CN2485420Y - Composite sand-proof screen pipe - Google Patents
Composite sand-proof screen pipe Download PDFInfo
- Publication number
- CN2485420Y CN2485420Y CN 01220383 CN01220383U CN2485420Y CN 2485420 Y CN2485420 Y CN 2485420Y CN 01220383 CN01220383 CN 01220383 CN 01220383 U CN01220383 U CN 01220383U CN 2485420 Y CN2485420 Y CN 2485420Y
- Authority
- CN
- China
- Prior art keywords
- sand
- tube
- screen pipe
- protection tube
- seepage flow
- 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.)
- Expired - Lifetime
Links
- 239000002131 composite material Substances 0.000 title description 2
- 239000004576 sand Substances 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims description 2
- 230000004520 agglutination Effects 0.000 claims 1
- 229920006351 engineering plastic Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000032798 delamination Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Filtering Materials (AREA)
Abstract
The utility model discloses a compound sand control screen pipe, including even cloth have the base tube in seepage flow punchhole, base tube 4 has set gradually inlayer wire mesh 5, filter layer 3, outer wire mesh 6 and protection tube 2 outward, and even cloth has seepage flow punchhole 7 on the protection tube 2. The permeability is high, the corrosion resistance is good, the sand blocking performance is good, the resistance is small when the sieve tube is removed, and the sieve tube is easy to lift out and insert.
Description
The utility model relates to a kind of compound sand-prevention screen pipe, belongs to oil well down-hole sand preventing tool.
In the oil well production process, reservoir sand can flow in the oil jacket annular space along with oil, thereby can cause problems such as holddown, stopping production.At present, the sand control screen that adopts in the mining site thermal production well of oil field all is whole all-metal screen casing, its sand control mechanism is: make parent tube with thick-walled seamless steel pipes, evenly have eyelet thereon, added metal fibrage in the eyelet, by welding metallic fibrous layer is fixed in the parent tube eyelet, has metal sand control screen certain percolation ability and filtering accuracy thereby make.This metal screens is installed on the oil layer section that shakes out, just is blocked in outside the pipe greater than the reservoir sand in metallic fibrous layer hole aperture.But along with the prolongation of the phase of recovering the oil, these reservoir sands can tightly block screen casing, and when the oil well production adjustment need propose in the well screen casing, often because of too tightly can't the proposing of screen casing card, the sidetracking that can only carry out large repairs processing had improved cost of winning.
Main purpose of the present utility model is the shortcoming at above-mentioned prior art, and a kind of compound sand-prevention screen pipe is provided, and it can not only realize the sand control effect in thermal production well, and can easily remove and on carry.
For achieving the above object, the utility model compound sand-prevention screen pipe comprises parent tube, is evenly distributed with the seepage flow eyelet on the parent tube, and parent tube is disposed with inner layer metal silk screen, filtration beds, outer layer metal silk screen and protection tube outward, is evenly distributed with the seepage flow eyelet on the protection tube.
The utility model oil well delamination oil extraction pump adopts the composite sand prevention structure, and sand block is effective, between parent tube and the inner layer metal silk screen slit is arranged, and when removing screen casing, resistance is little, is easy to propose and insert.
The protection tube of the utility model oil well delamination oil extraction pump adopts the hot melt plastics, has both protected filtration beds not to be destroyed, again can very fast decomposition under high temperature action, and reduced when removing screen casing to bore and removed resistance.
The utility model oil well delamination oil extraction pump adopts glued fixed sand or sintered ceramic to do filtration beds, and permeability is big, and is corrosion-resistant, and the sand block performance is good.
Below in conjunction with accompanying drawing compound sand-prevention screen pipe of the present utility model is described further.
Accompanying drawing 1 is the sectional view of the utility model compound sand-prevention screen pipe.
As shown in Figure 1, be evenly distributed with seepage flow eyelet 7 on the parent tube 4 of the utility model compound sand-prevention screen pipe, be disposed with inner layer metal silk screen 5, filtration beds 3, outer layer metal silk screen 6 and protection tube 2 outside the parent tube 4, be evenly distributed with seepage flow eyelet 7 on the protection tube 2.Protection tube 2 adopts tensions, resistance to compression, engineering nylon plastics that intensity is high.Filtration beds filling heatproof, withstand voltage, the fixed sand that oozes good fluidity, or directly adopt earthenware to do permeable formation.Be lined with inner layer metal silk screen 5 between fixed sand and parent tube 4 outer walls, and be lined with outer layer metal silk screen 6 between protection tube 2 inwalls, both strengthened the intensity of filtration beds, play good sand controlling result, be beneficial to again screen casing on carry.There is screw thread at parent tube 4 two ends, so just can make one is connected with each other of screen casing, the filtration beds 3 of every screen casing, inner layer metal silk screen 5 and outer layer metal silk screen 6 parts also interconnect, and the junction is sealed by graphite gasket, have so just formed a compound sand-prevention screen pipe tubing string.After this compound sand-prevention screen pipe tubing string gone into the well, be installed on the down-hole oil layer section that shakes out, protection tube 2 is very fast decomposition under the high-temperature steam effect, and inner layer metal silk screen 5, filtration beds 3, outer layer metal silk screen 6 play the sand control effect simultaneously.When needing to remove screen casing, as long as reduce proposing ground on the parent tube, bore to remove resistance, screen casing is easy to carry.
Claims (4)
1. compound sand-prevention screen pipe; comprise the parent tube that is evenly distributed with the seepage flow eyelet; it is characterized in that: outside described parent tube (4), be disposed with inner layer metal silk screen (5), filtration beds (3), outer layer metal silk screen (6) and protection tube (2), be evenly distributed with seepage flow eyelet (7) on the protection tube (2).
2. compound sand-prevention screen pipe as claimed in claim 1 is characterized in that: described protection tube (2) material is the hot melt engineering plastics.
3. compound sand-prevention screen pipe as claimed in claim 1 or 2 is characterized in that: described filtration beds (3) is an agglutination sand.
4. compound sand-prevention screen pipe as claimed in claim 1 or 2 is characterized in that: described filtration beds (3) is a sintered ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220383 CN2485420Y (en) | 2001-04-29 | 2001-04-29 | Composite sand-proof screen pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01220383 CN2485420Y (en) | 2001-04-29 | 2001-04-29 | Composite sand-proof screen pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2485420Y true CN2485420Y (en) | 2002-04-10 |
Family
ID=33637999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01220383 Expired - Lifetime CN2485420Y (en) | 2001-04-29 | 2001-04-29 | Composite sand-proof screen pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2485420Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839122A (en) * | 2010-01-21 | 2010-09-22 | 中海石油（中国）有限公司天津分公司 | Dynamic oil well sand control screen tube and manufacturing method thereof |
| CN101775973B (en) * | 2009-01-08 | 2013-08-14 | 菲时特科技(天津)有限公司 | High-strength compound sand-prevention screen pipe and manufacture method thereof |
| CN106596312A (en) * | 2016-12-05 | 2017-04-26 | 中国石油天然气股份有限公司 | Method for predicting erosion life of sand control screen pipe in perforation completion gas well |
| CN106639991A (en) * | 2016-11-28 | 2017-05-10 | 中国石油天然气股份有限公司 | Sand control screen pipe and manufacturing method thereof |
-
2001
- 2001-04-29 CN CN 01220383 patent/CN2485420Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775973B (en) * | 2009-01-08 | 2013-08-14 | 菲时特科技(天津)有限公司 | High-strength compound sand-prevention screen pipe and manufacture method thereof |
| CN101839122A (en) * | 2010-01-21 | 2010-09-22 | 中海石油（中国）有限公司天津分公司 | Dynamic oil well sand control screen tube and manufacturing method thereof |
| CN106639991A (en) * | 2016-11-28 | 2017-05-10 | 中国石油天然气股份有限公司 | Sand control screen pipe and manufacturing method thereof |
| CN106596312A (en) * | 2016-12-05 | 2017-04-26 | 中国石油天然气股份有限公司 | Method for predicting erosion life of sand control screen pipe in perforation completion gas well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110429 Granted publication date: 20020410 |