CN203822224U - Coiled tubing straightening device - Google Patents
Coiled tubing straightening device Download PDFInfo
- Publication number
- CN203822224U CN203822224U CN201420210022.6U CN201420210022U CN203822224U CN 203822224 U CN203822224 U CN 203822224U CN 201420210022 U CN201420210022 U CN 201420210022U CN 203822224 U CN203822224 U CN 203822224U
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- CN
- China
- Prior art keywords
- coiled tubing
- straightening
- push rod
- straightening device
- standpipe
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a coiled tubing straightening device, which comprises a body, an upright tube head, a drive mechanism and an ejector rod. The upright tube head is arranged at the upper end of the body and is used for being connected with an upright tube or a blowout preventer. The lower end of the body is in the form of a fixing end. The body is provided with a limiting mechanism used for supporting coiled tubing. The drive mechanism is connected with the ejector rod to drive the ejector rod to match with the to-be-straightened segment of the coiled tubing and straighten the to-be-straightened segment. According to the technical scheme of the utility model, the coiled tubing of different sizes, bending directions and curvatures can be straightened by means of the coiled tubing straightening device.
Description
Technical field
The utility model relates to a kind of coiled tubing carries out the device of straightening cannot be by Oil/gas Well reducing wellhead assembly time to bending coiled tubing, belong to industrial gas oil ground construction technical field.
Background technology
Bending coiled tubing straightening technology is that an important coiled tubing is by the technology of reducing wellhead assembly.According to needed length, bending oil pipe is carried out to segmentation straightening, by wellhead assembly, be important foundation and the prerequisite of carrying out continuous oil pipe operation with smoothly.When continuous oil pipe operation, coiled tubing has experienced three bendings in ground and the bending of pit shaft inside spin altogether from vehicle-mounted cylinder to pit shaft, adds the impact (as bored mill, cutting etc.) of some technique, makes coiled tubing present comparatively complicated case of bending.Such coiled tubing is usually when the reducing wellhead assembly, is hampered and cannot passes through on the step of reducing position.Especially for the larger well head of reducing, even if adopt, coiled tubing is carried out righting, increases the methods such as coiled tubing seeker external diameter, be also difficult to solve by the problem of well head.
Conventional solution is by mechanical forces, bending coiled tubing to be carried out to straightening processing by Lever Blocks, but this kind method hand labor intensity is large, danger coefficient is high, and cause straightening efficiency low because choosing of Lever Blocks fixed point is limited.
In addition, in prior art, China Patent No. " 201020116577.6 " has proposed a kind of dimensional continuous oil pipe straightening machine, and open day is on November 24th, 2011, comprises an air compressor, air compressor is connected with hydraulic force increasing device, hydraulic force increasing device is connected with oil cylinder, and oil cylinder is connected with oil cylinder headstock, and oil cylinder headstock connects upper plate and lower shoe, position, hole in lower shoe and upper plate two ends symmetry is provided with the rotating shaft of two swinging circle arc supports, on the piston column cap of oil cylinder, loads onto pressure head.But this technology is only applicable to before weld coiled tubing butt welding at oilfield scene carry out alignment, and in the time that coiled tubing presents comparatively complicated case of bending, this technology is also inapplicable.
Summary of the invention
The purpose of this utility model is to overcome in prior art carries out to bending coiled tubing the problems referred to above that straightening processing exists, and a kind of coiled tubing straightening device is provided.The utility model can be realized the straightening work of the coiled tubing of different size, bending direction and radian.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of coiled tubing straightening device, it is characterized in that: comprise body, standpipe head, driving mechanism and push rod, described standpipe head is arranged on body upper end for being connected with standpipe or preventer, body lower end is fixed end, on body, be provided with the position-limit mechanism for supporting coiled tubing, described driving mechanism is connected drive push rod and treats that with coiled tubing straightening section coordinates straightening with push rod.
Described driving mechanism comprises hydraulic pump and the extending cylinder by hydraulic pump fuel feeding, and the piston of extending cylinder is connected with push rod.
Described body in a tubular form, is provided with opening on body, described coiled tubing treats that straightening section is positioned at body, coordinates straightening by opening part with push rod.
Described position-limit mechanism comprises two rollers, and described two rollers are symmetricly set on body, the equal capable of regulating of roller size and spacing.
Described standpipe head is union button.
Employing the utility model has the advantage of:
One, the utility model comprises body, standpipe head, driving mechanism and push rod, described standpipe head is arranged on body upper end for being connected with standpipe or preventer, this structure is convenient to transfer after coiled tubing, carry out straightening for differently curved section, and can adjust straightening direction by standpipe head, body lower end is fixed end.While being provided with for straightening on body, support the position-limit mechanism of coiled tubing, described driving mechanism is connected drive push rod and treats that with coiled tubing straightening section coordinates straightening with push rod.The structure of body, standpipe head, driving mechanism and push rod, be convenient to adjust coiled tubing and treat the direction of straightening section, by adjusting two distances between roller and changing the roller of different size, thereby can realize the straightening work of the coiled tubing of differently curved direction, radian and size.
Two, in the utility model, described driving mechanism comprises hydraulic pump and the extending cylinder by hydraulic pump fuel feeding, the piston of extending cylinder is connected with push rod, although driving mechanism is prior art, be applied in the utility model structure, under the cooperation of two roller different distance, can regulate push rod and coiled tubing to treat the distance of straightening section, be convenient to adjust straightening angle, can accurately control the tracks of push rod, thereby improve straightening precision.
Three,, in the utility model, described body in a tubular form, is provided with opening on body, described coiled tubing treats that straightening section is positioned at body, coordinates straightening by opening part with push rod, adopts this structure, be convenient to accurately locate coiled tubing and treat straightening section, can improve equally straightening precision.
Four, in the utility model, described position-limit mechanism comprises two rollers, and described two rollers are symmetricly set on body, and by adjusting the distance between two rollers, can realize the straightening work of the coiled tubing to different radians.
Five, in the utility model, described standpipe head is union button, is convenient to adjust the direction of body by union button, thereby realize, coiled tubing is treated to the direction of straightening section regulates.
To sum up, the utility model is skillfully constructed, simple in structure, handling safety is effective, has solved the fixing difficult and coarse problem of straightening of conventional straightening technology, can be widely used in coiled tubing by fields such as Oil/gas Well reducing wellhead assemblies.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the utility model
Fig. 2 is the utility model side-looking structural representation
In figure, be labeled as: 1, standpipe head, 2, body, 3, roller, 4, extending cylinder, 5, hydraulic pump, 6, push rod, 7, coiled tubing treats straightening section.
Detailed description of the invention
Embodiment 1
A kind of coiled tubing straightening device, comprise body 2, standpipe head 1, driving mechanism and push rod 6, described standpipe head 1 is arranged on body 2 upper ends for being connected with standpipe or preventer, body 2 lower ends are fixed end, on body 2, be provided with the position-limit mechanism for supporting coiled tubing, described driving mechanism is connected drive push rod and treats that with coiled tubing straightening section 7 coordinates straightening with push rod 6.
The preferred embodiment of the present embodiment is, described driving mechanism comprises hydraulic pump 5 and the extending cylinder 4 by hydraulic pump 5 fuel feeding, and the piston of extending cylinder 4 is connected with push rod 6.
The another preferred embodiment of the present embodiment is, described body 2 in a tubular form, is provided with opening on body 2, and described coiled tubing treats that straightening section 7 is positioned at body, coordinates straightening by opening part with push rod.
The another preferred embodiment of the present embodiment is, described position-limit mechanism comprises two rollers 3, and described two rollers 3 are symmetricly set on body 2, and distance between capable of regulating two rollers and change the different size of roller.
The another preferred embodiment of the present embodiment is that described standpipe head is union button.
In order to reduce hand labor intensity, to improve the safety factor of operation, and avoid the straightening inefficiency causing because choosing of Lever Blocks fixed point is limited, designed coiled tubing straightening device for this reason.The utility model utilizes hydraulic pump to extending cylinder fuel feeding, and under the effect of hydraulic pressure, fluid cylinder inner carrier promotes push rod, and push rod is oppressed bending oil pipe to fuel cut-off after desired location, voltage stabilizing certain hour.If need the coiled tubing of straightening longer, sectional carries out.Change the roller of different size, the direction of adjusting body and interior roller to the distance between extending cylinder, can realize the straightening work of the coiled tubing of different size, bending direction and radian.
Embodiment 2
Referring to accompanying drawing, the present embodiment is made up of standpipe head 1, body 2, roller 3, extending cylinder 4 and hydraulic pump 5.
Standpipe head 1 button-type belongs to union button, is fixed on standpipe or preventer.Transferring coiled tubing enters in body 2 by standpipe head, adjusting union button direction makes extending cylinder 4 just to tubing bending outside, move up and down roller 3 and make the crooked radian of distance between itself and extending cylinder 4 and this section of oil pipe corresponding, carry out spacing to oil pipe simultaneously.Hydraulic pump 5 is to extending cylinder 4 fuel feeding, and under the effect of hydraulic pressure, fluid cylinder inner carrier promotes push rod, and push rod is oppressed bending oil pipe to fuel cut-off after desired location, after voltage stabilizing certain hour, can instead play hydraulic pump pressure release.If the coiled tubing of straightening is longer, need segmentation to carry out, continue to transfer coiled tubing and repeat above action.
Claims (5)
1. a coiled tubing straightening device, it is characterized in that: comprise body (2), standpipe head (1), driving mechanism and push rod (6), described standpipe head (1) is arranged on body (2) upper end for being connected with standpipe or preventer, body (2) lower end is fixed end, body is provided with the position-limit mechanism for supporting coiled tubing on (2), and described driving mechanism is connected drive push rod (6) and treats that with coiled tubing straightening section (7) coordinates straightening with push rod (6).
2. coiled tubing straightening device according to claim 1, is characterized in that: described driving mechanism comprises hydraulic pump (5) and the extending cylinder (4) by hydraulic pump (5) fuel feeding, and the piston of extending cylinder (4) is connected with push rod (6).
3. coiled tubing straightening device according to claim 1 and 2, it is characterized in that: described body (2) in a tubular form, body is provided with opening on (2), and described coiled tubing treats that straightening section (7) is positioned at body, coordinates straightening by opening part with push rod (6).
4. coiled tubing straightening device according to claim 3, is characterized in that: described position-limit mechanism comprises two rollers (3), described two rollers (3) are symmetricly set on body (2).
5. according to the coiled tubing straightening device described in claim 1,2 or 4, it is characterized in that: described standpipe head is union button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210022.6U CN203822224U (en) | 2014-04-28 | 2014-04-28 | Coiled tubing straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210022.6U CN203822224U (en) | 2014-04-28 | 2014-04-28 | Coiled tubing straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822224U true CN203822224U (en) | 2014-09-10 |
Family
ID=51477737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210022.6U Expired - Lifetime CN203822224U (en) | 2014-04-28 | 2014-04-28 | Coiled tubing straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687168A (en) * | 2018-05-16 | 2018-10-23 | 山东科瑞机械制造有限公司 | A kind of coiled tubing roller type apparatus for correcting |
| US10995563B2 (en) | 2017-01-18 | 2021-05-04 | Minex Crc Ltd | Rotary drill head for coiled tubing drilling apparatus |
-
2014
- 2014-04-28 CN CN201420210022.6U patent/CN203822224U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10995563B2 (en) | 2017-01-18 | 2021-05-04 | Minex Crc Ltd | Rotary drill head for coiled tubing drilling apparatus |
| US11136837B2 (en) | 2017-01-18 | 2021-10-05 | Minex Crc Ltd | Mobile coiled tubing drilling apparatus |
| CN108687168A (en) * | 2018-05-16 | 2018-10-23 | 山东科瑞机械制造有限公司 | A kind of coiled tubing roller type apparatus for correcting |
| CN108687168B (en) * | 2018-05-16 | 2023-08-15 | 山东科瑞油气装备有限公司 | Roller type correcting device for continuous oil pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |