CN202325435U - Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer - Google Patents
Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer Download PDFInfo
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- CN202325435U CN202325435U CN2011203560134U CN201120356013U CN202325435U CN 202325435 U CN202325435 U CN 202325435U CN 2011203560134 U CN2011203560134 U CN 2011203560134U CN 201120356013 U CN201120356013 U CN 201120356013U CN 202325435 U CN202325435 U CN 202325435U
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Abstract
The utility model discloses a composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer for sand prevention during oil field exploitation, which comprises a coupling, a base tube, an upper retaining ring, a connecting ring, an upper joint, a filter net layer, an inner wire-wrapping layer, packing sand, an outer wire-wrapping layer, an outer protective sleeve, a centralizing ring, a sand retaining ring, graphite packing, a dowel, an outer press cap, a lower joint, a centralizing device, an inner press cap, a sealing ring and a welding ring, wherein the coupling is in threaded connection with the base tube; the filter net layer, the inner wire-wrapping layer, the packing sand, the outer wire-wrapping layer and the outer protective sleeve are sequentially arranged on the base tube from inside to outside; overflowing holes are drilled on portions of the base tube which are covered by the filter net layer; and the centralizing device is installed on the base tube. Compared with the prior art, the composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer has the advantages of being high in filter precision, strong in corrosion resistance, long in sand retaining cycle, and capable of meeting requirements for different conditions of wells such as normal temperature wells, thermal production wells and the like.
Description
Technical field
The utility model relates to a kind of oilfield exploitation and uses sand preventing tool, the compound sand control screen of particularly a kind of double-deck wrapping wire filling stainless steel.
Background technology
The existing anti-sandpipe in oil field is basically by simple combination such as parent tube, stainless (steel) wire, screen cloth, outer jointing jacket, end ring; The sand grains that is mixed in the fluid is filtered; Shortcoming such as have that filtering accuracy is low, corrosion-resistant, application life are short; And be not suitable for the thermal recovery sand proof well, therefore press for the anti-sandpipe that a kind of filtering accuracy is high, corrosion resistance is strong, the sand block cycle is long, be applicable to thermal production well.
Summary of the invention
The purpose of the utility model provides the compound sand control screen of a kind of double-deck wrapping wire filling stainless steel, makes it have that filtering accuracy height, corrosion resistance are strong, the sand block cycle is long, can adapt to advantages such as different well ' s conditions demand such as normal temperature well, thermal production well.
The purpose of the utility model is achieved in that and comprises box cupling, parent tube, upper baffle ring, connecting ring, top connection, filtration stratum reticulare, interior wrapping wire layer, back-up sand, outer wrapping wire layer, outer jointing jacket, centering ring, sand stop ring, graphite packing, pin, outer pressure cap, lower contact, centralizer, interior pressure cap, joint ring, welding ring.Box cupling is threaded with parent tube, and parent tube filters stratum reticulare, interior wrapping wire layer, back-up sand, outer wrapping wire layer, outer jointing jacket by interior being followed successively by outward, and parent tube is drilled with flowing hole in the part of filtering the stratum reticulare covering; Filtering stratum reticulare is the stainless (steel) wire combining structure of multilayer different meshes, and the back-up sand between interior wrapping wire layer and the outer wrapping wire layer is the quartz sand or the haydite sand of different-grain diameter, top connection endoporus and the upper end welding of outer wrapping wire layer; Top connection cylindrical step and the welding of outer jointing jacket upper end, outer jointing jacket is a corrosion resistant plate punching one-piece auger welded structure, connecting ring and the welding of interior wrapping wire layer upper end; Upper baffle ring and parent tube welding, welded together on upper baffle ring, connecting ring, the top connection, centering ring and the welding of outer wrapping wire layer lower end; The centering ring inner hole sleeve is on the welding ring cylindrical, and weld welding ring and interior wrapping wire layer lower end, joint ring and welding ring welding; The joint ring endoporus is equipped with the graphite packing and is compressed by interior pressure cap, sand stop ring and centering ring welding, and the sand stop ring endoporus is equipped with the graphite packing and is compressed by outer pressure cap; Sand stop ring, graphite packing, outer pressure cap inner hole sleeve are on the joint ring cylindrical; Outer pressure cap, joint ring, interior pressure cap, parent tube connect through pin, lower contact cylindrical and the welding of outer jointing jacket lower end, lower contact endoporus and parent tube welding; Centralizer is installed on the parent tube; Centralizer can be rigidity centralizer or elastic centralizer, installs or be welded in parent tube upper end or lower end, and the centralizer maximum outside diameter is not less than the outer jointing jacket external diameter.
