CN217999554U - Anti-corrosion sand filtering pipe for oil field - Google Patents
Anti-corrosion sand filtering pipe for oil field Download PDFInfo
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- CN217999554U CN217999554U CN202222100893.XU CN202222100893U CN217999554U CN 217999554 U CN217999554 U CN 217999554U CN 202222100893 U CN202222100893 U CN 202222100893U CN 217999554 U CN217999554 U CN 217999554U
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Abstract
The utility model discloses an oil field is with anticorrosive sand screen, include: the bottom of the outer barrel is provided with an inserting block, the inner barrel is inserted into an inserting groove in the inserting block, filtering holes are formed in the surfaces of the outer barrel and the inner barrel in a penetrating mode, the top of the inner barrel is connected with a connector, and a circular groove is formed in the surface of the connector; the anti-corrosion sand screen pipe for the oil field has the beneficial effects that: this sand filtering pipe for whole oil field is when using, can play the filterable effect to the gravel through the filtration pore on outer bucket surface, simultaneously when needs are adjusted and are changed the filtration pore size, can rotate interior bucket through the circular recess that the inserted block surface was seted up, make interior bucket rotate, the filtration pore on interior bucket surface will produce the dislocation with between the filtration pore on outer bucket surface this moment, make the anticorrosive sand filtering pipe that whole oil field was used can adjust the size between the filtration pore according to the user demand, thereby satisfy the use of different situation, this is the characteristics of anticorrosive sand filtering pipe for the oil field.
Description
Technical Field
The utility model relates to an oil field exploitation technical field specifically is an oil field is with anticorrosive sand screen.
Background
At present, the graticule is wound on the periphery of a central pipe of a sand screen applied to an oil extraction well in an oil field, when oil flows into the sand screen from a slit hole of the sand screen, the oil is blocked by the graticule, so that gravel in the oil well needs to be filtered by the sand screen in order to avoid leakage stoppage.
The anti-corrosion sand screen for the oil field that uses now is because the filtration pore all is with pipeline integration structure when using, leads to the filtration pore all to be fixed size, can't conveniently adjust the size of filtration pore, consequently can't satisfy the use of different scenes, so need improve to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field is with anticorrosive sand screen to solve the oil field that uses now that the above-mentioned background art provided and use anticorrosive sand screen because the filtration pore all is with pipeline integration structure when using, lead to the filtration pore all to be fixed size, can't conveniently adjust the size of filtration pore, consequently can't satisfy the problem of the use of different sight.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-corrosion sand screen for oil fields, comprising: the bottom of the outer barrel is provided with an inserting block, and the inner barrel is inserted into an inserting groove in the inserting block;
the surface of the outer barrel and the surface of the inner barrel are both provided with filter holes in a penetrating way, the top of the inner barrel is connected with a joint, and the surface of the joint is provided with a circular groove.
Preferably, the inner barrel is inserted into the insert block through a circular slot matched with the size of the inner barrel, and the insert block and the outer barrel are of an integrated structure.
Preferably, the outer barrel is inserted into the joint through a circular slot matched with the size of the outer barrel, and the filtering holes on the surface of the outer barrel and the filtering holes on the surface of the inner barrel are distributed in a staggered manner.
Preferably, the outer side of the joint is spliced with an inserted bar, one end of the inserted bar is connected with a limiting rod through a slot, a fixed block is arranged between the two inserted bars, one side of the fixed block is spliced with an ejector rod, the tail end of the ejector rod is provided with a convex block, and a movable spring is arranged between the ejector rod and the fixed block.
Preferably, the ejector rod and the fixed block form a telescopic structure through a movable spring, and the ejector rod and the lug are of an integrated structure.
Preferably, the limiting rod is inserted into the inserted link through the insertion hole matched with the size of the limiting rod, and the inserted link is inserted into the outer barrel through the insertion hole matched with the size of the inserted link.
Preferably, the limiting rod is inserted into the fixing block through an insertion hole matched with the limiting rod in size.
Compared with the prior art, this oil field is with anticorrosive sand screen's beneficial effect is: this sand filtering pipe for whole oil field is when using, can play the filterable effect to the gravel through the filtration pore on outer bucket surface, simultaneously when needs are adjusted and are changed the filtration pore size, can rotate interior bucket through the circular recess that the inserted block surface was seted up, make interior bucket rotate, the filtration pore on interior bucket surface will produce the dislocation with between the filtration pore on outer bucket surface this moment, make the anticorrosive sand filtering pipe that whole oil field was used can adjust the size between the filtration pore according to the user demand, thereby satisfy the use of different situation, this is the characteristics of anticorrosive sand filtering pipe for the oil field.
1. When the whole sand filtering pipe for the oil field is used, the inner barrel can be rotated through rotating the circular groove formed in the surface of the inserting block, so that dislocation is generated between the filtering holes in the surface of the inner barrel and the filtering holes in the surface of the outer barrel, the whole sand filtering pipe can adjust the size between the filtering holes according to use requirements, and the sand filtering pipe for the oil field can be used under different conditions.
2. The sand filtering pipe for the oil field can also be spliced into the circular groove corresponding to the joint by splicing the inner barrel and the outer barrel, the inserted bar is spliced into the joint to be butted with the outer barrel at the moment, then the ejector rod is enabled to move through the elasticity of the movable spring, and the lug which is fixed at the tail end of the ejector rod is enabled to extrude the limiting rods at the two ends.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic view of the joint connection structure of the present invention.
In the figure: 1. an outer tub; 2. inserting a block; 3. an inner barrel; 4. filtering holes; 5. a joint; 6. a circular groove; 7. inserting a rod; 8. a limiting rod; 9. a fixed block; 10. a top rod; 11. a bump; 12. a movable spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an anti-corrosion sand screen for oil fields, comprising: the device comprises an outer barrel 1 and an inner barrel 3, wherein an insert block 2 is arranged at the bottom of the outer barrel 1, and the inner barrel 3 is inserted into a slot in the insert block 2;
the surface of the outer barrel 1 and the surface of the inner barrel 3 are both provided with filter holes 4 in a penetrating way, the top of the inner barrel 3 is connected with a joint 5, the surface of the joint 5 is provided with a circular groove 6, the inner barrel 3 is inserted into the insert block 2 through a circular slot with the size matched with that of the inner barrel 3, the insert block 2 and the outer barrel 1 are of an integrated structure, the outer barrel 1 is inserted into the joint 5 through a circular slot with the size matched with that of the outer barrel 1, the filter holes 4 on the surface of the outer barrel 1 and the filter holes 4 on the surface of the inner barrel 3 are distributed in a staggered way, when the whole sand filtering pipe for oil field is used, the inner barrel 3 can be rotated through the circular groove 6 on the surface of the insert block 2, so that the filter holes 4 on the surface of the inner barrel 3 and the filter holes 4 on the surface of the outer barrel 1 are staggered, the size of the whole device can be adjusted according to use requirements, and the use under different conditions can be met;
the outer side of the joint 5 is spliced with the inserted rod 7, one end of the inserted rod 7 is connected with a limiting rod 8 through a slot, a fixed block 9 is arranged between the two inserted rods 7, one side of the fixed block 9 is spliced with an ejector rod 10, a lug 11 is installed at the tail end of the ejector rod 10, a movable spring 12 is arranged between the ejector rod 10 and the fixed block 9, the ejector rod 10 and the fixed block 9 form a telescopic structure, the ejector rod 10 and the lug 11 are of an integrated structure, the limiting rod 8 is spliced into the inserted rod 7 through a jack matched with the size of the limiting rod 8, the inserted rod 7 is spliced into the outer barrel 1 through a jack matched with the size of the inserted rod 7, the limiting rod 8 is spliced into the fixed block 9 through a jack matched with the size of the limiting rod 8, the sand filtering pipe for the oil field can be further spliced into the circular groove 6 corresponding to the joint 5 through the inner barrel 3 and the outer barrel 1, the inserted rod 7 is then spliced with the joint 5 and the outer barrel 1, the sand filtering pipe can be conveniently assembled by the lug 11 fixed at the outer barrel for the oil field.
In summary, the following steps: before the anti-corrosion sand filtering pipe for the oil field is used, a pipeline extends into an oil well, the sand filtering hole 4 between the outer barrel 1 and the inner barrel 3 plays a role of filtering gravel, the sand filtering pipe for the oil field can also be used for splicing the inner barrel 3 and the outer barrel 1 into the circular groove 6 corresponding to the joint 5, at the moment, the inserting rod 7 is spliced into the joint 5 to be butted with the outer barrel 1, then the ejector rod 10 moves through the elasticity of the movable spring 12, the lug 11 fixed at the tail end of the ejector rod 10 extrudes the limiting rods 8 at two ends, and the inserting rod 7 can fix the outer barrel 1 and the joint 5 under the extrusion action of the lug 11, so that the sand filtering pipe for the oil field can be conveniently assembled and spliced by a user, the whole sand filtering pipe for the oil field can normally work, which is the characteristic of the anti-corrosion sand filtering pipe for the oil field, and the content which is not described in detail belongs to the prior art known by professional technicians in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. An anti-corrosion sand screen for oil fields, comprising: the device comprises an outer barrel (1) and an inner barrel (3), and is characterized in that an insert block (2) is arranged at the bottom of the outer barrel (1), and the inner barrel (3) is inserted into a slot in the insert block (2);
the surface of the outer barrel (1) and the surface of the inner barrel (3) are both provided with filter holes (4) in a penetrating way, the top of the inner barrel (3) is connected with a joint (5), and the surface of the joint (5) is provided with a circular groove (6).
2. The anti-corrosion sand screen for oil fields according to claim 1, characterized in that: the inner barrel (3) is inserted into the insert block (2) through a circular slot matched with the size of the inner barrel (3), and the insert block (2) and the outer barrel (1) are of an integrated structure.
3. The anti-corrosion sand screen for oil fields according to claim 1, characterized in that: the outer barrel (1) is inserted into the joint (5) through a circular slot matched with the outer barrel (1) in size, and the filter holes (4) on the surface of the outer barrel (1) and the filter holes (4) on the surface of the inner barrel (3) are distributed in a staggered manner.
4. The anti-corrosion sand screen for the oil field according to claim 1, characterized in that: the outer side of the joint (5) is spliced with an inserting rod (7), one end of the inserting rod (7) is connected with a limiting rod (8) through a slot, a fixing block (9) is arranged between the two inserting rods (7), an ejector rod (10) is spliced on one side of the fixing block (9), a protruding block (11) is installed at the tail end of the ejector rod (10), and a movable spring (12) is arranged between the ejector rod (10) and the fixing block (9).
5. The anti-corrosion sand screen for oil fields according to claim 4, characterized in that: the ejector rod (10) and the fixed block (9) form a telescopic structure through the movable spring (12), and the ejector rod (10) and the bump (11) are of an integrated structure.
6. The anti-corrosion sand screen for the oil field according to claim 4, characterized in that: gag lever post (8) are inserted and connected in inserted bar (7) through the jack with gag lever post (8) size assorted, and inserted bar (7) are inserted and connected in outer bucket (1) through the jack with inserted bar (7) size assorted.
7. The anti-corrosion sand screen for oil fields according to claim 4, characterized in that: the limiting rod (8) is inserted into the fixing block (9) through an insertion hole matched with the limiting rod (8) in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222100893.XU CN217999554U (en) | 2022-08-10 | 2022-08-10 | Anti-corrosion sand filtering pipe for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222100893.XU CN217999554U (en) | 2022-08-10 | 2022-08-10 | Anti-corrosion sand filtering pipe for oil field |
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| Publication Number | Publication Date |
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| CN217999554U true CN217999554U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222100893.XU Active CN217999554U (en) | 2022-08-10 | 2022-08-10 | Anti-corrosion sand filtering pipe for oil field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929262A (en) * | 2023-03-15 | 2023-04-07 | 东营百华石油技术开发有限公司 | Metal sand filtering pipe |
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2022
- 2022-08-10 CN CN202222100893.XU patent/CN217999554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929262A (en) * | 2023-03-15 | 2023-04-07 | 东营百华石油技术开发有限公司 | Metal sand filtering pipe |
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