CN106761592A - A kind of adjustable compound sand-prevention screen pipe of precision - Google Patents
A kind of adjustable compound sand-prevention screen pipe of precision Download PDFInfo
- Publication number
- CN106761592A CN106761592A CN201710024917.9A CN201710024917A CN106761592A CN 106761592 A CN106761592 A CN 106761592A CN 201710024917 A CN201710024917 A CN 201710024917A CN 106761592 A CN106761592 A CN 106761592A
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- Prior art keywords
- sand
- precision
- adjustable
- layer
- pipe
- Prior art date
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 17
- 239000004576 sand Substances 0.000 claims abstract description 80
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000012946 outsourcing Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of adjustable compound sand-prevention screen pipe of precision; including base tube, the non-adjustable anti-layer of sand of precision, the anti-layer of sand of adjustable precision and protective cover; wherein described base tube two ends are connected by connection screw thread with oil pipe; flowing hole is offered on base tube; the non-adjustable anti-layer of sand of outsourcing precision on base tube; the non-adjustable anti-layer of sand peripheral hardware of precision is equipped with the anti-layer of sand of adjustable precision; the anti-layer of sand peripheral hardware of adjustable precision is equipped with protective cover, the interior Wire wound tube and outer Wire wound tube of the anti-layer of sand of adjustable precision it is interlaced and can the mutually changing of the relative positions so as to adjust its gap each other.The sand control screen precision can adjust, and the screen casing with sand control efficiency high and area of passage high, can effectively improve sand controlling result, reduce sand control cost.
Description
Technical field
It is more particularly to a kind of that there is sand control efficiency high and area of passage high the present invention relates to Oil/gas Well sand control equipment field
And the adjustable compound sand-prevention screen pipe of precision.
Background technology
At present, most of Reservoir Development all enters the middle and later periods in the world, and generally existing is shaked out problem on stream.
Shake out and oil-gas reservoir exploitation is had an immense impact on, it is main to include causing the Oil/gas Well underproduction, or even stop production；Aggravation underground equipment and ground
The abrasion of face equipment；Casing failure, final Oil/gas Well is caused to scrap most serious of all.Problems are directed to, sand control is most
Effective approach, by the control to sand production of oil-gas wells, prevents its influence to the normal production of Oil/gas Well.And sand control precision is to oil
The recovery ratio of gas well has very big influence, and suitable sand control precision can increase oil gas well recovery.
In recent years, anti-sand method mainly has gravel filling, chemical sand control and mechanical sand control etc., the whole world about 80%
Oil/gas Well controls sand using the method for mechanical sand control, and mechanical sand control is occupied an leading position in anti-sand method, screen casing in mechanical sand control
It is again core component.The sand control screen used in current oil gas field mainly has cutting seam sieve tube, wire-wrapped screen, composite screen pipe etc. various
Screen casing, determines when the sand control precision of above screen casing is by manufacture production, is all to fix unadjustable.But due to oil-gas reservoir difference
Granular size of shaking out is also different, and required sand control precision is also differed.Therefore if it is desired that just must basis with above screen casing
Oil reservoir is prefabricated, and once being impossible to change after manufacture, it is very inconvenient.
The content of the invention
Goal of the invention of the invention is：For above-mentioned problem, there is provided a kind of adjustable composite sand prevention sieve of precision
Pipe, the sand control screen precision can adjust, and the screen casing with sand control efficiency high and area of passage high, can effectively improve sand control
Effect, reduction sand control cost.
The technical solution adopted by the present invention is as follows：
A kind of adjustable compound sand-prevention screen pipe of precision, including the non-adjustable anti-layer of sand of base tube, precision, the anti-layer of sand of adjustable precision and guarantor
Shield, wherein the base tube two ends are connected by connection screw thread with oil pipe, offers flowing hole, outsourcing precision on base tube on base tube
Non-adjustable anti-layer of sand, the non-adjustable anti-layer of sand peripheral hardware of precision is equipped with the anti-layer of sand of adjustable precision, and the anti-layer of sand peripheral hardware of adjustable precision is put
There is protective cover.