The utility model compared with prior art has the following advantages: filtering accuracy is high, corrosion resistance is strong, the sand block cycle is long, can adapt to different well ' s conditions demands such as normal temperature well, thermal production well.
Description of drawings
Accompanying drawing is the utility model structure chart.
Among the figure: 1-box cupling, 2-parent tube, 3-upper baffle ring, 4-connecting ring, 5-top connection, 6-filter pressure cap, 19-joint ring, 20-welding ring, 21-flowing hole in wrapping wire layer in stratum reticulare, the 7-, 8-back-up sand, the outer wrapping wire layer of 9-, 10-outer jointing jacket, 11-centering ring, 12-sand stop ring, 13-graphite packing, 14-pin, the outer pressure cap of 15-, 16-lower contact, 17-centralizer, the 18-;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
The utility model comprises box cupling 1, parent tube 2, upper baffle ring 3, connecting ring 4, top connection 5, filters stratum reticulare 6, interior wrapping wire layer 7, back-up sand 8, outer wrapping wire layer 9, outer jointing jacket 10, centering ring 11, sand stop ring 12, graphite packing 13, pin 14, outer pressure cap 15, lower contact 16, centralizer 17, interior pressure cap 18, joint ring 19, welding ring 20, and box cupling 1 is threaded with parent tube 2, and parent tube 2 filters stratum reticulare 6, interior wrapping wire layer 7, back-up sand 8, outer wrapping wire layer 9, outer jointing jacket 10 by interior being followed successively by outward; Parent tube 2 is drilled with flowing hole 21 in the part of filtering stratum reticulare 6 coverings; Filtering stratum reticulare 6 is the stainless (steel) wire combining structure of multilayer different meshes, and the back-up sand 8 between interior wrapping wire layer 7 and the outer wrapping wire layer 9 is the quartz sand or the haydite sand of different-grain diameter, top connection 5 endoporus and the welding of outer wrapping wire layer 9 upper end; Top connection 5 cylindrical steps and the welding of outer jointing jacket 10 upper ends; Outer jointing jacket 10 is a corrosion resistant plate punching one-piece auger welded structure, connecting ring 4 and the welding of interior wrapping wire layer 7 upper end, upper baffle ring 3 and parent tube 2 welding; Upper baffle ring 3, connecting ring 4, top connection 5 upper ends are welded together; Centering ring 11 and the welding of outer wrapping wire layer 9 lower end, centering ring 11 inner hole sleeves are on welding ring 20 cylindricals, and welding ring 20 is welded with interior wrapping wire layer 7 lower end; Joint ring 19 and welding ring 20 welding; Joint ring 19 endoporus are equipped with graphite packing 13 and are compressed by interior pressure cap 18, sand stop ring 12 and centering ring 11 welding, and sand stop ring 12 endoporus are equipped with graphite packing 13 and are compressed by outer pressure cap 15; Sand stop ring 12, graphite packing 13, outer pressure cap 15 inner hole sleeves are on joint ring 19 cylindricals; Outer pressure cap 15, joint ring 19, interior pressure cap 18, parent tube 2 connect through pin 14, lower contact 16 cylindricals and the welding of outer jointing jacket 10 lower ends, and lower contact 16 endoporus and parent tube 2 weld; Centralizer 17 is installed on the parent tube 2; Centralizer 17 can be rigidity centralizer or elastic centralizer, installs or be welded in parent tube upper end or lower end, and centralizer 17 maximum outside diameters are not less than outer jointing jacket 10 external diameters.
When the oil gas well mining operation; The utility model is connected in the sand control pipe by designing requirement; Down to design attitude, after outer jointing jacket, outer wrapping wire layer, back-up sand, interior wrapping wire layer, filtration stratum reticulare filtered, reservoir sand was blocked in the filtration beds outside successively for extraction liquid in the oil reservoir and reservoir sand; The flowing hole of extraction liquid on parent tube flows out, and the reservoir sand of accomplishing in the extraction liquid filters.
