CN206158643U - Rotatory sand washing instrument of coiled tubing - Google Patents
Rotatory sand washing instrument of coiled tubing Download PDFInfo
- Publication number
- CN206158643U CN206158643U CN201621196635.4U CN201621196635U CN206158643U CN 206158643 U CN206158643 U CN 206158643U CN 201621196635 U CN201621196635 U CN 201621196635U CN 206158643 U CN206158643 U CN 206158643U
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- CN
- China
- Prior art keywords
- sand washing
- cover cylinder
- coiled tubing
- rotation
- screw thread
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Abstract
The utility model discloses a rotatory sand washing instrument of coiled tubing, coiled tubing passes through the screw thread and links to each other with top connection upper portion, the top connection lower part is passed through the screw thread and is linked to each other with a cover section of thick bamboo, a cover section of thick bamboo is a circular cylinder, cover bobbin base end has the step hole, the upper portion of swivelling joint pole is installed the centre of upper bearing and bearing down on cover section of thick bamboo inner wall and is hanged in a cover section of thick bamboo, the step hole of cover bobbin base end is worn out to the lower part thread end of swivelling joint pole, messenger swivelling joint pole can be rotatory in a cover section of thick bamboo, the lower part thread end of swivelling joint pole passes through the spiral shell and detains with the top of being connected the change knot continuously, the screw thread is passed through to the bottom of connect to become detaining and rotatory sand washing is first is connected, form integral rotary sand washing instrument, lower part outer wall at rotatory sand washing head is formed with multiunit efflux aperture passageway, connecting the overhead portion's inner wall of the rotatory sand washing that becomes the knot, the next -door neighbour be provided with a plurality of axial water conservancy diversion pieces on. Simple structure, manufacturing is easy, and the cost is low. It is not fragile, durable.
Description
Technical field
This utility model is related to a kind of downhole tool of oil field development application, especially a kind of to block up for tubing string passage in well
The coiled tubing rotation sand flushing tool of plug, is the low instrument of going into the well of a kind of safe and reliable, efficiency high, operating cost.
Background technology
At present during oilfield downhole operation, it may appear that shake out in well and cause tubing string card, while blocking lead to inside and outside tubing string
Road, it is impossible to set up normal circulation, it is impossible to normal to act tubing string in well.
Such result can only often take the mode that overhaul is salvaged to process, long in time limit, high cost.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple structure, and processing and manufacturing is easy, low cost,
It is hardly damaged, long-lived coiled tubing rotates sand flushing tool, realizes releasing the purpose of tubing string sand card.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of coiled tubing rotates sand washing
Instrument, including top connection, cylinder, the bar that is rotatably connected, connection variable buckle, rotation sand washing head are covered, coiled tubing is by screw thread and top connection
Top is connected, and top connection bottom is connected by screw thread with cover cylinder, and cover cylinder is a circular cylinder body, and there is stepped hole cover cylinder bottom, rotates
The centre of upper bearing (metal) and lower bearing of the top of connecting rod on cover cylinder inwall is simultaneously suspended in cover cylinder, is rotatably connected under bar
Portion's end of thread passes the stepped hole of cover cylinder bottom, and the bar that enables to be rotatably connected rotates in cover cylinder, the lower thread of the bar that is rotatably connected
End is connected by spiral shell button with the top for being connected variable buckle, and the bottom for connecting variable buckle is connected by screw thread with rotation sand washing head, is formed whole
Body rotates sand flushing tool, and in the bottom outer wall of rotation sand washing head multigroup jet pore channels are formed with, close to connection variable buckle
Multiple axial diversion pieces are provided with rotation sand washing head upper inside wall.
Top connection is a cylinder, and upper end inwall has female thread, and bottom outer wall has external screw thread, top connection upper end female thread and company
The nipple connection of continuous oil pipe bottom, top connection lower external thread is connected with the female thread of cover cylinder top inwall, axial diversion
Piece is welded as a whole with rotation sand washing head.
The axial diversion piece is four, forms positive swirl channel, it is ensured that the bar that is rotatably connected, connection variable buckle, axial direction are led
Flow and the synchronous forward rotation of rotation sand washing head.
The beneficial effects of the utility model are：By the multigroup jet pore channels processed in sand washing head, well-flushing is realized；Axle
It is pintongs composition to flow deflector, forms positive swirl channel, axial original power is transmitted by liquid stream, rotation is converted to by impeller dynamic
Power and scouring force；Two groups of bearings, by linear contact lay, playing reduces the function of rotation mill resistance；Handling ease, simple installation.
Description of the drawings
Fig. 1 is the structural representation that coiled tubing of the present utility model rotates sand flushing tool.
Fig. 2 is A-A profiles in Fig. 1.
Specific embodiment
This utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in Figure 1, 2, coiled tubing of the present utility model rotates sand flushing tool, including top connection 11, cover cylinder 12, rotation
Connecting rod 16, connection variable buckle 17, rotation sand washing head 19, coiled tubing is connected by screw thread with the top of top connection 11, top connection 11
Bottom is connected by screw thread with cover cylinder 12, and cover cylinder 12 is a circular cylinder body, and there is stepped hole the bottom of cover cylinder 12, and be rotatably connected bar 16
The centre of upper bearing (metal) 13 and lower bearing 14 of the top on the inwall of cover cylinder 12 is simultaneously suspended in cover cylinder 12, and be rotatably connected bar 16
Lower thread end passes the stepped hole of the bottom of cover cylinder 12, and the bar 16 that enables to be rotatably connected rotates in cover cylinder 12, and be rotatably connected bar 16
Lower thread end by spiral shell button be connected variable buckle 17 top be connected, connect variable buckle 17 bottom by screw thread and rotate sand washing
19 connections, form integral-rotation sand flushing tool, and in the bottom outer wall of rotation sand washing head 19 multigroup jet pore channels are formed with
15, it is provided with multiple axial diversion pieces 18 in the upper inside wall of rotation sand washing head 19 close to connection variable buckle 17.
Specifically, top connection 11 is a cylinder, and upper end inwall has female thread, and bottom outer wall has external screw thread, top connection 11
Upper end female thread is connected with the nipple of coiled tubing bottom, and the lower external thread of top connection 11 is interior with the top inwall of cover cylinder 12
Screw thread is connected, and axial diversion piece 18 is welded as a whole with rotation sand washing head 19.
The axial diversion piece 18 is four, forms positive swirl channel, it is ensured that the bar 16 that is rotatably connected, connection variable buckle 17,
Axial diversion piece 18 and the synchronous forward rotation of rotation sand washing head 19.
Before going into the well, after top connection female thread is connected with the external screw thread of coiled tubing bottom, starting pump truck makes liquid stream from continuous
Positive in oil pipe to flow out, liquid is flowed through and realize after instrument fluid diversion, the rotation of band power driven tools lower end, realizes the effect of rotation sand washing.
Part of the present embodiment without detailed narration, structure and process belong to the well-known components and conventional knot of the industry
Structure or conventional process method, are not describing one by one here.
In sum, content of the present utility model is not limited in the above embodiments, in same area it is insighted it
Scholar can easily propose other embodiments within technological guidance's thought of the present utility model, but this embodiment is all wrapped
Include within the scope of this utility model.
Claims (3)
1. a kind of coiled tubing rotates sand flushing tool, it is characterised in that including top connection (11), cover cylinder (12), be rotatably connected bar
(16) variable buckle (17), rotation sand washing head (19), are connected, coiled tubing is connected by screw thread with top connection (11) top, top connection
(11) bottom is connected by screw thread with cover cylinder (12), and cover cylinder (12) is a circular cylinder body, and there is stepped hole cover cylinder (12) bottom, rotation
The centre of upper bearing (metal) (13) and lower bearing (14) of the top of connecting rod (16) on cover cylinder (12) inwall is simultaneously suspended in cover cylinder
(12) in, the lower thread end of the bar that is rotatably connected (16) passes the stepped hole of cover cylinder (12) bottom, makes bar (16) energy that is rotatably connected
The rotation in cover cylinder (12), the lower thread end of the bar that is rotatably connected (16) is connected by spiral shell button with the top for being connected variable buckle (17),
The bottom of connection variable buckle (17) is connected by screw thread with rotation sand washing head (19), forms integral-rotation sand flushing tool, in rotation punching
The bottom outer wall of Fructus Amomi (19) is formed with multigroup jet pore channels (15), in the rotation sand washing head close to connection variable buckle (17)
(19) multiple axial diversion pieces (18) are provided with upper inside wall.
2. coiled tubing according to claim 1 rotates sand flushing tool, it is characterised in that top connection (11) is a cylinder,
Upper end inwall has female thread, and bottom outer wall has external screw thread, and top connection (11) upper end female thread connects with the screw thread of coiled tubing bottom
Head connection, top connection (11) lower external thread is connected with the female thread of cover cylinder (12) top inwall, axial diversion piece (18) and revolves
Turn sand washing head (19) to be welded as a whole.
3. coiled tubing according to claim 1 rotates sand flushing tool, it is characterised in that the axial diversion piece (18) is
Four, form positive swirl channel, it is ensured that the bar that is rotatably connected (16), connection variable buckle (17), axial diversion piece (18) and rotation punching
Fructus Amomi (19) synchronous forward rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621196635.4U CN206158643U (en) | 2016-10-28 | 2016-10-28 | Rotatory sand washing instrument of coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621196635.4U CN206158643U (en) | 2016-10-28 | 2016-10-28 | Rotatory sand washing instrument of coiled tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158643U true CN206158643U (en) | 2017-05-10 |
Family
ID=58658072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621196635.4U Active CN206158643U (en) | 2016-10-28 | 2016-10-28 | Rotatory sand washing instrument of coiled tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944572A (en) * | 2019-03-28 | 2019-06-28 | 中国海洋石油集团有限公司 | Underwater well mouth region cleaning plant |
| CN110821426A (en) * | 2019-11-14 | 2020-02-21 | 陕西延长石油(集团)有限责任公司研究院 | Sand washing and well washing tool capable of improving sand washing efficiency and using method thereof |
-
2016
- 2016-10-28 CN CN201621196635.4U patent/CN206158643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944572A (en) * | 2019-03-28 | 2019-06-28 | 中国海洋石油集团有限公司 | Underwater well mouth region cleaning plant |
| CN110821426A (en) * | 2019-11-14 | 2020-02-21 | 陕西延长石油(集团)有限责任公司研究院 | Sand washing and well washing tool capable of improving sand washing efficiency and using method thereof |
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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: 20211011 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |