CN207879290U - A kind of waterpower driven rotary cutting knife tool of coiled tubing - Google Patents
A kind of waterpower driven rotary cutting knife tool of coiled tubing Download PDFInfo
- Publication number
- CN207879290U CN207879290U CN201820293544.5U CN201820293544U CN207879290U CN 207879290 U CN207879290 U CN 207879290U CN 201820293544 U CN201820293544 U CN 201820293544U CN 207879290 U CN207879290 U CN 207879290U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- cutting knife
- outer tube
- coiled tubing
- core tube
- 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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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model is related to a kind of waterpower driven rotary cutting knife tools of coiled tubing, belong to oil/gas well workover treatment tool field.It is made of rotary nozzle, core tube, pressure cap and outer tube, is equipped with core tube by thrust bearing and pressure cap in outer tube, one end of core tube extends to outer tube outer end, and the core tube's ends screw for extending to outer tube outer end is equipped with rotary nozzle.The tool is using hydrodynamic force as power source, nozzle is by the pressure conversion of liquid stream at momentum, the tubing string that flow is cut by high speed impact, momentum is converted to momentum in a short time, flow removes cutting object under percussion as grinding wheel, achieve the purpose that cutting, the tubing string cutting of sizes can be met, and environmentally friendly, pollution-free.
Description
Technical field
The utility model is related to a kind of waterpower driven rotary cutting knife tools of coiled tubing, belong to oil/gas well workover treatment tool neck
Domain.
Background technology
In conventional oil-water well heavy repair task, the case where tubing string is by card is encountered, more universal cleaning way is to utilize
Machine cuts the Knife tool, using back-off salvage or blast cutting method by the way of, the deficiency having is mechanical execution operating type
Cut different size tubing strings and need various sizes of cutter, the wall thickness dimension that cutter can be cut is limited, be buckled to mode efficiency it is low,
Time and effort consuming, of high cost, blast cutting method, which is vulnerable to hole deviation and tube inner wall booty, greasy dirt, influences cutting cartridge toward down less than pre-
Positioning, which is set, cannot achieve effective cutting.Followed by Operation Tubing Aggregate be mostly apply it is simple in sand surfing, drain, drifting scraping etc.
Construction operation in, fail the function of giving full play to coild tubing unit.
Invention content
The purpose of this utility model is that：It is simple in structure, easy to use to provide one kind, it can be with coiled tubing in the course of work
Working rig matches, and to improve cutting success rate, accelerates oil-water well heavy repair task efficiency, is not necessarily to anchoring device, and pollution-free,
The waterpower driven rotary cutting knife tool of the coiled tubing of the cutting operation requirement of sizes tubing string can be met.
The technical solution of the utility model is：
A kind of waterpower driven rotary cutting knife tool of coiled tubing, it is made of rotary nozzle, core tube, pressure cap and outer tube,
It is characterized in that：Core tube is equipped with by thrust bearing and pressure cap in outer tube, one end of core tube extends to outside outer tube
End, the core tube's ends screw for extending to outer tube outer end are equipped with rotary nozzle.
The pressure cap is threadedly coupled with outer tube, is fixed by clamp-screw between pressure cap and outer tube.
It is provided with sealing ring between the pressure cap and core tube.
It is provided with waveform spring gasket between the core tube and outer tube.
The rotary nozzle is in spindle, and the ends screw of rotary nozzle is equipped with blocking cap, the rotation spray of blocking cap side
Multiple nozzle bores are evenly equipped on head circumference, nozzle bore is interior big outer small trumpet type, and nozzle bore is tilted to the right in a circumferential direction；
Nozzle is equipped with by nozzle pressure cap and sealing ring in nozzle bore.
The nozzle stated is connected to the centre bore of core tube.
The beneficial effects of the utility model are：
1. when the tool work, outer sleeve upper is directly connect by screw thread with coiled tubing, it is not necessarily to anchoring device, is made
Workover treatment is more convenient, improves work efficiency.
2. rotary nozzle, nozzle bore and nozzle flow channel are designed to three-dimensional curve, make rotary nozzle can under pressure certainly
Dynamic rotation, nozzle flow channel aperture is designed using horn, to reduce frictional resistance when water flows into air stream enter runner, keeps logical liquid more suitable
Freely, make by flow centrifugal force become larger, to accelerate cutting speed, improve cutting effect.
3. the tool, using hydrodynamic force as power source, for nozzle by the pressure conversion of liquid stream at momentum, flow passes through high-speed punching
The tubing string cut is hit, momentum is converted to momentum in a short time, and flow removes cutting object under percussion as grinding wheel,
Achieve the purpose that cutting, the tubing string cutting of sizes can be met, and environmentally friendly, pollution-free.
4. thrust ball bearing and waveform spring gasket can make to reduce friction between core tube and pressure cap and outer tube, to carry
High efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 be Fig. 1 in A-A to structural schematic diagram.
In figure：1, rotary nozzle, 2, core tube, 3, pressure cap, 4, outer tube, 5, thrust bearing, 6, blocking cap, 7, nozzle, 8,
Clamp-screw, 9, waveform spring gasket.
Specific implementation mode
The waterpower driven rotary cutting knife tool of the coiled tubing is made of rotary nozzle 1, core tube 2, pressure cap 3 and outer tube 4, outside
Core tube 2 is equipped with by thrust bearing 5 and pressure cap 3 in casing 4, is threadedly coupled between pressure cap 3 and outer tube 4, pressure cap 3 with it is outer
It is fixed between casing 4 and by clamp-screw 8.Sealing ring, core tube 2 and outer tube 4 are provided between pressure cap 3 and core tube 2
Between be provided with waveform spring gasket 9.
One end of core tube 2 extends to 4 outer end of outer tube, extends to core tube's 2 ends screw installation of 4 outer end of outer tube
There is rotary nozzle 1.Rotary nozzle 1 is in spindle, and the ends screw of rotary nozzle 1 is equipped with blocking cap 6, the rotation of 6 side of blocking cap
Multiple nozzle bores are evenly equipped on 1 circumference of nozzle, nozzle bore is interior big outer small trumpet type, and nozzle bore is in a circumferential direction to Right deviation
Tiltedly；The nozzle 7 being connected to the centre bore of core tube 2 is installed by nozzle pressure cap and sealing ring in nozzle bore.
The rotary cutting knife tool is using hydrodynamic force as power source, by coiled tubing tripping in when work, when the rotary cutting knife
When tool is lowered into predetermined cuts position, using hydrodynamic force as power source, the flow of certain pressure, flow are squeezed into coiled tubing
It is sprayed by the nozzle 7 on rotary nozzle 1, since the nozzle bore direction of nozzle 7 is using spirally, rational angle can make rotation
It is more smooth to turn the movement of nozzle 1, to push rotary nozzle 1 to rotate and enter cutting state.
In 1 rotary course of rotary nozzle, nozzle 7 by the pressure conversion of liquid stream at momentum, by high speed impact cut by flow
The tubing string cut, momentum are converted to momentum in a short time, and flow is removed cutting object as grinding wheel under percussion, thus reached
To the purpose of cutting, the tubing string cutting of sizes can be met, and environmentally friendly, pollution-free.
For the rotary nozzle 1 of the rotary cutting knife tool due to being threadedly coupled with core tube 2, rotary nozzle 1 drives core when rotating
Central siphon 2 rotate, core tube 2 rotate when with pressure cap 3 generate frictional resistance reduced by thrust ball bearing 5, core tube 2 with outside
The frictional resistance generated between casing 4 reduces its frictional force by the waveform spring gasket 9 of setting, thus realizes high efficiency
Working method.
The rotary cutting knife tool can take out inspection at any time when underground cutting is unsuccessful, and cutting is implemented in tripping in again, by
This improves the operability of complicated unfreezing operation, is conducive to the quick processing for meeting card operation.
Claims (6)
1. a kind of waterpower driven rotary cutting knife tool of coiled tubing, it is by rotary nozzle（1）, core tube（2）, pressure cap（3）And housing
Pipe（4）It constitutes, it is characterised in that：Outer tube（4）Inside pass through thrust bearing（5）And pressure cap（3）Core tube is installed（2）, mandrel
Pipe（2）One end extend to outer tube（4）Outer end extends to outer tube（4）The core tube of outer end（2）Ends screw is equipped with rotation
Turn nozzle（1）.
2. a kind of waterpower driven rotary cutting knife tool of coiled tubing according to claim 1, it is characterised in that：The pressure cap
（3）With outer tube（4）It is threadedly coupled, pressure cap（3）With outer tube（4）Between pass through clamp-screw（8）It is fixed.
3. a kind of waterpower driven rotary cutting knife tool of coiled tubing according to claim 1, it is characterised in that：The pressure cap
（3）With core tube（2）Between be provided with sealing ring.
4. a kind of waterpower driven rotary cutting knife tool of coiled tubing according to claim 1, it is characterised in that：The mandrel
Pipe（2）With outer tube（4）Between be provided with waveform spring gasket（9）.
5. a kind of waterpower driven rotary cutting knife tool of coiled tubing according to claim 1, it is characterised in that：The rotation
Nozzle（1）In spindle, rotary nozzle（1）Ends screw blocking cap is installed（6）, blocking cap（6）The rotary nozzle of side（1）Circle
Multiple nozzle bores are evenly equipped on week, nozzle bore is interior big outer small trumpet type, and nozzle bore is tilted to the right in a circumferential direction, nozzle
Nozzle is equipped with by nozzle pressure cap and sealing ring in hole（7）.
6. a kind of waterpower driven rotary cutting knife tool of coiled tubing according to claim 5, it is characterised in that：The nozzle stated
（7）With core tube（2）Centre bore connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293544.5U CN207879290U (en) | 2018-03-02 | 2018-03-02 | A kind of waterpower driven rotary cutting knife tool of coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293544.5U CN207879290U (en) | 2018-03-02 | 2018-03-02 | A kind of waterpower driven rotary cutting knife tool of coiled tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879290U true CN207879290U (en) | 2018-09-18 |
Family
ID=63496705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820293544.5U Expired - Fee Related CN207879290U (en) | 2018-03-02 | 2018-03-02 | A kind of waterpower driven rotary cutting knife tool of coiled tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552646A (en) * | 2019-09-19 | 2019-12-10 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Rotary hydraulic jet cutting casing tool and construction method thereof |
| CN112761562A (en) * | 2021-01-20 | 2021-05-07 | 中海油田服务股份有限公司 | Casing pipe cutting knife device and using method thereof |
-
2018
- 2018-03-02 CN CN201820293544.5U patent/CN207879290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552646A (en) * | 2019-09-19 | 2019-12-10 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Rotary hydraulic jet cutting casing tool and construction method thereof |
| CN110552646B (en) * | 2019-09-19 | 2020-05-05 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Rotary hydraulic jet cutting casing tool and construction method thereof |
| CN112761562A (en) * | 2021-01-20 | 2021-05-07 | 中海油田服务股份有限公司 | Casing pipe cutting knife device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180918 Termination date: 20210302 |