CN103122755A - Oil sieve tube - Google Patents
Oil sieve tube Download PDFInfo
- Publication number
- CN103122755A CN103122755A CN 201110367948 CN201110367948A CN103122755A CN 103122755 A CN103122755 A CN 103122755A CN 201110367948 CN201110367948 CN 201110367948 CN 201110367948 A CN201110367948 A CN 201110367948A CN 103122755 A CN103122755 A CN 103122755A
- Authority
- CN
- China
- Prior art keywords
- hole
- baffle plate
- aperture
- foundry goods
- wall
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Revetment (AREA)
Abstract
An oil sieve tube comprises an inner side through hole and an outer side through hole. The inner side through hole and the outer side through hole are formed in the wall of a tube body, penetrate through the thickness of the tube wall, and are connected and communicated. The inner side through hole is located in one side of the tube body inner wall, the outer side through hole is located in one side of the tube body outer wall, a casting is arranged in the outer side through hole, and a sieve hole is formed in the casting. The oil sieve tube has the advantages of being simple in structure and good in sand prevention effect.
Description
Technical field
The present invention relates to a kind of Petroleum screen tube.
Background technology
Screen casing (also claim cut meet screen casing) is to be installed on the seamless or welding steel well casing such as oil well, well, underground heat bottom, a kind of special cast that separates with sandstone in the stratum in order to the liquid that will exploit.
The patent No. is the patent of [02282095.7], a kind of Petroleum screen tube is disclosed, on the wall of body and the thickness that runs through tube wall be provided with interior side through hole and the outer side through hole that is connected and communicates, interior side through hole is positioned at a side of inboard wall of tube body, outer side through hole is positioned at a side of tube wall, be provided with foundry goods in side through hole outside, foundry goods is provided with sieve aperture, and its shortcoming is: one, due to outside through-hole aperture greater than inboard through-hole aperture, the edge hole of the foundry goods that outer side through hole is provided with has been blocked, and can not play a role; Two, inboard through-hole aperture is larger, is subject to sandstone and blocks up.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of Petroleum screen tube, can satisfy the following rock sand grain of 0. 2mm and guarantee the Petroleum screen tube of permeability, have simple in structure, the characteristics that sand block is effective.
To achieve these goals, the technical solution used in the present invention is: a kind of Petroleum screen tube with foundry goods, include a side that is positioned at body l inwall and be provided with side through hole 3, outer side through hole 4 is positioned at a side of body 1 outer wall, is provided with foundry goods 2 in side through hole 4 outside, and foundry goods 2 is provided with sieve aperture 5, it is characterized in that, be provided with upper strata baffle plate 6 in interior side through hole 3, middle level baffle plate 7 and lower floor's baffle plate 8, outer side through hole 4 inwalls are connected with the inwall of interior side through hole 3.
Aperture on described upper strata baffle plate 6 is greater than the aperture on middle level baffle plate 7, the aperture on the aperture lower floor baffle plate 8 on middle level baffle plate 7.
The present invention is owing to being provided with three layers of baffle plate in interior side through hole, and outer side through hole 4 inwalls and the inwall junction of interior side through hole 3 removed the part tube wall, inwall through hole 3 is communicated with part foundry goods 2 in the outer side through hole 4 that originally blocked, have sand block effective, simple in structure and sieve the characteristics of oily excellent in efficiency, guaranteed that finite sand control can satisfy the requirement of the following rock sand grain of 0. 2mm.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of side through hole 3 in the present invention.
The specific embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further illustrate the present invention and how to realize.
As scheme l, Fig. 2, a kind of Petroleum screen tube with foundry goods, include a side that is positioned at body l inwall and be provided with side through hole 3, outer side through hole 4 is positioned at a side of body 1 outer wall, be provided with foundry goods 2 in side through hole 4 outside, foundry goods 2 is provided with sieve aperture 5, is provided with upper strata baffle plate 6 in interior side through hole 3, middle level baffle plate 7 and lower floor's baffle plate 8, outer side through hole 4 inwalls are connected with the inwall of interior side through hole 3.Aperture on described upper strata baffle plate 6 is greater than the aperture on middle level baffle plate 7, the aperture on the aperture lower floor baffle plate 8 on middle level baffle plate 7.
