CN115370330A - Hole-adjustable wire-wound sieve tube - Google Patents
Hole-adjustable wire-wound sieve tube Download PDFInfo
- Publication number
- CN115370330A CN115370330A CN202211306220.8A CN202211306220A CN115370330A CN 115370330 A CN115370330 A CN 115370330A CN 202211306220 A CN202211306220 A CN 202211306220A CN 115370330 A CN115370330 A CN 115370330A
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- Prior art keywords
- screen pipe
- moving layer
- layer
- wire
- screen
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- 238000004804 winding Methods 0.000 claims abstract description 74
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 5
- 238000010618 wire wrap Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- E21B43/088—Wire screens
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a hole-adjustable wire-wound sieve tube, which belongs to the technical field of filtering equipment. The gaps of the steel wire ropes in the screen pipe wire winding layer and the gaps of the steel wire ropes in the screen pipe moving layer mesh sheet are communicated to form filtering through holes, the moving layer can move axially along the screen pipe base pipe, when the gaps of the steel wire ropes in the screen pipe moving layer mesh sheet are overlapped with the gaps of the steel wire ropes in the screen pipe wire winding layer, the flow area of the filtering through holes is the largest, the flow area of the filtering through holes is gradually reduced along with the movement of the screen pipe moving layer mesh sheet, when the flow area reaches the minimum, the filtering solid particles are the minimum, and then the flow area is gradually increased along with the movement of the mesh sheet. According to the invention, the size of the filtering holes is adjusted by adjusting the position of the movable layer mesh, and the diameter of the solid filtered by the wire-wound sieve tube is changed.
Description
Technical Field
The invention belongs to the technical field of filtering equipment, and particularly relates to a hole-adjustable wire-wound sieve tube.
Background
The wire-wrapped screen pipe is a common solid particle filter element such as sand and the like and consists of a central pipe body with holes, protruding strips and stainless steel wire wrapping. And winding stainless steel winding wires on the outer layer of the central tube body. In the winding process of the winding wire, rib plates are distributed on the central pipe body in the axial direction according to a certain distance and used for supporting the winding wire. The sand control mechanism of the wire-wound screen pipe is to separate solid matters by utilizing gaps among steel wires to realize filtration. The thicker the central tube, the more raised strips are on the outside. The size of the stainless steel wire-wound gap spacing determines the particle size of the filtering solids.
When the external wire-wound steel wire is thick, the gap is large, the filtering of small-particle solids is difficult to meet, and the particle filtering range of a single screen pipe is fixed.
Disclosure of Invention
In order to realize the adjustment of the filtering size, the filtering requirements of solid particles with different sizes are met. The invention provides a hole-adjustable wire-wound sieve tube.
A moving layer is arranged between a screen pipe wire winding layer and a screen pipe base pipe. The movable layer is composed of a plurality of screen pipe movable layer net pieces with the same structure and screen pipe rib plates, the screen pipe movable layer net pieces and the screen pipe rib plates are arranged at intervals, and each screen pipe movable layer net piece is embedded between two longitudinal ribs of each screen pipe rib plate.
And the screen plate of the screen pipe moving layer is provided with through holes.
The thickness of each screen pipe moving layer mesh is equal to that of the screen pipe mesh, and the upper surface and the lower surface of each screen pipe moving layer mesh are respectively attached to the inner surface of the screen pipe wire winding layer and the outer surface of the screen pipe base pipe.
Each screen pipe moving layer mesh in the screen pipe moving layers can be movably arranged along the axial direction of the screen pipe base pipe.
The screen pipe moving layer net piece is composed of a plurality of stainless steel wires which are arranged in parallel, and the gaps of the stainless steel wires form the filtering through holes of the screen pipe moving layer net piece. The distance between the steel wire ropes on the screen plate of each screen pipe moving layer is the same as that between the steel wire ropes on the screen pipe wire winding layer. The filtering material passes through the overlapped gap formed by the steel wire rope in the screen pipe wire winding layer and the steel wire rope in the screen pipe moving layer to realize filtering.