In further technical scheme, the anti-layer of sand of adjustable precision is double-deck wrapping wire proof adjustable layer of sand structure, including
The interior Wire wound tube and outer Wire wound tube of mutually tight set, the interior Wire wound tube and the outer Wire wound tube it is interlaced and can mutually the changing of the relative positions from
And its gap each other is adjusted, the protective cover welding is on outer Wire wound tube.
In further technical scheme, the interior Wire wound tube includes inner support rib, wrapping wire A and blind pipe A, and inner support rib is by essence
Spend non-adjustable anti-layer of sand to be fixed on base tube, wrapping wire A is connected on inner support rib, blind pipe A is arranged on the two ends of inner support rib, blind
Multiple location hole A are offered on pipe A.
In further technical scheme, the outer Wire wound tube includes outer support rib, wrapping wire B and blind pipe B, the wrapping wire B companies
It is connected on outer support rib, blind pipe B is arranged on the two ends of outer support rib, multiple location hole B, the location hole A is offered on blind pipe B
Coordinate with location hole B location and positioned by screw.
In further technical scheme, the location hole A Spiral distributions are on blind pipe A and be screw thread non through hole, described fixed
Position hole B Spiral distributions are on blind pipe B and be through hole, and screw is threadedly coupled through through hole with the location hole A on blind pipe A.
In further technical scheme, be evenly distributed with the protective cover inwall be not through hole button-type flowing hole,
Button-type flowing hole is used to change the direction for entering fluid.
In further technical scheme, the cross sectional shape of the wrapping wire A is trapezoidal, and the inner support rib cross sectional shape is class
Triangle, the structure of the sand control slit of wrapping wire A positions into outer narrow inner width；The cross sectional shape of the wrapping wire B is rectangle, described
The cross sectional shape of outer support rib is class triangle.
In further technical scheme, the non-adjustable anti-layer of sand of precision is metal wool sand control medium, the metal wool sand control
Medium is fixed on base tube by inner support rib.
In further technical scheme, the base tube two ends are on base tube where in the middle of connection screw thread, two ends connection screw thread
Flowing hole Spiral distribution on base tube.
In further technical scheme, the multiple location hole A Spiral distributions are on blind pipe A, and location hole A is each other
Pitch-row be the scale for determining regulation aperture, for determining wrapping wire A and gap apertures of the wrapping wire B after overregulating each other.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
（1）The adjustable screen casing of precision proposed by the present invention, strengthens the adaptability of screen casing, can make optimal essence for different oil reservoirs
Degree regulation；Facilitate manufacturer to produce in enormous quantities in the case of uncomprehending to oil reservoir situation, save the production time and be produced into
This；
（2）The present invention is proposed using the anti-layer of sand composition composite sand prevention of metal wool and adjustable precision, sand control strong applicability, and can be prevented
Special fine silt, area of passage is big；By the design to wrapping wire A and inner support rib cross sectional shape, make its combinated seam for outer narrow inner width,
With " self-cleaning " effect, it is not easily blocked；
（3）This sand control screen simple structure, structural strength is high, and anti-blockage capability and erosion resistance are strong.
Brief description of the drawings
The present invention will be illustrated by specific embodiment and with reference to the appended drawing, wherein：
Fig. 1 is the structural representation of the adjustable compound sand-prevention screen pipe of precision of the present invention, i.e., the B-B-B directions cross section structure along Fig. 2
Schematic diagram；
Fig. 2 is the top view of the adjustable composite screen pipe of precision of the present invention；
Fig. 3 is the cross-sectional view of the adjustable composite screen pipe of precision of the present invention, i.e., illustrate along Fig. 1 A-A directions cross section structure
Figure；
The structural representation of Fig. 4 base tubes of the present invention；
Fig. 5 is the structural representation of interior Wire wound tube in the adjustable composite screen pipe of precision of the present invention；
Fig. 6 is the structural representation of the adjustable composite screen pipe China and foreign countries Wire wound tube of precision of the present invention；
Structural representation when Fig. 7 is precision of the present invention adjustable composite screen pipe aperture standard-sized sheet；
Structural representation when Fig. 8 is precision of the present invention adjustable composite screen pipe close portion separation；
Fig. 9 is the structural representation of the anti-layer of sand of adjustable precision of the present invention；
Reference in figure：1 is that base tube 2 is interior Wire wound tube
3 is that outer Wire wound tube 4 is that the non-adjustable anti-layer of sand 5 of precision is protective cover
6 is that inner support rib 7 is that wrapping wire A 8 is that wrapping wire B 9 is outer support rib
10 is that location hole A 11 is that screw 12 is that location hole B 13 is button-type flowing hole
14 is that flowing hole 15 is that connection screw thread 16 is that blind pipe A 17 is blind pipe B.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Equivalent by other or with similar purpose alternative features are replaced.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
In the embodiment, in order to realize that the present invention reaches the adjustable purpose of precision, and with sand control efficiency high and height
The screen casing of area of passage, can effectively improve sand controlling result, reduce sand control cost.It is as shown in Figure 1 the present invention that we employs
Structure, the structure coordinates the composite design of movable operation part, including base tube, precision using fixed unadjustable part
Non-adjustable anti-layer of sand, the anti-layer of sand of adjustable precision and protective cover.Wherein base tube two ends are designed with connection screw thread, by connection screw thread
It is connected with outside oil pipe, flowing hole is opened up on base tube, the general design in spiral distribution on base tube using flowing hole is such as schemed
Shown in 4.In the structure shown here, the non-adjustable anti-layer of sand of precision typically uses metal wool sand control medium, and metal wool sand control medium is in
Inner support rib on Wire wound tube is fixed on base tube, by answering for the non-adjustable anti-layer of sand of precision and the anti-layer of sand two-layer of adjustable precision
Close structure and improve sand control efficiency, with area of passage it is big, the sand control efficiency high of thick, fine silt can be prevented.
In further technical scheme, as shown in Figures 2 and 3, for the design of the anti-layer of sand of adjustable precision, we use
Structure that interior Wire wound tube and outer Wire wound tube mutually tightly cover and its each other can the changing of the relative positions come the design that is regulated and controled, will be described
The anti-layer of sand of adjustable precision is designed as double-deck wrapping wire proof adjustable layer of sand structure, including the mutually tight interior Wire wound tube and outer wrapping wire for covering
Pipe, the interior Wire wound tube and the outer Wire wound tube it is interlaced and can the mutually changing of the relative positions so as to adjust its gap each other, shifting
Move outer wrapping wire sand-proof pipe, make the wrapping wire B changing of the relative positions in wrapping wire A and outer Wire wound tube in interior Wire wound tube, finally with screw by location hole A with
Location hole B is fixed, and just can be gone into the well, and reaches the purpose of regulation sand control precision.
In further technical scheme, the structure of interior Wire wound tube as shown in Figure 5, including inner support rib, wrapping wire A and blind pipe
A, the structure of outer Wire wound tube as shown in Figure 6, including outer support rib, wrapping wire B and blind pipe B, inner support rib can not relieve a garrison precision
Layer of sand is fixed on base tube, and multiple location hole A are offered on blind pipe A, and multiple location hole B are offered on blind pipe B, and the present invention passes through
The cooperation of location hole A and location hole B reaches the purpose of regulation, that is, by the pitch-row of location hole A or B as regulation quarter
Degree, and the regulation that screen casing precision is realized in relevant position is fixed on by screw.
In further technical scheme, the location hole A Spiral distributions are on blind pipe A and be screw thread non through hole, described fixed
Position hole B Spiral distributions are on blind pipe B and be through hole, and screw is threadedly coupled through through hole with the location hole A on blind pipe A.
