30results about How to "Quick extension" patented technology

The invention relates to an oil-gas well fiber assisted water control fracturing method, and belongs to the technical field of petroleum extraction. The method comprises the following steps of: (1) adding a thickening agent with water control function into water with stirring, and then adding additive to obtain fracturing prepared fluid; (2) mixing a part of the fracturing prepared fluid preparedin the step (1) and fiber uniformly to obtain fracturing sand-carrying fluid; (3) adding a propping agent into the fracturing sand-carrying fluid prepared in the step (2) to obtain sand mixing fluid;and (4) pumping the rest fracturing prepared fluid prepared in the step (1) into a destination layer in an oil-gas well, and then pumping the sand mixing fluid prepared in the step (3). According to the method, the thickening agent is adopted, so functions of seam forming and sand carrying of the conventional thickening agent are obtained, and the oil (gas) water ratio in the oil-gas layer can bechanged and the permeability of the aqueous phase is greatly reduced.

The invention discloses a plastic electrode tube for an electroosmotic drainage method, which is characterized by comprising a conductive plastic tube, a metal wire and a conductive geotextile filtering layer; an axial or radial water guide groove is formed in the wall of the conductive plastic tube; the number of the metal wires is two at least, and the metal wires are symmetrically distributed in the tube wall of the conductive plastic tube and axially penetrate through the whole conductive plastic tube; the conductive plastic tube is enwrapped by the conductive geotextile filtering layer; drainage holes are uniformly formed in the outer wall of the conductive plastic tube at intervals. The plastic electrode tube has the advantages of simple structure, corrosion resistance, big drainage space, good mechanical property, anti-clogging and high drainage efficiency.

An oil well alloy superconducting wax and pressure-measuring and temperature-measuring device comprises a cable body and a control system, wherein the cable body penetrates into a hollow oil pumping rod; temperature sensors for measuring different depth sections of an underground wax precipitation area are distributed in the cable body; a pressure transmitter is arranged at the bottom of the cable body; the temperature sensors and the pressure transmitter are electrically connected with the overground control system through leads which penetrate into the cable body; the control system comprises a controller; the input end of the controller is connected with the temperature sensors and the pressure transmitter; a superconducting alloy wire is arranged in the cable body and is electrified with power-frequency or medium-frequency alternating current. On one hand, the oil well alloy superconducting wax and pressure-measuring and temperature-measuring device can generate high heat, can heat crude oil of the wax precipitation section in an oil pipe in the whole process, effectively prevents the crude oil in the oil pipe from being subjected wax precipitation and does not influence the service life of the cable body; on the other hand, the measuring precision of each sensor can be greatly improved.

The invention relates to a phellinus igniarius industrialized cut-log cultivation method. The method includes: treating logs into cut-logs uniform in specification, using a surface culture medium to pressurize, shape and coat the side faces of the cut-logs, bagging, sterilizing, and cooling; adopting a phellinus igniarius liquid strain uniform in grain size and proper in concentration to be mixedwith a semisolid culture medium in a sterile condition, directly inoculating into cut-log bacteria sticks, performing inoculated log bacteria stick culture, and emerging of phellinus igniarius. The method is short in cultivation period, low in pollution rate and good in bacteria stick fruiting synchronism, standardized quality and technical parameter control can be realized in the whole cultivation process, improving of phellinus igniarius sporocarp quality is facilitated, and mechanized, standardized, industrialized, large-scale and normalized mode development of phellinus igniarius can be promoted vigorously.

The invention belongs to the technical field of buildings and particularly relates to a connector for lengthening prestressed steel bars and a construction method thereof. The connector is characterized in that a plurality of steel bar holes axially penetrating through a body are formed in the body in the circumferential direction; the outer edge at the upper part of the body is uniformly provided with a plurality of opening grooves for installing the prestressed steel bars along the circumferential direction; the steel bar holes positioned in the upper part of the body are conical holes; the conical holes are internally provided with clamping pieces for locking the prestressed steel bars; the lower ends of the opening grooves are provided with anchoring rings which are internally provided with the conical holes; the conical holes are internally provided with the clamping pieces for locking the prestressed steel bars in a matching manner. The construction method comprises the steps of anchoring one end of each of one group of prestressed steel bars into the steel bar holes by the clamping pieces, and stretching and drawing the other ends of the prestressed steel bars; (2) enabling one end of each of another group of prestressed steel bars to penetrate through the opening grooves to be arranged in the conical holes of the anchoring rings by the clamping pieces, and stretching and drawing the other ends of the prestressed steel bars; and (3) grouting on the end provided with the connector. The connector has the advantages that the lengthening of the prestressed steel bars can be fast and conveniently realized and the connecting efficiency is greatly improved.

The invention relates to a temperature-sensitive polymer, a foam fracturing fluid and a preparation method and application thereof. The temperature-sensitive polymer comprises a structural unit A, a structural unit B, a structural unit C and a structural unit D derived from a hydrophobic monomer. The temperature-sensitive polymer has lower viscosity at the normal temperature, the viscosity is notreduced but is greatly increased at the relatively increased temperature of a stratum, and meanwhile, the temperature-sensitive polymer has a very good foam stabilizing performance. The foam fracturing fluid is good in component compatibility, foaming and sand carrying performance and high in fracture forming efficiency, the viscosity is increased along with temperature rise, and the foam fracturing fluid also has a temporary plugging function, and has wide application prospects in oil field exploitation, especially in a repeated fracturing technology.

