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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 21. Отображено 21.
16-06-2023 дата публикации

Wellhead tool matched with gas lift of 2-inch coiled tubing plunger

Номер: CN116263085A
Принадлежит:

The invention discloses a 2-inch coiled tubing plunger gas lift matched wellhead tool which comprises a large four-way joint, a left connector of the large four-way joint is connected with a first left side pipeline, a right connector of the large four-way joint is connected with one end of a first right side pipeline, a lower connector of the large four-way joint is connected with a wellhead, and an upper connector of the large four-way joint is connected with one end of a gate valve assembly. The other end of the gate valve assembly is connected with a lower connector of a small four-way joint, a left connector of the small four-way joint is connected with a second left side pipeline, a right connector of the small four-way joint is connected with one end of a second right side pipeline, an upper connector of the small four-way joint is connected with a lubricator through a seventh gate valve, the lubricator is provided with a catcher, and the pipe wall of the lubricator is connected ...

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04-07-2023 дата публикации

Remote operation ice maker based on Internet of Things

Номер: CN116379662A
Принадлежит:

The invention discloses a remote operation ice maker based on Internet of Things, and relates to the technical field of ice makers. The device comprises a device body, a cover plate is hinged to the right side of the device body, a collecting box is fixed to the right side of the bottom of the inner wall of the device body, an intelligent water tank and a refrigerating machine are sequentially fixed to the left side of the device body from top to bottom, and Internet of Things modules are arranged in the intelligent water tank and the refrigerating machine and controlled by a mobile phone APP. And a fishbone-shaped water spraying pipe is fixed to the water outlet end of the intelligent water tank, a refrigerating piece is fixed to the right side of the refrigerating machine, and an ice making device is further included. Through the arrangement of the ice making device, an electric control telescopic rod and a top plate are matched to drive a top rod to extrude a rubber part at the bottom ...

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25-07-2023 дата публикации

Dam structure monitoring abnormity identification method and device

Номер: CN116484209A
Принадлежит:

According to the dam structure monitoring abnormity identification method, firstly, non-stationary information in dam structure monitoring data after an external risk event is encountered is extracted, and time-frequency signal features are analyzed; responsivity parameters of monitoring data to external risk events are calculated by using information entropy, a bidirectional relation between risk event related knowledge and the monitoring data is established through the responsivity parameters, and time-frequency feature vectors of measuring point data with relatively high responsivity to various external risk events are constructed; secondly, learning and training high-responsivity measuring point data time-frequency characteristics corresponding to various external risk events by using a monitoring data typical time-frequency identification model, and forming a curing mode to provide comparison and reference for monitoring data time-frequency characteristics of the dam under the condition ...

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11-07-2023 дата публикации

Plunger device with bidirectional self-buffering function

Номер: CN116411892A
Принадлежит:

The invention relates to the technical field of gas field mining equipment, in particular to a plunger device with a bidirectional self-buffering function, which comprises a plunger part and two movable parts positioned in the plunger part, and the movable parts are symmetrically arranged by taking a vertical plane of the length axis of the plunger part as a symmetric plane; the movable part comprises a buffer spring and two guide rods, the length axis of the plunger part is coaxial with the telescopic axis of the buffer spring, one end of each guide rod is connected with the buffer spring, the other end of each guide rod extends out of the end of the plunger part, and the guide rods are in sliding connection with the plunger part; a first through groove is formed in the guide rod, and the length axis of the first through groove communicates with the interior of the plunger part. According to the plunger device with the bidirectional self-buffering function, the purpose of bidirectional ...

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26-03-2014 дата публикации

Split plunger device for non-shut-in continuous production

Номер: CN103670337A
Принадлежит:

The invention discloses a split plunger device for non-shut-in continuous production and aims to achieve periodic liquid lifting using self-energy of a gas well and increase productivity. The split plunger device is composed of an underground buffer device, a split plunger and a wellhead buffer device. Specifically, the split plunger device comprises a buffer spring, a guide tube, a seating device, the split plunger, tapered seal rubber tubes, a seal tube, a fishing head, a slip, a drop bar and the like, wherein a connecting shaft is sleeved with the buffer spring and the guide tube, the guide tube is sleeved with the seating device which is connected with a wire circlip, the fishing head and the slip are connected with a body, and the drop bar is connected with a body connecting bar. The plunger of the split plunger device lifts liquid to a wellhead, splits up after being impacted by the wellhead buffer device, falls back to a down hole to seal again; under the condition of non-shut-in ...

