CN206158680U - Hydraulic pressure oil pipe wall scraping device - Google Patents
Hydraulic pressure oil pipe wall scraping device Download PDFInfo
- Publication number
- CN206158680U CN206158680U CN201620996082.4U CN201620996082U CN206158680U CN 206158680 U CN206158680 U CN 206158680U CN 201620996082 U CN201620996082 U CN 201620996082U CN 206158680 U CN206158680 U CN 206158680U
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- CN
- China
- Prior art keywords
- leather cup
- wall
- oil pipe
- cutter shaft
- mandrel
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic pressure oil pipe wall scraping device, including top -down threaded connection's arbor, connecting pipe, jack catch and leather cup dabber in proper order, top -down is provided with the cutting board that the multiunit is the heliciform distribution on the arbor outer wall, a plurality of intercommunicating pores have been seted up on the connecting pipe lateral wall, the jack catch suit comprises six evenly distributed's elastic claw on connecting pipe downside, its upper portion, the top -down cover is equipped with a plurality of leather cups on having offered a plurality of leather cup dabber intercommunicating pores, lower part lateral wall on the lateral wall of leather cup dabber upper portion, be provided with a shutoff at leather cup dabber intercommunicating pore department and the sliding sleeve that can the pressure -bearing goes upward in leather cup dabber inboard, the all -round cover sleeve pipe of this hydraulic pressure oil pipe wall scraping device can be realized the all -round no dead angle of sleeve pipe and scrape, and find out the time that the device reachd pipe shoes department, and the filths of wiping off such as iron rust drop proclaim oneself the leather cup on, and can not fall the shaft bottom, scrape after the operation through the backwash with filth backwash play well head, the device is fixed in certain position during reverse well washing, can not remove at will.
Description
Technical field
The utility model is related to oil-gas field development underground work engineering device technique field, and more particularly to a kind of hydraulic oil pipe scrapes wall
Device.
Background technology
At present, oil pipe derusting device is divided into factory's inner oil tube derusting device and the class of OIH pipe derusting device two.In factory
Oil pipe rust cleaning mainly drives the mode that rust cleaning cutter or the rotation of circular steel wire brush and low blow wash combine to realize with motor,
The method needs to transform tubing repair equipment, and high cost, operating efficiency is low.Existing well inner oil tube derusting device exist with
Lower deficiency：(1) it is susceptible to knife plate when cutter crosses tubing coupling to break event；(2) there is high-pressure water jet, it is impossible to determining device
Whether tubing string bottom is had arrived at；(3) iron rust leather all falls well；(4) when used in drifting tubing string or scraper column of casing,
The risk that the big diameter apparatus such as casing scraper or drift size gauge tool are lived by scale subcard is high.
Utility model content
The purpose of this utility model is to provide a kind of dirts such as iron rust for preventing and wiping off and will not fall the hydraulic oil pipe in shaft bottom
Wall scraper.
For this purpose, technical solutions of the utility model are as follows：
A kind of hydraulic oil pipe wall scraper, including the cutter shaft, connecting tube, claw and leather cup core that are threadedly coupled successively from top to bottom
Axle；Wherein, the cutter shaft is a solid cylinder, is provided with multigroup knife plate being distributed in the shape of a spiral on its outer wall from top to bottom；
The connecting tube is a cylindrical tube structure, and multiple along the circumferential direction uniform intercommunicating pores are offered on its side wall；The card
Pawl is sleeved on the connecting tube downside and is fixed on the outer wall of the connecting tube by the internal thread on the inwall of bottom；The card
Pawl top is made up of six equally distributed elastic claws；The leather cup mandrel is a cylindrical tube structure, in its upper portion side wall
Offer and be set with multiple leather cups from top to bottom on multiple along the circumferential direction uniform leather cup mandrel intercommunicating pores, lower sides, often
Individual leather cup bottom is additionally provided with a leather cup support；The leather cup mandrel inner side is provided with a closure at the leather cup mandrel intercommunicating pore
Sliding sleeve, sliding sleeve top outer wall is provided with jump ring, and on the leather cup mandrel inwall above intercommunicating pore one is being provided with
Limit the descending ring-shaped step of jump ring.
Multiple cutter shaft grooves being distributed in the shape of a spiral are provided with the cutter shaft outer wall from top to bottom, in each cutter shaft groove
It is provided with a knife plate being adapted with cutter shaft groove shapes；The knife plate lateral surface is provided with multiple rows of blade, medial surface vertically
Multiple radial blind holes for being provided with compression spring are offered, the knife plate lateral surface top and bottom are by being arranged on the cutter shaft
Pressing plate on outer wall is spacing to be fixed in cutter shaft groove.
The maximum outside diameter that the elastic claw is flexed outward is more than pipe aperture, is stuck between oil pipe during for moving upwards
Seam crossing.
Support tube is housed in the leather cup mandrel outer sheath, the support tube is arranged between adjacent leather cup；The bottom of positioned at
The leather cup lower section of side is set with and is fixed with a lock ring.
The first O-ring seals and are separately installed between the inwall of sliding sleeve upper and lower outer wall and the sliding sleeve
Two O-ring seals simultaneously form sealing；Sealing is also equipped between the outer wall of the sliding sleeve (7) and each described leather cup support inwall
Circle.
Compared with prior art, 360 ° of the hydraulic oil pipe wall scraper kind knife plate cover all around sleeve pipe and (circumferentially cover rate
Up to 115%), sleeve pipe is capable of achieving comprehensive without dead angle scraping；Compared with factory's inner oil tube derusting device, operating efficiency is higher, into
This is lower；Compared with existing OIH pipe derusting device, the wall scraper can find out the time at its arrival pipe shoe, additionally,
The dirts such as its iron rust wiped off drop on self-styled leather cup, and without falling shaft bottom, scraping passes through backwash by dirt after terminating
Backwash goes out well head, and the device is fixed on certain position during anti-flushing well, will not arbitrarily move.
Description of the drawings
Fig. 1 is the structural representation of hydraulic oil pipe wall scraper of the present utility model；
Fig. 2 is the partial enlarged drawing of Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the utility model, but following embodiments are right absolutely not
The utility model has any restriction.
As Fig. 1 shows, a kind of hydraulic oil pipe wall scraper of the hydraulic oil pipe wall scraper includes successively from top to bottom cutter shaft 1, connection
Pipe 4, claw 5, leather cup mandrel 6；The lower end of the cutter shaft 1 is threadedly coupled the connecting tube 4, and the lower end of the connecting tube 4 is from upper
It is threadedly coupled the claw 5 and the leather cup mandrel 6 successively under；The connecting tube 4 be cylindrical tube and on the wall of side shape
Into there is multiple connecting tube intercommunicating pores 13.
It is provided with multiple cutter shaft grooves being distributed in the shape of a spiral, each cutter shaft groove on the outer wall of the cutter shaft 1 from top to bottom
Inside it is inlaid with a knife plate 2 being adapted with cutter shaft groove shapes；Specifically, the knife plate (2) has three groups, there is two per group,
Axisymmetricly state is embedded in cutter shaft 1, is in 60 degree of phase angles between two adjacent groups knife plate；The lateral surface of the knife plate 2 is provided with many
Row's blade, medial surface offer vertically multiple radial blind holes for being provided with compression spring 12, the top of knife plate (2) lateral surface
End and bottom are carried out spacing and are fixed in the screwing 17 of pressing plate 3 by bookbinding by the pressing plate 3 being arranged on the outer wall of the cutter shaft 1
In cutter shaft groove.
The leather cup mandrel 6 is cylindrical tube structure and four leather cup mandrel intercommunicating pores is formed with upper portion side wall
14, it is set with sliding sleeve 7 in the leather cup mandrel 6 and the sliding sleeve 7 is sleeved on the top of the leather cup mandrel 6, the sliding sleeve 7
Top exterior walls are provided with jump ring 16, and the middle part of the leather cup mandrel 6 is set with successively the first self-styled leather cup 801, the first leather cup downwards
Support 901, support tube 10, the second self-styled leather cup 802 and the second leather cup support 902, the lower thread of leather cup mandrel 6 be provided with for
The lock ring 11 of the second leather cup support 902, the support tube 10 is supported to be used to support the first leather cup support 901 and second self-styled
Leather cup 802.
The bottom of the claw 5 is threadedly secured on the outer wall of the bottom of the connecting tube 4, and the top of the claw 5 is six
Individual equally distributed elastic claw and the elastic claw maximum outside diameter are more than pipe aperture, so that the claw 5 can when moving upwards
The seam crossing being stuck between oil pipe.
The first O-ring seals are separately installed between the upper and lower outer wall of the sliding sleeve 7 and the inwall of the sliding sleeve 7
1501 and second O-ring seals 1502 and form sealing, the outer wall of the sliding sleeve 7 and the first leather cup support 901 and described
The 3rd O-ring seals 1503 and the 4th O shape sealing rings 1504 are provided between the inwall of two leather cup support 902 and sealing is formed.
As shown in Fig. 2 the bottom outer wall of the leather cup mandrel 6 caves inward to form ring-shaped step, the ring-shaped step pair
The upper surface of the first self-styled leather cup 801 forms and supports；From top to bottom internal diameter is gradually reduced the upper inside wall of leather cup mandrel 6
Form first order ring-shaped step, second level ring-shaped step and third level ring-shaped step, the first order ring-shaped step and the third level
Descending formation of the ring-shaped step respectively to the lower surface of the lower surface of the connecting tube 4 and the sliding sleeve 7 is supported.
The jump ring 16 is when the sliding sleeve 7 is up to second level ring-shaped step top due to the internal diameter of leather cup mandrel 6
Expansion make the jump ring 16 open to be formed the sliding sleeve 7 is moved down it is spacing.
The blade external diameter of the spiral salient of the knife plate 2 is more than the external diameter of the cutter shaft 1 and outer higher than the pressing plate 3
Wall, the knife plate 2 is outwards and bonded to each other with oil pipe under the effect of the support force of the spring 12.
The jump ring 16 is axle jump ring.
The second level ring-shaped step internal diameter is slightly larger than the third level ring-shaped step.
A kind of operation principle of hydraulic oil pipe wall scraper of the utility model is as follows：
A kind of hydraulic oil pipe wall scraper of the utility model, using front, first guarantees that sliding sleeve 7 seals up the top of leather cup mandrel 6
Leather cup mandrel intercommunicating pore 14, then fills in the hydraulic oil pipe wall scraper in oil pipe, and turn on pump is suppressed, and hydraulic pressure is by connecting tube 4
The connecting tube intercommunicating pore 13 in portion acts on the top of sliding sleeve 7, prevents sliding sleeve 7 from moving upwards, while hydraulic pressure acts also on first certainly
On the self-styled leather cup 802 of the strip of paper used for sealing bowl 801 and second and top of cutter shaft 1, pushing meanss are descending, until device reaches the pump that is hampered at pipe shoe
Pressure is raised.During hydraulic oil pipe wall scraper is moved downward, the blade of knife plate 2 under the elastic force effect of spring 12 all the time with oil pipe
Inwall is close together, and the dirt wiped off is fallen on the first self-styled leather cup 801 and the second self-styled leather cup 802.Scraping is laggard
Row anti-flushing well, claw 5 is stuck in the seam crossing between most next oil pipe and second from the bottom oil pipe, and sliding sleeve 7 is by hydraulic pressure upwards
Power effect goes upward to the expanding place on the top of leather cup mandrel 6, while jump ring 16 opens, prevents sliding sleeve 7 from moving downward blocking skin again
Bowl mandrel intercommunicating pore 14, while leather cup mandrel intercommunicating pore 14 is opened connecting with oil pipe, the percutaneous bowl mandrel intercommunicating pore 14 of liquid flow to
The outside of leather cup mandrel 6, the dirt in backwash flowline.Anti-flushing well terminates rear lift pipe string, and by the hydraulic oil pipe wall scraper together
Propose well head.
In sum, content of the present utility model is not limited to the above embodiments, the technical staff in same area
Other embodiments can be proposed within technological guidance's thought of the present utility model, but this embodiment is included in this practicality
Within the scope of new.
Claims (5)
1. a kind of hydraulic oil pipe wall scraper, it is characterised in that including the cutter shaft (1), the connecting tube that are threadedly coupled successively from top to bottom
(4), claw (5) and leather cup mandrel (6)；Wherein, the cutter shaft (1) is a solid cylinder, is arranged from top to bottom on its outer wall
There is multigroup knife plate (2) being distributed in the shape of a spiral；The connecting tube (4) is a cylindrical tube structure, is offered on its side wall many
Individual along the circumferential direction uniform intercommunicating pore (13)；The claw (5) is sleeved on the connecting tube (4) downside and by bottom inwall
On internal thread be fixed on the outer wall of the connecting tube (4)；Claw (5) top is by six equally distributed elastic claw structures
Into；The leather cup mandrel (6) is a cylindrical tube structure, and multiple along the circumferential direction uniform skins are offered in its upper portion side wall
Multiple leather cups are set with from top to bottom on bowl mandrel intercommunicating pore (14), lower sides, and each leather cup bottom is additionally provided with a leather cup
Support；Leather cup mandrel (6) inner side is provided with sliding sleeve (7) of the closure at leather cup mandrel intercommunicating pore (14) place, the cunning
Set (7) top outer wall is provided with jump ring (16), and on leather cup mandrel (6) inwall above intercommunicating pore (14) one is being provided with
Limit the descending ring-shaped step of jump ring (16).
2. hydraulic oil pipe wall scraper according to claim 1, it is characterised in that on cutter shaft (1) outer wall from top to bottom
Multiple cutter shaft grooves being distributed in the shape of a spiral are provided with, one are provided with each cutter shaft groove and are adapted with cutter shaft groove shapes
Knife plate (2)；Knife plate (2) lateral surface is provided with multiple rows of blade, medial surface and offers vertically and multiple is provided with compression spring
Radial blind holes, knife plate (2) the lateral surface top and bottom it is spacing by the pressing plate 3 being arranged on the cutter shaft (1) outer wall
It is fixed in cutter shaft groove.
3. hydraulic oil pipe wall scraper according to claim 1, it is characterised in that the maximum that the elastic claw is flexed outward is outer
Footpath is more than pipe aperture, the seam crossing being stuck in during for moving upwards between oil pipe.
4. hydraulic oil pipe wall scraper according to claim 1, it is characterised in that be set with the leather cup mandrel (6) outside
There is support tube (10), the support tube (10) is arranged between adjacent leather cup；It is being set with below the leather cup of bottom side and is fixing
There is a lock ring (11).
5. hydraulic oil pipe wall scraper according to claim 1, it is characterised in that sliding sleeve (7) upper and lower outer wall
The first O-ring seals (1501) and the second O-ring seals (1502) and shape are separately installed with and the inwall of the sliding sleeve (7) between
Into sealing；Sealing ring is also equipped between the outer wall of the sliding sleeve (7) and each described leather cup support inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996082.4U CN206158680U (en) | 2016-08-30 | 2016-08-30 | Hydraulic pressure oil pipe wall scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620996082.4U CN206158680U (en) | 2016-08-30 | 2016-08-30 | Hydraulic pressure oil pipe wall scraping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158680U true CN206158680U (en) | 2017-05-10 |
Family
ID=58649791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620996082.4U Expired - Fee Related CN206158680U (en) | 2016-08-30 | 2016-08-30 | Hydraulic pressure oil pipe wall scraping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158680U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104771A (en) * | 2017-12-07 | 2018-06-01 | 中国海洋石油集团有限公司 | A kind of big reducing casing tube burnisher |
| CN112878962A (en) * | 2021-03-11 | 2021-06-01 | 西南石油大学 | Intelligent wall scraper for casing of ultra-deep well |
| CN115263239A (en) * | 2022-09-29 | 2022-11-01 | 胜利油田东方实业投资集团有限责任公司 | Scraper for oil field construction operation |
-
2016
- 2016-08-30 CN CN201620996082.4U patent/CN206158680U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104771A (en) * | 2017-12-07 | 2018-06-01 | 中国海洋石油集团有限公司 | A kind of big reducing casing tube burnisher |
| CN112878962A (en) * | 2021-03-11 | 2021-06-01 | 西南石油大学 | Intelligent wall scraper for casing of ultra-deep well |
| CN115263239A (en) * | 2022-09-29 | 2022-11-01 | 胜利油田东方实业投资集团有限责任公司 | Scraper for oil field construction operation |
| CN115263239B (en) * | 2022-09-29 | 2022-12-02 | 胜利油田东方实业投资集团有限责任公司 | Oil field construction operation is with scraper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211011 Address after: 100007 No. 9, Dongzhimen North Street, Dongcheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 science and Technology Development Office of Bohai Drilling Engineering Co., Ltd., No. 106, Huanghai Road, development zone, Binhai New Area, Tianjin Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 |