CN207554025U - A kind of good oilfield exploitation sand control screen of compressive property - Google Patents
A kind of good oilfield exploitation sand control screen of compressive property Download PDFInfo
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- CN207554025U CN207554025U CN201820261230.7U CN201820261230U CN207554025U CN 207554025 U CN207554025 U CN 207554025U CN 201820261230 U CN201820261230 U CN 201820261230U CN 207554025 U CN207554025 U CN 207554025U
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- wall
- resistance
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- fastening bolt
- compression piece
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Abstract
The utility model discloses a kind of good oilfield exploitation sand control screens of compressive property, including tube body, the outer circumferential walls of the tube body offer the mounting groove equidistantly distributed, telescopic chute is offered at the top and bottom of the side of the mounting groove circumferential inner wall, and the inside of two neighboring telescopic chute is connected with same resistance to compression piece, the both ends that the resistance to compression piece is extended to inside telescopic chute are both provided with limited block, fixed-wing is connected with by fastening bolt at the circumference of mounting groove side inner wall, the circumferential inner wall of the fixed-wing is connected with housing by fastening bolt.The utility model is provided with resistance to compression piece; when the outer circumferential walls of tube body are acted on by external force; resistance to compression piece compressive deformation, the movement in telescopic chute of the both ends of resistance to compression piece relieve stress, during no pressure; resistance to compression piece restores; resistance to compression cushioning effect effectively is played, extends the service life of tube body, and be effectively protected housing; the utilization rate of filter layer is improved, during which buffer spring plays cushioning effect.
Description
Technical field
The utility model is related to the good oilfield exploitation sand screens in oilfield technology field more particularly to a kind of compressive property
Pipe.
Background technology
During oil gas well mining, due to reservoir loose cementation, intensity is low or fluid scouring, generally existing formation sand production
Phenomenon causes oil-gas Layer sand to bury, flow string and equipment attrition, leads to the oil/gas well underproduction, is to solve oil gas using sand control screen
Well shakes out the main means of problem.The failures such as blocking, erosion attack, corrosion failure can occur in actual use for sand control screen,
Lead to its failure, existing sand control screen there are compressive property it is bad the problem of, tube body service life is low, and the profit of filter layer
It is low with rate.
Utility model content
The purpose of this utility model is to solve shortcoming in the prior art, and a kind of compressive property proposed is good
Oilfield exploitation sand control screen.
To achieve these goals, the utility model employs following technical solution：
A kind of good oilfield exploitation sand control screen of compressive property, including tube body, the outer circumferential walls of the tube body offer
The mounting groove equidistantly distributed, the side top and bottom of the mounting groove circumferential inner wall offer telescopic chute, and adjacent two
The inside of a telescopic chute is connected with same resistance to compression piece, and the both ends that the resistance to compression piece is extended to inside telescopic chute are both provided with limiting
Block is connected with fixed-wing at the circumference of mounting groove side inner wall by fastening bolt, and the circumferential inner wall of the fixed-wing leads to
It crosses fastening bolt and is connected with housing, the top and bottom of housing side inner wall offer the first perforation, and two first
The circumferential inner wall of perforation is connected with outer sieve plate by fastening bolt, and the side of the housing circumferential inner wall is connected by fastening bolt
The first filter layer is connected to, the centre position of the housing circumferential inner wall is connected with the second filter layer, the shell by fastening bolt
Supporting pad is connected with by fastening bolt at the circumference of body opposite side inner wall, the circle centre position of the housing opposite side inner wall offers
Second perforation, and biperforate circumferential inner wall is connected with interior sieve plate, the circle of mounting groove side inner wall by fastening bolt
Placing groove is offered at the heart, the buffering equidistantly distributed is connected with by fastening bolt at the circumference of placing groove side inner wall
Spring, the circle centre position of placing groove side inner wall offer flowing perforation.
Preferably, the one end of the buffer spring far from tube body is connected by fastening bolt with housing, and flows perforation
Internal diameter is more than biperforate internal diameter.
Preferably, the circumferential inner wall of the placing groove is bonded with sealing ring, and the outer diameter phase of the internal diameter of sealing ring and housing
Adaptation.
Preferably, the top and bottom of telescopic chute side inner wall offer through-hole, and the internal diameter of through-hole and resistance to compression
The outer diameter of piece is adapted.
