Automatic adding device for high-molecular polymers

The invention relates to an automatic adding device for high-molecular polymers. The automatic adding device comprises a first hopper, wherein a vibrator is arranged on the outer side of the side wall of the first hopper, and a spiral material conveyer is connected to the bottom of the first hopper; a second hopper is connected to an outlet end of the spiral material conveyer, a heater is connected to the outer side of the side wall of the second hopper, and an ejector is connected to the bottom of the second hopper; an air blower is connected to one end of the ejector, and a liquid material mixer is connected to the other end, opposite to the air blower, of the ejector. According to the automatic adding device, by virtue of a wind conveying manner, the problem that viscoelastic solids are easily produced to block the adding device during the mixing of the liquid material mixing device is solved, the calculation precision of the added high-molecular polymers is improved, and finally, the ...

Relative permeability curve determination method and device, equipment and storage medium

The invention discloses a relative permeability curve determination method, device and equipment and a storage medium, and the method comprises the following steps: determining a first linear relation of water-phase relative saturation and water-phase relative permeability in a preset logarithmic coordinate system based on a first index relation of the water-phase relative saturation and the water-phase relative permeability of an experimental sample, determining a second linear relationship between the oil phase relative saturation and the oil phase relative permeability in the preset logarithmic coordinate system based on a second index relationship between the oil phase relative saturation and the oil phase relative permeability; determining a residual oil endpoint value according to the first linear relationship, the second linear relationship and a preset standard deviation; determining a relative permeability curve of the experimental sample according to the first index relation, ...

Method for monitoring and evaluating state of command information system

The invention provides a command information system state monitoring and evaluation method, which comprises the following steps: acquiring operation parameters of subsystems and functional modules of a command information system, establishing a system state evaluation model, optimizing the evaluation model and the parameters through methods such as machine learning, and completing operation state evaluation of the overall state of the system and the states of the subsystems. Therefore, a visual system operation state diagram is formed, the system state is monitored in real time, data input of a thermodynamic diagram and other display modes is provided, system maintenance personnel can visually obtain the system fault position and accurately judge the fault state, grade and the like in time, the system maintenance efficiency is improved, and the system fault rate is reduced.

Mechanical sampling metering valve

The invention relates to a mechanical sampling metering valve, and belongs to the technical field of metering sampling, the metering valve comprises a straight-through ball valve body, a handle, a ball body and a valve rod, the handle is connected with the ball body through the valve rod; the metering valve further comprises a partition block, the partition block is filled in the center of the channel in the ball body through certain pressure, and the channel in the ball body is divided into a first sampling cavity and a second sampling cavity which are completely isolated and identical in size. The first sampling cavity end and the second sampling cavity end are respectively used for being connected with a liquid storage tank filled with a reagent to be taken or a retaining cavity for taking out the reagent; the ball body is controlled to rotate by rotating the handle, and a quantitative reagent is introduced into the retaining cavity from the liquid storage tank, so that quantitative ...

Method for evaluating potential of remaining oil in oil field and application of method

The invention provides an evaluation method for the remaining oil potential of an oil field and application thereof, and the evaluation method comprises the following steps: building a remaining oil potential index model according to basic data; on the basis of the remaining oil potential index model, the potential index of an old well in the initial stage of production is obtained, regression is conducted on the potential index and the cumulative oil production of the old well, and a regression formula is obtained; on the basis of the regression formula, the actual single-well economic limit cumulative oil production of the oil field is combined, and the limit potential index of the corresponding oil well is obtained through calculation; the evaluation method comprehensively considers the influence of static and dynamic parameters on remaining oil development, not only can be used for evaluating the remaining oil potential of the old well, but also can provide guidance for new well deployment ...