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05-11-2014 дата публикации

Electric brush head

Номер: CN104128319A
Принадлежит:

The invention relates to a cleaning tool, in particular to an electric brush head. The electric brush head comprises a brush body 1, a cleaning head I 2, a cleaning head II 3, a gear I 4, a gear II 5, a gear III 6, a motor 7, a mounted bearing I 8, a mounted bearing II 9, a connector I 10, a connector II 11 and a motor base 12. The cleaning head I 2 and the cleaning head II 3 are movably connected with the brush body 1 through the mounted bearing I 8 and the mounted bearing II 9 respectively and can rotate along the axis of the brush body 1. The motor 7 is fixed to the brush body 1 through the motor base 12 and transmits power to the cleaning head I 2 and the cleaning head II 3 through the gear I 4, the gear II 5 and the gear III 6. The cleaning head I 2 and the cleaning head II 3 are respectively and fixedly connected with a plurality of brush pieces, so the weight of the cleaning heads can be reduced, and cleaning efficiency can be improved. The electric brush head can drive the cleaning ...

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25-11-2015 дата публикации

Simple and easy plunger device of gas well well head

Номер: CN0204804737U
Принадлежит:

The utility model provides a simple and easy plunger device of gas well well head, simple and easy plunger device of gas well well head includes: a gas production tree first valve, gas production tree second valve and gas production tree third valve for be connected with the well head, fourth valve and the 5th valve are connected to the other end of the first valve of gas production tree, well head blowout preventer is connected to the other end of fourth valve, the solenoid valve, first end all is connected with gas production tree third valve and the 5th valve, and the flowmeter is connected to the second end, the stop valve is connected to the other end of flowmeter. The utility model has the advantages that replace pneumatic stop valve and the intelligent control box of conventional plunger gas lift ground installation through the gas well well head solenoid valve that adopts solenoid valve switch well, simplify plunger gas lift wellhead assembly system, realize the purpose of solenoid ...

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04-03-2015 дата публикации

Cushioned drainage and gas production plunger

Номер: CN104389782A
Принадлежит:

The invention provides a cushioned drainage and gas production plunger which comprises a body and a guide head. The guide head is positioned at the lower end of the body and is connected with the body by screw threads, and a cushion block is embedded in the outer surface of the body and is connected with the body by guide pins and a spring. The cushioned drainage and gas production plunger has the advantages that gas slipping and liquid leakage can be prevented in lifting procedures, the spring can be compressed by the cushion block under oil pipe reducing conditions, so that the plunger can be necked down, can smoothly pass reducing positions of oil pipes and can be prevented from being jammed in ascending and descending procedures, and drainage and gas production operation can be assuredly smoothly carried out.

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18-02-2015 дата публикации

Antifreezing foaming agent and preparation method thereof

Номер: CN104357037A
Принадлежит:

The invention belongs to the technical field of oil-gas field chemical industry, and particularly relates to an antifreezing foaming agent. The antifreezing foaming agent is prepared from the following raw materials in percentage by mass: 30-50% of lauramido propyl amine oxide, 10-30% of dodecyl dimethyl betaine, 0.3-0.8% of polyvinylpyrrolidone, 15-25% of sodium chloride, 5-15% of ethylene glycol and 5-15% of water. The invention also relates to a preparation method of the antifreezing foaming agent, which comprises the following steps: sequentially adding formula amounts of lauramido propyl amine oxide, dodecyl dimethyl betaine, polyvinylpyrrolidone, sodium chloride and ethylene glycol into 5-15 wt% water while stirring, and completely dissolving. After being added into the water-producing gas well, the antifreezing foaming agent has the advantages of high foaming capacity, high foam stability and high liquid carrying capacity; the foaming effect is not influenced in the low-temperature ...

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04-07-2023 дата публикации

Ice maker capable of being remotely maintained

Номер: CN116379663A
Принадлежит:

The invention discloses an ice maker capable of being remotely maintained, and relates to the technical field of ice makers, the ice maker comprises an ice maker body, and also comprises a pushing device and an air suction device; wherein a cover plate is rotationally mounted at the top of the ice maker body, and a storage groove is formed in the ice maker body; wherein the pushing device comprises a fixing frame, a sealing plate, a supporting rod, a contact plate, an elastic telescopic plate and an arc-shaped air bag, the fixing frame is fixedly installed at the bottom of the storage groove, the sealing plate is slidably installed in the fixing frame, the supporting rod is fixedly installed at the top of the sealing plate, and the contact plate is fixedly installed at the top of the supporting rod. The ice cuber has the characteristics of high practicability and convenience in taking out ice cubes in the storage tank.

