CN104847300A - Novel composite compression packer rubber cylinder - Google Patents
Novel composite compression packer rubber cylinder Download PDFInfo
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- CN104847300A CN104847300A CN201410055210.0A CN201410055210A CN104847300A CN 104847300 A CN104847300 A CN 104847300A CN 201410055210 A CN201410055210 A CN 201410055210A CN 104847300 A CN104847300 A CN 104847300A
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- shoulder
- rubber cylinder
- packing element
- element body
- cylinder body
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Abstract
The invention relates to a novel composite compression packer rubber cylinder solving technical problems of easy fracture and short service life as well as difficult packer packaging of a present expanding packer rubber cylinder upon high temperature and high pressure. The novel composite compression packer rubber cylinder comprises a tubular rubber cylinder body, a left protection shoulder and a right protection shoulder, wherein an assembling part is arranged in the middle of the tubular rubber cylinder body; two ends of the tubular rubber cylinders are respectively provided with a shoulder; the left protection shoulder is connected with the shoulder on one end of the tubular rubber cylinder body via a multi-layered spring; the right protection shoulder is connected with the shoulder on the other end of the tubular rubber cylinder body via a multi-layered spring; a groove is formed on the periphery of the assembling part; grooves are formed in the peripheries of the shoulders on two ends of the tubular rubber cylinder body; and the tubular rubber cylinder body, the left and right protection shoulders are all made from rubber. The novel composite compression packer rubber cylinder is widely applied to constructions of acidification, fracture and water injection in the oil and gas field industry.
Description
Technical field
The present invention relates to a kind of packing element, especially relate to a kind of NEW TYPE OF COMPOSITE compression type packer tubling.
Background technology
In oil-gas mining technical field, when conventional packing element bears higher differential pressure in hot environment, packing element shoulder is easily squeezed into annular space and causes and tear under differential pressure action, makes packing element seal failure, thus causes that the resistance to pressure reduction of packer is low, application life is short.
As shown in Fig. 1 and Fig. 2 in Figure of description, although have at packing element two ends sulfuration plastics or metal inserted piece to improve the way of packing element shoulder intensity at present, because mold insert itself does not possess resilience, therefore cause the difficulty of removing seal for packer.
Summary of the invention
In order to solve, existing packing element easily breaks at high temperature under high pressure, the life-span is short in the present invention, make the technical problem of removing seal for packer difficulty, provides one to be not easy at high temperature under high pressure to break, the life-span is long, deblocking is easy to NEW TYPE OF COMPOSITE compression type packer tubling.
The invention provides a kind of NEW TYPE OF COMPOSITE compression type packer tubling, comprise tubulose packing element body, left shoulder protector and right shoulder protector; The middle part of tubulose packing element body is provided with department of assembly, and two ends are provided with shoulder; The internal diameter of department of assembly is less than the internal diameter of tubulose packing element body two ends shoulder; Left shoulder protector is connected with the shoulder of tubulose packing element body one end by multilayer spring, and right shoulder protector is connected with the shoulder of the tubulose packing element body other end by multilayer spring; The cylindrical of department of assembly is provided with groove, and the cylindrical of the shoulder at tubulose packing element body two ends is provided with groove; The material of tubulose packing element body, left shoulder protector and right shoulder protector is rubber.
Preferably, tubulose packing element body, left shoulder protector, right shoulder protector and multilayer spring are shaping by sulfuration process.
The invention has the beneficial effects as follows, there is very high pressure-bearing and non-deformability, improve packer resistance to pressure reduction ability at relatively high temperatures, avoid the phenomenon that the packer sealing caused due to packing element shoulder pressure break lost efficacy to occur, setting, deblocking can be realized repeatedly, longer service life.
Further aspect of the present invention, by the description of following detailed description of the invention, is clearly recorded.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing packing element;
Fig. 2 is the structural representation of existing packing element;
Fig. 3 is structural representation of the present invention;
Fig. 4 is the assembling schematic diagram of the present invention when using.
Symbol description in figure:
1. left shoulder protector, 2. tubulose packing element body, 3. right shoulder protector, 4. left multilayer spring, 5. right multilayer spring, 6. central tube, 7. packer upper press ring, 8. pressure ring under packer, 9. sleeve pipe, 10. department of assembly, 11. grooves, 12. packing element bodies, 13. rubber shoulders, 14. packing element bodies, 15. metal shoulder protectors.
Detailed description of the invention
As shown in Figure 3, the present invention includes tubulose packing element body 2, the middle part of tubulose packing element body 2 is department of assembly 10, and two ends are shoulder.The internal diameter of department of assembly 10 is less than the internal diameter of tubulose packing element body 2 two ends shoulder.
Left shoulder protector 1 is connected with the shoulder of tubulose packing element body 2 one end by multilayer spring 4, and right shoulder protector 3 is connected with the shoulder of tubulose packing element body 2 other end by multilayer spring 5.
The cylindrical of department of assembly 10 is provided with groove 11, and the cylindrical of the shoulder at tubulose packing element body 2 two ends is provided with groove 11.
The material of tubulose packing element body 2, left shoulder protector 1 and right shoulder protector 3 is rubber.
Tubulose packing element body 2, left shoulder protector 1, right shoulder protector 3, multilayer spring 4 and multilayer spring 5 is shaping by sulfuration process.
As shown in Figure 4, the department of assembly 10 of tubulose packing element body 2 is enclosed within central tube 6, and under packer upper press ring 7, packer, pressure ring 8 is connected with left shoulder protector 1, right shoulder protector 3 respectively.
When tubulose packing element body 2 bears higher differential pressure in hot environment, first the shoulder at tubulose packing element body 2 two ends is out of shape the gap blocked between packer and sleeve pipe 9, and stop the pressure break of tubulose packing element body 2 damaged, primary seal effect plays in department of assembly 10.Due to the existence of groove 11, make tubulose packing element body 2 have higher non-deformability, setting, deblocking can be realized repeatedly.Therefore not easily tear phenomenon, be applicable to the construction operation of the acidifying of oil gas field industry, pressure break, water filling, open hole well etc.During deblocking, left shoulder protector 1, right shoulder protector 3 bounce back under the effect of resilience of vulcanizate and multilayer spring 4, multilayer spring 5, make tubulose packing element body 2 oneself can bounce back to basic size after pressure release, thus complete deblocking work.
Therefore, the present invention has can expand under interior pressure effect, shut-in well, and expansion amplitude is comparatively large, has higher pressure-bearing and non-deformability, can realize repeatedly setting, deblocking, longer service life.
The above, only to the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Every in claim limited range of the present invention, any amendment made, equivalent replacement, improvement etc., all should within protection scope of the present invention.
Claims (2)
1. a NEW TYPE OF COMPOSITE compression type packer tubling, is characterized in that, comprises tubulose packing element body, left shoulder protector and right shoulder protector; The middle part of described tubulose packing element body is provided with department of assembly, and two ends are provided with shoulder; The internal diameter of described department of assembly is less than the internal diameter of described tubulose packing element body two ends shoulder; Described left shoulder protector is connected with the shoulder of described tubulose packing element body one end by multilayer spring, and described right shoulder protector is connected with the shoulder of the described tubulose packing element body other end by multilayer spring; The cylindrical of described department of assembly is provided with groove, and the cylindrical of the shoulder at described tubulose packing element body two ends is provided with groove; The material of described tubulose packing element body, described left shoulder protector and described right shoulder protector is rubber.
2. NEW TYPE OF COMPOSITE compression type packer tubling according to claim 1, is characterized in that, described tubulose packing element body, described left shoulder protector, described right shoulder protector and described multilayer spring are shaping by sulfuration process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055210.0A CN104847300A (en) | 2014-02-15 | 2014-02-15 | Novel composite compression packer rubber cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055210.0A CN104847300A (en) | 2014-02-15 | 2014-02-15 | Novel composite compression packer rubber cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847300A true CN104847300A (en) | 2015-08-19 |
Family
ID=53847227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055210.0A Pending CN104847300A (en) | 2014-02-15 | 2014-02-15 | Novel composite compression packer rubber cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847300A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2362174B (en) * | 1998-12-10 | 2003-03-12 | Reslink As | Tool device for the setting of a well packer |
| CN2584813Y (en) * | 2002-11-07 | 2003-11-05 | 王锡来 | High-pressure resistance packer with long-service life |
| CA2482137A1 (en) * | 2003-10-03 | 2005-04-03 | Schlumberger Canada Limited | Well packer having an energized sealing element and associated method |
| CN101338656A (en) * | 2008-08-11 | 2009-01-07 | 张星荣 | High temperature and high pressure resistant compression packer rubber cartridge |
| CN202441321U (en) * | 2012-01-12 | 2012-09-19 | 金悦 | Rubber cylinder of packer |
| CN203175475U (en) * | 2013-04-08 | 2013-09-04 | 山东创裕实业有限公司 | High resilience force type packer rubber tube |
-
2014
- 2014-02-15 CN CN201410055210.0A patent/CN104847300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2362174B (en) * | 1998-12-10 | 2003-03-12 | Reslink As | Tool device for the setting of a well packer |
| CN2584813Y (en) * | 2002-11-07 | 2003-11-05 | 王锡来 | High-pressure resistance packer with long-service life |
| CA2482137A1 (en) * | 2003-10-03 | 2005-04-03 | Schlumberger Canada Limited | Well packer having an energized sealing element and associated method |
| CN101338656A (en) * | 2008-08-11 | 2009-01-07 | 张星荣 | High temperature and high pressure resistant compression packer rubber cartridge |
| CN202441321U (en) * | 2012-01-12 | 2012-09-19 | 金悦 | Rubber cylinder of packer |
| CN203175475U (en) * | 2013-04-08 | 2013-09-04 | 山东创裕实业有限公司 | High resilience force type packer rubber tube |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |