CN206267814U - Coiled tubing end indicator - Google Patents
Coiled tubing end indicator Download PDFInfo
- Publication number
- CN206267814U CN206267814U CN201621204840.0U CN201621204840U CN206267814U CN 206267814 U CN206267814 U CN 206267814U CN 201621204840 U CN201621204840 U CN 201621204840U CN 206267814 U CN206267814 U CN 206267814U
- Authority
- CN
- China
- Prior art keywords
- coiled tubing
- extensible member
- tubing end
- fixed seat
- indicator
- 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
Links
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of coiled tubing end indicator, including it is provided with the main body of transfer passage, and the sensor in main body；The sensor includes can extend into the sensor of the extensible member of transfer passage and detection extensible member position.The extensible member of coiled tubing end indicator can string artificial situation and be moved with coiled tubing and instrument, can intuitively be shown, operator is set intuitively to understand the position of coiled tubing end, so as to avoid cutting oil pipe, the instrument even blowout security incident for thereby resulting in, and no longer need constructing operation personnel repeatedly to try closing well mouthful main valve, improve efficiency of construction.
Description
Technical field
The utility model is related to oil and gas exploitation and equipment technology field, and in particular to a kind of coiled tubing end refers to
Show device.
Background technology
Continuous oil pipe operation is widely used in oil or natural gas because its operating efficiency is high, the advantages of have a wide range of application
Development field.During oil or the construction of natural gas fields, various " difficult and complicated cases " can be faced, the requirement to downhole tool is also more next
Higher, such as some hole conditions requirement downhole tool external diameter carries out greatly heavily loaded operation than coiled tubing external diameter, some hole conditions requirement underground
The external diameter such as instrument and coiled tubing, it is adaptable to process special wellbore operations.
When the external diameter construction operations such as downhole tool and coiled tubing are processed, can frequently encounter because continuous oil pipe device is counted
The operation inconvenience that the problem of device local count accuracy is brought, exactly when well head is acted in coiled tubing and tool string end, because
Coiled tubing terminal position cannot be accurately positioned, it is necessary to operating personnel repeatedly try to close head valve and confirm position, if operation
It is improper, can also cause to cut the accident of oil pipe or instrument, construction safety is returned while bringing certain trouble to construction and brings hidden
Suffer from.
Utility model content
The utility model is directed to the problem that cannot be accurately positioned coiled tubing terminal position at present, proposes a kind of coiled tubing
End indicator.
Coiled tubing end of the present utility model indicator, including the main body of transfer passage is provided with, and installed in main body
On sensor；The sensor includes can extend into the sensor of the extensible member of transfer passage and detection extensible member position.
Preferably, the extensible member is slidably mounted in the mounting hole of main body setting.
Preferably, mounting-fixing base in the main body, the extensible member is to be slidably mounted in fixed seat.
Preferably, back-moving spring is installed on the extensible member.
Preferably, described extensible member the inner is provided with arc contact surface.
Preferably, described extensible member the inner is provided with sliding roller or ball.
Preferably, the inner segment of the fixed seat is arranged in the mounting hole that main body is set, outside the fixed seat inner segment
External diameter of the footpath less than the outer section of fixed seat.
Preferably, the inner segment of the fixed seat is connected through a screw thread with mounting hole.
Preferably, sealing is installed between the inner segment and mounting hole of the fixed seat and between extensible member and fixed seat
Part.
The beneficial effects of the utility model are：The extensible member of coiled tubing end indicator can be with coiled tubing and instrument
String artificial situation to be moved, can intuitively be shown, operator is intuitively understood the position of coiled tubing end, so that
Cutting oil pipe, the instrument even blowout security incident for thereby resulting in are avoided, and no longer needs constructing operation personnel repeatedly to try to close
Well head main valve, improves efficiency of construction.
Extensible member can be mounted directly or indirectly in main body, and by spring reset, simple structure is installed and using easy.
