CN209277846U - A kind of packer with bidirectionally anchoring and bypass function - Google Patents
A kind of packer with bidirectionally anchoring and bypass function Download PDFInfo
- Publication number
- CN209277846U CN209277846U CN201822049055.8U CN201822049055U CN209277846U CN 209277846 U CN209277846 U CN 209277846U CN 201822049055 U CN201822049055 U CN 201822049055U CN 209277846 U CN209277846 U CN 209277846U
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- Prior art keywords
- packing element
- mandrel
- ring
- bypass
- packer
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Abstract
The utility model discloses a kind of packer with bidirectionally anchoring and bypass function, including bypass seal modules, top waterpower anchoring system, packing element seal modules, lower mechanical anchoring system and friction righting module；The bypass seal modules include top connection, bypass outer cylinder, Sealing shield ring, end face sealing ring, set mandrel, anchor body, packing element mandrel and crossover sub；The top waterpower anchoring system includes the dovetail baffle being arranged on anchor body, righting making leaf spring, spring and anchor tooth；The lower mechanical anchoring system includes cone, slips, slips bolt, abscission ring set and abscission ring set bolt；The friction righting module includes being successively set on abscission ring set lower end to set automatic J slot sleeve and righting unit on mandrel；The packer sets reliable performance because it has the function of bidirectionally anchoring, it is ensured that construction quality, the design of by-passing valve are conducive to removing seal for packer packing element Fast Restoration.
Description
Technical field
The utility model relates to wellfracturing technical field, in particular to a kind of envelope with bidirectionally anchoring and bypass function
Every device.
Background technique
The packer that oil, gas well use is mostly one-way slip support or tail pipe support, can only generally bear pressure difference, and
After packer setting, it may appear that situations such as packer is wriggled, and packing element damage, pressure is caused to lose envelope.
Utility model content
The purpose of the utility model is to provide a kind of packer with bidirectionally anchoring and bypass function.
For this purpose, technical solutions of the utility model are as follows:
A kind of packer with bidirectionally anchoring and bypass function, including bypass seal modules, top waterpower anchoring system,
Packing element seal modules, lower mechanical anchoring system and friction righting module；
The bypass seal modules include top connection, bypass outer cylinder, Sealing shield ring, end face sealing ring, set mandrel, anchor
Body, packing element mandrel and crossover sub；The upper end connector for setting mandrel is connected in the lower end inner cavity of top connection；Top connection
Lower end outer cover is equipped with bypass outer cylinder, bypasses and is provided with Sealing shield ring between outer cylinder and top connection；Under Sealing shield ring and top connection
End face sealing ring is provided between end face；The upper end of anchor body be embedded in sets mandrel and bypass outer cylinder between, the lower end of anchor body with
It sets and is formed with tubular slot between mandrel, the upper end of packing element mandrel is filled in above-mentioned tubular slot, and lower end is externally connected to conversion
Connector；
The top waterpower anchoring system includes the dovetail baffle being arranged on anchor body, righting making leaf spring, spring and anchor
Tooth；The spring and anchor tooth is arranged in the groove of anchor body, is successively covered with righting pressure at the notch of groove from inside to outside
Reed and dovetail baffle；
The packing element seal modules include upper rule ring, upper packing element, spacer ring, middle packing element, lower rubber cylinder and lower rule ring；Described
Upper packing element, middle packing element and lower rubber cylinder are sequentially sleeved at from top to bottom on packing element mandrel, and are arranged with spacer ring between any two, upper packing element
Upper surface withstand the lower end surface of anchor body, the upper surface that upper rule ring is close to upper packing element is set on the multi-diameter shaft of anchor body lower end；Under
Rule ring set is located on the packing element mandrel of lower rubber cylinder lower end, and lower rubber cylinder is withstood in end face thereon；
The lower mechanical anchoring system includes cone, slips, slips bolt, abscission ring set and abscission ring set bolt；Conversion
Setting for the lower end of connector is successively arranged with cone, slips and abscission ring set on mandrel；
The friction righting module include be successively set on abscission ring set lower end set automatic J slot sleeve on mandrel and
Righting unit；For promoting the conversion that removing seal for packer sets guide rail.
Further, the lower mechanical anchoring system further includes slips bolt and abscission ring set bolt；The slips
Bolt is used to guarantee that slips is between abscission ring set and cone, and the abscission ring set bolt is used to abscission ring set being fixed on automatic J
On type groove sleeve.
Further, the righting unit includes wiper block, wiper block spring and wiper block pressure cap；Wiper block setting exists
Automatic J slot sleeve lower end is set on mandrel, and the wiper block is internally provided with wiper block spring, and wiper block pressure cap is set
It sets in the lower end of wiper block, wiper block is provided packer setting deblocking and led by the elastic force friction internal surface of sleeve pipe of wiper block spring
The conversion of rail.
Compared with prior art, which sets reliable performance because it has the function of bidirectionally anchoring, it is ensured that construction matter
Amount, the design of by-passing valve are conducive to removing seal for packer packing element Fast Restoration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the packer provided by the utility model with bidirectionally anchoring and bypass function.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the utility model, but following embodiments are right absolutely not
The utility model has any restrictions.
A kind of packer with bidirectionally anchoring and bypass function, as shown in Figure 1, including bypass seal modules, upper water
Power anchoring system, packing element seal modules, lower mechanical anchoring system and friction righting module；
The bypass seal modules include that top connection 1, bypass outer cylinder 2, Sealing shield ring 3, end face sealing ring 4 set core
Axis 5, anchor body 6, packing element mandrel 15 and crossover sub 17；The upper end connector for setting mandrel 5 is connected in the lower end of top connection 1
In chamber；The lower end outer cover of top connection 1 is equipped with bypass outer cylinder 2, bypasses and is provided with Sealing shield ring 3 between outer cylinder 2 and top connection 1；
Sealing shield ring 3 and top connection are provided with end face sealing ring 4 between 1 lower end surface；The upper end of anchor body 6, which is embedded in, sets mandrel 5 and side
It between logical outer cylinder 2, the lower end of anchor body 6 and sets and is formed with tubular slot between mandrel 5, the upper end of packing element mandrel 15 is filled in above-mentioned
In tubular slot, lower end is externally connected to crossover sub 17；
The top waterpower anchoring system includes the dovetail baffle 7, righting making leaf spring 8, spring 9 being arranged on anchor body 6
With anchor tooth 10；The spring 9 and anchor tooth 10 is arranged in the groove of anchor body 6, is successively covered from inside to outside at the notch of groove
It is stamped righting making leaf spring 8 and dovetail baffle 7；
The packing element seal modules include upper rule ring 11, upper packing element 12, spacer ring 13, middle packing element 14, lower rubber cylinder and lower rule
Ring 16；Upper packing element 12, middle packing element 14 and the lower rubber cylinder is sequentially sleeved at from top to bottom on packing element mandrel 15, and between any two
It is arranged with spacer ring 13, the lower end surface of anchor body 6 is withstood in the upper surface of upper packing element 12, and upper rule ring 11 is close to the upper end surface cover of upper packing element 12
It is located on the multi-diameter shaft of 6 lower end of anchor body；Lower rule ring 16 is set on the packing element mandrel 15 of lower rubber cylinder lower end, and end face is withstood thereon
Lower rubber cylinder；
The lower mechanical anchoring system includes cone 18, slips 19, slips bolt 20, abscission ring set 21 and abscission ring set
Bolt 22；Setting for the lower end of crossover sub 17 is successively arranged with cone 18, slips 19 and abscission ring set 21 on mandrel 5；
The friction righting module includes being successively set on abscission ring and covering 21 lower ends to set automatic J type groove set on mandrel 5
Cylinder 23 and righting unit；For promoting the conversion that removing seal for packer sets guide rail.
The lower mechanical anchoring system further includes slips bolt 20 and abscission ring set bolt 22；The slips bolt 20
For guaranteeing that slips 19 is between abscission ring set 21 and cone 18, the abscission ring set bolt 22 is used to abscission ring set 21 is fixed
On automatic J slot sleeve 23.
The righting unit includes wiper block 25, wiper block spring 26 and wiper block pressure cap 27；The setting of wiper block 25 exists
23 lower end of automatic J slot sleeve is set on mandrel 5, and the wiper block 25 is internally provided with wiper block spring 26, righting
The lower end of wiper block 25 is arranged in block pressure cap 27, and wiper block 25 is provided by the elastic force friction internal surface of sleeve pipe of wiper block spring 26
The conversion of packer setting deblocking guide rail.
The application method of packer provided by the utility model with bidirectionally anchoring and bypass function is as follows:
Bypass seal modules include top connection 1, bypass outer cylinder 2, Sealing shield ring 3, end face sealing ring 4, set mandrel 5, anchor
Body 6, packing element mandrel 15 and crossover sub 17；Bypass seal modules are in the open state during packer is gone into the well, and set packing
Device simultaneously closes off bypass seal modules, and when deblocking packer, bypass seal modules are opened simultaneously, the liquid before packing element does not reset completely
Body by strip hole on crossover sub 17 along packing element mandrel 15, anchor body 6 and the annular space uplink for setting mandrel 5, through on bypass outer cylinder 2
Strip hole enters oil jacket annulus, pressure difference above and below rapid equalisation packing element；Top waterpower anchoring system include anchor body 6, dovetail baffle 7,
Righting making leaf spring 8, spring 9 and anchor tooth 10；It is anchored hydraulic power source to be provided by packing element lower part oil jacket annulus liquid, the converted connector of liquid
Strip liquid pass hole, which enters, on 17 goes upward to 6 inner cavity of anchor body with 5 annular space of mandrel is set along packing element mandrel 15, and anchor tooth 10 is pushed to be engaged
On casing, while using the fixed anchor tooth 10 of dovetail baffle 7；Packing element seal modules include upper rule ring 11, upper packing element 12, lower glue
Cylinder, spacer ring 13, middle packing element 14, lower rule ring 16, packing element mandrel 19；Packer lower mechanical anchoring system includes cone 18, slips
19, slips bolt 20, abscission ring set 21, abscission ring set bolt 22,19 top dovetail of slips are inserted into cone 18 in dovetail groove, under
Portion is seated in abscission ring set 21, and abscission ring set 21 is linked into an integrated entity by abscission ring set bolt 22 and is hung on automatic J slot sleeve 23；Packing
When device is set, automatic J slot sleeve 23 pushes abscission ring set 21 to drive slips 19 along 18 uplink of cone, and slips 19, which extends out, to be snapped at
Internal surface of sleeve pipe, that completes packer sets anchoring string.Connection friction righting module includes setting mandrel 5, automatic J slot sleeve
23, bush outer sleeve 24, wiper block 25, wiper block spring 26, wiper block pressure cap 27；Locating convex block on mandrel 5 is set to pass through certainly
The deblocking that sets of the position control packer on J-type slot sleeve 23 in J-type slot is moved, wiper block 25 passes through the bullet of wiper block spring 26
Power friction internal surface of sleeve pipe, provides the conversion of packer setting deblocking guide rail.
Claims (3)
1. a kind of packer with bidirectionally anchoring and bypass function, which is characterized in that including bypassing seal modules, top waterpower
Anchoring system, packing element seal modules, lower mechanical anchoring system and friction righting module；
The bypass seal modules include top connection (1), bypass outer cylinder (2), Sealing shield ring (3), end face sealing ring (4), sit
Seal mandrel (5), anchor body (6), packing element mandrel (15) and crossover sub (17)；The upper end connector for setting mandrel (5) is connected to
In the lower end inner cavity of top connection (1)；The lower end outer cover of top connection (1) is equipped with bypass outer cylinder (2), bypasses outer cylinder (2) and above connects
Sealing shield ring (3) are provided between head (1)；End face sealing ring is provided between Sealing shield ring (3) and top connection (1) lower end surface
(4)；The upper end of anchor body (6), which is embedded in, to be set between mandrel (5) and bypass outer cylinder (2), the lower end of anchor body (6) and sets mandrel
(5) tubular slot is formed between, the upper end of packing element mandrel (15) is filled in above-mentioned tubular slot, and lower end is externally connected to conversion and connects
Head (17)；
The top waterpower anchoring system includes dovetail baffle (7), the righting making leaf spring (8), spring being arranged on anchor body (6)
(9) and anchor tooth (10)；The spring (9) and anchor tooth (10) is arranged in the groove of anchor body (6), by interior at the notch of groove
And it is successively covered with righting making leaf spring (8) and dovetail baffle (7) outside；
The packing element seal modules include upper rule ring (11), upper packing element (12), spacer ring (13), middle packing element (14), lower rubber cylinder and
Lower rule ring (16)；Upper packing element (12), middle packing element (14) and the lower rubber cylinder is sequentially sleeved at packing element mandrel (15) from top to bottom
On, and it is arranged with spacer ring (13) between any two, the lower end surface of anchor body (6), upper rule ring (11) are withstood in the upper surface of upper packing element (12)
The upper surface of packing element (12) is set on the multi-diameter shaft of anchor body (6) lower end in abutting；Lower rule ring (16) is set in lower rubber cylinder lower end
Packing element mandrel (15) on, and lower rubber cylinder is withstood in end face thereon；
The lower mechanical anchoring system includes cone (18), slips (19), slips bolt (20), abscission ring set (21) and abscission ring
It covers bolt (22)；Setting for the lower end of crossover sub (17) is successively arranged with cone (18), slips (19) and abscission ring on mandrel (5)
It covers (21)；
The friction righting module includes being successively set on abscission ring set (21) lower end to set automatic J slot set on mandrel (5)
Cylinder (23) and righting unit；For promoting the conversion that removing seal for packer sets guide rail.