The outer surface of the screen pipe base pipe is equidistantly provided with 6 screen pipe rib plates, the screen pipe rib plates are distributed along the axial direction of the central pipe, and the outer layer wire winding is uniformly wound on the outer surface of the longitudinal bar to form a wire winding layer.
Each mesh of the screen pipe moving layer is provided with an end part extending out of the screen pipe wire winding layer, the end parts are connected through an annular structure, and the movement of the meshes in the moving layer is realized through the moving annular structure.
The screen pipe moves the layer net piece, and the screen pipe gusset is fixed on the surface of the base pipe of the screen pipe.
The processing steps of the hole-adjustable wire-wrapped sieve tube are as follows:
preparing a base body of a moving layer of a sieve tube, and winding a wire sieve on the moving layer; determining the radius of a moving layer wire winding sieve according to preparation requirements, wherein the moving layer wire winding sieve is welded on a moving layer rib plate through outer stainless steel wire windings to realize molding, 12 moving layer rib plates are arranged, and the cylindrical moving layer wire winding sieve is formed after the stainless steel wire windings are wound on the moving layer rib plate at equal intervals;
step two, preparing a screen pipe moving layer mesh; equally cutting the moving layer wire-wound sieve tube into 6 parts along the direction of the rib plate to form sieve tube moving layer meshes, wherein the edges of two ends of each sieve tube moving layer mesh are provided with moving layer rib plates;
fixing the moving layer of the sieve tube with meshes; embedding each cut screen pipe moving layer net sheet into two adjacent screen pipe rib plates of the screen pipe base pipe; the axial length of the screen pipe moving layer mesh is longer than that of the central pipe, and the screen pipe moving layer mesh is provided with an end part extending out of the central pipe;
step four, processing a screen pipe wire winding layer; placing the net piece wire-wound sieve tube main pipe fixed with the sieve tube moving layer into a wire-winding machine for wire-winding construction, winding and welding a steel wire rope on the outer layer of a sieve tube rib plate, and forming a sieve tube with a wire-wound layer outside by the wire-wound sieve tube main pipe; the distance between the steel wire ropes in the screen pipe wire winding layer is the same as that between the steel wire ropes in the screen pipe moving layer net piece;
and fifthly, connecting and fixing the end parts of the screen pipe moving layer meshes into a whole.
The gaps of the steel wire ropes in the screen pipe wire winding layer and the gaps of the steel wire ropes in the screen pipe moving layer mesh sheet are communicated to form the filtering through holes, the moving layer can move axially along the screen pipe base pipe, when the gaps of the steel wire ropes in the screen pipe moving layer mesh sheet are overlapped with the gaps of the steel wire ropes in the screen pipe wire winding layer, the flow area of the filtering through holes is the largest, the flow area of the filtering through holes is gradually reduced along with the movement of the screen pipe moving layer mesh sheet, when the flow area reaches the minimum, the filtered solid particles are the minimum, and then the flow area is gradually increased along with the movement of the mesh sheet.
According to the invention, the size of the filtering holes is adjusted by adjusting the position of the moving layer mesh, so that the diameter of the solid to be filtered by the wire-wrapped screen pipe is changed, the wire-wrapped screen pipe meets different filtering requirements, and the filtering universality of the wire-wrapped screen pipe is improved.
Drawings
FIG. 1 is a schematic illustration of a cross-section of a prior art wire-wrapped screen section;
FIG. 2 is a schematic view of a wire-wrapped screen according to the present invention;
FIG. 3 is a schematic top view of the wire-wrapped screen of the present invention;
FIG. 4 is a top view of the wire-wrapped screen of the present invention;
figure 5 is a schematic view of a screen moving layer web of the present invention.
The reference numbers are as follows:
the screen pipe comprises a 1-screen pipe base pipe, 2-screen pipe rib plates, 3-through holes, 4-screen pipe moving layers, 5-screen pipe wire winding layers, 6-moving layer wire winding, 7-moving layer rib plates and 8-screen pipe moving layer net pieces.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1, a top half of a prior art wire-wrapped screen is schematically shown in cross-section and consists of a screen base pipe 1 with through holes in the inside, screen ribs 2 and an outer stainless steel wire wrap. The screen pipe base pipe 1 is in the center of the wire-wound screen pipe for a tubular structure, a plurality of through holes 3 penetrating through the wall of the screen pipe are formed in the screen pipe base pipe 1, a plurality of screen pipe rib plates 2 arranged along the axis are arranged on the outer surface of the screen pipe base pipe 1 in a protruding mode, and stainless steel wires are uniformly wound on the surface of the rib plates at equal intervals and are welded and fixed with the rib plates. The filtering object passes through the stainless steel wire gap and the through hole 3 of the sieve plate base tube in sequence to realize filtering. The size of a gap formed by the outer layer of the wire winding is smaller than that of the through hole 3.
As can be seen in fig. 3-4, a screen traveling layer 4 is provided between the screen wrap 5 and the screen basepipe 1 in the present invention. The screen pipe moving layer 4 is composed of a plurality of screen pipe moving layer net pieces 8 with the same structure and screen pipe rib plates 2, the screen pipe moving layer net pieces 8 and the screen pipe rib plates 2 are arranged at intervals, and each screen pipe moving layer net piece 8 is embedded between two longitudinal ribs of the screen pipe rib plates 2.
As can be seen from fig. 5, the screen moving layer mesh sheet 8 is provided with through holes.
The thickness of each screen pipe moving layer mesh 8 is equal to that of the screen pipe rib plate 2, and the upper surface and the lower surface of each mesh of the screen pipe moving layer 4 are respectively attached to the inner surface of the screen pipe wire winding layer 5 and the outer surface of the screen pipe base pipe 1.
Each screen moving layer net piece 8 in the screen moving layer 4 is movably arranged along the axial direction of the screen base pipe 1.
The sieve tube moving layer net piece 8 is composed of a plurality of stainless steel wires which are arranged in parallel, and the gaps of the stainless steel wires form filtering through holes of the sieve tube moving layer net piece 8. The distance between the steel wire ropes on the screen moving layer mesh 8 of each screen is the same as that of the steel wire ropes on the screen wire winding layer 5. The filtering material passes through the overlapped gap formed by the steel wire ropes in the screen wire winding layer 5 and the steel wire ropes in the screen moving layer 4 to realize filtering.
The outer surface of the screen pipe base pipe 1 is provided with 6 screen pipe rib plates 2 at equal intervals, the screen pipe rib plates 2 are distributed along the axial direction of the central pipe, and the outer layer wire winding is uniformly wound on the outer surface of the longitudinal bar to form a wire winding layer.
Each mesh of the screen pipe moving layer 4 is provided with an end part extending out of the screen pipe winding layer, the end parts are connected through an annular structure, and the movement of the meshes in the moving layer is realized through moving the annular structure.
The screen pipe moving layer net piece 8, and the screen pipe rib plate 2 is fixed on the surface of the screen pipe base pipe 1.
The processing steps of the hole-adjustable wire-wrapped sieve tube are as follows:
preparing a base body of a screen pipe moving layer 4, and winding wires 6 on the moving layer; determining the radius of a moving layer winding wire 6 according to preparation requirements, welding the moving layer winding wire 6 on a moving layer rib plate 7 through an outer stainless steel winding wire to realize molding, arranging 12 moving layer rib plates 7, and winding the stainless steel winding wire on the moving layer rib plate 7 at equal intervals to form a cylindrical moving layer winding wire 6;
step two, preparing a screen pipe moving layer mesh sheet 8; equally cutting the moving layer wire winding 6 into 6 parts along the direction of the rib plate to form screen pipe moving layer net pieces 8, wherein the edges of two ends of each screen pipe moving layer net piece 8 are provided with moving layer rib plates 7;
fixing the screen moving layer net piece 8; embedding each cut screen pipe moving layer mesh sheet 8 into two adjacent screen pipe rib plates 2 of a screen pipe base pipe 1; the axial length of the screen pipe moving layer mesh 8 is longer than that of the central pipe, and the screen pipe moving layer mesh 8 is provided with an end part extending out of the central pipe;
step four, processing the screen pipe wire winding layer 5; placing the net piece 8 fixed with the screen pipe moving layer into a wire winding machine for wire winding construction, winding and welding a steel wire rope on the outer layer of the screen pipe rib plate 2, and forming a screen pipe with a wire winding layer outside by the wire winding screen pipe main pipe; the distance between the steel wire ropes in the screen pipe wire winding layer 5 is the same as that between the steel wire ropes in the screen pipe moving layer mesh 8;
and step five, connecting and fixing the end parts of the screen pipe moving layer meshes 8 into a whole.
According to the invention, the gaps of the steel wire ropes in the screen pipe wire winding layer 5 and the gaps of the steel wire ropes in the screen pipe moving layer mesh 8 are communicated to form the filtering through holes, the moving layer can move axially along the screen pipe base pipe 1, when the gaps of the steel wire ropes in the screen pipe moving layer mesh 8 are overlapped with the gaps of the steel wire ropes in the screen pipe wire winding layer 5, the overflowing area of the filtering through holes is the largest, the filtered solid particles are the largest, the overflowing area of the filtering through holes is gradually reduced along with the movement of the screen pipe moving layer mesh 8, when the overflowing area reaches the minimum, the filtered solid particles are the minimum, and then the overflowing area is gradually increased along with the movement of the mesh.
According to the invention, the size of the filtering holes is adjusted by adjusting the position of the moving layer mesh, so that the diameter of the solid to be filtered by the wire-wrapped screen pipe is changed, the wire-wrapped screen pipe meets different filtering requirements, and the filtering universality of the wire-wrapped screen pipe is improved.
Although the present invention has been described with reference to the preferred embodiments, it is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the invention, as defined in the appended claims.
Claims (6)
1. A hole-adjustable wire-wrapped screen pipe comprises a screen pipe base pipe (1), a screen pipe rib plate (2) and a stainless steel wire layer,
the method is characterized in that: the screen pipe moving layer (4) is arranged between the screen pipe wire winding layer (5) and the screen pipe base pipe (1), the screen pipe moving layer (4) is composed of a plurality of screen pipe moving layer net pieces (8) with the same structure and screen pipe rib plates (2), the screen pipe moving layer net pieces (8) and the screen pipe rib plates (2) are arranged at intervals, each screen pipe moving layer net piece (8) is embedded between two longitudinal ribs of the screen pipe rib plates (2), the thickness of each screen pipe moving layer net piece (8) is equal to that of each screen pipe rib plate (2), the upper surface and the lower surface of each net piece of the screen pipe moving layer (4) are respectively attached to the inner surface of the screen pipe wire winding layer (5) and the outer surface of the screen pipe base pipe (1), and each screen pipe moving layer net piece (8) in the screen pipe moving layer (4) can be axially movably arranged along the screen pipe base pipe (1).
2. The adjustable hole wire wrap screen of claim 1, wherein: the sieve tube moving layer mesh (8) is provided with through holes, the sieve tube moving layer mesh (8) is composed of a plurality of stainless steel wires which are arranged in parallel, and the gaps of the stainless steel wires form filtering through holes of the sieve tube moving layer mesh (8).
3. The adjustable hole wire wrap screen of claim 1, wherein: the distance between the steel wire ropes on the screen moving layer mesh (8) is the same as that of the steel wire ropes on the screen wire winding layer (5); the filtering material passes through the overlapped gap formed by the steel wire ropes in the screen pipe wire winding layer (5) and the steel wire ropes in the screen pipe moving layer (4) to realize filtering.
4. The hole adjustable wire wrap screen of claim 3, wherein: the outer surface of the screen pipe base pipe (1) is equidistantly provided with 6 screen pipe rib plates (2), the screen pipe rib plates (2) are axially distributed along the central pipe, and the outer layer of wire winding is uniformly wound on the outer surface of the longitudinal bar to form a wire winding layer.
5. The perforated adjustable wire-wrapped screen of claim 3, wherein: each mesh of the screen pipe moving layer (4) is provided with an end part of an extending pipe wire winding layer, the end parts are connected through an annular structure, and the movement of the meshes in the moving layer is realized through moving the annular structure.
6. The process according to any one of claims 1 to 5, comprising the steps of:
firstly, preparing a base body of a screen pipe moving layer (4), and winding wires (6) on the moving layer; determining the radius of a moving layer winding wire (6) according to preparation requirements, welding the moving layer winding wire (6) on a moving layer rib plate (7) through an outer stainless steel winding wire to realize forming, wherein 12 moving layer rib plates (7) are arranged, and forming a cylindrical moving layer winding wire (6) after the stainless steel winding wire is wound on the moving layer rib plate (7) at equal intervals;
step two, preparing a screen pipe moving layer mesh (8); equally cutting the moving layer wire winding (6) into 6 parts along the direction of the rib plates to form screen pipe moving layer meshes (8), wherein moving layer rib plates (7) are arranged at the edges of two ends of each screen pipe moving layer mesh (8);
fixing a screen pipe moving layer mesh (8); embedding each cut screen pipe moving layer mesh (8) into two adjacent screen pipe rib plates (2) of the screen pipe base pipe (1); the axial length of the screen pipe moving layer mesh (8) is longer than that of the central pipe, and the screen pipe moving layer mesh (8) is provided with an end part extending out of the central pipe;
step four, processing the screen pipe wire winding layer (5); placing the net piece (8) fixed with the screen pipe moving layer into a wire winding machine for wire winding construction, winding and welding a steel wire rope on the outer layer of the screen pipe rib plate (2), and forming a screen pipe with a wire winding layer outside by the wire winding screen pipe main pipe; the distance between the steel wire ropes in the screen pipe wire winding layer (5) is the same as that between the steel wire ropes in the screen pipe moving layer mesh (8);
and step five, connecting and fixing the end parts of the screen pipe moving layer meshes (8) into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211306220.8A CN115370330B (en) | 2022-10-25 | 2022-10-25 | Hole-adjustable wire-wound sieve tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211306220.8A CN115370330B (en) | 2022-10-25 | 2022-10-25 | Hole-adjustable wire-wound sieve tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115370330A true CN115370330A (en) | 2022-11-22 |
| CN115370330B CN115370330B (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211306220.8A Active CN115370330B (en) | 2022-10-25 | 2022-10-25 | Hole-adjustable wire-wound sieve tube |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069551A (en) * | 1991-08-09 | 1993-03-03 | 株式会社永冈 | The well screen that fender bracket is arranged that is used for level or high angle hole |
| US5307984A (en) * | 1991-12-27 | 1994-05-03 | Nagaoka International Corp. | Method of manufacturing a selective isolation screen |
| CN106761592A (en) * | 2017-01-13 | 2017-05-31 | 西南石油大学 | A kind of adjustable compound sand-prevention screen pipe of precision |
| CN209040815U (en) * | 2018-11-21 | 2019-06-28 | 东营博洋石油机械有限公司 | A kind of novel wire-wrapped screen |
| CN209469418U (en) * | 2018-11-16 | 2019-10-08 | 淮安市井神钻采机具有限公司 | A kind of sand control screen |
| CN115012884A (en) * | 2022-06-09 | 2022-09-06 | 中科泰成石油科技(海南)有限公司 | Multi-stage sand-proof screen pipe |
-
2022
- 2022-10-25 CN CN202211306220.8A patent/CN115370330B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069551A (en) * | 1991-08-09 | 1993-03-03 | 株式会社永冈 | The well screen that fender bracket is arranged that is used for level or high angle hole |
| US5307984A (en) * | 1991-12-27 | 1994-05-03 | Nagaoka International Corp. | Method of manufacturing a selective isolation screen |
| CN106761592A (en) * | 2017-01-13 | 2017-05-31 | 西南石油大学 | A kind of adjustable compound sand-prevention screen pipe of precision |
| CN209469418U (en) * | 2018-11-16 | 2019-10-08 | 淮安市井神钻采机具有限公司 | A kind of sand control screen |
| CN209040815U (en) * | 2018-11-21 | 2019-06-28 | 东营博洋石油机械有限公司 | A kind of novel wire-wrapped screen |
| CN115012884A (en) * | 2022-06-09 | 2022-09-06 | 中科泰成石油科技(海南)有限公司 | Multi-stage sand-proof screen pipe |
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| Publication number | Publication date |
|---|---|
| CN115370330B (en) | 2023-01-17 |
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