CN109915045A - Light maintenance operation well liquid controling pipe line matches oily rotatory sealing technique and device - Google Patents
Light maintenance operation well liquid controling pipe line matches oily rotatory sealing technique and device Download PDFInfo
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- CN109915045A CN109915045A CN201711327323.1A CN201711327323A CN109915045A CN 109915045 A CN109915045 A CN 109915045A CN 201711327323 A CN201711327323 A CN 201711327323A CN 109915045 A CN109915045 A CN 109915045A
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- outer housing
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Abstract
The invention discloses light maintenance operation well liquid controling pipe lines to match oily rotatory sealing technique and device, device includes rotary central body, outer housing, the rotary central body is arranged in outer enclosure interior, and relative rotation is generated with outer housing, the rotary central body offers hydraulic oil temporary storage cavity, and the oil inlet and oil return opening of hydraulic oil are offered on the outer housing;It is sealing state between the rotary central body and outer housing.Bearing is set between the rotary central body and outer housing, and the two passes through bearing relative rotation.Rotating seal is combined in setting between the rotary central body and outer housing.The present invention and crossbeam card pipe device, loading hydraulic cylinder are with the use of the hydraulic control clamping rotation rountrip for realizing tubing string.The limitation due to pipeline is avoided so that the problem of pipe clamping device can not rotate.
Description
Technical field
The present invention relates to oil field construction operation equipment, specifically light maintenance operation well liquid controling pipe line matches oily rotatory sealing work
Skill and device.
Background technique
When oil field carries out General Maintenance operation, since geology and technique require to need to carry out brill plug, set milling and salvage to apply
Work, implement bore plug, set milling and fishing process be required to tubing string sealing rotation and load remove, especially there is pressure in shaft bottom
Well bores plug and not only wants rotatory sealing oil jacket annulus in the process, it is also necessary to which clamping device clamping tubing string overcomes the upper top power in well to do
Rotation removes movement.
Realize that tubing string rountrip with pressure generallys use the transverse beam type pipe clamping device in Operating Pressure equipment and realizes, but the dress
Set is to be moved up and down using hydraulic control system clamping tubing string, and liquid controling pipe line is not revolvable when working, therefore cross beam type card
Pipe device not can be carried out rotation and remove movement.
By keywords such as retrieval liquid controling pipe line, rotatory sealings, similar techniques are not found.
Summary of the invention
The purpose of the present invention is to provide light maintenance operation well liquid controling pipe lines to match oily rotatory sealing technique and device, it and crossbeam
Card pipe device, loading hydraulic cylinder are with the use of the hydraulic control clamping rotation rountrip for realizing tubing string.
In order to achieve the above objectives, present invention employs following technical solutions, and light maintenance operation well liquid controling pipe line is with oil rotation
Sealing device, including rotary central body, outer housing, the rotary central body are arranged in outer enclosure interior, and generate with outer housing
Relative rotation, the rotary central body offer hydraulic line;It is sealing state between the rotary central body and outer housing.
Bearing is set between the rotary central body and outer housing, and the two passes through bearing relative rotation.
The bearing includes first bearing, second bearing, 3rd bearing, the rotary central body outer circumferential walls and outer housing
Second bearing is set between inner wall, the rotary central body upper end setting extends out edge, extend out edge lower end surface and outer housing it
Between first bearing is set, expanding sloping platform rank is arranged in the outer housing inner wall, and the is arranged between expanding sloping platform rank and rotary central body
Three bearings.
Rotating seal is combined in setting between the rotary central body and outer housing.
Bearing pressure cap is set below the 3rd bearing, and O-ring is arranged in bearing pressure cap outer wall.
The outer housing is equipped with hydraulic oil oil inlet and oil return opening;The rotary central body is equipped with cavity, is hydraulic
The temporary storage cavity of oil, temporary storage cavity are communicated with the hydraulic line of crossbeam pipe clamping device, and temporary storage cavity also connects with hydraulic oil oil inlet and oil return opening
It is logical.
The outer housing is connect by bolt with pedestal, fixed;The center of the rotary central body is center chamber, in
The chambers of the heart installs tubing string, and rotary central body rotates together with tubing string.
