CN212454329U - High-speed frequency conversion spiral of segmentation packing sprays unblock instrument - Google Patents
High-speed frequency conversion spiral of segmentation packing sprays unblock instrument Download PDFInfo
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- CN212454329U CN212454329U CN202021036157.7U CN202021036157U CN212454329U CN 212454329 U CN212454329 U CN 212454329U CN 202021036157 U CN202021036157 U CN 202021036157U CN 212454329 U CN212454329 U CN 212454329U
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Abstract
The utility model discloses a high-speed frequency conversion spiral of segmentation packing sprays unblock instrument, including oil pipe, first packer, second packer, screw pump, screw injector and one-way flow valve, this device is through going into the supporting high-speed frequency conversion spiral of horizontal well segmentation packing formula and spraying well-flushing pipe cluster and supporting instrument under the screen pipe, also can carry out directional segmentation to the stratum that possesses the segmentation condition and extrude unblock liquid, improves pit shaft infiltration condition, improves stratum permeability, reduces stratum energy consumption, improves oil well output.
Description
Technical Field
The utility model belongs to the oil instrument field relates to a high-speed frequency conversion spiral of segmentation packing sprays unblock instrument particularly.
Background
In order to improve the production capacity of a horizontal well of open hole screen pipe well completion, a well washing pipe string and a matched well washing valve are arranged in a screen pipe during well completion, an outer annular channel of the screen pipe is established, after plugging solution immersion is adopted, the outer annular channel of the screen pipe is cleaned in a backwashing or forward washing mode, and meanwhile, stratum can be cleaned or subjected to small-size plugging removal, namely the originally adopted slurry replacement cleaning and plugging removal method. The method can obtain certain effect, but the slurry replacement cleaning and the stratum blockage removal are not thorough. Particularly, when the horizontal well adopts the general squeeze-injection blocking remover, the blocking remover naturally enters a high-permeability well section which does not need to be unblocked, so that the blocking remover cannot play a role in unblocking, and an oil layer well section which the blocking remover enters does not need to be unblocked, so that the effect is not achieved or is poor after measures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a high-speed frequency conversion spiral of segmentation packing sprays unblock instrument.
The utility model discloses a realize through following technical scheme:
a high-speed frequency conversion spiral jet plugging removal tool for sectional packing comprises an oil pipe, a first packer, a second packer, a screw pump, a spiral jet and a one-way flow valve;
the upper end of the spiral ejector is connected with a screw pump, the upper end of the screw pump and the lower end of the spiral ejector are respectively communicated with an oil pipe, the oil pipe at the upper end of the screw pump is set in the shaft through a first packer, and the oil pipe at the lower end of the spiral ejector is set in the shaft through a second packer; a one-way flow valve is arranged in an oil pipe at the lower end of the spiral ejector and used for adjusting the flow of the passing blocking remover;
a through liquid flow channel is formed in the screw pump, a screw head is arranged in the liquid flow channel and connected with a screw, the inner wall of the liquid flow channel is spiral, and the screw is provided with a spiral shape corresponding to the inner wall of the liquid flow channel; when the blockage removing liquid flows through the liquid flow channel, pressure is applied to the screw rod to drive the screw rod to rotate;
the spiral ejector comprises an outer tube and an inner tube, the inner tube is arranged in the outer tube in a penetrating mode, two ends of the inner tube extend out of two sides of the outer tube, the upper end of the inner tube is communicated with the liquid flow channel, the upper end of the outer tube is connected with the screw rod, a liquid storage annular space is formed between the outer tube and the inner tube, and a jet hole is formed in the outer wall of the outer tube.
In the above technical scheme, the joints of the two ends of the inner pipe and the outer pipe are provided with the sealing rings.
In the above technical solution, the first packer and the second packer are k344 expandable packers.
In the above technical solution, the injection holes are arranged on the outer wall of the outer tube in a spiral shape.
In the technical scheme, the middle part of the inner pipe is a sieve pipe.
The utility model discloses an advantage and beneficial effect do:
the device adopts the segmented packing high-speed variable-frequency spiral jet plugging removal tool, can realize selective, high-strength and comprehensive removal of blockage of screen pipe seams of a screen horizontal well, screen pipes, well wall annular space and mud cakes of the well wall during well dropping completion, and achieves the purpose of effective plugging removal and improvement of the productivity of a production well. The device can also directionally and sectionally extrude the plugging removal liquid into the stratum with the sectional condition by putting the horizontal well sectional packing type matched high-speed variable-frequency spiral jet well washing pipe string and matched tools in the sieve pipe, thereby improving the shaft percolation condition, improving the stratum permeability, reducing the stratum energy consumption and improving the oil well yield.
Drawings
Fig. 1 is a schematic view of the overall structure and flow direction of the blockage relieving liquid of the present invention.
Fig. 2 is a schematic diagram of a screw pump structure.
Fig. 3 is a schematic diagram of a spiral ejector structure.
Wherein: the device comprises a packer 1, a screw pump 2, a screw head 2-1, a screw rod 2-2, a liquid flow channel 2-3, a spiral ejector 3, a liquid storage annulus 3-1, a jet hole 3-2, a second packer 4 and a one-way flow valve 5.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Examples
A high-speed frequency conversion spiral jet plugging removal tool for sectional packing comprises an oil pipe, a first packer 1, a second packer 4, a screw pump 2, a spiral jet 3 and a one-way flow valve 5;
the upper end of the spiral ejector 3 is connected with a screw pump 2, the upper end of the screw pump 2 and the lower end of the spiral ejector 3 are respectively communicated with an oil pipe, the oil pipe at the upper end of the screw pump 2 is set in a shaft through a first packer 1, and the oil pipe at the lower end of the spiral ejector 3 is set in the shaft through a second packer 4; the first packer 1 and the second packer 4 are k344 expandable packers. A one-way flow valve 5 is arranged in an oil pipe at the lower end of the spiral ejector 3 and is used for adjusting the flow of the passing blocking remover;
a through liquid flow channel 2-3 is formed in the screw pump 2, a screw head 2-1 is arranged in the liquid flow channel 2-3, the screw head 2-1 is connected with the screw 2-2, the inner wall of the liquid flow channel 2-3 is spiral, and the screw 2-2 is provided with a spiral shape corresponding to the inner wall of the liquid flow channel 2-3; when the blockage removing liquid flows through the liquid flow channel 2-3, pressure is applied to the screw 2-2, and the screw 2-2 is driven to rotate;
the spiral ejector 3 comprises an outer tube and an inner tube, the inner tube is arranged in the outer tube in a penetrating mode, two ends of the inner tube extend out of two sides of the outer tube, and sealing rings are arranged at the connecting positions of the two ends of the inner tube and the outer tube. The upper end of the inner pipe is communicated with the liquid flow channel 2-3, the upper end of the outer pipe is connected with the screw rod 2-2 and can rotate under the drive of the screw rod 2-2, a liquid storage annular space 3-1 is formed between the outer pipe and the inner pipe, and the outer wall of the outer pipe is provided with a jet hole 3-2. The injection holes 3-2 are spirally arranged on the outer wall of the outer pipe.
When the segmented packing high-speed variable-frequency spiral jet deblocking tool is used for operation, deblocking liquid with pressure is driven into a screw pump 2 through an oil pipe at the upper end of the screw pump 2, the deblocking liquid passes through a liquid flow channel 2-3 in the screw pump 2 and drives the screw 2-2 to rotate along a screw head 2-1, the lower end of the screw 2-2 is connected with an outer pipe of a spiral jet ejector 3, the outer pipe rotates along with the screw 2-2, the deblocking liquid enters an inner pipe while the outer pipe rotates, the deblocking liquid enters a liquid storage annular space 3-1 between the outer pipe and the inner pipe through sieve holes and further reaches the inner wall of a shaft in a spiral jet mode along with the rotation of the outer pipe, and when the pressure of the deblocking liquid needs to be adjusted, the opening degree of the oil pipe at the lower end of the spiral jet ejector 3 can be adjusted through a. The device can directionally and sectionally extrude the plugging removal liquid into the stratum with the sectional condition by putting the horizontal well sectional packing type matched high-speed variable-frequency spiral jet well washing pipe string and matched tools in the sieve pipe, thereby improving the percolation condition of the shaft, improving the permeability of the stratum, reducing the energy consumption of the stratum and improving the yield of the oil well.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (5)
1. The utility model provides a high-speed frequency conversion spiral of segmentation packing sprays unblock instrument which characterized in that: the device comprises an oil pipe, a first packer, a second packer, a screw pump, a spiral ejector and a one-way flow valve;
the upper end of the spiral ejector is connected with a screw pump, the upper end of the screw pump and the lower end of the spiral ejector are respectively communicated with an oil pipe, the oil pipe at the upper end of the screw pump is set in the shaft through a first packer, and the oil pipe at the lower end of the spiral ejector is set in the shaft through a second packer; a one-way flow valve is arranged in an oil pipe at the lower end of the spiral ejector;
a through liquid flow channel is formed in the screw pump, a screw head is arranged in the liquid flow channel and connected with a screw, the inner wall of the liquid flow channel is spiral, and the screw is provided with a spiral shape corresponding to the inner wall of the liquid flow channel;
the spiral ejector comprises an outer tube and an inner tube, the inner tube is arranged in the outer tube in a penetrating mode, two ends of the inner tube extend out of two sides of the outer tube, the upper end of the inner tube is communicated with the liquid flow channel, the upper end of the outer tube is connected with the screw rod, a liquid storage annular space is formed between the outer tube and the inner tube, and a jet hole is formed in the outer wall of the outer tube.
2. The segmented packing high-speed variable-frequency spiral jet deblocking tool according to claim 1, wherein: and sealing rings are arranged at the joints of the two ends of the inner pipe and the outer pipe.
3. The segmented packing high-speed variable-frequency spiral jet deblocking tool according to claim 1, wherein: the first and second packers are k344 expandable packers.
4. The segmented packing high-speed variable-frequency spiral jet deblocking tool according to claim 1, wherein: the jet holes are spirally arranged on the outer wall of the outer tube.
5. The segmented packing high-speed variable-frequency spiral jet deblocking tool according to claim 1, wherein: the middle part of the inner pipe is provided with a sieve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036157.7U CN212454329U (en) | 2020-06-08 | 2020-06-08 | High-speed frequency conversion spiral of segmentation packing sprays unblock instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036157.7U CN212454329U (en) | 2020-06-08 | 2020-06-08 | High-speed frequency conversion spiral of segmentation packing sprays unblock instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454329U true CN212454329U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021036157.7U Active CN212454329U (en) | 2020-06-08 | 2020-06-08 | High-speed frequency conversion spiral of segmentation packing sprays unblock instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454329U (en) |
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2020
- 2020-06-08 CN CN202021036157.7U patent/CN212454329U/en active Active
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