CN105863580B - A kind of prefabrication type sand screen for having skeleton - Google Patents
A kind of prefabrication type sand screen for having skeleton Download PDFInfo
- Publication number
- CN105863580B CN105863580B CN201610477137.5A CN201610477137A CN105863580B CN 105863580 B CN105863580 B CN 105863580B CN 201610477137 A CN201610477137 A CN 201610477137A CN 105863580 B CN105863580 B CN 105863580B
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- CN
- China
- Prior art keywords
- wire
- wrapped screen
- ring
- screen
- interior
- 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.)
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- 239000004576 sand Substances 0.000 title claims abstract description 54
- 238000009417 prefabrication Methods 0.000 title claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000007787 solid 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
- E21B43/086—Screens with preformed openings, e.g. slotted liners
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Combined Means For Separation Of Solids (AREA)
- Revetment (AREA)
Abstract
A kind of prefabrication type sand screen for having skeleton,On,Wire-wrapped screen suit ring is fixed on the both ends of interior wire-wrapped screen in lower,On,Lower outer wire-wrapped screen suit ring is fixed on the both ends of outer wire-wrapped screen,On,Lower isolating ring is placed between two wire-wrapped screens suit ring and integrally welded,Upper isolating ring,Upper outer wire-wrapped screen suit ring,Wire-wrapped screen suit ring in upper,Interior wire-wrapped screen,Outer wire-wrapped screen,Lower outer wire-wrapped screen suit ring,Lower isolating ring,Wire-wrapped screen suit ring is put into filling mould after being assembled integrally in lower,The casting resin sand into mould,Wire-wrapped screen within formation,Outer wire-wrapped screen is the sand screen of skeleton,By base tube penetrate in interior wire-wrapped screen and with,On,The boxing of wire-wrapped screen suit is connected together in lower,The intensity of sand screen is added in the case where not influenceing patency,Sand screen is not easily damaged and scattered,Service life and voltage endurance capability can be improved,Greatly increase the term of validity of sand proof well,With significant economic benefit.
Description
Technical field
The present invention is the instrument of oil field wellbore sand, is a kind of prefabrication type sand screen for having skeleton.
Background technology
The gear that a kind of sand screen of existing oil field wellbore sand is consolidated by base tube and the resin sand being sleeved on outside base tube
Sandpipe forms, and its sand controlling result is fine, but the limited strength of resin sand consolidation, easy when during going into the well with wall collisions
Rupture, makes its sand control measure unsuccessful, it is necessary to take some special measures, such as will first be scraped in its intact lower going-into-well well,
Drifting, well-flushing, make pit shaft unblocked, these processes can increase activity duration and operating cost.Also to delay when going into the well in addition
Slow tripping in, Bu get Dun bore and brought to a halt, although this requirement is simply to require, be difficult to realize in operation field, because making
Industry worker meets the action that anxious emergency just has Dun and bores and bring to a halt in operation, so the gear of current resin sand consolidation
Sandpipe success rate of going into the well is low.Due to produce very big throttling, resin sand consolidation when well liquid flows through the sand retention pipe of resin sand consolidation
Sand retention pipe inside and outside formation pressure differential, and because resin sand consolidation sand retention pipe consolidation strength it is limited, in the work of big pressure difference
With lower easily damaged, so, the service life of this sand screen is short, and the sand control life of oil well is short.
The content of the invention
It is an object of the invention to provide a kind of prefabrication type sand screen for having skeleton, above-mentioned problem is overcome, increase is held
Pressure energy power, prevent from being damaged during going into the well and during use, increase the term of validity of sand proof well, improve the economy of sand well
Benefit.