It is sliding contact with coiled tubing and tool string because extensible member is inner, arc contact surface is set and reduces contact area, reduces
Abrasion between contact component, improves life-span.Extensible member it is inner can sliding roller or ball that further use can be rolled, can
Further reduce contact wear degree.
Fixed seat inner segment is provided with seal, and thin outer end is thick, improves the sealing effectiveness after installing.Connected by screw thread
Connect guarantee connectivity robustness and sealing.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of coiled tubing end indicator.
Specific embodiment
In order to be able to further appreciate that structure of the present utility model, feature and other purposes, in conjunction with appended preferred embodiment
Detailed description is as follows, and illustrated preferred embodiment is merely to illustrate the technical solution of the utility model, and non-limiting practicality
It is new.
Specific embodiment of the present utility model is as follows：
As shown in figure 1, coiled tubing end indicator includes being provided with the main body 1 of transfer passage 11, and installed in main body 1
On sensor.Sensor at least installs one in main body 1,180 ° of symmetric positions can be installed or axially equal two-by-two when installing multiple
Even distributing installation.
Sensor includes can extend into the sensor 3 of the extensible member 2 of transfer passage 11 and detection extensible member 2 position.Stretch
Contracting bar 2 can be the part that rod member or sliding block etc. can be moved.
Coiled tubing end indicator is installed on wellhead assembly, coiled tubing and the upper work of coiled tubing is connected to
Tool string can be moved up and down in the transfer passage 11 of main body 1.
In coiled tubing and tool string are located at transfer passage 11, coiled tubing and tool string will extend into conveying and lead to
Extensible member 2 in road 11 is pushed out, and the position of the now detection of sensor 3 extensible member 2 is to pass data with outside, sensor 3
Go out, operating personnel understand there is coiled tubing and tool string in the indicator of coiled tubing end.
When coiled tubing and tool string are proposed from underground, coiled tubing and tool string leave coiled tubing end and refer to
Show the transfer passage 11 of device, stop outside ejection extensible member 2, extensible member 2 resets, extend into transfer passage 11, now senses
The position of the detection extensible member 2 of device 3 is located at inner side, and sensor 3 spreads out of data, and operating personnel understand coiled tubing end indicator
In do not exist coiled tubing and tool string.
Operating personnel equally can learn that extensible member 2 just moves to inner side by positioned at outside according to the data of sensor 3
Position, so as to learn the position of coiled tubing and tool string end.Accurately learning coiled tubing and tool string terminal position
In the case of, operating personnel can be avoided repeatedly to try to close head valve to confirm position, if misoperation, can also cause to cut
The accident of oil pipe or instrument, potential safety hazard risk is also reduced while improving efficiency of construction.
Extensible member 2 can be directly slidably mounted in the mounting hole 12 of the setting of main body 1；In main body 1 also can mounting-fixing base 4,
Extensible member 2 is slidably mounted in fixed seat 4.
In order that be pushed outwards crowded extensible member 2 smoothly resetting, back-moving spring 5 is installed on extensible member 2.When continuous oil pipe and
Tool string leaves transfer passage 11, and back into the inner of extensible member 2 in transfer passage 11 by back-moving spring 5.
In order to mitigate the inner of extensible member 2 and the friction between coiled tubing and tool string, the inner of extensible member 2 is provided with arc and connects
Contacting surface 21.Arc contact surface 21 reduces the contact area between extensible member 2 and coiled tubing and tool string, reduce both it
Between abrasion.
In order to further reduce abrasion, the inner of extensible member 2 is provided with sliding roller or ball, and the inner of extensible member 2 is provided with for pacifying
The surface of the supporting construction of the sliding roller of dress or ball, sliding roller or ball is used as being arc contact surface 21.
If extensible member 2 installs sliding roller, sliding roller is arranged on the inner of extensible member 2 as in the fixing groove of supporting construction, slides roller
Roll shaft connects with the fixed fluted shaft of supporting construction, makes the rotating direction for sliding roller identical with the moving direction of coiled tubing and tool string.
If extensible member 2 installs ball, during ball is arranged on the inner of extensible member 2 as the ball grooves of supporting construction, ball can
Freely rolled in the ball grooves of supporting construction.Ball can be also arranged in ball grooves by bearing pin, limit ball rotating direction,
Make its rotating direction identical with the moving direction of coiled tubing and tool string, by become slide for roll, reduce extensible member and
Coefficient of friction between coiled tubing and tool string, improves the service life of extensible member 2.
In order to improve firmly installing property and sealing property, the inner segment of fixed seat 4 is arranged on the mounting hole 12 that main body 1 is set
In, the external diameter of the external diameter less than the outer section of fixed seat 4 of the inner segment of fixed seat 4.The inner segment outer radius of fixed seat 4 are provided with seal 6, with peace
The sealing of the dress internal diameter outer end of hole 12, improves sealing property.The inner segment of fixed seat 4 is connected through a screw thread with mounting hole 12, enhancing connection
Fastness and sealing.
In order to ensure the sealing property between mutual movable part, seal 6 is installed between extensible member 2 and fixed seat 4,
Seal 6 is the structure that rubber seal etc. can be sealed.
Claims (9)
1. a kind of coiled tubing end indicator, it is characterised in that the main body (1) including being provided with transfer passage (11), Yi Jian
Sensor in main body (1)；The sensor includes can extend into that the extensible member (2) of transfer passage (11) and detection are stretched
The sensor (3) of contracting part (2) position.
2. coiled tubing end according to claim 1 indicator, it is characterised in that the extensible member (2) is slidably installed
In the mounting hole (12) that main body (1) is set.
3. coiled tubing end according to claim 1 indicator, it is characterised in that installed on the main body (1) and fixed
Seat (4), the extensible member (2) is slidably mounted in fixed seat (4).
4. the coiled tubing end indicator according to any one of claims 1 to 3, it is characterised in that the extensible member (2)
On back-moving spring (5) is installed.
5. the coiled tubing end indicator according to any one of claims 1 to 3, it is characterised in that the extensible member (2)
The inner is provided with arc contact surface (21).
6. the coiled tubing end indicator according to any one of claims 1 to 3, it is characterised in that the extensible member (2)
The inner is provided with sliding roller or ball.
7. coiled tubing end according to claim 3 indicator, it is characterised in that the inner segment peace of the fixed seat (4)
In the mounting hole (12) set mounted in main body (1), the external diameter of the external diameter less than fixed seat (4) outer section of fixed seat (4) inner segment.
8. coiled tubing end according to claim 7 indicator, it is characterised in that the inner segment of the fixed seat (4) with
Mounting hole (12) is connected through a screw thread.
9. coiled tubing end according to claim 7 indicator, it is characterised in that the inner segment of the fixed seat (4) with
Seal (6) is installed between mounting hole (12) and between extensible member (2) and fixed seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621204840.0U CN206267814U (en) | 2016-11-07 | 2016-11-07 | Coiled tubing end indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621204840.0U CN206267814U (en) | 2016-11-07 | 2016-11-07 | Coiled tubing end indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206267814U true CN206267814U (en) | 2017-06-20 |
Family
ID=59039051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621204840.0U Expired - Fee Related CN206267814U (en) | 2016-11-07 | 2016-11-07 | Coiled tubing end indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206267814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538192A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Downhole tool detection device |
-
2016
- 2016-11-07 CN CN201621204840.0U patent/CN206267814U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538192A (en) * | 2019-01-08 | 2019-03-29 | 成都百胜野牛科技有限公司 | Downhole tool detection device |
| CN109538192B (en) * | 2019-01-08 | 2024-01-16 | 成都百胜野牛科技有限公司 | Downhole tool detection device |
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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: 20170620 Termination date: 20201107 |