CN2464935Y - Stainless steel board net sand-proof pipe - Google Patents
Stainless steel board net sand-proof pipe Download PDFInfo
- Publication number
- CN2464935Y CN2464935Y CN 01211471 CN01211471U CN2464935Y CN 2464935 Y CN2464935 Y CN 2464935Y CN 01211471 CN01211471 CN 01211471 CN 01211471 U CN01211471 U CN 01211471U CN 2464935 Y CN2464935 Y CN 2464935Y
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- tube
- stainless steel
- net
- steel plate
- model
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a stainless steel plate net sand-proof pipe for the production of a pumping well, which is composed of a base pipe 7, a skeleton 5 which is sheathed at the exterior of the pipe wall with a sieve hole section of the base pipe, a white steel net cylinder 4, net hoops 3 which are arranged at both sides of the white steel net cylinder, rubber rings 2, screw nails 6, and coupling hoops 1. The utility model has the advantages of simple structure, light weight, high strength, strong corrosion resistance, large through-flow area, good permeability, repeatable use, etc. The utility model can obtain the favorable sand-proof effect, prolong the cycle of pump inspection, ensure the regular production of the oil well, and reduce production cost in use.
Description
The utility model relates to a kind of downhole tool that is used for pumpingh well manufacturing process sand control.
Continuity along with the oil mining time, sand grains in the loose oil reservoir can be taken to pit shaft by liquid stream inevitably, causes faults such as holddown in the oil well pump manufacturing process, often deposits and form gradually the sand post when serious in the shaft bottom, stop up oil flow channel, influence oil well output and ordinary production.For fear of or the appearance that alleviates above-mentioned situation, on-the-spot sand control installation and the technology that is adopting various machineries or chemistry at present, and obtain in various degree effect respectively, but these sand control installations, technology exist or intensity and service behaviour, sand controlling result is not ideal enough or complex structure, making implementing process difficulty are big, the more high shortcoming and defect of cost, and its scope of application is restricted.
The purpose of this utility model be to provide a kind of simple in structure, intensity is high, service behaviour and the good stainless steel plate mesh sand control tube of sand controlling result.
The utility model is to realize like this.The anti-sandpipe of this kind is made up of parent tube, skeleton, white steel mesh tube, net hoop, screw, cushion rubber and box cupling, its structure, assembling feature are as follows: parent tube upper end is with the box cupling that has been threaded, middle part band sieve aperture section tube wall is set with skeleton outward, skeleton is set with white steel mesh tube outward, both sides are respectively installed with net hoop white steel mesh tube are pushed down, and are provided with sealing in the net hoop and use cushion rubber, perforating and being welded on the parent tube on the side net hoop, opposite side net hoop is fixed with 6 sunk screws and parent tube, but also both sides all are screwed.During use, will prevent the box cupling tipping of 1-4 of sandpipes (fixed) by its upper end according to the oil well concrete condition below oil well pump with going on the pumping pipe string in the well, can put into production, and can obtain good sand controlling result.Should anti-sandpipe can with the supporting use of various oil well pumps, and be easy to disassembly, cleaning, reparation, replacing, can reuse 7-8 times.
The utlity model has simple in structure, in light weight, intensity is high, corrosion resistance is strong, area of passage is big, good penetrability, advantage such as can reuse, utilize it can obtain good sand controlling result, prolong pump detection period, guarantee the oil well ordinary production, reduce production costs, be suitable for extensive employing.
Accompanying drawing is a structural representation of the present utility model.
Below in conjunction with accompanying drawing enforcement of the present utility model is described further.
As shown in the figure, the utility model is made up of box cupling 1, cushion rubber 2, net hoop 3, white steel mesh tube 4, skeleton 5, screw 6 and parent tube 7.Wherein, parent tube 7 every long 1.5m adopt 55 φ, 73 oil pipes to be made through manufacturing procedures such as zinc-plated, perforatings, its upper and lower end is respectively equipped with pin thread, and evenly spreading all on the tube wall of mid-section body position has sieve aperture, and sieve aperture section both sides are uniformly distributed with 6 M8 screws respectively along the circumference.Skeleton 5 adopts φ 2mm stainless steel wire to be woven into the square mesh of length of side 25mm, is rolled into cylindrical shape.White steel mesh tube 4 adopts the thick 1Cr18Ni9Ti steel plate processing of 0.3-0.5mm, roll into have diameter 0.1-0.4mm circular hole or long 3.5mm, the net tube of wide 0.1-0.4mm same size slotted hole.
Claims (3)
1, a kind of stainless steel plate mesh sand control tube is made up of box cupling (1), parent tube (7), its
Be characterised in that: parent tube (7) upper end is with the box cupling that has been threaded (1), middle part band
Sieve aperture section tube wall is set with skeleton (5) outward, is set with white steel mesh outside the skeleton (5)
Tube (4), both sides are respectively installed with net hoop (3) and will nets tin (4) and push down net
Be provided with O-ring seal (2) in the hoop (3), a side net hoop (3) is gone up perforating and weldering
Be connected on the parent tube (7), opposite side net hoop (3) is with 6 sunk screws (6)
Fixing with parent tube (7), but also both sides all use screw (6) fixing.
2, stainless steel plate mesh sand control tube according to claim 1 is characterized in that,
Parent tube (7) adopts J55 φ 73 oil pipes to be made through operations such as zinc-plated, perforatings,
Its upper and lower end is respectively equipped with pin thread, on the tube wall of mid-section body position even time
Be furnished with sieve aperture, sieve aperture section both sides are uniformly distributed with 6 screws respectively along the circumference.
3, stainless steel plate mesh sand control tube according to claim 1 is characterized in that,
White steel mesh tube (4) adopts the thick 1Cr18Ni9Ti of 0.3-0.5mm; Steel plate processing,
Roll into net tube with same size circular hole or slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211471 CN2464935Y (en) | 2001-01-20 | 2001-01-20 | Stainless steel board net sand-proof pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01211471 CN2464935Y (en) | 2001-01-20 | 2001-01-20 | Stainless steel board net sand-proof pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2464935Y true CN2464935Y (en) | 2001-12-12 |
Family
ID=33630858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01211471 Expired - Fee Related CN2464935Y (en) | 2001-01-20 | 2001-01-20 | Stainless steel board net sand-proof pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2464935Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494278A (en) * | 2021-08-12 | 2021-10-12 | 大安鸿源管业有限公司 | Large-flow-rate high-efficiency underground oil extraction sand prevention device |
-
2001
- 2001-01-20 CN CN 01211471 patent/CN2464935Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494278A (en) * | 2021-08-12 | 2021-10-12 | 大安鸿源管业有限公司 | Large-flow-rate high-efficiency underground oil extraction sand prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |