCN107057667ASlow down the rate of self-condensationReduce contentDrilling compositionCross-linkBenzoic acid
The invention discloses a modified phenolic cross-linking agent, a method for preparing the same and application of the modified phenolic cross-linking agent, and belongs to the technical field of oilfield chemistry. The modified phenolic cross-linking agent comprises, by weight, 90-95 parts of phenolic prepolymers and 5-10 parts of stabilizers. Reaction is carried out on phenols and formaldehyde with the molar ratio of 2.5:1-3:1 under the effect of alkali catalysts to obtain the phenolic prepolymers, and the content of hydroxymethyl in the phenolic prepolymers is 18.92-23.34%; the stabilizers comprise amino-substituted benzoic acid. The modified phenolic cross-linking agent, the method and the application have the advantages that the storage effective life of the modified phenolic cross-linking agent at the room temperature is longer than 6 months; when the modified phenolic cross-linking agent is applied to preparing cross-linked polymer gel profile control agents, the gel forming temperatures are 80-120 DEG C, the gel forming time is 24-120 h, formed gel systems are stable, the viscosity of gel can reach 8000 mPa.s at least, and the modified phenolic cross-linking agent and the method are applicable to deep profile control and flooding operation treatment for injection wells and have excellent application prospects in the aspects of increase of crude oil recovery ratios during late development of oilfields with high water cut.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2

Seedling-period concentrated biogas slurry leaf fertilizer applicable to cotton transplanting and application thereof

The invention discloses a seedling-period concentrated biogas slurry leaf fertilizer applicable to cotton transplanting and application thereof. The seedling-period concentrated biogas slurryleaf fertilizer is prepared from urea, ammonium nitrate, potassium nitrate, potassium acetate, dipotassium phosphate, ammonium sulfate, magnesium sulfate and glycerinum in a certain ratio. A preparation method comprises the following steps: A, heating concentrated biogas slurry; B, sequentially adding urea, glycerinum, ammonium nitrate, potassium nitrate, potassium acetate, dipotassium phosphate, ammonium sulfate and magnesium sulfate into 700mL of the concentrated biogas slurry, uniformly stirring, and cooling; and C, fixing the volume by using normal-temperature concentrated biogas slurry, thus obtaining the seedling-period concentrated biogas slurry leaf fertilizer. The seedling-period concentrated biogas slurry leaf fertilizer is safe in quality, can be biologically decomposed and utilized, is environmental-friendly, is simple and convenient to operate and reasonable in nutrition formula; pot experiments and field plot experiments show that the problems that the yield and the quality are affected as slow seedling reviving in a seedling period, late development and late maturing are caused by nutrient absorption deficiency due to root system damage and activity reduction are solved, and the fertilizer is easy to popularize and use.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI +1

Photovoltaic panel power generating capacity increasing method, special efficiency glass panel thereof and glass panel outer support device

InactiveCN105305952ADon't worry about the problem of rapid agingDon't worry about agingPhotovoltaic supportsPhotovoltaic energy generationLate developmentFixed frame
The invention provides a photovoltaic panel power generating capacity increasing method, a special efficiency glass panel thereof and a glass panel outer support device, which belongs to the technical field of wavelength conversion materials. A glass panel device is added on or outside a photovoltaic device. The efficiency glass panel is fixedly arranged on the added glass panel device. A part of or all efficiency glass panel which is fixedly arranged covers the light-receiving surface of a photovoltaic panel. The added glass panel device comprises a glass panel fixing frame and a support mechanism thereof. The efficiency glass panel is fixed on the frame. According to the invention, post installation can be carried out; a photovoltaic power generation customer can immediately enjoy the latest developments of solar spectrum changes; the power generating capacity of the installed photovoltaic panel is enhanced; through a material with increased spectrum conversion efficiency, the efficiency glass panel realizes spectrum transformation; three perpetual usage weaknesses of a background technology are overcome; development and selection scopes of a fluorescent agent are expanded; and spectrum transformation can be carried out on the photovoltaic panels in a use process; and the power generating capacity is improved.
Owner:张国柱

Single-chain antibody of target EGFR dimerized interface and application of antibody

The invention discloses a single-chain antibody of a target EGFR dimerized interface and application of the antibody. Fusion protein contains an amino acid sequence in which heavy-chain variable-region protein, connecting peptide and light-chain variable-region protein are sequentially connected with one another from 5' to 3', wherein the amino acid sequence of the heavy-chain variable-region protein is shown as SEQ ID NO:1, and the amino acid sequence of the light-chain variable-region protein is shown as SEQ ID NO:3. Genes of the single-chain antibody of the target EGFR dimerized interface and Pichia pastoris engineering bacteria are constructed and optimized, and the single-chain antibody is obtained through fermentation and separation purification, that is to say that the single-chainantibody of the target EGFR dimerized interface is prepared efficiently and successfully by means of a genetic engineering technology. The antibody is low in relative molecular mass, high in penetrability, more excellent in tumor inhibition effect during solid tumor treatment and capable of effectively inhibiting abnormal expression of EGFR to prevent the proliferation and growth of tumor cells; afoundation is laid for later development of novel inhibitors of the EGFR, and the antibody has a high application value.
Owner:GUANGDONG PHARMA UNIV

Development of a mapping method for complex fault-block variable-velocity structures in the later stage

The invention provides a complex fault block velocity-varied structure mapping method in late development. The method comprises steps: 1, the interval velocity of a single well is acquired through a seismic interpretation horizon and a geological stratification; 2, horizon-oriented seismic attributes which can reflect lithological changes are extracted, and an attribute image and an equal T0 imageare superposed; 3, based on the principle of a consistent formation velocity at the same lithology and at the same time, velocity points of areas with no wells or with nonuniformly-distributed wellsare encrypted; 4, with the seismic interpretation horizon as a trend surface and with a fault boundary as an interpolation boundary, interpolation is carried out on the interval velocity of the singlewell, and a two-dimensional interval velocity field is built; and 5, the generated two-dimensional interval velocity grid and the equal T0 grid are multiplied for time-depth conversion, and a final structure map is obtained. The method provides accurate basic guidance for the study of a remaining oil distribution law and the development of well pattern reorganization in complex fault block fine reservoir description, a guidance role is played in late development of the reservoir of the kind, the prospect of popularization and application is broad, and economic and social benefits are remarkable.
Owner:CHINA PETROLEUM & CHEM CORP +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products