In order to achieve the above objectives, present invention employs following technical solutions, and light maintenance operation well liquid controling pipe line is with oil rotation
Sealing technology has hydraulic oil temporary storage cavity in the rotation center body, passes through oil inlet and oil return opening and hydraulic power source on outer housing
Connection, outer housing is connect by bolt with other component, fixed;Rotary central body passes through to be connected between bearing and outer housing,
And tubing string can be followed to be rotated, while hydraulic oil being rotated and upgraded into the hydraulic line of pipe clamping device, guarantee pipe clamping device just
Often work.
Compared to the prior art, the invention has the following advantages:
Rotary central body by being connected between first bearing, second bearing, 3rd bearing and outer housing, and can follow tubing string into
Row rotation, while hydraulic oil being rotated and upgraded into the hydraulic line of pipe clamping device, guarantee the normal work of pipe clamping device.By hydraulic oil
Temporary storage cavity is built in rotation center body, realizes the rotatory sealing of hydraulic oilhole.The limitation due to pipeline is avoided so that card pipe
The problem of device can not rotate.Hydraulic oil rotation is transported to upper beam card pipe using rotary central body, combination rotating seal
In the hydraulic line of device, to realize the rotation rountrip of pipe clamping device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that light maintenance operation well liquid controling pipe line matches oily rotary sealing appts.
In figure: 1- rotary central body, 2- first bearing, 3- second bearing, 4- combination rotating seal, 5- 3rd bearing,
6- bearing pressure cap, 7- outer housing, 8-O type circle, 9- temporary storage cavity, 10- hydraulic line, 11- hydraulic oil oil inlet, 12- hydraulic oil return
Hydraulic fluid port.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to and say
It is bright to be used, it is not intended to limit the present invention.
As shown in Fig. 1, light maintenance operation well liquid controling pipe line matches oily rotary sealing appts, including rotary central body 1, outer housing
7, the rotary central body is arranged in outer enclosure interior, and generates relative rotation with outer housing, and the rotary central body offers
Hydraulic oil temporary storage cavity 9, the outer housing offer hydraulic oil oil inlet 11 and oil return opening 12;The rotary central body and outer housing
Between be sealing state.
Bearing is set between the rotary central body and outer housing, and the two passes through bearing relative rotation.
The bearing includes first bearing 2, second bearing 3,3rd bearing 5, rotary central body outer circumferential walls and outer
Second bearing is set between inner walls, and the rotary central body upper end setting extends out edge, extends out edge lower end surface and shell
First bearing is set between body, and the outer housing inner wall is arranged expanding sloping platform rank, sets between expanding sloping platform rank and rotary central body
Set 3rd bearing.
Rotating seal 4 is combined in setting between the rotary central body and outer housing.
Bearing pressure cap 6 is set below the 3rd bearing, and o type circle 8 is arranged in bearing pressure cap outer wall.
The outer housing is connect by bolt with pedestal, fixed;The center of the rotary central body is center chamber, in
The chambers of the heart installs tubing string, and rotary central body rotates together with tubing string.
There is hydraulic oil temporary storage cavity 9 in rotation center body, is connect by the oil inlet 11 on outer housing with oil return opening 12 hydraulic
Source, outer housing is connect by bolt with other component, fixed.Rotary central body passes through first bearing 2, second bearing 3, the
It is connected between three bearings 5 and outer housing, and tubing string can be followed to be rotated, while hydraulic oil rotated and upgraded hydraulic to pipe clamping device
In pipeline 10, guarantee the normal work of pipe clamping device.Hydraulic line is built in rotation center body, the limit due to pipeline is avoided
System is so that the problem of pipe clamping device can not rotate.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit the scope of the patents of the invention, other are with this
The equivalence changes of patent of invention spirit should all belong to the scope of the patents of the invention.
Claims (8)
1. light maintenance operation well liquid controling pipe line matches oily rotary sealing appts, which is characterized in that including rotary central body, outer housing, institute
It states rotary central body to be arranged in outer enclosure interior, and generates relative rotation with outer housing, the rotary central body offers hydraulic
Pipeline;It is sealing state between the rotary central body and outer housing.
2. light maintenance operation well liquid controling pipe line according to claim 1 matches oily rotary sealing appts, which is characterized in that the rotation
Turn that bearing is arranged between centerbody and outer housing, the two passes through bearing relative rotation.
3. light maintenance operation well liquid controling pipe line according to claim 2 matches oily rotary sealing appts, which is characterized in that the axis
It contracts and includes first bearing, second bearing, 3rd bearing, is arranged between the rotary central body outer circumferential walls and outer housing inner wall
Two bearings, the rotary central body upper end setting extend out edge, extend out and first bearing is arranged between edge lower end surface and outer housing,
Expanding sloping platform rank is arranged in the outer housing inner wall, and 3rd bearing is arranged between expanding sloping platform rank and rotary central body.
4. light maintenance operation well liquid controling pipe line according to claim 1 or 2 or 3 matches oily rotary sealing appts, which is characterized in that
Rotating seal is combined in setting between the rotary central body and outer housing.
5. light maintenance operation well liquid controling pipe line according to claim 3 matches oily rotary sealing appts, which is characterized in that described the
Bearing pressure cap is set below three bearings, and O-ring is arranged in bearing pressure cap outer wall.
6. light maintenance operation well liquid controling pipe line according to claim 3 matches oily rotary sealing appts, which is characterized in that described outer
Shell is equipped with hydraulic oil oil inlet and oil return opening;The rotary central body is equipped with cavity, is the temporary storage cavity of hydraulic oil, keeps in
Chamber is communicated with the hydraulic line of crossbeam pipe clamping device, and temporary storage cavity is also connected to hydraulic oil oil inlet and oil return opening.
7. light maintenance operation well liquid controling pipe line according to claim 3 matches oily rotary sealing appts, which is characterized in that described outer
Shell is connect by bolt with pedestal, fixed;The center of the rotary central body is center chamber, and center cavity installs tubing string,
Rotary central body rotates together with tubing string.
8. light maintenance operation well liquid controling pipe line matches oily rotatory sealing technique, which is characterized in that have hydraulic oil in the rotation center body
Temporary storage cavity is connect by the oil inlet on outer housing with oil return opening with hydraulic power source, and outer housing is connect by bolt with other component,
It is fixed;Rotary central body can follow tubing string to be rotated, while hydraulic oil being revolved by connecting between bearing and outer housing
Turn to be promoted in the hydraulic line of pipe clamping device, guarantees the normal work of pipe clamping device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711327323.1A CN109915045B (en) | 2017-12-13 | 2017-12-13 | Rotary sealing process and device for oil distribution of hydraulic control pipeline of minor repair well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711327323.1A CN109915045B (en) | 2017-12-13 | 2017-12-13 | Rotary sealing process and device for oil distribution of hydraulic control pipeline of minor repair well |
Publications (2)
Publication Number | Publication Date |
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CN109915045A true CN109915045A (en) | 2019-06-21 |
CN109915045B CN109915045B (en) | 2022-07-26 |
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Application Number | Title | Priority Date | Filing Date |
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CN201711327323.1A Active CN109915045B (en) | 2017-12-13 | 2017-12-13 | Rotary sealing process and device for oil distribution of hydraulic control pipeline of minor repair well |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2713127Y (en) * | 2004-05-20 | 2005-07-27 | 中国石化胜利油田有限公司桩西采油厂 | Hydraulic totally-enclosing well plugger for minor repair well |
CN202284459U (en) * | 2011-05-12 | 2012-06-27 | 中国石油化工集团公司 | Rotary sealing device for wellhead of oil well |
CN204371150U (en) * | 2015-01-10 | 2015-06-03 | 陈文高 | A kind of hydraulic rotating pipe clamping device |
CN206503583U (en) * | 2017-02-23 | 2017-09-19 | 中石化石油工程技术服务有限公司 | The high-pressure sealed plug that bores uses anti-ejection device |
-
2017
- 2017-12-13 CN CN201711327323.1A patent/CN109915045B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2713127Y (en) * | 2004-05-20 | 2005-07-27 | 中国石化胜利油田有限公司桩西采油厂 | Hydraulic totally-enclosing well plugger for minor repair well |
CN202284459U (en) * | 2011-05-12 | 2012-06-27 | 中国石油化工集团公司 | Rotary sealing device for wellhead of oil well |
CN204371150U (en) * | 2015-01-10 | 2015-06-03 | 陈文高 | A kind of hydraulic rotating pipe clamping device |
CN206503583U (en) * | 2017-02-23 | 2017-09-19 | 中石化石油工程技术服务有限公司 | The high-pressure sealed plug that bores uses anti-ejection device |
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CN109915045B (en) | 2022-07-26 |
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