In further technical scheme, as shown in Fig. 1,3,7 and 8, it be not logical to be evenly distributed with the protective cover inwall
The button-type flowing hole in hole, button-type flowing hole is used to change the direction for entering fluid, makes to change during fluid inflow body and vertical is
Tangentially, erosion of the fluid to the adjustable compound sand-prevention screen pipe of precision is reduced.
In further technical scheme, as shown in Fig. 1,7,8 and 9, the cross sectional shape of the wrapping wire A be it is trapezoidal, it is described interior
Ribs cross sectional shape is class triangle, for supporting wrapping wire A and strengthening interior wrapping wire sand-proof pipe intensity, wrapping wire A positions
Sand control slit, with " self-cleaning " ability, is not easily blocked into the structure of outer narrow inner width；The cross sectional shape of the wrapping wire B is rectangle, institute
The cross sectional shape of outer support rib is stated for class triangle, for supporting wrapping wire B and strengthening outer wrapping wire sand-proof pipe intensity.
The invention is not limited in foregoing specific embodiment.The present invention is expanded to and any in this manual disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. the adjustable compound sand-prevention screen pipe of a kind of precision, it is characterised in that:Including base tube（1）, the non-adjustable anti-layer of sand of precision（4）、
The anti-layer of sand of adjustable precision and protective cover（5）, wherein the base tube（1）Two ends pass through connection screw thread（15）It is connected with oil pipe, base
Pipe（1）On offer flowing hole（14）, base tube（1）The upper non-adjustable anti-layer of sand of outsourcing precision（4）, the non-adjustable anti-layer of sand of precision（4）
The anti-layer of sand of adjustable precision is provided with outward, the anti-layer of sand peripheral hardware of adjustable precision is equipped with protective cover（5）.
2. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 1, it is characterised in that：The adjustable precision
Anti- layer of sand is double-deck wrapping wire proof adjustable layer of sand structure, including mutually tight set interior Wire wound tube（2）With outer Wire wound tube（3）, it is described interior
Wire wound tube（2）With the outer Wire wound tube（3）It is interlaced and can the mutually changing of the relative positions so as to adjust its gap each other, the guarantor
Shield（5）Welding is in outer Wire wound tube（3）On.
3. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 2, it is characterised in that：The interior Wire wound tube
（2）Including inner support rib（6）, wrapping wire A（7）With blind pipe A（16）, inner support rib（6）By the non-adjustable anti-layer of sand of precision（4）It is fixed on
Base tube（1）On, wrapping wire A（7）It is connected to inner support rib（6）On, blind pipe A（16）It is arranged on inner support rib（6）Two ends, blind pipe A
（16）On offer multiple location hole A（10）.
4. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 3, it is characterised in that：The outer Wire wound tube
（3）Including outer support rib（9）, wrapping wire B（8）With blind pipe B（17）, the wrapping wire B（8）It is connected to outer support rib（9）On, blind pipe B
（17）It is arranged on outer support rib（9）Two ends, blind pipe B（17）On offer multiple location hole B（12）, the location hole A（10）
With location hole B（12）Position coordinates and by screw（11）Positioning.
5. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 4, it is characterised in that：The location hole A
（10）Spiral distribution is in blind pipe A（16）It is upper and be screw thread non through hole, the location hole B（12）Spiral distribution is in blind pipe B（17）On
And be through hole, screw（11）Through through hole and blind pipe A（16）On location hole A（10）Threaded connection.
6. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 2, it is characterised in that：The protective cover（5）
Be evenly distributed with inwall be not through hole button-type flowing hole（13）, button-type flowing hole（13）Enter fluid for changing
Direction.
7. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 4, it is characterised in that：The wrapping wire A（7）'s
Cross sectional shape is trapezoidal, the inner support rib（6）Cross sectional shape is class triangle, wrapping wire A（7）The sand control slit of position into
The structure of outer narrow inner width；The wrapping wire B（8）Cross sectional shape be rectangle, the outer support rib（9）Cross sectional shape be class triangle
Shape.
8., according to a kind of one of them the described adjustable compound sand-prevention screen pipe of precision of claim 3 or 4 or 5 or 7, its feature exists
In：The non-adjustable anti-layer of sand of precision（4）It is metal wool sand control medium, the metal wool sand control medium passes through inner support rib（6）Gu
Due to base tube（1）On.
9. the adjustable compound sand-prevention screen pipe of a kind of precision according to claim 1, it is characterised in that：The base tube（1）Two
It is connection screw thread to hold（15）, two ends connection screw thread（15）Base tube where middle（1）On flowing hole（14）Spiral distribution is in base tube
（1）On.
10. according to a kind of one of them the described adjustable compound sand-prevention screen pipe of precision of claim 4 or 5, it is characterised in that：Institute
State multiple location hole A（10）Spiral distribution is in blind pipe A（16）On, and location hole A（10）Pitch-row each other is adjusted for determination
The scale of aperture, for determining wrapping wire A（7）With wrapping wire B（8）Gap aperture after overregulating each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024917.9A CN106761592A (en) | 2017-01-13 | 2017-01-13 | A kind of adjustable compound sand-prevention screen pipe of precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024917.9A CN106761592A (en) | 2017-01-13 | 2017-01-13 | A kind of adjustable compound sand-prevention screen pipe of precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761592A true CN106761592A (en) | 2017-05-31 |
Family
ID=58945431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710024917.9A Pending CN106761592A (en) | 2017-01-13 | 2017-01-13 | A kind of adjustable compound sand-prevention screen pipe of precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761592A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143315A (en) * | 2017-07-06 | 2017-09-08 | 成都川通达科技有限公司 | A kind of flow control sand control installation |
| CN108457627A (en) * | 2018-03-02 | 2018-08-28 | 中国石油大学(华东) | A kind of compound restraining liner of the more grades of multilayer suitable for Extra-fine sand sand control |
| CN108952638A (en) * | 2018-08-10 | 2018-12-07 | 常州大学 | A kind of gas hydrates horizontal wells sand control simulator and test method |
| CN112343563A (en) * | 2020-11-04 | 2021-02-09 | 山东华冠能源技术有限公司 | Precision-adjustable composite sand control screen pipe |
| CN113586016A (en) * | 2021-09-29 | 2021-11-02 | 中国石油大学(华东) | Intelligent control sand control screen pipe for huff and puff production of sand production oil and gas reservoir and production process |
| US11371332B2 (en) | 2020-04-17 | 2022-06-28 | Saudi Arabian Oil Company | Sand accumulators to aid downhole pump operations |
| CN115370330A (en) * | 2022-10-25 | 2022-11-22 | 常熟市恒源金属制品有限公司 | Hole-adjustable wire-wound sieve tube |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143315A (en) * | 2017-07-06 | 2017-09-08 | 成都川通达科技有限公司 | A kind of flow control sand control installation |
| CN108457627A (en) * | 2018-03-02 | 2018-08-28 | 中国石油大学(华东) | A kind of compound restraining liner of the more grades of multilayer suitable for Extra-fine sand sand control |
| CN108952638A (en) * | 2018-08-10 | 2018-12-07 | 常州大学 | A kind of gas hydrates horizontal wells sand control simulator and test method |
| US11371332B2 (en) | 2020-04-17 | 2022-06-28 | Saudi Arabian Oil Company | Sand accumulators to aid downhole pump operations |
| CN112343563A (en) * | 2020-11-04 | 2021-02-09 | 山东华冠能源技术有限公司 | Precision-adjustable composite sand control screen pipe |
| CN112343563B (en) * | 2020-11-04 | 2022-03-15 | 山东华冠能源技术有限公司 | Precision-adjustable composite sand control screen pipe |
| CN113586016A (en) * | 2021-09-29 | 2021-11-02 | 中国石油大学(华东) | Intelligent control sand control screen pipe for huff and puff production of sand production oil and gas reservoir and production process |
| CN115370330A (en) * | 2022-10-25 | 2022-11-22 | 常熟市恒源金属制品有限公司 | Hole-adjustable wire-wound sieve tube |
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