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21-04-2023 дата публикации

Unmanned vehicle concrete dam surface defect dynamic detection method based on wolf pack algorithm

Номер: CN115994891A
Принадлежит:

The invention discloses an unmanned vehicle concrete dam surface defect dynamic detection method based on a wolf pack algorithm. The method specifically comprises the steps of 1, defining the number of artificial wolves in an unmanned vehicle cluster and a central control node; 2, initializing parameters used by the method for dynamically detecting the surface defects of the concrete dam of the unmanned vehicle; 3, initializing a reconnaissance environment of the unmanned vehicle concrete dam surface defect dynamic detection method; 4, searching wolves to dynamically detect dam defects; 5, the central control node selects a first wolf; step 6, the cooperative wolves carry out a purse-attack behavior on defects near the first wolf; step 7, synchronizing the defect picture and the defect state expression to the central control node by the cooperation wolf; 8, the first wolf is initialized again; and 9, repeating the steps 4-8 until all defects are detected. According to the method, model ...

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04-03-2015 дата публикации

Hydropower station water conservancy project inspection system supporting multi-terminal platform

Номер: CN104392506A
Принадлежит:

The invention discloses a hydropower station water conservancy project inspection system capable of supporting a multi-terminal platform. An operating method of the system comprises the following steps that mobile equipment synchronizes historical data; the mobile equipment acquires water conservancy project inspection data; the mobile equipment uploads latest inspection data and a PC terminal manages the inspection data and automatically generates a report. The mobile equipment downloads the latest water conservancy project inspection data to a mobile terminal from the PC terminal, result information of the last inspection is conveniently acquired by a user during inspection in each time, and the information can be compared with current inspection site condition. The water conservancy project inspection field data are recorded by using a mobile terminal. The water conservancy project inspection data information in the mobile equipment is introduced into the PC terminal, basic data information ...

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25-03-2015 дата публикации

Oil-resistant foaming agent and preparation method thereof

Номер: CN104449632A
Принадлежит:

The invention belongs to the technical field of oil and gas field chemical engineering, and particularly relates to an oil-resistant foaming agent. The oil-resistant foaming agent comprises, in percentage by weight, 50-70% of alkyl propyl betaine, 5-15% of an anionic surfactant, 10-20% of cetyl trimethyl ammonium bromide and 10-20% of water. The oil-resistant foaming agent is high in foaming capacity and high in foam stability after added to water-producing gas wells, still high in liquid carrying capacity for gas-condensate-producing gas wells, and applicable to gas-condensate-containing water-producing gas wells with moderate mineralization degrees.

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25-11-2015 дата публикации

Nonmetal water pumping gas production plunger

Номер: CN0204804786U
Принадлежит:

The utility model provides a nonmetal water pumping gas production plunger, include: fishing head, plunger body and magnetic core, fishing head and this body coupling of plunger, fishing head and plunger body all adopt non -metallic material to make, and the magnetic core lies in the space of fishing head and plunger body junction. The utility model provides a nonmetal water pumping gas production plunger, the three -dimensional magnetic field that can make the trapper that is located the well head detects the position of plunger, judges whether the plunger reachs the assigned position in the pit shaft for the hydrops of assigned position is discharged in the pit shaft, thereby has improved the effect of plunger water pumping gas production technology.

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08-04-2015 дата публикации

Plunger gas lifting down-hole buffering device

Номер: CN104499997A
Принадлежит:

The invention provides a plunger gas lifting down-hole buffering device which comprises a fishing head, a first connection sleeve, an upper core tube, a second connection sleeve, a body, a connection section, a spring, a lower core tube, a valve and a valve seat, wherein the fishing head is connected with the first connection sleeve through a buffering shaft; the buffering spring sleeves the buffering shaft; the lower core tube and the spring sleeving the perpendicular end of the lower core tube are inserted into the connection section together; the connection section is fixed at the lower end of the body; the valve seat is fixedly connected with the lower end of the lower core tube; the valve is positioned in a cavity of the valve seat; a sealing ring sleeves the upper part of the valve seat and is positioned between the valve seat and the connection section; a locking block slot communicated with the inner cavity of the body is formed in the body; a locking lock is arranged in the locking ...

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25-03-2015 дата публикации

Pup joint device for pulling out velocity string

Номер: CN104453732A
Принадлежит:

The invention discloses a pup joint device for pulling out a velocity string with an aim to solve the problem that the velocity strings are difficult to pull out. A clamp slot used for clamping a slip of a stopper is arranged in the middle inner wall of a pup joint barrel of the pup joint device, a sealing ring is arranged in a sealing ring groove in the lower portion of the inner wall, a slip ring groove is arranged in the bottom end of the inner wall, a slip protection sleeve is in threaded connection with the bottom of the ring groove, and the slip and a slip seat are arranged in the slip ring groove and the slip protection sleeve. When the velocity string is to be pulled out, a pup joint is sealed through the sealing ring at the position of the wellhead, and the velocity string is pulled out through threaded connection of the slip protection sleeve sleeving the top end of the velocity string. The pup joint device is large in string diameter and smooth in the inner wall, problems about ...