Free multi visul point polyprojecting 3D displaying system and method

Preparation method of airborne radioactive iodine nuclear-grade activated carbon

The invention relates to a preparation method of airborne radioactive iodine nuclear-grade activated carbon, which comprises the following steps: preparing a gas phase impregnant, pretreating an activated carbon base material and preparing gas phase impregnated activated carbon, and can avoid introducing water or other solvents in the traditional process through a brand new technical route; the defect of relatively high volatility of the impregnant is reversely used as the basis of gas-phase impregnation, and the characteristic of high adsorption capacity of the activated carbon is combined to prepare the airborne radioactive iodine nuclear-grade activated carbon. Moreover, in the method provided by the invention, the impregnant sublimated into a gas state goes deep into the pore structure of the activated carbon under the adsorption action of the activated carbon and then is subjected to in-situ deposition in the cooling process, and gas enters micropores more directly and easily than ...

Method for improving recovery ratio of high-dip-angle oil reservoir and application

The invention provides a method for improving the recovery ratio of a high-dip-angle oil reservoir and application, and the method comprises the following steps: (1) carrying out experimental simulation aiming at the rhythm of an oil reservoir, and determining a water injection development mode; (2) determining a perforation position based on the reservoir rhythm and the reservoir thickness; (3) the water injection time is determined based on the reservoir pressure and the accumulated oil production; (4) determining a production-injection ratio through a numerical model simulation experiment; according to the method, the water injection mode, the oil/water well perforation position, the water injection opportunity and the injection-production ratio are economically given according to the oil reservoir conditions of different deposition rhythms and dip angles, a favorable basis is provided for compiling an oilfield development scheme, meanwhile, the developed high-dip-angle water drive oil ...

Semi-automatic energy-saving magnetic ball grinding mill for lining plate

The invention discloses a semi-automatic energy-saving magnetic ball grinding mill for a lining plate, relating to a ball grinding mill. The ball grinding mill comprises a feeding part, namely a feeding trolley; a transmission part, namely a flanged joint; a discharging part; a main motor, namely a rare earth permanent magnet motor; a starter, namely an energy-saving frequency converter; a jacking device, namely a hydraulic jacking device; a static pressure lubricating oil station; and a semi-automatic electric control part, namely a sensor detection data real-time controller, wherein a lining plate structure adopted by the ball grinding mill is a magnetic lining plate, a circumferential lining plate and an end lining plate both adopt magnetic lining plates, the circumferential lining plate is of an arc-shaped square, the magnetic lining plate as the end lining plate is fan-shaped, and automatic feeding and automatic sphere feeding are realized by matching with relevant equipment according ...

Method for screening nitrogen huff and puff measure well

The invention provides a method for screening nitrogen huff and puff measure wells, which comprises the following steps of: (1) selecting nitrogen huff and puff influencing parameters of oil reservoirs to which candidate wells belong, and rating; (2) determining weight values of the parameters; (3) respectively and independently calculating the sum of the weight values corresponding to the parameters to obtain a comprehensive score of the candidate well and a target well; (4) establishing a three-dimensional geologic model of the target well area, and establishing a relationship between the periodic injection rate and the oil change rate through a numerical simulation method; and (5) determining the implementation priority of the target well according to the economic limit oil change rate and the oil change rate. According to the method, quantitative evaluation and screening can be conducted on the oil reservoir conditions and economic benefits of the nitrogen huff and puff measure well ...

Combined electric geographic information system (GIS) equipment base lifter

The invention discloses a combined electric geographic information system (GIS) equipment base lifter, which relates to the field of accurate in-place arrangement of large-scale equipment. The combined electric GIS equipment base lifter comprises jacks (1), operating handles (2) and triangular strong-strength channel steel plates (3), wherein the triangular strong-strength channel steel plates (3) are fixed on equipment supporting channel steels (6); the jacks (1) are arranged below and contacts with the corresponding triangular strong-strength channel steel plates (3); and the operating handles (2) are arranged on the right-angled lateral surfaces of the corresponding triangular strong-strength channel steel plates (3). The combined electric GIS equipment base lifter is simply manufactured and convenient to arrange, regulate and maintain, has low cost, strong structural strength, high adaptability, need of fewer operators and high working efficiency, ensures low labor intensity, greatly ...