Claims (2)
1. Petroleum screen tube with foundry goods, include a side that is positioned at body (l) inwall and be provided with side through hole (3), outer side through hole (4) is positioned at a side of body (1) outer wall, be provided with foundry goods (2) in side through hole (4) outside, foundry goods (2) is provided with sieve aperture (5), it is characterized in that, be provided with upper strata baffle plate (6) in interior side through hole (3), middle level baffle plate (7) and lower floor's baffle plate (8), outer side through hole (4) inwall is connected with the inwall of interior side through hole (3).
2. according to claim 1, it is characterized in that, the aperture on described upper strata baffle plate (6) is greater than the aperture on middle level baffle plate (7), the aperture on the aperture lower floor's baffle plate (8) on middle level baffle plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110367948 CN103122755A (en) | 2011-11-18 | 2011-11-18 | Oil sieve tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110367948 CN103122755A (en) | 2011-11-18 | 2011-11-18 | Oil sieve tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103122755A true CN103122755A (en) | 2013-05-29 |
Family
ID=48453871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110367948 Pending CN103122755A (en) | 2011-11-18 | 2011-11-18 | Oil sieve tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103122755A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647825A (en) * | 2015-03-10 | 2015-05-27 | 苏州道众机械制造有限公司 | Double-layered composite pipe plate |
| CN104669352A (en) * | 2013-12-02 | 2015-06-03 | 天津中杰科技发展有限公司 | Gap squeezing tool for step gap screen tube |
| CN110500264A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of application method of the long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
-
2011
- 2011-11-18 CN CN 201110367948 patent/CN103122755A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669352A (en) * | 2013-12-02 | 2015-06-03 | 天津中杰科技发展有限公司 | Gap squeezing tool for step gap screen tube |
| CN104647825A (en) * | 2015-03-10 | 2015-05-27 | 苏州道众机械制造有限公司 | Double-layered composite pipe plate |
| CN110500264A (en) * | 2019-08-23 | 2019-11-26 | 程雅雯 | A kind of application method of the long oil well pump of long plunger sand control equipped with resistance sand hydrotubator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012174586A3 (en) | Mining method for gassy and low permeability coal seams | |
| CN206172287U (en) | Liquid tank car wave breaker | |
| CN103122755A (en) | Oil sieve tube | |
| CN103924795A (en) | Existing building moving underground space structure and construction method | |
| CN204003766U (en) | A kind of oil hydraulic cylinder fixed base | |
| CN202047823U (en) | Water-sand inflow preventing sealing device for open-type shielding machine | |
| CN203248175U (en) | Automatic coupling supporting device of mineshaft deep roadway | |
| CN105386740B (en) | A kind of method at vertical long hole through hole plugging hole bottom | |
| CN203420253U (en) | Artificial beach | |
| CN205024694U (en) | Superplasticity concrete drilling bored concrete pile dado | |
| CN204344081U (en) | A kind of ram pile driver denoising device | |
| CN204419242U (en) | A kind of gas discharge in mine equipment | |
| CN203625846U (en) | Overwater floating type operation platform pile fixing device | |
| CN103437794B (en) | Fluid-link steering platform | |
| CN203256769U (en) | Composite force bearing foundation located in water | |
| CN203174455U (en) | Novel pavement structure | |
| CN103670322A (en) | Gate valve tubular blowout preventer | |
| CN203879546U (en) | Air pump and water tank integrated drainage system | |
| CN103603343A (en) | Deep foundation construction support | |
| CN201827410U (en) | Double-acting plate gate valve | |
| CN202139600U (en) | Non-resource exploitation type precipitation well | |
| CN203002635U (en) | Grizzly screen for draw shaft mine receiving mouth | |
| CN202970488U (en) | Geological sampling diamond bit | |
| CN201914333U (en) | Mine dumper with floor framework | |
| CN201991018U (en) | Safe inspection well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130529 |