2. the packer according to claim 1 with bidirectionally anchoring and bypass function, which is characterized in that the lower part
Mechanical anchor module further includes slips bolt (20) and abscission ring set bolt (22)；The slips bolt (20) is used to guarantee slips
(19) between abscission ring set (21) and cone (18), abscission ring set bolt (22) is used to for abscission ring set (21) being fixed on certainly
On dynamic J-type slot sleeve (23).
3. the packer according to claim 2 with bidirectionally anchoring and bypass function, which is characterized in that the righting
Unit includes wiper block (25), wiper block spring (26) and wiper block pressure cap (27)；Wiper block (25) is arranged in automatic J slot set
Cylinder (23) lower end is set on mandrel (5), and the wiper block (25) is internally provided with wiper block spring (26), wiper block pressure
In the lower end of wiper block (25), wiper block (25) passes through the elastic force friction internal surface of sleeve pipe of wiper block spring (26) for cap (27) setting,
The conversion of packer setting deblocking guide rail is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049055.8U CN209277846U (en) | 2018-12-06 | 2018-12-06 | A kind of packer with bidirectionally anchoring and bypass function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049055.8U CN209277846U (en) | 2018-12-06 | 2018-12-06 | A kind of packer with bidirectionally anchoring and bypass function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277846U true CN209277846U (en) | 2019-08-20 |
Family
ID=67610106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049055.8U Expired - Fee Related CN209277846U (en) | 2018-12-06 | 2018-12-06 | A kind of packer with bidirectionally anchoring and bypass function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277846U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075386A (en) * | 2019-12-27 | 2020-04-28 | 何华 | Packer for petroleum pipe airtight detection |
| CN111911145A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Double-seal straddle stratum testing method |
| CN111911144A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Double-seal straddle test pipe column |
| CN111911110A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Packer for formation testing and method for performing formation testing by using packer |
| CN113236163A (en) * | 2021-05-18 | 2021-08-10 | 四机赛瓦石油钻采设备有限公司 | Mechanical rotation seat sealing type leather cup packer |
| CN114412409A (en) * | 2022-02-16 | 2022-04-29 | 成都德维石油技术服务有限责任公司 | Mechanical packer |
-
2018
- 2018-12-06 CN CN201822049055.8U patent/CN209277846U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075386A (en) * | 2019-12-27 | 2020-04-28 | 何华 | Packer for petroleum pipe airtight detection |
| CN111911145A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Double-seal straddle stratum testing method |
| CN111911144A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Double-seal straddle test pipe column |
| CN111911110A (en) * | 2020-08-13 | 2020-11-10 | 中国石油化工股份有限公司 | Packer for formation testing and method for performing formation testing by using packer |
| CN111911110B (en) * | 2020-08-13 | 2022-05-03 | 中国石油化工股份有限公司 | Packer for formation testing and method for performing formation testing by using packer |
| CN113236163A (en) * | 2021-05-18 | 2021-08-10 | 四机赛瓦石油钻采设备有限公司 | Mechanical rotation seat sealing type leather cup packer |
| CN114412409A (en) * | 2022-02-16 | 2022-04-29 | 成都德维石油技术服务有限责任公司 | Mechanical packer |
| CN114412409B (en) * | 2022-02-16 | 2023-08-08 | 成都德维石油技术服务有限责任公司 | Mechanical packer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201130 Address after: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |