CN214499010U - Novel sand screen pipe made of all-nonmetal composite material - Google Patents
Novel sand screen pipe made of all-nonmetal composite material Download PDFInfo
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- CN214499010U CN214499010U CN202120820853.5U CN202120820853U CN214499010U CN 214499010 U CN214499010 U CN 214499010U CN 202120820853 U CN202120820853 U CN 202120820853U CN 214499010 U CN214499010 U CN 214499010U
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Abstract
The utility model relates to a novel sand screen pipe of full non-metallic composite preparation, including the filter sand body and winding at the latticed fiber reinforcement resin based composite layer of filter sand body external surface, the both ends on latticed fiber reinforcement resin based composite layer have set firmly tip fiber reinforcement resin based composite material pipe respectively, the filter sand body is located between the both ends fiber reinforcement resin based composite material pipe. The utility model forms a novel full non-metallic material sand filtering pipe which is formed by winding a latticed fiber reinforced resin matrix composite layer on the surface of the sand filtering body and tightly combining the latticed fiber reinforced resin matrix composite layer and the sand filtering body into a whole; the latticed fiber reinforced resin matrix composite material layer wound outside the sand filtering body is used as a reinforcing structure to integrally reinforce the sand filtering body, and can also prevent the sand filtering pipe from being damaged by foreign matters; through the tip fiber reinforcement resin matrix composite pipe that sets up, not only can be used for the connection of each sand screen, but also can provide sufficient support strength.
Description
Technical Field
The utility model relates to an oil field exploitation technical field especially involves a novel sand screen of full non-metallic composite preparation.
Background
In the process of crude oil extraction, sand production from an oil well is an inevitable problem, so that the produced crude oil is mixed with more impurities such as sand grains, and therefore the sand grains need to be filtered in the process of crude oil extraction. At present, the oil field adopts the sand screen pipe to carry out the sand screen mostly, and traditional sand screen pipe is assembled the metal by the sand screen body and is joined in marriage the external member and constitute, but, metal material is not only from great, and corrosion resisting property is generally relatively poor moreover, and this has just greatly increased the construction degree of difficulty, still can obviously shorten life simultaneously, and more serious is that the metalwork damages the back in the oil well, still need hoist it to carry out the maintenance and change outside the oil well, and this has increased again and has maintained the degree of difficulty and maintenance cost undoubtedly.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a novel sand screen of full non-metallic composite preparation, reduced the dead weight, improved corrosion resisting property, if it damages the back in the oil well, can directly take out to the oil well outside with mechanical structure after it is complete broken simultaneously.
The utility model discloses a through following technical scheme realizes, provides a novel sand screen of full non-metallic composite preparation, including the sand screen body and the latticed fiber reinforcement resin based composite layer of winding at the sand screen external surface, the both ends on latticed fiber reinforcement resin based composite layer have set firmly tip fiber reinforcement resin based composite material pipe respectively, the sand screen body is located between the fiber reinforcement resin based composite material pipe in both ends.
This scheme is through setting up latticed fiber reinforcement resin matrix combined material layer on the sand filtering body surface, make latticed fiber reinforcement resin matrix combined material layer form the protection to the sand filtering body, avoid the sand filtering body to be destroyed by the foreign matter damage in installation and use, latticed fiber reinforcement resin matrix combined material layer passes through winding mode and sand filtering body rigid coupling, make latticed fiber reinforcement resin matrix combined material layer and sand filtering body closely combine as an organic whole, thereby make latticed fiber reinforcement resin matrix combined material layer improve the intensity of sand filtering body, through setting up tip fiber reinforcement resin matrix combined material pipe, make the sand filtering pipe wholly have higher support strength, latticed fiber reinforcement resin matrix combined material layer and tip fiber reinforcement resin matrix combined material pipe are non-metal spare, corrosion resistance has been improved.
And optimally, an external thread is arranged on one end part of the fiber reinforced resin matrix composite material pipe, and an internal thread matched with the external thread is arranged on the other end part of the fiber reinforced resin matrix composite material pipe. This optimization scheme is through setting up the external screw thread, the internal thread of looks adaptation on two tip fiber reinforced resin base composite material pipes, makes things convenient for the connection between the sand screen, need not to reuse the metal in the traditional connected mode and joins in marriage the external member, has not only reduced the sand screen dead weight, has avoided corroding moreover, makes things convenient for later maintenance.
Preferably, the latticed fiber reinforced resin matrix composite layer and the end fiber reinforced resin matrix composite pipe are integrally formed. According to the optimization scheme, the latticed fiber reinforced resin matrix composite material layer and the end fiber reinforced resin matrix composite material pipe are arranged into an integrated structure, the integrity of the sand filter pipe is improved, and the overall strength is improved.
And optimally, the latticed fiber reinforced resin matrix composite layer, the sand filtering body and the end fiber reinforced resin matrix composite pipe are coaxially arranged. This optimization scheme sets up latticed fiber reinforcement resin matrix composite layer, filter sand body and tip fiber reinforcement resin matrix composite pipe to coaxial, has reduced the preparation degree of difficulty, when a plurality of filter sand union couplings together, avoids the damage of suffering from the bending.
Preferably, the inner diameter of the end fiber reinforced resin matrix composite pipe is smaller than the outer diameter of the sand filtering body, and two ends of the sand filtering body are respectively propped against the two fiber reinforced resin matrix composite pipes. According to the arrangement of the optimization scheme, the fiber reinforced resin matrix composite pipes at two ends are utilized to axially limit the sand filter, so that the integrity of the sand filter, the fiber reinforced resin matrix composite pipes and the latticed fiber reinforced resin matrix composite layer is further improved.
Preferably, the latticed fiber-reinforced resin-based composite material layer and the end fiber-reinforced resin-based composite material pipe are formed by winding and compounding one or more fibers of glass fibers, carbon fibers, aramid fibers, PE fibers and other fibers serving as reinforcements and epoxy resin, polyurethane and other resins. The setting of this optimization scheme can effectively adjust intensity and the rigidity of latticed fiber reinforced resin matrix composite layer and tip fiber reinforced resin matrix composite pipe, gives it more special properties simultaneously, has widened the application range of sand screen.
The utility model has the advantages that:
1. winding a latticed fiber reinforced resin matrix composite layer on the surface of the sand filtering body to form a novel all-nonmetal material sand filtering pipe which is formed by tightly combining the latticed fiber reinforced resin matrix composite layer and the sand filtering body into a whole; the latticed fiber reinforced resin matrix composite material layer wound outside the sand filtering body is used as a reinforcing structure to integrally reinforce the sand filtering body, and can also be used as a protective layer to prevent the sand filtering pipe from being damaged by foreign matters in the installation and use processes; the end fiber reinforced resin-based composite material pipe can be used for connecting sand filter pipes and can provide enough support strength;
2. through processing the interior, external screw thread of mutually supporting on the fiber reinforced resin base composite material pipe of both ends, made things convenient for through threaded connection between the sand screen, need not to reuse traditional metal and joined in marriage the external member, not only effectively subtract heavy to the sand screen, reduce the construction degree of difficulty, still provide convenient for subsequent maintenance simultaneously, effectively saved manpower and materials.
Drawings
FIG. 1 is a schematic structural view of the present invention;
shown in the figure:
1. the end part fiber reinforced resin matrix composite pipe comprises an end part fiber reinforced resin matrix composite pipe 2, a sand filtering body 3, a grid-shaped fiber reinforced resin matrix composite layer 4, an external thread 5 and an internal thread.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1, the novel sand filtering pipe prepared from the all-nonmetal composite material comprises a sand filtering body 2 and a latticed fiber reinforced resin matrix composite material layer 3 wound on the outer surface of the sand filtering body, wherein end fiber reinforced resin matrix composite material pipes 1 are respectively fixedly arranged at two ends of the latticed fiber reinforced resin matrix composite material layer 3, the latticed fiber reinforced resin matrix composite material layer and the fiber reinforced resin matrix composite material pipes are integrally formed, the sand filtering body 2 is a polytetrafluoroethylene sand filtering body formed by dry pressing or isostatic pressing in the embodiment, the latticed fiber reinforced resin matrix composite material layer 3 and the end fiber reinforced resin matrix composite material pipes 1 are formed by a winding process, the novel full-nonmetal material sand filtering pipe which is formed by tightly combining the fiber reinforced resin matrix composite material and the polytetrafluoroethylene sand filtering body into a whole is prepared by winding and adhering the fiber reinforced resin matrix composite material layer outer arc surface on the latticed fiber reinforced resin matrix composite material layer through a composite winding technology.
Latticed fiber reinforcement resin base combined material layer 3, the filter sand body 2 and the coaxial setting of tip fiber reinforcement resin base combined material pipe 1, filter sand body 2 is located between two fiber reinforcement resin base combined material pipes 1, the internal diameter of fiber reinforcement resin base combined material pipe is less than the external diameter of filter sand body, two ends of filter sand body push up to two fiber reinforcement resin base combined material pipes respectively, through two fiber reinforcement resin base combined material pipes 1 to the axial displacement of filter sand body restriction, further guarantee the wholeness of filter sand pipe.
Be equipped with external screw thread 4 on one of them tip fiber reinforcement resin based composite pipe, be equipped with on another tip fiber reinforcement resin based composite pipe with the internal thread 5 of external screw thread adaptation through setting up inside and outside screw thread, conveniently loops through threaded connection with a plurality of sand screen pipes to satisfy required length, can not only show the simplification installation flow, its corrosion resisting property is excellent moreover, and life is longer.
The utility model discloses a user state does: connecting the sand screen pipe into a required length by utilizing the internal threads and the external threads at two ends of the end fiber reinforced resin-based composite material pipe 1 without using other metal connecting pieces; installing the connected sand filtering pipe into the original oil well, and effectively protecting the polytetrafluoroethylene sand filtering body by the latticed fiber reinforced resin matrix composite material layer 3 so as to prevent the sand filtering body from being damaged by hard foreign matters on the well wall; after the combined sand filtering pipe is installed in place, crude oil is sucked into the polytetrafluoroethylene sand filtering pipe by utilizing negative pressure, and the crude oil is transmitted to subsequent transportation or storage equipment through the polytetrafluoroethylene sand filtering pipe, and sand grains and other impurities are isolated to the outside of the sand filtering pipe and the latticed fiber reinforced resin matrix composite material layer. Because the utility model discloses a sand screen does not have any metal material, in long-term use, if the damage inefficacy appears in the well, can directly take out to the oil well outside with mechanical structure after it is complete broken.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a sand screen of novel full non-metallic composite preparation which characterized in that: the sand filtering device comprises a sand filtering body (2) and a latticed fiber reinforced resin matrix composite material layer (3) wound on the outer surface of the sand filtering body, wherein end fiber reinforced resin matrix composite material pipes (1) are fixedly arranged at two ends of the latticed fiber reinforced resin matrix composite material layer (3) respectively, and the sand filtering body (2) is located between the two end fiber reinforced resin matrix composite material pipes (1).
2. The sand screen pipe made of the novel all-nonmetal composite material according to claim 1, characterized in that: wherein, an external thread is arranged on one end part of the fiber reinforced resin matrix composite pipe, and an internal thread matched with the external thread is arranged on the other end part of the fiber reinforced resin matrix composite pipe.
3. The sand screen pipe made of the novel all-nonmetal composite material according to claim 1 or 2, characterized in that: the latticed fiber reinforced resin matrix composite layer and the end fiber reinforced resin matrix composite pipe are integrally formed.
4. The sand screen pipe made of the novel all-nonmetal composite material according to claim 1, characterized in that: the latticed fiber reinforced resin matrix composite layer, the sand filtering body and the end fiber reinforced resin matrix composite pipe are coaxially arranged.
5. The sand screen pipe made of the novel all-nonmetal composite material according to claim 1, characterized in that: the inner diameter of the end fiber reinforced resin matrix composite pipe is smaller than the outer diameter of the sand filtering body, and two ends of the sand filtering body are respectively jacked to the two end fiber reinforced resin matrix composite pipes.
6. The sand screen pipe made of the novel all-nonmetal composite material according to claim 1, characterized in that: the latticed fiber reinforced resin matrix composite material layer and the end fiber reinforced resin matrix composite material pipe are formed by winding and compounding one or more fibers of glass fibers, carbon fibers, aramid fibers and PE fibers with epoxy and polyurethane as reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820853.5U CN214499010U (en) | 2021-04-21 | 2021-04-21 | Novel sand screen pipe made of all-nonmetal composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820853.5U CN214499010U (en) | 2021-04-21 | 2021-04-21 | Novel sand screen pipe made of all-nonmetal composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499010U true CN214499010U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120820853.5U Active CN214499010U (en) | 2021-04-21 | 2021-04-21 | Novel sand screen pipe made of all-nonmetal composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499010U (en) |
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2021
- 2021-04-21 CN CN202120820853.5U patent/CN214499010U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220106 Address after: 271000 electromechanical Industrial Park, Taishan youth entrepreneurship development zone, Tai'an City, Shandong Province Patentee after: SHANDONG HENGYUAN WEAPON TECHNOLOGY CO.,LTD. Address before: 271000 electromechanical Industrial Zone, Taishan youth entrepreneurship development zone, Tai'an City, Shandong Province Patentee before: Zhang Fujun |
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| TR01 | Transfer of patent right |