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11-02-2015 дата публикации

Sustained-release foaming agent

Номер: CN104342096A
Принадлежит:

The invention relates to a sustained-release foaming agent which is composed of the following components, by weight: 20% of Chinese soapberry fruit essence, 13.3% of fatty alcohol-polyoxyethylene ether AEO18, 6.7% of polylauroyl diethanolamide, 20% of polyvinyl alcohol PAV, and 40% of acrylic resin. The sustained-release foaming agent provided by the invention has high foaming capacity when contacting water, and the foam has good stability. Liquid carrying and anti-mineralization capacities of foam are high. The foam is suitable for use in condensate-oil-containing natural gas wells with high mineralization and large water yield. The foaming capacity can reach 175mm, the anti-mineralization capacity reaches 250g/L, the condensate-oil-resistant capacity reaches 30%, the temperature resistance reaches 90 DEG C, and a dissolution time exceeds 72h. The agent has a long effective period. According to field tests, the foam scrubbing success rate is higher than 90%. The product is non-toxic and ...

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15-04-2015 дата публикации

Restriction choke rubber sleeve deliquescent agent dropping device

Номер: CN104514528A
Принадлежит:

The invention discloses a restriction choke rubber sleeve deliquescent agent dropping device which is designed for achieving smooth salvage of the restriction choke. The upper end of a connector of the device is connected with a steel wire; the lower end is connected with the sleeve body and sealed by an axial sealing ring. The upper portion of the wall of the sleeve body is provided with an injection screw hole which is connected with a nut and sealed by a rubber sealing ring. The inner wall at the bottom end of the sleeve body is stepped and connected with a bottom cap which is fixed by a radial pin inserted in the step; and the bottom cap is sealed by a sealing ring. A spring is arranged inside the sleeve body; the upper end of the spring is connected with the bottom surface of the connector, the lower end is connected with the bottom cap. The device can closely contact with the restriction chock, effectively dissolve the rubber sleeve, avoid waste of the deliquescent agent, and increase ...

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11-07-2023 дата публикации

Gas well plunger gas lift control system

Номер: CN116411893A
Принадлежит:

The invention discloses a gas well plunger gas lift control system, which belongs to the field of oil and gas field development and gas well drainage gas recovery, and comprises a system access and conversion module, a production data preprocessing module, a shaft liquid accumulation state analysis module, a gas well production state comprehensive analysis module, a production system fine adjustment module, a gas well production history fine analysis module, an exception handling module and an optimization system execution module. The gas well production history fine analysis module comprises a production history fitting sub-module, a production prediction sub-module and an optimal production system analysis sub-module; the method is developed based on parameters such as gas well oil casing pressure, accumulative gas production and oil casing size for fitting analysis of shaft real-time liquid accumulation amount change, reservoir two-phase seepage and gas production and liquid production ...

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13-10-2010 дата публикации

Drainage gas production plunger in gas well

Номер: CN0101858330A
Принадлежит:

The invention discloses a drainage gas production plunger in a gas well, which is applied to continuous efficient plunger drainage gas production of drainage gas production in a gasser. At least one sealing ring is sleeved on the outer wall of a main drum; the lower end of the main drum is in external threaded connection with a lower base, and the wall of the lower base is provided with a communication pore; a switch valve rod is arranged on an annular step at the lower end of the lower base, a cylindrical rod at the lower end of the switch valve rod passes through a centre hole at the annular step at the lower end of the lower base, and the upper end face of the switch valve rod is embedded with a sealing ring; the lower end face of an annular step at the lower end of the main drum is provided with a downward annular bulge; and the annular bulge at the lower end of the main drum is opposite to the sealing ring at the upper end of the switch valve rod. The invention has the following effects ...

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15-10-2014 дата публикации

Gas well split piston capable of automatically identifying liquid level

Номер: CN104100236A
Принадлежит:

The invention discloses a gas well split piston capable of automatically identifying a liquid level; the gas well split piston is designed so as to improve the well opening time rate of a gas well and the lift efficiency of the piston. The split piston consists of an inductive piston body and a hollow floating body; an electric induction device in a protective cover for the inductive piston body is connected with a sealing element; the top end of the protective cover with airflow holes is connected with a body; the top end of the body is connected with a fishing neck in which a compression spring is arranged; a sliding shaft penetrates the fishing neck, the body and the protective cover; the bottom end of the sliding shaft is connected with the sealing element, and the top end of the sliding shaft is connected with the compression spring; centralizing ribs of the hollow floating body are sheathed on a main cylinder with vent holes. According to the split piston, the height of a liquid column ...

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