The invention discloses a news media data recommendation management system based on artificial intelligence, and belongs to the field of news media. In the working process of a server body, firstly, a circulating device drives cooling water to circularly flow and drives a heat removal fan to carry out heat dissipation treatment, and along with continuous heat dissipation, the temperature of the cooling water rises; the deformation memory spring extends to drive the material storage bag to be punctured by the spine, so that ammonium chloride powder and barium hydroxide octahydrate powder are mixed to react and absorb heat for cooling, heat absorption and cooling of cooling water are facilitated, and meanwhile, ammonia gas is generated to be blown into the elastic telescopic flat bag to extend and push the cleaning brush body to move, so that dust on the surface of the dustproof net is cleaned; and vibration generated when the circulating device and the heat extraction fan work is transmitted into the arc-shaped frame, collision small balls collide and rub to generate static electricity, dust is adsorbed and collected through the cooperation of the electrostatic adsorption capacity and the superfine fiber layer, air circulation is facilitated, the heat extraction effect of the heat extraction fan is enhanced, and work of the server body is facilitated.

The invention discloses a constructional engineering contract labor work planning system, which belongs to the field of constructional engineering, and is characterized in that when an unmanned investigation device cooperates with a camera to investigate information and the reflection amount of infrared light emitted by an infrared monitor and received by an infrared receiver is increased, the infrared light is fed back to the unmanned investigation device to make the unmanned investigation device perform obstacle avoidance processing, and meanwhile, the temperature of the infrared receiver is increased; the carbon dioxide aqueous solution is stirred by the deformation memory stirring piece, the extrusion plate and the stirring rod are extruded to stir the carbon dioxide aqueous solution, so that carbon dioxide overflows into the telescopic air bag and extends to be in contact with each other to form a protection layer, and meanwhile, hot air is extruded to be sprayed onto the telescopic air bag through the movable spraying bottle nozzle, so that the carbon dioxide is heated to expand and is driven to fully extend; meanwhile, the deformation memory spring is heated to shrink, the magnetism-insulating balloon is pulled to be stretched, the magnetism-insulating powder is dispersed, shielding of the magnetic balls is eliminated, the two attraction hemispheres are driven to make contact with each other under the action of opposite attraction, a protection transverse bar is formed in cooperation with the elastic heat conduction rope, and the buffering effect is enhanced.

According to the method, the hollow cylindrical plastic pipe fitting is selected, the liquid culture medium is added into the hollow part, and the two ends of the plastic pipe fitting are filled with the solid culture medium to prepare the mushroom sticks, so that the phellinus igniarius sporocarp is cultured, and the defects of wood waste and long growth period of the solid culture medium and insufficient nutrition, easy infection and high cost of the liquid culture medium are avoided; the culture medium integrates the advantages of a solid culture medium and a liquid culture medium, the mushroom stick is easy to manufacture and low in cost, the probability of scratching a mushroom bag can be reduced, pollution can be avoided, and a good foundation can be provided for the standardized cultivation process of phellinus igniarius. According to the technological process, standardized quality and technical parameter management and control can be achieved, and a mechanical, standardized, industrialized, large-scale and standardized artificial cultivation mode of phellinus igniarius can be achieved.

The invention discloses a buckle connecting quick-blocking plate which comprises straightly arranged and connected sheets (5), wherein every two adjacent sheets (5) are hinged to each other, so that a track form is integrally formed; a hole is formed between every adjacent sheets (5) and a sleeve ring penetrates through the hole so as to connect the adjacent sheets (5); a rubber film is attached to one side of the whole connected sheets (5) in the track form while a cover surface is attached to the other side of the whole connected sheets (5); a rubber sealing pad is fitted with the outer side of the cover surface; the rubber film extends to form a flange sealed with an edge of a sheet from the outer edge of the sheet; thin strong magnetic slice pairs are respectively fitted with the horizontal outer sides of the two ends of the sheets (5); a cable (4) is bonded on one side of each sleeve ring on the cover surface; the cable (4) passes through the cover surface. The buckle connecting quick-blocking plate provided by the invention is used for repairing and blocking a leaking point on the outer side of a ship board of a marine ship. The force flowing from the leaking point can be utilized to more tightly block, so that the purpose of reliably and quickly blocking holes and gaps is achieved.

The invention discloses a self-weight adaptive curved surface heat conduction yoga wheel, which mainly relates to the field of yoga equipment. The wheel comprises a yoga wheel, an automatic adjustingmechanism and a heating mechanism, wherein the automatic adjusting mechanism comprises a sliding table bottom plate, a shell body and a counterweight piece; the sliding table bottom plate is connectedto the inn wall of the inner ring of the yoga wheel and can slide along the circumferential direction of the inner ring of the yoga wheel; the shell body is fixed on the sliding table bottom plate; the counterweight piece is arranged at the center of the inner bottom of the shell body; the counterweight piece is used for keeping the automatic adjusting mechanism vertical relative to the yoga wheel; the heating mechanism is arranged at one end of the shell body far away from the sliding table bottom plate; one end of the heating mechanism far away from the sliding table bottom plate is arranged on the arc surface suitable for the inner ring of the yoga wheel; and a heating piece is mounted in the arc surface, so that the arc surface can provide a heating temperature of 40-79 DEG C. The wheel has the advantages that the arc surface can heat a stretching area of an exerciser through the yoga wheel, and thus the wheel can help the muscles to relax and extend rapidly to enter into a betterstate.

The invention provides a waist line measuring method for an underground roadway. The method comprises the following steps: step 1, obtaining an elevation difference deltaH between two points A and B; step 2, calculating the gradient between the point A and the point B; and step 3, according to the obtained gradient, measuring the elevation difference deltaH between the two points A and B and the distance SC-D between the two points C and D so as to calculate the elevations of the two points A and B in the roadway. By means of the method, the roadway tunneling and foundation construction waist line can be rapidly and accurately extended, the cutting amount of machine head chamber large-section roadway tunneling construction is reduced, labor input during tunneling is reduced, and tunneling construction efficiency and tunneling construction quality are improved.