Preferably, the outer diameter of the limited block is more than the internal diameter of through-hole, and rubber pad is socketed at the circumference of limited block.
Preferably, the housing and fixed-wing are respectively positioned on the inside of resistance to compression piece, and the sieve pore internal diameter of outer sieve plate is more than interior sieve
The sieve pore internal diameter of plate.
The beneficial effects of the utility model are：
1. being provided with resistance to compression piece, telescopic chute and limited block, when the outer circumferential walls of tube body are acted on by external force, resistance to compression piece is pressurized
Deformation, the both ends of resistance to compression piece are mobile in telescopic chute to be relieved stress, and when pressure value is zero, resistance to compression piece restores, and effectively plays
Resistance to compression cushioning effect, extends the service life of tube body, and be effectively protected housing.
2. being provided with interior sieve plate, buffer spring and two outer sieve plates, fluid enters in housing through two outer sieve plates, passes through successively
First filter layer and the second filter layer are filtered, and finally flow out housing through interior sieve plate, improve the utilization rate of filter layer, during which
Buffer spring plays cushioning effect.
Description of the drawings
Fig. 1 be the utility model proposes a kind of good oilfield exploitation sand control screen of compressive property structure diagram；
Fig. 2 be the utility model proposes a kind of good oilfield exploitation sand control screen of compressive property partial structurtes signal
Figure.
In figure：1 resistance to compression piece, 2 housings, 3 telescopic chutes, 4 fixed-wings, 5 mounting grooves, 6 placing grooves, 7 flowing perforation, 8 buffering elastics
Spring, 9 tube bodies, sieve plate, 11 supporting pads, 12 outer sieve plates, 13 first filter layers, 14 second filter layers, 15 limited blocks in 10.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
With reference to Fig. 1-2, the good oilfield exploitation sand control screen of a kind of compressive property, including tube body 9, outside the circumference of tube body 9
Wall offers the mounting groove 5 equidistantly distributed, and telescopic chute 3 is offered at the top and bottom of the side of 5 circumferential inner wall of mounting groove, and
The inside of two neighboring telescopic chute 3 is connected with same resistance to compression piece 1, and the both ends that resistance to compression piece 1 is extended to inside telescopic chute 3 are respectively provided with
There is a limited block 15, fixed-wing 4, the circumferential inner wall of fixed-wing 4 are connected with by fastening bolt at the circumference of 5 side inner wall of mounting groove
Housing 2 is connected with by fastening bolt, the top and bottom of 2 side inner wall of housing offer the first perforation, and two first
The circumferential inner wall of perforation is connected with outer sieve plate 12 by fastening bolt, and the side of 2 circumferential inner wall of housing is connected by fastening bolt
The first filter layer 13 is connected to, the centre position of 2 circumferential inner wall of housing is connected with the second filter layer 14, housing 2 by fastening bolt
Supporting pad 11 is connected with by fastening bolt at the circumference of opposite side inner wall, the circle centre position of 2 opposite side inner wall of housing offers
Two perforation, and biperforate circumferential inner wall is connected with interior sieve plate 10, the circle centre position of 5 side inner wall of mounting groove by fastening bolt
Placing groove 6 is offered, the buffer spring 8 equidistantly distributed is connected with by fastening bolt at the circumference of 6 side inner wall of placing groove,
The circle centre position of 6 side inner wall of placing groove offers flowing perforation 7.
In the utility model, the one end of buffer spring 8 far from tube body 9 is connected by fastening bolt and housing 2, and flowing is worn
The internal diameter in hole 7 is more than biperforate internal diameter, and the circumferential inner wall of placing groove 6 is bonded with sealing ring, and the internal diameter and shell of sealing ring
The outer diameter of body 2 is adapted, and the top and bottom of 3 side inner wall of telescopic chute offer through-hole, and the internal diameter of through-hole and resistance to compression piece 1
Outer diameter be adapted, the outer diameter of limited block 15 is more than the internal diameter of through-hole, and rubber pad, housing are socketed at the circumference of limited block 15
2 and fixed-wing 4 be respectively positioned on the inside of resistance to compression piece 1, and the sieve pore internal diameter of outer sieve plate 12 is more than the sieve pore internal diameter of interior sieve plate 10.
Operation principle：When the outer circumferential walls of tube body 9 are acted on by external force, 1 compressive deformation of resistance to compression piece, the both ends of resistance to compression piece 1
Movement relieves stress in telescopic chute 3, and when pressure value is zero, resistance to compression piece 1 restores, and fixed-wing 4 is fixed in mounting groove 5,
Fluid enters through two outer sieve plates 12 in housing 2, is filtered successively through the first filter layer 13 and the second filter layer 14, final to pass through
Interior sieve plate 10 flows out housing 2, and during which buffer spring 8 plays cushioning effect.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. the good oilfield exploitation sand control screen of a kind of compressive property, including tube body (9), which is characterized in that the tube body (9)
Outer circumferential walls offer the mounting groove (5) equidistantly distributed, are opened at the top and bottom of the side of mounting groove (5) circumferential inner wall
Inside equipped with telescopic chute (3), and two neighboring telescopic chute (3) is connected with same resistance to compression piece (1), and the resistance to compression piece (1) is prolonged
It extends to the internal both ends of telescopic chute (3) and is both provided with limited block (15), by tight at the circumference of mounting groove (5) side inner wall
Fixing bolt is connected with fixed-wing (4), and the circumferential inner wall of the fixed-wing (4) is connected with housing (2), the shell by fastening bolt
The top and bottom of body (2) side inner wall offer the first perforation, and the circumferential inner wall of two first perforation passes through fastening
Outer sieve plate (12) is bolted, the side of housing (2) circumferential inner wall is connected with the first filter layer by fastening bolt
(13), the centre position of housing (2) circumferential inner wall is connected with the second filter layer (14), the housing by fastening bolt
(2) supporting pad (11), the center of circle of housing (2) the opposite side inner wall are connected with by fastening bolt at the circumference of opposite side inner wall
Place offers the second perforation, and biperforate circumferential inner wall is connected with interior sieve plate (10), the mounting groove by fastening bolt
(5) circle centre position of side inner wall offers placing groove (6), passes through fastening bolt at the circumference of placing groove (6) side inner wall
The buffer spring (8) equidistantly distributed is connected with, the circle centre position of placing groove (6) side inner wall offers flowing perforation (7).
2. the good oilfield exploitation sand control screen of a kind of compressive property according to claim 1, which is characterized in that described slow
It rushes the one end of spring (8) far from tube body (9) to connect by fastening bolt and housing (2), and the internal diameter for flowing perforation (7) is more than the
Biperforate internal diameter.
3. the good oilfield exploitation sand control screen of a kind of compressive property according to claim 1, which is characterized in that described to put
The circumferential inner wall for putting slot (6) is bonded with sealing ring, and the outer diameter of the internal diameter of sealing ring and housing (2) is adapted.
4. the good oilfield exploitation sand control screen of a kind of compressive property according to claim 1, which is characterized in that described to stretch
The top and bottom of contracting slot (3) side inner wall offer through-hole, and the outer diameter of the internal diameter of through-hole and resistance to compression piece (1) is adapted.
A kind of 5. good oilfield exploitation sand control screen of compressive property according to claim 1, which is characterized in that the limit
The outer diameter of position block (15) is more than the internal diameter of through-hole, and is socketed with rubber pad at the circumference of limited block (15).
A kind of 6. good oilfield exploitation sand control screen of compressive property according to claim 1, which is characterized in that the shell
Body (2) and fixed-wing (4) are respectively positioned on the inside of resistance to compression piece (1), and the sieve pore internal diameter of outer sieve plate (12) is more than interior sieve plate (10)
Sieve pore internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261230.7U CN207554025U (en) | 2018-02-14 | 2018-02-14 | A kind of good oilfield exploitation sand control screen of compressive property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261230.7U CN207554025U (en) | 2018-02-14 | 2018-02-14 | A kind of good oilfield exploitation sand control screen of compressive property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554025U true CN207554025U (en) | 2018-06-29 |
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ID=62660890
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820261230.7U Active CN207554025U (en) | 2018-02-14 | 2018-02-14 | A kind of good oilfield exploitation sand control screen of compressive property |
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| CN (1) | CN207554025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295868A (en) * | 2019-07-16 | 2019-10-01 | 邓福成 | Combined expanded screen casing |
-
2018
- 2018-02-14 CN CN201820261230.7U patent/CN207554025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295868A (en) * | 2019-07-16 | 2019-10-01 | 邓福成 | Combined expanded screen casing |
| CN110295868B (en) * | 2019-07-16 | 2021-12-14 | 邓福成 | Combined expansion sieve tube |
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