CN205558864U - Antiscour packer - Google Patents
Antiscour packer Download PDFInfo
- Publication number
- CN205558864U CN205558864U CN201620363893.0U CN201620363893U CN205558864U CN 205558864 U CN205558864 U CN 205558864U CN 201620363893 U CN201620363893 U CN 201620363893U CN 205558864 U CN205558864 U CN 205558864U
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- CN
- China
- Prior art keywords
- main shaft
- packing element
- packer
- pressure transmission
- ring
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides an antiscour packer, includes deblocking joint, deblocking ring, attach fitting, fender ring, goes up cone 5, slips, spring leaf, slips cover, down the cone press the cap on, sit the offset nail, the piston, go up the spacing ring, down spacing ring, locking piece, main shaft, biography pressure endotheca, pass and press cover, catch, packing element protective sheath, slip joint, packing element, lower clutch. In the deblocking connects with the lower clutch between in the erection joint have a main shaft, this main shaft outward in order the erection joint have deblocking ring, attach fitting, go up the cone, slips, slips cover, down the cone press cap, piston, hydraulic pressure cover on, pass and press the endotheca, pass pressure cover, packing element protective sheath, slip joint, packing element. The utility model has the characteristics of straight well, inclined shaft, horizontal well carry on positive endless for thick liquid or the anti - big discharge capacity backwash that circulates, packing element be difficult for through the inclined shaft section time emergence wear and tear partially bad, can not the premature setting when taking place the scraping with the wall of a well, single hydraulic cylinder structure, stability erosion resistibility by force, packing element long service life etc, extensively use in oil development borehole operation technology.
Description
Technical field
This utility model belongs to oil development downhole packer, particularly to a kind of antiscour packer.
Background technology
Existing one " horizontal underground punching packer ", its structure is leather cup type.The packer of this structure is that oil exploitation has played effect, but it also exists following shortcoming or deficiency simultaneously: 1. owing to cup packing is thermo-labile, be not suitable for horizontal well thermal recovery；2. there is no anchoring device, be susceptible to the movement of sand control pipe in process of production；3. during entering under horizontal well sand control pipe, for quicksand oil reservoir, the remaining sand of horizontal segment can not be rinsed by sand washing completely, it is necessary to using the Technology washed down, technique is the most multiple；4., during sand washing, easily midway sets；5. erosion resistibility is poor, easily causes the phenomenons such as packing element breakage, packer premature setting during flushing.
Summary of the invention
The purpose of this utility model is to provide a kind of antiscour packer; use and solve sealing joint, upper lower cone, piston, upper and lower spacing ring, lock dog, pressure transmission inner sleeve, pressure transmission set, lock ring, packing element protection set, slip joint and the co-ordinative construction of packing element; it is strong that antiscour and anti-accident set ability, is effectively prevented and avoids shortcoming or deficiency present in above-mentioned prior art.
Antiscour packer described in the utility model, including solving sealing joint, solution seal ring, jointing, baffle ring, upper cone, slips, spring leaf, slips cover, lower cone, upper pressing cap, setting pin, piston, upper limit ring, lower limit ring, lock dog, hydraulic sleeve, main shaft, pressure transmission inner sleeve, pressure transmission set, lock ring, packing element protection set, slip joint, packing element and lower contact.Installing to be connected and have main shaft between in lower contact in described solution sealing joint, sequentially installing connection outside this main shaft has solution seal ring, jointing, upper cone, slips, slips cover, lower cone, upper pressing cap, piston, hydraulic sleeve, pressure transmission inner sleeve, pressure transmission set, packing element protection set, slip joint, packing element.
Wherein, described hydraulic sleeve top is connected with upper pressing cap, and bottom is connected with pressure transmission set, and hydraulic sleeve top is provided with interior land, is provided with annular space between this interior land and main shaft, is wherein provided with piston and upper limit ring.The annular space that in described hydraulic sleeve, land bottom and main shaft are constituted sequentially is provided with lower limit ring, lock dog and pressure transmission inner sleeve.Described solution sealing joint lower lumen is provided with cannelure, and in the annular space constituted between this cannelure and main shaft top, sequentially installing connection has solution seal ring, jointing and baffle ring.The top of described hydraulic sleeve and piston is provided with and sets pin.Described lock ring is connected with pressure transmission set, and set puts in installing to pressure transmission.Main shaft at described lower limit ring is provided with pressure transmission hole.Described lock dog set installs on main shaft, is suspended in the suspension groove of pressure transmission inner sleeve inwall.Carrying on described solution sealing joint, solve seal ring and spring in the inner chamber cannelure solving sealing joint, continuation carries solution sealing joint, baffle ring promotes jointing and upper cone to move up, and slips unseals, and upper cone promotes main shaft to move up, and packing element shrinks, removing seal for packer.On described piston and hydraulic sleeve, O is installed.