The object of the present invention is achieved like this：Including base tube, upper isolating ring, upper outer wire-wrapped screen suit ring, upper interior wrapping wire
Screen casing suit ring, interior wire-wrapped screen, outer wire-wrapped screen, lower outer wire-wrapped screen suit ring, lower isolating ring, lower interior wire-wrapped screen suit
Ring, there is sieve aperture on base tube, interior wire-wrapped screen, outer wire-wrapped screen wrapping wire between have gap, upper interior wire-wrapped screen suit ring is fixed
In the upper end of interior wire-wrapped screen, lower interior wire-wrapped screen suit ring is fixed on the lower end of interior wire-wrapped screen, upper outer wire-wrapped screen suit
Ring is fixed on the upper end of outer wire-wrapped screen, and lower outer wire-wrapped screen suit ring is fixed on the lower end of outer wire-wrapped screen, upper outer around bolting silk
Pipe sleeve dress ring, the external diameter of lower outer wire-wrapped screen suit ring is identical and is more than the external diameter 2-6mm of outer wire-wrapped screen, and upper isolating ring is placed on
Between upper outer wire-wrapped screen suit ring and upper interior wire-wrapped screen suit ring, lower isolating ring is placed on lower outer wire-wrapped screen suit ring with
Between interior wire-wrapped screen suit ring, the outer end of upper isolating ring is set with the upper of ring with upper outer wire-wrapped screen suit ring, upper interior wire-wrapped screen
Portion is integrally welded, the outer end of lower isolating ring and lower outer wire-wrapped screen suit ring, lower interior wire-wrapped screen suit ring lower weld into
One, it is upper isolating ring, upper outer wire-wrapped screen suit ring, upper interior wire-wrapped screen suit ring, interior wire-wrapped screen, outer wire-wrapped screen, lower outer
Wire-wrapped screen suit ring, lower isolating ring, lower interior wire-wrapped screen suit ring are put into filling mould after being assembled integrally, filling mould point
For internal model and external mold, the internal diameter of external mold is equal with the external diameter of upper outer wire-wrapped screen suit ring, lower outer wire-wrapped screen suit ring, internal model
External diameter it is equal with the internal diameter of interior wire-wrapped screen, the casting resin sand into mould, the resin sand of filling is filled up the inwall of external mold
Consolidated behind space between the outer wall of internal model, wire-wrapped screen, the sand screen that outer wire-wrapped screen is skeleton within formation, by base tube
Penetrate in interior wire-wrapped screen, make sieve aperture on base tube be in upper interior wire-wrapped screen suit ring and lower interior wire-wrapped screen suit ring it
Between, the gap for the resin sand that sand-laden fluid stream can only be filled enters in base tube, upper interior wire-wrapped screen suit ring, lower interior wire-wrapped screen
Suit ring welds together with base tube.
The beneficial effects of the invention are as follows：Wire-wrapped screen, outer wire-wrapped screen are bone within the centre for the sand screen being prefabricated into has
Frame, the intensity of sand screen is added in the case where not influenceing patency, sand screen is not easily damaged and scattered, and can improve makes
With life-span and voltage endurance capability, the term of validity of sand proof well is greatly increased, there is significant economic benefit.
Brief description of the drawings
Fig. 1 is the topology view of the embodiment of the present invention.
Embodiment
Embodiments of the invention are illustrated with reference to Fig. 1.
Can be known by Fig. 1, embodiments of the invention include base tube 1, upper isolating ring 2, upper outer wire-wrapped screen suit ring 3, it is upper in
Wire-wrapped screen suit ring 4, interior wire-wrapped screen 5, outer wire-wrapped screen 6, lower outer wire-wrapped screen suit ring 7, lower isolating ring 8, lower interior wrapping wire
Screen casing is set with ring 9, there is sieve aperture on base tube 1, interior wire-wrapped screen 5, outer wire-wrapped screen 6 wrapping wire between have a gap, it is upper in around bolting silk
Pipe sleeve dress ring 4 is fixed on the upper end of interior wire-wrapped screen 5, and lower interior wire-wrapped screen suit ring 9 is fixed on the lower end of interior wire-wrapped screen 5,
Upper outer wire-wrapped screen suit ring 3 is fixed on the upper end of outer wire-wrapped screen 6, and lower outer wire-wrapped screen suit ring 7 is fixed on outer around bolting silk
The lower end of pipe 6, upper outer wire-wrapped screen suit ring 3, the external diameter of lower outer wire-wrapped screen suit ring 7 is identical and is more than outer wire-wrapped screen 6
External diameter 2-6mm, its is formed the thick resin sand sand block layers of 2-6mm in the outside of outer wire-wrapped screen 6, upper isolating ring 2 is placed
Between upper outer wire-wrapped screen suit ring 3 and upper interior wire-wrapped screen suit ring 4, lower isolating ring 8 is placed on lower outer wire-wrapped screen suit
Between ring 7 and lower interior wire-wrapped screen suit ring 9, the outer end of upper isolating ring 2 and upper outer wire-wrapped screen suit ring 3, upper interior wire-wrapped screen
It is integral to be set with the upper weld of ring 4, the outer end of lower isolating ring 8 and lower outer wire-wrapped screen suit ring 7, lower interior wire-wrapped screen suit ring
9 lower weld is integral, and the effect of upper isolating ring 2, lower isolating ring 8 is to make to form 5- between interior wire-wrapped screen 5 and outer wire-wrapped screen 6
30mm toroidal cavity, to consolidate out the thick sand stop rings of 5-30mm, upper isolating ring 2, upper outer wire-wrapped screen suit ring 3, it is upper in around
Silk sieve tube suit ring 4, interior wire-wrapped screen 5, outer wire-wrapped screen 6, lower outer wire-wrapped screen suit ring 7, lower isolating ring 8, it is lower in around bolting silk
Pipe sleeve dress ring 9 is put into filling mould after being assembled integrally, and filling mould is divided into internal model and external mold, the internal diameter of external mold with it is upper it is outer around
Silk sieve tube suit ring 3, the external diameter of lower outer wire-wrapped screen suit ring 7 are equal, the internal diameter phase of the external diameter of internal model and interior wire-wrapped screen 5
Deng, the casting resin sand into mould, make filling resin sand fill up it is solid behind the space between the inwall of external mold and the outer wall of internal model
Knot, wire-wrapped screen 5, the sand screen that outer wire-wrapped screen 6 is skeleton, base tube 1 is penetrated in interior wire-wrapped screen 5, makes base within formation
Sieve aperture on pipe 1 is between upper interior wire-wrapped screen suit ring 4 and lower interior wire-wrapped screen suit ring 9, and sand-laden fluid stream can only be through filling
The gap for the resin sand filled out enters in base tube 1, and upper interior wire-wrapped screen suit ring 4, lower interior wire-wrapped screen suit ring 9 weld with base tube 1
It is connected together.
With in flow string tripping in pit shaft during use, the bottom connection plug of base tube 1, sand-laden fluid stream can only be from resin sand
Gap enters in base tube 1, and sand-laden fluid stream sand grains at the gap of resin sand is blocked, and sand grains will not be pumped down in pump, played anti-
The effect of sand.
Gap between the wrapping wire of outer wire-wrapped screen 6 is more than the gap of interior wire-wrapped screen 5, can improve sand block effect.
The function of sand block is being carried on a shoulder pole by resin sand, therefore, outer wire-wrapped screen 6, interior wire-wrapped screen 5 wire spacing than commonly around
The gap of fiber tube is big.
Claims (1)
1. a kind of prefabrication type sand screen for having skeleton, including base tube（1）, upper isolating ring（2）, upper outer wire-wrapped screen suit ring（3）, on
Interior wire-wrapped screen is set with ring（4）, interior wire-wrapped screen（5）, outer wire-wrapped screen（6）, lower outer wire-wrapped screen suit ring（7）, lower isolating ring
（8）, lower interior wire-wrapped screen suit ring（9）, base tube（1）On have sieve aperture, interior wire-wrapped screen（5）, outer wire-wrapped screen（6）Wrapping wire it
Between have gap, it is characterized in that：Wire-wrapped screen suit ring in upper（4）It is fixed on interior wire-wrapped screen（5）Upper end, lower interior wire-wrapped screen
It is set with ring（9）It is fixed on interior wire-wrapped screen（5）Lower end, upper outer wire-wrapped screen suit ring（3）It is fixed on outer wire-wrapped screen（6）'s
Upper end, lower outer wire-wrapped screen suit ring（7）It is fixed on outer wire-wrapped screen（6）Lower end, upper outer wire-wrapped screen suit ring（3）, under
Outer wire-wrapped screen is set with ring（7）External diameter it is identical and be more than outer wire-wrapped screen（6）External diameter 2-6mm, upper isolating ring（2）It is placed on
Outer wire-wrapped screen is set with ring（3）With upper interior wire-wrapped screen suit ring（4）Between, lower isolating ring（8）It is placed on lower outer wire-wrapped screen set
Fill ring（7）With lower interior wire-wrapped screen suit ring（9）Between, upper isolating ring（2）Outer end and upper outer wire-wrapped screen suit ring（3）, on
Interior wire-wrapped screen is set with ring（4）Upper weld it is integral, lower isolating ring（8）Outer end and lower outer wire-wrapped screen suit ring（7）, under
Interior wire-wrapped screen is set with ring（9）Lower weld it is integral, upper isolating ring（2）, upper outer wire-wrapped screen suit ring（3）, upper interior wrapping wire
Screen casing is set with ring（4）, interior wire-wrapped screen（5）, outer wire-wrapped screen（6）, lower outer wire-wrapped screen suit ring（7）, lower isolating ring（8）, under
Interior wire-wrapped screen is set with ring（9）Be put into after being assembled integrally in filling mould, filling mould is divided into internal model and external mold, external mold it is interior
Footpath and upper outer wire-wrapped screen suit ring（3）, lower outer wire-wrapped screen suit ring（7）External diameter it is equal, the external diameter of internal model and interior wrapping wire
Screen casing（5）Internal diameter it is equal, the casting resin sand into mould, the resin sand of filling is filled up the inwall of external mold and the outer wall of internal model
Between space after consolidate, wire-wrapped screen within formation（5）, outer wire-wrapped screen（6）For the sand screen of skeleton, by base tube（1）Wear
Enter interior wire-wrapped screen（5）It is interior, make base tube（1）On sieve aperture be in upper interior wire-wrapped screen suit ring（4）With lower interior wire-wrapped screen set
Fill ring（9）Between, the gap for the resin sand that sand-laden fluid stream can only be filled enters base tube（1）It is interior, upper interior wire-wrapped screen suit ring
（4）, lower interior wire-wrapped screen suit ring（9）With base tube（1）Weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477137.5A CN105863580B (en) | 2016-06-27 | 2016-06-27 | A kind of prefabrication type sand screen for having skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477137.5A CN105863580B (en) | 2016-06-27 | 2016-06-27 | A kind of prefabrication type sand screen for having skeleton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863580A CN105863580A (en) | 2016-08-17 |
| CN105863580B true CN105863580B (en) | 2018-04-10 |
Family
ID=56655365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610477137.5A Active CN105863580B (en) | 2016-06-27 | 2016-06-27 | A kind of prefabrication type sand screen for having skeleton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863580B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171484A (en) * | 1997-05-23 | 1998-01-28 | 冶金工业部钢铁研究总院 | Sand filter of metallic fibres |
| CN2632314Y (en) * | 2003-07-01 | 2004-08-11 | 中国石油天然气股份有限公司 | Ladder kerf sieve tube |
| CN201363128Y (en) * | 2009-01-08 | 2009-12-16 | 菲时特科技(天津)有限公司 | High intensity compound sand control screen |
| CN201588606U (en) * | 2009-12-01 | 2010-09-22 | 中国石油集团长城钻探工程有限公司 | Sand control screen pipe |
| CN202152672U (en) * | 2011-07-06 | 2012-02-29 | 东营明德石油科技有限公司 | Fine filtering slotted screen pipe |
| CN205677589U (en) * | 2016-06-27 | 2016-11-09 | 东营市三和石油装备有限公司 | A kind of prefabrication type sand screen having skeleton |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7249631B2 (en) * | 2004-11-10 | 2007-07-31 | Weatherford/Lamb, Inc. | Slip on screen with expanded base pipe |
-
2016
- 2016-06-27 CN CN201610477137.5A patent/CN105863580B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171484A (en) * | 1997-05-23 | 1998-01-28 | 冶金工业部钢铁研究总院 | Sand filter of metallic fibres |
| CN2632314Y (en) * | 2003-07-01 | 2004-08-11 | 中国石油天然气股份有限公司 | Ladder kerf sieve tube |
| CN201363128Y (en) * | 2009-01-08 | 2009-12-16 | 菲时特科技(天津)有限公司 | High intensity compound sand control screen |
| CN201588606U (en) * | 2009-12-01 | 2010-09-22 | 中国石油集团长城钻探工程有限公司 | Sand control screen pipe |
| CN202152672U (en) * | 2011-07-06 | 2012-02-29 | 东营明德石油科技有限公司 | Fine filtering slotted screen pipe |
| CN205677589U (en) * | 2016-06-27 | 2016-11-09 | 东营市三和石油装备有限公司 | A kind of prefabrication type sand screen having skeleton |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863580A (en) | 2016-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Shujie Inventor after: Kang Haoran Inventor after: Guo Wenfeng Inventor after: Zhang Yang Inventor after: Geng Dongna Inventor after: Shi Feng Inventor after: Huo Hong Inventor after: Ding Mingmei Inventor before: Wang Shujie Inventor before: Kang Haoran Inventor before: Guo Wenfeng Inventor before: Zhang Yang |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |