CN204492682U - The surface line connecting short section that direction is adjustable - Google Patents
The surface line connecting short section that direction is adjustable Download PDFInfo
- Publication number
- CN204492682U CN204492682U CN201520135315.7U CN201520135315U CN204492682U CN 204492682 U CN204492682 U CN 204492682U CN 201520135315 U CN201520135315 U CN 201520135315U CN 204492682 U CN204492682 U CN 204492682U
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- CN
- China
- Prior art keywords
- pipe nipple
- described upper
- inwall
- ball base
- upper shell
- 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.)
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Abstract
The utility model discloses the surface line connecting short section that a kind of direction is adjustable, the lower end of upper pipe nipple is fixedly connected with the upper end of upper shell, and the inwall of upper shell is formed with first step, and upper ball base is sitting in first step coordinates to be formed with the inwall of upper pipe nipple and seals; The lower end inwardly protruding of lower house forms a flange, the upper end of the outer wall of lower pipe nipple is a spherical outside surface, the lower end of the inwall of upper ball base and the inwall of flange are the Internal Spherical Surface coordinating with spherical outside surface and formed and seal, rotate while lower pipe nipple is sealed between upper ball base and extremely and between upper pipe nipple form predetermined angle, lower house is inserted in lower pipe nipple, is pressed in the Internal Spherical Surface of upper ball base by the downside of spherical outside surface by lower pipe nipple from the lower end of lower pipe nipple, the inwall of lower house coordinates to be formed with the outer wall of upper shell and seals, and is threaded connection between lower house and upper shell.Surface line connecting short section in the utility model is easy to connect, it is adjustable to seal reliable direction.
Description
Technical field
The utility model relates to oil drilling equipment field, the surface line connecting short section adjustable in particular to a kind of direction.
Background technology
Pipeline used in drillng operation has metal hard tube and wrapping wire flexible pipe two class, and relief line and sediment outflow pipeline are metal hard tube.In conventional drilling process, drilling fluid returns out from well head, enters solid controlling system by mud ditch, then enters slurry tank and again circulates; When boring chance high pressure formation and occurring that the situations such as well kick blowout cause well head pressure to enlarge markedly, closing well is needed to adopt relief line to carry out pressure release.Still there is certain altitude on swivel control head distance ground owing to adopting in gas drilling, erection high up in the air is needed from swivel control head sediment outflow pipeline out, then slowly ground is dropped to, finally extend in sediment outflow hole, so that will return out smoothly gas and landwaste is discharged into during sediment outflow cheats, but often due to well location not just, swivel control head lifting installs obstruction that is unreasonable and derrick bottom support, the trend of this sediment outflow pipeline often needs a bending space angle.This kind of metal hard tube pipeline general latus rectum size is large, fluid pressure is low, crooking ability is not enough, and on-the-spot pipeline is installed the normal mode adopting steering block or on-site cutting pipeline to weld again and solved temporarily, adds surface line installation difficulty and inconvenience.
Utility model content
Technical problem to be solved in the utility model is, provide a kind of easy to connect, seal the adjustable surface line connecting short section in reliable direction.
Therefore, the technical solution of the utility model is as follows:
The surface line connecting short section that direction is adjustable, comprises pipe nipple, upper shell, upper ball base, lower house and lower pipe nipple, wherein:
The lower end of described upper pipe nipple is fixedly connected with the upper end of described upper shell, and the inwall of described upper shell is formed with first step, and described upper ball base is sitting in described first step coordinates to be formed with the inwall of described upper pipe nipple and seals;
The lower end inwardly protruding of described lower house forms a flange, the upper end of the outer wall of described lower pipe nipple is a spherical outside surface, the lower end of the inwall of described upper ball base and the inwall of described flange are and coordinate with described spherical outside surface the Internal Spherical Surface being formed and seal, rotate while described lower pipe nipple is sealed between described upper ball base to and described on form predetermined angle between pipe nipple, described lower house is inserted in described lower pipe nipple from the lower end of described lower pipe nipple, by the downside of described spherical outside surface, described lower pipe nipple is pressed in the Internal Spherical Surface of described upper ball base, the inwall of described lower house coordinates to be formed with the outer wall of described upper shell and seals, be threaded connection between described lower house and described upper shell.
In this technical scheme, this pipe nipple overall structure is simple, easy accessibility, constructability; By the lower pipe nipple angle of bend of lower house restriction, guarantee sealing reliability, safety is good.
Further, on the inwall of described upper shell, the upside of described upper ball base is also formed with second step, is provided with disc spring group between described upper ball base and described second step.In in this technical scheme, the drilling circulation medium of different pressures by time different to the lower pipe nipple impact force under case of bending, what upper ball base can be slight under the effect of upper folded spring group moves axially, and guarantees that upper sphere, lower peripheral surface contact with the sealing of ball core.
Fixed by multiple screw between described upper pipe nipple and described upper shell, simple and reliable.
In order to ensure sealing better, metal ring for sealing is set between pipe nipple and described upper shell on described, first sealing ring is set between the upper end of described upper shell and described lower house, second sealing ring is set between the lower end of described upper shell and described lower house, the 3rd sealing ring is set between described upper ball base and the inwall of described upper shell.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation according to the adjustable surface line connecting short section in the direction of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in the figures 1 and 2, the surface line connecting short section adjustable according to the direction of embodiment of the present utility model, comprises pipe nipple 1, upper shell 6, upper ball base 8, lower house 11 and lower pipe nipple 14, wherein:
The lower end of described upper pipe nipple 1 is fixedly connected with the upper end of described upper shell 6, and the inwall of described upper shell 6 is formed with first step 61, and described upper ball base 8 is sitting in described first step 61 coordinates to be formed with the inwall of described upper pipe nipple 1 and seals;
The lower end inwardly protruding of described lower house 11 forms a flange 18, the upper end of the outer wall of described lower pipe nipple 14 is a spherical outside surface, the lower end of the inwall of described upper ball base 8 and the inwall of described flange 18 are and coordinate with described spherical outside surface the Internal Spherical Surface being formed and seal, rotate while described lower pipe nipple 14 can be sealed between described upper ball base 8 to and described on form predetermined angle between pipe nipple 1, described lower house 11 is inserted in described lower pipe nipple 14 from the lower end of described lower pipe nipple 14, by the downside of described spherical outside surface, described lower pipe nipple 14 is pressed in the Internal Spherical Surface of described upper ball base 8, the inwall of described lower house 6 coordinates to be formed with the outer wall of described upper shell 6 and seals, be threaded connection between described lower house 11 and described upper shell 6.
In this technical scheme, this pipe nipple overall structure is simple, easy accessibility, constructability; Limit lower pipe nipple 14 angle of bend by lower house 10, guarantee sealing reliability, safety is good.
Further, on the inwall of described upper shell 6, the upside of described upper ball base 8 is also formed with second step 62, is provided with disc spring group 5 between described upper ball base 8 and described second step 62.In in this technical scheme, the drilling circulation medium of different pressures by time different to lower pipe nipple 14 impact force under case of bending, upper ball base 8 can be slight under the effect of upper folded spring group 4 move axially, guarantee upper sphere 10, lower peripheral surface 13 contact with the sealing of ball core 12.
Fixed by multiple screw 2 between described upper pipe nipple 1 and described upper shell 6, simple and reliable.
In order to ensure sealing better, metal ring 3 for sealing is set between pipe nipple 1 and described upper shell 6 on described, between the upper end and described lower house 11 of described upper shell 6, the first sealing ring 4 is set, second sealing ring 9 is set between the lower end and described lower house 11 of described upper shell 6, the 3rd sealing ring 7 is set between described upper ball base 8 and the inwall of described upper shell 6.
The surface line connecting short section that direction in the utility model is adjustable, upper pipe nipple 1 is connected with the upstream and downstream pipeline of existing drilling well respectively with lower pipe nipple 14, upper pipe nipple 1 and lower pipe nipple 14 can be needed to be converted into certain angle according to in-site installation.Lower house 11 and upper shell 6 be threaded connection fastening, realized sealing by the first sealing ring 4 and the second sealing ring 9, the fastening lower peripheral surface 13 by lower house 11 of screw thread acts on the ball core 12 of lower pipe nipple 14, guarantee lower pipe nipple 14 with the centre of sphere of ball core 12 be benchmark, rotate any permission angle time, ball core 12 contacts with the metallic spheric surface of upper sphere 10, lower peripheral surface 13 respectively and seals.
The drilling circulation medium returned out from well head can according to this by the hydrophthalmia in upper pipe nipple 1, upper shell 6, upper folded spring group 5, upper ball base 8 and lower pipe nipple 14; Equally, the drilling circulation medium that well head returns out also can be flowed by the hydrophthalmia in lower pipe nipple 14, upper ball base 8, upper folded spring group 5, upper shell 6 and upper pipe nipple 1 according to this.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (7)
1. the surface line connecting short section that direction is adjustable, is characterized in that, comprises pipe nipple (1), upper shell (6), upper ball base (8), lower house (11) and lower pipe nipple (14), wherein:
The lower end of described upper pipe nipple (1) is fixedly connected with the upper end of described upper shell (6), the inwall of described upper shell (6) is formed with first step (61), described upper ball base (8) be sitting in described first step (61) upper coordinate to be formed with the inwall of described upper pipe nipple (1) seal;
The lower end inwardly protruding of described lower house (11) forms a flange (18), the upper end of the outer wall of described lower pipe nipple (14) is a spherical outside surface, the lower end of the inwall of described upper ball base (8) and the inwall of described flange (18) are and coordinate with described spherical outside surface the Internal Spherical Surface being formed and seal, rotate while described lower pipe nipple (14) can be sealed between described upper ball base (8) and extremely and between described upper pipe nipple (1) form predetermined angle, described lower house (11) is inserted in described lower pipe nipple (14) from the lower end of described lower pipe nipple (14), by the downside of described spherical outside surface, described lower pipe nipple (14) is pressed in the Internal Spherical Surface of described upper ball base (8), the inwall of described lower house (6) coordinates to be formed with the outer wall of described upper shell (6) and seals, be threaded connection between described lower house (11) and described upper shell (6).
2. the surface line connecting short section that direction according to claim 1 is adjustable, it is characterized in that, on the inwall of described upper shell (6), the upside of described upper ball base (8) is also formed with second step (62), is provided with disc spring group (5) between described upper ball base (8) and described second step (62).
3. the surface line connecting short section that direction according to claim 1 and 2 is adjustable, is characterized in that, is fixed between described upper pipe nipple (1) and described upper shell (6) by multiple screw (2).
4. the surface line connecting short section that direction according to claim 1 and 2 is adjustable, is characterized in that, is also provided with the metal ring (3) for sealing between described upper pipe nipple (1) and described upper shell (6).
5. the surface line connecting short section that direction according to claim 1 and 2 is adjustable, is characterized in that, is also provided with the first sealing ring (4) between the upper end of described upper shell (6) and described lower house (11).
6. the surface line connecting short section that direction according to claim 1 and 2 is adjustable, is characterized in that, is also provided with the second sealing ring (9) between the lower end of described upper shell (6) and described lower house (11).
7. the surface line connecting short section that direction according to claim 1 and 2 is adjustable, is characterized in that, is also provided with the 3rd sealing ring (7) between the inwall of described upper ball base (8) and described upper shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135315.7U CN204492682U (en) | 2015-03-10 | 2015-03-10 | The surface line connecting short section that direction is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135315.7U CN204492682U (en) | 2015-03-10 | 2015-03-10 | The surface line connecting short section that direction is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492682U true CN204492682U (en) | 2015-07-22 |
Family
ID=53572004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520135315.7U Expired - Fee Related CN204492682U (en) | 2015-03-10 | 2015-03-10 | The surface line connecting short section that direction is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204492682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382103A (en) * | 2016-11-21 | 2017-02-08 | 中国石油集团川庆钻探工程有限公司 | Gas drilling pipe collecting system capable of realizing universal adjustment of angle |
| CN106437579A (en) * | 2016-11-21 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司 | Radial azimuth stepless adjustment for gas drilling manifold |
-
2015
- 2015-03-10 CN CN201520135315.7U patent/CN204492682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382103A (en) * | 2016-11-21 | 2017-02-08 | 中国石油集团川庆钻探工程有限公司 | Gas drilling pipe collecting system capable of realizing universal adjustment of angle |
| CN106437579A (en) * | 2016-11-21 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司 | Radial azimuth stepless adjustment for gas drilling manifold |
| CN106437579B (en) * | 2016-11-21 | 2019-05-10 | 中国石油集团川庆钻探工程有限公司 | Gas drilling manifold radial orientation angle stepless angle adjusting mechanism |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210128 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office 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: 20150722 |