36results about How to "No omission" patented technology

The invention relates to a kind of hydraulic feedback oil-well pump with a long round plug and passageways for oil-entering and sand-depositing, strong guard against dense and, includes sealing total five and double passageways structure of oil-entering and sand-deposition. The trait of the pump is fixing a long plug sealing system between shaft-plug and tube, and fixing a passageway structure of oil-entering and sand-depositing between pump tube and tube outside. This equipment is used to enhance the usefulness of the pump, enhance the function avoiding dense and sand, prolong the using life. The invention has reasonable design, simple structure, easy-making, and convenient-using, efficient and good sealing function; entering passage is separated from depositing passageway, not gather in the tube as the routine pump do, the oil tube pole avoids buried by sand, Even if under the condition that oil is buried in sand, the pump can also produce with sand. The life span of this pump is three to five times more than the routine one.

Disclosed is a horizontal well external staged fracturing sand control string and method. A filling service string is tripped in an external staged fracturing and filling sand-control drain string. The external fracturing and filling sand-control drain string comprises a cementing external packer and a filling tool assembly connected in succession. The filling service string comprises a liquid-packing seal, a filling pipe, a filling converter, a flexible pressure tester, a rotary positioning tool, sliding sleeve opening and closing tools, and a packing sealing assembly; the filling pipe, the filling converter, the flexible pressure tester, the rotary positioning tool, the sliding sleeve opening and closing tools and the packing sealing assembly are mounted and connected onto the lower portion of the liquid-packing seal in succession; the lower end of the filling pipe and the lower end of a packing pipe are parallelly connected with the filling converter, and a liquid annulus is arranged between the filling pipe and the packing pipe. The filling tool assembly comprises an upper seal cylinder, a filling pipe external packer, and a filling sliding sleeve; the filling pipe external packer and the filling sliding sleeve are mounted and connected onto the upper seal cylinder in succession. According to the method, an open hole segment is packaged into two to ten parts; the method includes: A, tripping the filling service string in the external staged fracturing sand-control drain string; B, during filling of an upper layer, fitting a bottom packing sealing assembly and the seal cylinder to prevent filling liquid from entering a lower layer; C, repeating the step B to sequentially complete fractured gravel filling sand control for all layers.

The invention discloses a local discharge ultrahigh-frequency detection fractal antenna which comprises a dielectric layer and a conductor layer, wherein the conductor layer is laid on the upper surface of the dielectric layer and comprises a plurality of squiggly conductor segments which are connected end to end; the conductor segments are arranged according to the Hilbert fourth-order fractal principle to form a fourth-order radiating antenna element; the covering surface of the conductor layer on the dielectric layer is rectangular; the side length of the covering surface is the side lengthof the conductor layer; and a feed point is arranged on the conductor segment. The fractal antenna which has the advantages of good directivity, wide frequency bandwidth, low standing wave ratio andconvenient impedance matching, can meet the requirement on the on-line monitoring and ultrahigh-frequency detection of the local discharge of a transformer; and in addition, the invention also discloses a preparation method of the local discharge ultrahigh-frequency detection fractal antenna.

The invention relates to a water-saving cover structure of a toilet flushed by high-pressure water in a closed manner, and belongs to the technical field of water-saving sanitary ware. The technical scheme includes that an annular flushing pipe is arranged on the inner side of an annular ring, a water inlet pipe (16), a switch (6), a water outlet pipe (17) and the annular flushing pipe (15) are sequentially connected with one another, and the annular flushing pipe is provided with downward water spray nozzles (18); and the flushing water flows through the water inlet pipe, the switch, the water outlet pipe, the annular flushing pipe and the water spray nozzles sequentially and then is ejected, a closed cavity is formed in a toilet bowl, and the high-pressure water flushes the toilet bowl. The water-saving cover structure has the advantages that the toilet bowl can be flushed via an external pipe network directly, the closed cavity is formed in the toilet bowl, and the water-saving cover structure is good in flushing effect, low in water consumption and manufacturing cost, free of leakage, simple in structure and reliable in using effect, not only can be used for manufacturing a novel product, but also can be used for modifying a used toilet.

The present invention provides an automatic measurement and accounting method and system based on BIM and GIS technology, wherein the method includes S1. Decomposing the work structure, and setting the organization, work nodes and business processes in the project management system according to the work structure decomposition; S2 .Decompose the engineering system, establish a unified coding rule for sub-projects, and build a data sharing channel in the BIM model; S3. Establish a standard library of data tables for quality assurance, automatic statistics of output value, automatic measurement and cost accounting, and set information push conditions; S4. Build a BIM model according to the engineering system decomposition results and construction drawings, associate data tables and bills of quantities and load GIS, and map to the project management system at the same time; S5. After collecting statistical information, the project management system completes the electronic as-built document filing and uploads it to BIM The visual display of the model is distinguished by different colors; the system realizes the automation of engineering measurement through this method, and the measurement is accurate and efficient.

The invention relates to a gas life reverse-circulation negative pressure sand-cleaning method and apparatus; the gas life reverse-circulation negative pressure sand-cleaning method comprises the steps of injecting compressed gas into the sand-cleaning apparatus, allowing the compressed gas to expand in the sand-cleaning apparatus, with inner pressure of the sand-cleaning apparatus generates negative pressure relative to inner pressure of a shaft, charging deposited sand in the shaft and borehole fluid into the sand-cleaning apparatus under the action of negative pressure, and discharging from inside of the sand-cleaning apparatus via gas life so that sand cleaning is achieved. The gas life reverse-circulation negative pressure sand-cleaning apparatus comprises an outer spray pipe and an inner spray pipe that are concentric, the inner spray pipe and a gas-water mixer are arranged in the outer spray pipe in sequence, an annular space is formed between the outer wall of the inner spray pipe and the inner wall of the outer spray pipe, the sidewall of the outer spray pipe is provided with through holes, the length of the inner spay pipe is less than that of the outer spray pipe, the gas-water mixer is disposed at the bottom of the inner spray pipe, and the bottom of the outer spray pipe is provided with a drill-grinding structure.

The present invention relates to the technical field of data analysis and processing, and specifically provides a method for processing parent-child connections in a full-flow storage backtracking analysis system, including the following steps: determining the port range of each worker thread, and establishing a mapping relationship between each worker thread and the port ;Based on the above-mentioned mapping relationship, configure two directions of traffic, one direction selects the source port configuration, and the other direction selects the destination port configuration; builds a local data connection hash mapping table for each worker thread; Connections and storage threads are processed. The present invention ensures the accuracy of the application identification of the parent-child connection message, and at the same time avoids the robustness problem caused by the load balancing caused by the allocation of the same ip address to the same thread, and can also improve the overall high concurrent performance.