This utility model has the advantage that compared with prior art
1, can carry out direct circulation replaces slurry or reacting cycle huge discharge backwash.
2, packing element exterior design has rigid body protection set, can effectively prevent huge discharge backwash from causing packing element damaged, it is possible to prevent packing element from occurring eccentric wear to damage through lower curved section.
3, being widely used, straight well, inclined shaft, horizontal well can be applied, processing ease, convenience, suppresses and first makes protection put shifting when setting, and packing element continues to suppress after exposing, packing element compression-expansion packing oil jacket annular space.
4, it is designed with special lock dog, can effectively prevent packer moving component from causing premature setting with borehole wall generation scraping during going into the well.
5, the structure of single fluid cylinder is used, it is ensured that after packing element protection set is opened, slips spreading, packing element sets safely.
6, erosion resistibility is strong, and service life is long, and packing element not cracky when huge discharge rinses, packer does not occur premature setting phenomenon.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present utility model.
Detailed description of the invention
Refering to Fig. 1; a kind of antiscour packer, including solving sealing joint 1, solution seal ring 2, jointing 3, baffle ring 4, upper cone 5, slips 6, spring leaf 7, slips cover 8, lower cone 9, upper pressing cap 10, setting pin 11, piston 12, upper limit ring 13, lower limit ring 14, lock dog 15, hydraulic sleeve 16, main shaft 17, pressure transmission inner sleeve 18, pressure transmission set 19, lock ring 20, packing element protection set 21, slip joint 22, packing element 23 and lower contact 24.Solving in sealing joint 1 and install to be connected and have main shaft 17 between in lower contact 24, this main shaft 17 is outer sequentially installs connection solution seal ring 2, jointing 3, upper cone 5, slips 6, slips cover 8, lower cone 9, upper pressing cap 10, piston 12, hydraulic sleeve 16, pressure transmission inner sleeve 18, pressure transmission set 19, packing element protection set 21, slip joint 22, packing element 23.
Hydraulic sleeve 16 top is connected with upper pressing cap 10, and bottom is connected with pressure transmission set 19, and hydraulic sleeve 16 top is provided with interior land, is provided with annular space between this interior land and main shaft 17, is wherein provided with piston 12 and upper limit ring 13.The annular space that in hydraulic sleeve 16, land bottom and main shaft 17 are constituted sequentially is provided with lower limit ring 14, lock dog 15 and pressure transmission inner sleeve 18.Solving sealing joint 1 lower lumen and be provided with cannelure, in the annular space constituted between this cannelure and main shaft 17 top, sequentially installing connection has solution seal ring 2, jointing 3 and baffle ring 4.The top of hydraulic sleeve 16 and piston 12 is provided with and sets pin 11.Lock ring 20 is connected with pressure transmission set 19, and set installs in pressure transmission inner sleeve 18.Main shaft 17 at lower limit ring 14 is provided with pressure transmission hole 26.Lock dog 15 set installs to, on main shaft 17, be suspended in the suspension groove of pressure transmission inner sleeve 18 inwall.Solve and carry on sealing joint 1, solve seal ring 2 and spring in the inner chamber cannelure solving sealing joint 1, continuation carries solution sealing joint 1, baffle ring 4 promotes jointing 3 and upper cone 5 to move up, and slips 6 unseals, and upper cone promotes main shaft 17 to move up, packing element 23 shrinks, removing seal for packer.On piston 12 and hydraulic sleeve 16, O 25 is installed.Spring leaf 7 is installed on slips 6.
During antiscour packer setting of the present utility model, suppress in oil pipe, pressure transmission hole 26 enter; piston 12 is made to move up; cut off and set pin 11, promote upper pressing cap 10, upper limit ring 13, hydraulic sleeve 16, pressure transmission set 19, lock ring 20, packing element protection set 21 to move up; after exposing packing element 23; lock dog 15 enters into hydraulic sleeve 16 lower end, the liquid that pressure transmission hole 26 enters, and makes pressure transmission inner sleeve 18, lock dog 15, slip joint 22 move down; extruding packing element 23, reaches to set purpose.Packing element 23 exposes simultaneously, and upper pressing cap 10 promotes lower cone 9 to move up, and makes slips 6 spreading reach to set purpose.
During antiscour removing seal for packer of the present utility model, oil pipe connection solves and carries on sealing joint 1, solution seal ring 2 is made to spring in solution sealing joint 1 inner wall groove, carrying solution sealing joint 1 in continuation, make baffle ring 4 promote jointing 3 and upper cone 5 to move up, slips 6 unseals, upper cone is made to promote main shaft 17 to move up, packing element 23 stress releases, and packing element 23 shrinks deblocking, and deblocking process completes.
Claims (9)
1. an antiscour packer, including solving sealing joint, solve seal ring, jointing, baffle ring, upper cone, slips, spring leaf, slips cover, lower cone, upper pressing cap, set pin, piston, upper limit ring, lower limit ring, lock dog, hydraulic sleeve, main shaft, pressure transmission inner sleeve, pressure transmission set, lock ring, packing element protection set, slip joint, packing element and lower contact, it is characterized in that installing to be connected and having main shaft between in lower contact in described solution sealing joint, connection is sequentially installed outside this main shaft and has solution seal ring, jointing, upper cone 5, slips, slips cover, lower cone, upper pressing cap, piston, hydraulic sleeve, pressure transmission inner sleeve, pressure transmission set, packing element protection set, slip joint, packing element.
Antiscour packer the most according to claim 1, it is characterized in that described hydraulic sleeve top is connected with upper pressing cap, bottom is connected with pressure transmission set, and hydraulic sleeve top is provided with interior land, it is provided with annular space between this interior land and main shaft, piston and upper limit ring are wherein installed.
Antiscour packer the most according to claim 1 and 2, it is characterised in that be sequentially provided with lower limit ring, lock dog and pressure transmission inner sleeve in the annular space that in described hydraulic sleeve, land bottom and main shaft are constituted.
Antiscour packer the most according to claim 1, it is characterised in that described solution sealing joint lower lumen is provided with cannelure, in the annular space constituted between this cannelure and main shaft top, sequentially installing connection has solution seal ring, jointing and baffle ring.
Antiscour packer the most according to claim 1, it is characterised in that the top of described hydraulic sleeve and piston is provided with and sets pin.
Antiscour packer the most according to claim 1, it is characterised in that described lock ring is connected with pressure transmission set, set puts in installing to pressure transmission.
Antiscour packer the most according to claim 1, it is characterised in that the main shaft at described lower limit ring is provided with pressure transmission hole.
Antiscour packer the most according to claim 1, it is characterised in that described lock dog set installs on main shaft, is suspended in the suspension groove of pressure transmission inner sleeve inwall.
Antiscour packer the most according to claim 1, it is characterised in that be provided with O on described piston and hydraulic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620363893.0U CN205558864U (en) | 2016-04-27 | 2016-04-27 | Antiscour packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620363893.0U CN205558864U (en) | 2016-04-27 | 2016-04-27 | Antiscour packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205558864U true CN205558864U (en) | 2016-09-07 |
Family
ID=56807851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620363893.0U Withdrawn - After Issue CN205558864U (en) | 2016-04-27 | 2016-04-27 | Antiscour packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205558864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696966A (en) * | 2016-04-27 | 2016-06-22 | 东营市福利德石油科技开发有限责任公司 | Anti-scouring packer |
| CN108397154A (en) * | 2018-03-02 | 2018-08-14 | 荆州市赛瑞能源技术有限公司 | A kind of anti-hydraulic packer being hampered |
-
2016
- 2016-04-27 CN CN201620363893.0U patent/CN205558864U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696966A (en) * | 2016-04-27 | 2016-06-22 | 东营市福利德石油科技开发有限责任公司 | Anti-scouring packer |
| CN105696966B (en) * | 2016-04-27 | 2017-12-19 | 东营市福利德石油科技开发有限责任公司 | Antiscour packer |
| CN108397154A (en) * | 2018-03-02 | 2018-08-14 | 荆州市赛瑞能源技术有限公司 | A kind of anti-hydraulic packer being hampered |
| CN108397154B (en) * | 2018-03-02 | 2019-11-26 | 荆州市赛瑞能源技术有限公司 | A kind of anti-hydraulic packer being hampered |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20171219 |