The above-mentioned instance of the utility model; Only be for clearly demonstrate that the utility model does for example; And be not the restriction to the utility model embodiment; To those of ordinary skill in the art, on the basis of above-mentioned explanation, obviously can make other multi-form variation or change, and these simple variations or change are in still within the protection domain of the utility model.
Claims (7)
1. compound sand control screen of double-deck wrapping wire filling stainless steel; Comprise box cupling (1), parent tube (2), upper baffle ring (3), connecting ring (4), top connection (5), filter stratum reticulare (6), interior wrapping wire layer (7), back-up sand (8), outer wrapping wire layer (9), outer jointing jacket (10), centering ring (11), sand stop ring (12), graphite packing (13), pin (14), outer pressure cap (15), lower contact (16), centralizer (17), interior pressure cap (18), joint ring (19), welding ring (20); It is characterized in that: box cupling (1) is threaded with parent tube (2); Parent tube (2) filters stratum reticulare (6), interior wrapping wire layer (7), back-up sand (8), outer wrapping wire layer (9), outer jointing jacket (10) by interior being followed successively by outward; Parent tube (2) is drilled with flowing hole (21) in the part of filtering stratum reticulare (6) covering, top connection (5) endoporus and the welding of outer wrapping wire layer (9) upper end, and weld top connection (5) cylindrical step and outer jointing jacket (10) upper end; Connecting ring (4) and the welding of interior wrapping wire layer (7) upper end; Upper baffle ring (3) and parent tube (2) welding, welded together on upper baffle ring (3), connecting ring (4), the top connection (5), centering ring (11) and the welding of outer wrapping wire layer (9) lower end; Centering ring (11) inner hole sleeve is on welding ring (20) cylindrical; Welding ring (20) and the welding of interior wrapping wire layer (7) lower end, joint ring (19) and welding ring (20) welding, joint ring (19) endoporus is equipped with graphite packing (13) and is compressed by interior pressure cap (18); Sand stop ring (12) and centering ring (11) welding; Sand stop ring (12) endoporus is equipped with graphite packing (13) and is compressed by outer pressure cap (15), and sand stop ring (12), graphite packing (13), outer pressure cap (15) inner hole sleeve are on joint ring (19) cylindrical, and weld lower contact (16) cylindrical and outer jointing jacket (10) lower end; Lower contact (16) endoporus and parent tube (2) welding, centralizer (17) is installed on the parent tube.
2. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1 is characterized in that: filter stratum reticulare (6) and be the stainless (steel) wire combining structure of multilayer different meshes.
3. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1, it is characterized in that: the back-up sand (8) between interior wrapping wire layer (7) and the outer wrapping wire layer (9) is the quartz sand of different-grain diameter or haydite sand.
4. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1, it is characterized in that: outer jointing jacket (10) is a corrosion resistant plate punching one-piece auger welded structure.
5. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1 is characterized in that: outer pressure cap (15), joint ring (19), interior pressure cap (18), parent tube (2) connect through pin (14).
6. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1, it is characterized in that: centralizer (17) can be rigidity centralizer or elastic centralizer, installs or be welded in parent tube upper end or lower end.
7. the compound sand control screen of double-deck wrapping wire filling stainless steel according to claim 1, it is characterized in that: centralizer (17) maximum outside diameter is not less than outer jointing jacket (10) external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203560134U CN202325435U (en) | 2011-08-23 | 2011-08-23 | Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203560134U CN202325435U (en) | 2011-08-23 | 2011-08-23 | Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325435U true CN202325435U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203560134U Expired - Fee Related CN202325435U (en) | 2011-08-23 | 2011-08-23 | Composite sand prevention screen with two wire-wrapping layers, packing sand and a stainless steel filter net layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325435U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541695A (en) * | 2013-10-24 | 2014-01-29 | 西安陆海油田设备有限公司 | Dynamic self-cleaning screen pipe |
| CN103573227A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Sand filtering pipe |
| CN106194148A (en) * | 2016-08-30 | 2016-12-07 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on wind and rain playground |
| CN106223907A (en) * | 2016-08-30 | 2016-12-14 | 湖南中大经纬地热开发科技有限公司 | Filter for thermal source well |
| CN106246142A (en) * | 2016-08-30 | 2016-12-21 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on complicated ground stratum |
| CN106321023A (en) * | 2016-08-30 | 2017-01-11 | 湖南中大经纬地热开发科技有限公司 | Geothermal well based on quaternary alluvium-diluvium layer |
| CN107143314A (en) * | 2016-03-01 | 2017-09-08 | 中国石油化工股份有限公司 | A kind of high angle hole sleeve pipe is prefilled with sand screen and anti-sand method |
| 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 |
| CN109954817A (en) * | 2019-04-28 | 2019-07-02 | 朔创(厦门)科技有限公司 | A kind of wire-wrapped screen forming method and screen casing wrapping wire molding machine |
| CN111101905A (en) * | 2019-10-30 | 2020-05-05 | 青海中煤地质工程有限责任公司 | Brine well mining and well completion process for pore type brine seam of salt lake mining area |
| CN115680604A (en) * | 2023-01-03 | 2023-02-03 | 胜利油田胜机石油装备有限公司 | Sand removing manifold system for oil well |
-
2011
- 2011-08-23 CN CN2011203560134U patent/CN202325435U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541695B (en) * | 2013-10-24 | 2016-04-20 | 西安陆海油田设备有限公司 | A kind of dynamically self-cleaning screen casing |
| CN103541695A (en) * | 2013-10-24 | 2014-01-29 | 西安陆海油田设备有限公司 | Dynamic self-cleaning screen pipe |
| CN103573227A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Sand filtering pipe |
| CN107143314A (en) * | 2016-03-01 | 2017-09-08 | 中国石油化工股份有限公司 | A kind of high angle hole sleeve pipe is prefilled with sand screen and anti-sand method |
| CN106194148B (en) * | 2016-08-30 | 2018-08-17 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on wind and rain playground |
| CN106246142A (en) * | 2016-08-30 | 2016-12-21 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on complicated ground stratum |
| CN106321023A (en) * | 2016-08-30 | 2017-01-11 | 湖南中大经纬地热开发科技有限公司 | Geothermal well based on quaternary alluvium-diluvium layer |
| CN106223907A (en) * | 2016-08-30 | 2016-12-14 | 湖南中大经纬地热开发科技有限公司 | Filter for thermal source well |
| CN106194148A (en) * | 2016-08-30 | 2016-12-07 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on wind and rain playground |
| CN106223907B (en) * | 2016-08-30 | 2018-10-12 | 湖南中大经纬地热开发科技有限公司 | Filter for heat source well |
| CN106246142B (en) * | 2016-08-30 | 2018-10-12 | 湖南中大经纬地热开发科技有限公司 | A kind of geothermal well based on complicated ground stratum |
| CN106321023B (en) * | 2016-08-30 | 2018-12-07 | 湖南中大经纬地热开发科技有限公司 | The geothermal well of diluvial formation is rushed based on the 4th system |
| 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 |
| CN109954817A (en) * | 2019-04-28 | 2019-07-02 | 朔创(厦门)科技有限公司 | A kind of wire-wrapped screen forming method and screen casing wrapping wire molding machine |
| CN109954817B (en) * | 2019-04-28 | 2023-08-25 | 朔创(厦门)科技有限公司 | Wire-wrapped screen pipe forming method and screen pipe wire-wrapped forming device |
| CN111101905A (en) * | 2019-10-30 | 2020-05-05 | 青海中煤地质工程有限责任公司 | Brine well mining and well completion process for pore type brine seam of salt lake mining area |
| CN115680604A (en) * | 2023-01-03 | 2023-02-03 | 胜利油田胜机石油装备有限公司 | Sand removing manifold system for oil well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171106 Address after: 257000 Feicheng Road, Dongying District, Shandong, No. 33, No. Patentee after: Dongying Jing Chi new energy technology limited liability company Address before: 257081 Feicheng Road, Shengli Industrial Park, Dongying, Shandong, No. 33, No. Patentee before: DONGYING DONGYING DISTRICT HEGUANG TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20180823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |