CN113898310A - Suspension device for coiled tubing - Google Patents
Suspension device for coiled tubing Download PDFInfo
- Publication number
- CN113898310A CN113898310A CN202111206659.9A CN202111206659A CN113898310A CN 113898310 A CN113898310 A CN 113898310A CN 202111206659 A CN202111206659 A CN 202111206659A CN 113898310 A CN113898310 A CN 113898310A
- Authority
- CN
- China
- Prior art keywords
- inboard
- coiled tubing
- jackscrew
- adjusting rod
- connection
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/0422—Casing heads; Suspending casings or tubings in well heads a suspended tubing or casing being gripped by a slip or an internally serrated member
Abstract
The invention relates to the technical field of suspension, in particular to a suspension device for a coiled tubing, which comprises a body, wherein an oil tube is connected to the inner side of the body in a penetrating manner, a centralizing sleeve is fixedly connected to the inner wall of the body, an adjusting rod is connected to the inner side of the body, a threaded sleeve is sleeved on the surface of the adjusting rod, a supporting assembly is connected to the inner side of the body, slips are connected to the inner side of the supporting assembly in a sliding manner, a packing assembly is connected to the inner side of the body, a jackscrew is fixedly connected to the surface of the inner side of the body, and a jackscrew is connected to the lower surface of the adjusting rod. The invention does not need a conversion flange of a common hanger, reduces the manufacturing cost, can reduce the heights of the hanger and the gas production tree, simplifies the installation process, increases the safety, reduces the field installation time, reduces the labor intensity and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of suspension, in particular to a suspension device for a coiled tubing.
Background
The coiled tubing is a tubing made of low-carbon alloy steel, has good flexibility, is also called as flexible tubing, has no joint, can realize snubbing operation, is commonly used for a velocity string, and the suspension technology of the coiled tubing at a wellhead is the core of the velocity string technology of the coiled tubing.
The common hanger mainly comprises a hanger body, a sealing packing, a slip seat, slips, a jackscrew, a conversion flange and the like, wherein before operation, a packing assembly and the slip seat are firstly placed in the hanger body, the conversion flange is not installed during operation, an operation window is used for operation, and after the jackscrew excites the packing seat to seal, the slips are put into the operation window; after cutting off coiled tubing, install again, right cover and conversion flange etc. installation steps are loaded down with trivial details, and the installation is complicated, and operating personnel's intensity of labour is big, consequently need to design a suspension device for using coiled tubing to solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to provide a suspension device for a coiled tubing, which aims to solve the problems of complicated installation steps, complex installation process and high labor intensity of operators in the background art.
In order to achieve the above object, the present invention provides a technical solution,
the utility model provides a with linkage for coiled tubing, includes the body, the inboard through connection of body has oil to manage, the cover is right to the inner wall fixedly connected with of body, the inboard of body is connected with adjusts the pole, the swivel nut has been cup jointed on the surface of adjusting the pole, the inboard of body is connected with supporting component, supporting component's inboard sliding connection has the slips, the inboard of body is connected with the packing subassembly, the inboard fixed surface of body is connected with the jackscrew, the lower surface of adjusting the pole is connected with the jackscrew.
Preferably, the oil pipe is long and penetrates through the inner side of the body, and the centralizing sleeve is distributed on the inner wall of the body in a circular ring shape.
Preferably, the adjusting rod is connected to the inner side of the body in a long rod shape, the adjusting rod is connected to two sides of the body in two groups, and the threaded sleeve and the adjusting rod are correspondingly connected.
Preferably, the supporting component is fixedly connected to the inner wall of the body, the slips are connected with the supporting component in a sliding mode, and the surface of each slip is in an arc shape.
Preferably, one side surface of the slip is vertically abutted and connected with the oil pipe, and the other side surface of the slip is in an inclined shape and is abutted and connected with the adjusting rod.
Preferably, the packing subassembly is the heliciform, one side of packing subassembly is connected in the inboard of body, the opposite side and the oily pipe of packing subassembly are closed and are connected, the jackscrew corresponds to be connected on the surface of adjusting the pole, the jackscrew passes through the screw thread and adjusts the pole rotation and connect.
Compared with the prior art, the invention has the beneficial effects that:
1. the gas production tree hanging device has the advantages that a conversion flange of a common hanger is not needed, the manufacturing cost is reduced, the heights of the hanger and the gas production tree can be reduced, the installation process is simplified, the safety is improved, the field installation time is shortened, the labor intensity is reduced, and the operation is convenient.
Drawings
FIG. 1 is a schematic view in partial cross-section of the invention in elevation view;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic top cross-sectional view of the structure of the present invention;
in the figure: 1. a body; 2. a tube for oil; 3. a centralizing sleeve; 4. adjusting a rod; 5. a threaded sleeve; 6. a support assembly; 7. slips; 8. a packing assembly; 9. and (5) jacking the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown:
the utility model provides a use linkage for coiled tubing, which comprises a body 1, the inboard through connection of body 1 has oil to use pipe 2, the inner wall fixedly connected with of body 1 rights cover 3, the inboard of body 1 is connected with adjusts pole 4, adjust the surface of pole 4 and cup jointed swivel nut 5, the inboard of body 1 is connected with supporting component 6, supporting component 6's inboard sliding connection has slips 7, the inboard of body 1 is connected with packing subassembly 8, the inboard fixed surface of body 1 is connected with jackscrew 9, adjust pole 4 surface connection jackscrew 9, through the connection of oil pipe 2 and body 1, under the effect of body 1, support oil pipe 2, through the connection of jackscrew 9, be convenient for change the hookup location of slips 7 in body 1, the realization is to the connection butt of oil pipe 2 in body 1.
Further, the oil pipe 2 is the inboard that the long tubular runs through body 1, and the cover 3 of righting is the ring shape and distributes on the inner wall of body 1, through the effect of oil pipe 2, realizes the continuity of operation to the oil well, under the connection of body 1 and oil pipe 2, is convenient for to the support of oil pipe 2.
Further, adjust pole 4 and be the inboard of stock form connection at body 1, adjust pole 4 and be two sets of both sides of connecting at body 1, swivel nut 5 with adjust pole 4 and correspond the connection, through adjusting the connection of pole 4 and swivel nut 5, under the effect of adjusting pole 4, be convenient for to the oil with the pipe 2 fixed in the connection of body 1, through the effect of righting cover 3, be convenient for support and adjust the hookup location of oil with the pipe 2 in body 1.
Further, supporting component 6 fixed connection is on the inner wall of body 1, slips 7 and supporting component 6 sliding connection, and the surface of slips 7 is arc shape, through the connection of supporting component 6 and slips 7, under the joint of closing of slips 7 and oil pipe 2, through the effect of adjusting pole 4, is convenient for change the position of slips 7 in supporting component 6, and then realizes closing fixedly between slips 7 and oil pipe 2.
Furthermore, one side surface of the slip 7 is vertically abutted with the oil pipe 2, the other side surface of the slip 7 is inclined and abutted with the adjusting rod 4, the slip of the slip 7 in the body 1 is realized, the change of the position of the slip 7 in the body 1 is realized under the action of the adjusting rod 4, and the connection position of the adjusting rod 4 in the body 1 is fixed by the connection of the threaded sleeve 5 and the adjusting rod 4.
Further, packing subassembly 8's opposite side and oily for pipe 2 butt joint, jackscrew 9 corresponds to be connected at the inboard surface of adjusting pole 4, jackscrew 9 passes through the screw and adjusts pole 4 and rotate the connection, through the connection of packing subassembly 8 and body 1, under packing subassembly 8's effect, to the joint support of oily for pipe 2 in body 1, under the effect of jackscrew 9, change the hookup location of adjusting lever 4 in body 1, and then realize controlling the distance of being connected between adjusting lever 4 and slips 7.
The working principle is as follows: before operation, the packing component 8 and the supporting component 6 are firstly placed in the body 1, operation is carried out by using the operation window, after the packing is triggered to be seated, the slips 7 are thrown in through the operation window, then the centralizing sleeve 3 is installed, the difference between the outer diameter of the oil pipe 2 and the nominal size of the Christmas tree is not less than 1in, namely, the thickness of the packing component 8 and the supporting component 6 is not less than 0.5in, the normal functions of the packing component 8 and the supporting component 6 can be realized, the height of the centralizing sleeve 3 is controlled to be more than 20mm lower than the height of a valve plate of a main valve of a Christmas tree, the centralizing sleeve 3 is ensured not to be interfered with the main valve, sealing rings are arranged inside and outside the centralizing sleeve 3, the working environment of the slips 7 can be made substantially non-contact with the well medium, corrosion of the slips 7 is prevented, when the adjusting rod 4 is rotated, under the action of the jackscrew 9, the adjusting rod 4 controls the position of the slip 7 in the supporting component 6, and the threaded sleeve 5 fixes the position of the adjusting rod 4 in the body 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a with linkage for coiled tubing, includes body (1), its characterized in that: the inboard through connection of body (1) has oil to use pipe (2), the inner wall fixedly connected with of body (1) rights cover (3), the inboard of body (1) is connected with adjusts pole (4), the swivel nut (5) have been cup jointed on the surface of adjusting pole (4), the inboard of body (1) is connected with supporting component (6), the inboard sliding connection of supporting component (6) has slips (7), the inboard of body (1) is connected with packing subassembly (8), the inboard fixed surface of body (1) is connected with jackscrew (9), the surface of adjusting pole (4) is connected with jackscrew (9).
2. The coiled tubing hanger of claim 1, wherein: the oil pipe (2) is long and penetrates through the inner side of the body (1), and the centralizing sleeve (3) is distributed on the inner wall of the body (1) in a circular ring shape.
3. The coiled tubing hanger of claim 1, wherein: the adjusting rod (4) is in a long rod shape and is connected to the inner side of the body (1), the adjusting rod (4) is in two groups and is connected to the two sides of the body (1), and the threaded sleeve (5) and the adjusting rod (4) are correspondingly connected.
4. The coiled tubing hanger of claim 1, wherein: the supporting component (6) is fixedly connected to the inner wall of the body (1), the slips (7) is in sliding connection with the supporting component (6), and the surface of the slips (7) is arc-shaped.
5. The coiled tubing hanger of claim 1, wherein: one side surface of the slip (7) is vertically abutted and connected with the oil pipe (2), and the other side surface of the slip (7) is in an inclined shape and is abutted and connected with the adjusting rod (4).
6. The coiled tubing hanger of claim 1, wherein: packing subassembly (8) are the heliciform, the inboard in body (1) is connected to one side of packing subassembly (8), the opposite side and the oily pipe (2) of packing subassembly (8) are to closing the connection, jackscrew (9) correspond the connection on the surface of adjusting pole (4), jackscrew (9) rotate the connection through screw thread and regulation pole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206659.9A CN113898310A (en) | 2021-10-18 | 2021-10-18 | Suspension device for coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206659.9A CN113898310A (en) | 2021-10-18 | 2021-10-18 | Suspension device for coiled tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898310A true CN113898310A (en) | 2022-01-07 |
Family
ID=79192522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111206659.9A Pending CN113898310A (en) | 2021-10-18 | 2021-10-18 | Suspension device for coiled tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113898310A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515925A (en) * | 1994-09-19 | 1996-05-14 | Boychuk; Randy J. | Apparatus and method for installing coiled tubing in a well |
| CN203050597U (en) * | 2013-01-15 | 2013-07-10 | 宝鸡市赛孚石油机械有限公司 | Suspension device of coiled tubing |
| CN204040964U (en) * | 2014-07-31 | 2014-12-24 | 杭州海勒科技有限公司 | A kind of coiled tubing suspension arrangement |
| CN207568541U (en) * | 2017-10-30 | 2018-07-03 | 什邡慧丰采油机械有限责任公司 | A kind of continuous tubing hanger |
| CN109458153A (en) * | 2018-11-30 | 2019-03-12 | 中国海洋石油集团有限公司 | A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever |
| CN111364936A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Speed tubular column sealing suspension device with auxiliary sealing and sealing method |
| CN216043621U (en) * | 2021-10-18 | 2022-03-15 | 北京中海沃邦能源投资有限公司石楼分公司 | Hanging tool for coiled tubing |
-
2021
- 2021-10-18 CN CN202111206659.9A patent/CN113898310A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515925A (en) * | 1994-09-19 | 1996-05-14 | Boychuk; Randy J. | Apparatus and method for installing coiled tubing in a well |
| CN203050597U (en) * | 2013-01-15 | 2013-07-10 | 宝鸡市赛孚石油机械有限公司 | Suspension device of coiled tubing |
| CN204040964U (en) * | 2014-07-31 | 2014-12-24 | 杭州海勒科技有限公司 | A kind of coiled tubing suspension arrangement |
| CN207568541U (en) * | 2017-10-30 | 2018-07-03 | 什邡慧丰采油机械有限责任公司 | A kind of continuous tubing hanger |
| CN109458153A (en) * | 2018-11-30 | 2019-03-12 | 中国海洋石油集团有限公司 | A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever |
| CN111364936A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Speed tubular column sealing suspension device with auxiliary sealing and sealing method |
| CN216043621U (en) * | 2021-10-18 | 2022-03-15 | 北京中海沃邦能源投资有限公司石楼分公司 | Hanging tool for coiled tubing |
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