CN205445494U - Offshore oil field is with thermal -insulated flexible pipe - Google Patents
Offshore oil field is with thermal -insulated flexible pipe Download PDFInfo
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- CN205445494U CN205445494U CN201620175761.5U CN201620175761U CN205445494U CN 205445494 U CN205445494 U CN 205445494U CN 201620175761 U CN201620175761 U CN 201620175761U CN 205445494 U CN205445494 U CN 205445494U
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- torsion
- torque fitting
- moment
- central canal
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Abstract
The utility model discloses an offshore oil field is with thermal -insulated flexible pipe, including top connection and lower clutch, the top connection lower extreme is provided with the thermal -insulated pipe that is connected with the moment of torsion and connects, it is provided with the opening to be provided with the keyhole lower extreme on upward the moment of torsion connects, it connects the center tube that the internal surface key -type connection has the lower extreme to be connected with the lower clutch to go up the moment of torsion, be provided with the pressure cap between center tube and the thermal -insulated pipe, seal cover and wear ring, the moment of torsion connected under the lower clutch upper end was connected with and takes the open -ended, moment of torsion joint and last moment of torsion be provided with down the pipe box between connecting down, lower pipe box, the center tube, the moment of torsion connects and ring cavity of last moment of torsion joint constitution down, be provided with the cable that twines in the center tube outer wall in the ring cavity, the upper and lower both ends head of cable connects the opening part that connects with lower moment of torsion from last moment of torsion respectively and draws forth. The utility model discloses have the function that realizes tubular column transmission moment of torsion, the while keeps warm thermal -insulatedly, and can let the cable remove and stretch out and draw back along with the tubular column safely, is applicable to heat insulation oil pipe heat preservation wax control Y type flow string.
Description
Technical field
This utility model relates to a kind of tubing string, in particular, relates to a kind of heat insulation telescoping tube of offshore oilfield.
Background technology
For the problem solving offshore oilfield waxing in production well wax deposition, heat-insulation and heat-preservation pipe string technology based on insulated tubing is widely adopted, but insulated tubing tubing string overall load is heavier, when causing deblocking cable-passing packer, deblocking power increases, and causes overall tubing string tension safety coefficient less than 1.6.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, it is provided that a kind of heat insulation telescoping tube of offshore oilfield, has the function realizing tubing string transmission moment of torsion, insulation simultaneously, and cable can be allowed to move along with tubing string safely and stretch.
The purpose of this utility model is achieved through the following technical solutions.
nullThe heat insulation telescoping tube of offshore oilfield of the present utility model，Including top connection and lower contact，Described top connection lower end is provided with inner side and connects the instlated tubular having upper torque fitting，Described upper torque fitting upper end is provided with keyhole lower end and is provided with opening，Described upper torque fitting inner surface is bonded and is connected to the central canal that lower end is connected with lower contact，Pressure cap from top to bottom it is disposed with between described central canal and instlated tubular、Sealing shroud and wear ring，Connect outside described lower contact upper end and have the lower torque fitting of upper end band opening，It is provided with lower pipe box between described lower torque fitting and upper torque fitting，Described lower pipe box、Central canal、Lower torque fitting and upper torque fitting collectively form a ring cavity，The cable being wound in central canal outer wall it is provided with in described ring cavity，The two ends up and down of described cable is drawn from the opening part of upper torque fitting and lower torque fitting respectively.
Described instlated tubular is made up of inside and outside sheathed upper pipe box and urceolus, is provided with cenosphere layer between described upper pipe box and urceolus.
Described down tube is overlapped upper and lower two ends and is respectively arranged with upper bush and lower sleeve.
It is provided with shear pin between described upper torque fitting and central canal.
The keyhole quantity of described upper torque fitting sets at least to two.
Compared with prior art, the technical solution of the utility model is had the benefit that
(1), in this utility model, top connection lower end connects instlated tubular, has the function of insulation, thus improves the integral heat insulation effect of heat-insulation and heat-preservation tubing string, meets the requirement that flow string removes safely；
(2) in this utility model, torque fitting it is fixedly installed in instlated tubular, pass through to be bonded in upper torque fitting to be connected to central canal, central canal can move up and down relative to key, during use, when above carrying or transfer tubing string, top connection, instlated tubular and upper moment of torsion volume joint can be driven to move up and down, while compensating displacement, it is possible to reduce the deblocking power of overall tubing string；
(3) the upper and lower two ends of this utility model connect tubing string respectively, when rotating tubing string, drive top connection, instlated tubular and upper torque fitting to rotate, central canal is driven to rotate by the key being attached thereto, realizing the function of transmission moment of torsion, cable rotates also with central canal, is not transmitted by moment of torsion and is affected.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of instlated tubular in Fig. 1.
Fig. 3 is the structural representation of upper torque fitting in Fig. 1.
Fig. 4 is the structural representation of lower torque fitting in Fig. 1.
Fig. 5 is the structural representation of central canal in Fig. 1.
Reference: 1 top connection；2 lower contacts；3 instlated tubulars；Torque fitting on 4；5 keys；6 central canals；7 pressure caps；8 sealing shrouds；9 wear rings；10 times torque fittings；11 upper bushes；12 times pipe boxes；13 lower sleeves；14 cables；15 shear pins；Pipe box on 31；32 urceolus；33 cenosphere layers；
Detailed description of the invention
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, the heat insulation telescoping tube of offshore oilfield of the present utility model, including top connection 1 and lower contact 2, described top connection 1 lower end outside may be configured as short Ya Aike box thread, and described lower contact about 2 two ends can be respectively set to M screw thread and short Ya Aike box thread.Described top connection 1 lower end outside is provided with inner side and connects the instlated tubular 3 having upper torque fitting 4, it is set to short Ya Aike box thread inside described instlated tubular about 3 two ends, described instlated tubular 3 is made up of inside and outside sheathed upper pipe box 31 and urceolus 32, described upper pipe box 31 and urceolus about 32 two ends can be welded together, and be provided with cenosphere layer 33 thus play heat-blocking action between described upper pipe box 31 and urceolus 32.Described instlated tubular about 3 two ends all can be fixed and be connected with top connection 1 and upper torque fitting 4 by screw respectively.
Being set to short Ya Aike box thread in the middle of described upper torque fitting 4 outer wall, for being connected with instlated tubular 3, upper end is provided with keyhole, uniform can be set to two, is connected with central canal 6 by key 5, and lower end is provided with an opening, as the entrance of cable 14.Described upper torque fitting 4 inner surface connects the central canal 6 having lower end to be connected with lower contact 2 by key 5, short Ya Aike box thread is may be configured as outside described central canal about 6 two ends, and outer wall is provided with the keyway corresponding with keyhole, can be connected with upper torque fitting 4 by key 5, described central canal 6 can move up and down relative to key 5, thus realizes stretching motion of the present utility model.Pressure cap 7, sealing shroud 8 and wear ring 9 from top to bottom it is disposed with between described central canal 6 and instlated tubular 3, described sealing shroud 8 can be selected for V group sealing shroud, described sealing shroud 8 can be connected by screw is fixing with central canal 6, is also provided with shear pin 15 between described central canal 6 and upper torque fitting 4.
Connect outside described lower contact 2 upper end and have lower torque fitting 10, can be reinforced by screw between described lower torque fitting 10 and lower contact 2, it is disposed as M screw thread with lower end inside outside described lower torque fitting 10 upper end, described lower torque fitting 10 upper end is provided with an opening, as the outlet of cable 14.Lower pipe box 12 it is provided with between described lower torque fitting 10 and upper torque fitting 4, described lower pipe box 12 lower end inside is provided with M screw thread, fix with lower torque fitting 10 and be connected, described lower pipe box 12 upper end overlaps with upper torque fitting 4 but does not fixes and be connected, and described lower pipe box about 12 two ends can be respectively arranged with upper bush 11 and lower sleeve 13.Described lower pipe box 12, central canal 6, lower torque fitting 10 and upper torque fitting 4 collectively form a ring cavity, the cable 14 being wound in central canal 6 outer wall it is provided with in described ring cavity, the two ends up and down of described cable 14 is drawn from the opening part of upper torque fitting 4 and lower torque fitting 10 respectively, when central canal 6 is stretched, cable 14 is also with flexible.Additionally can add O RunddichtringO between each parts in this utility model and seal as required.
Main assembly program of the present utility model: 1. pressure cap 7, sealing shroud 8, wear ring 9 are assembled with central canal 6；2. described upper torque fitting 4 and central canal 6 are attached by key 5, and ensure that central canal 6 can slide up and down relative to key 5；3. described lower contact 2 is loaded O RunddichtringO, be connected with lower torque fitting 10 by screw thread；4. cable 14 is wound on central canal 6, and install sleeve 11, lower pipe box 12 and lower sleeve 13, wherein, lower sleeve 13 is connected with lower torque fitting 10 by screw thread, lower pipe box 12 is connected with lower torque fitting 10 by screw thread, lower contact 2 being connected with central canal 6 by screw thread, cable about 14 two ends are drawn from the opening part of upper torque fitting 4 and lower torque fitting 10 respectively simultaneously；6. instlated tubular 3 is connected with upper torque fitting 4 by screw thread；7. top connection 1 loads O RunddichtringO, is connected with instlated tubular 3 by screw thread.
Operation principle of the present utility model: during use, upper and lower two ends of the present utility model connect tubing string respectively, during upper lifting pipe post, drive top connection 1, instlated tubular 3, upper torque fitting 4 and upper bush 11 in this utility model upwards to move along a straight line relative to central canal 6；When transferring tubing string, top connection 1, instlated tubular 3, upper torque fitting 4 and upper bush 11 in this utility model is driven to move along a straight line downwards relative to central canal 6；When rotating tubing string, drive top connection 1, instlated tubular 3 and upper torque fitting 4 to rotate, drive central canal 6 to rotate by the key 5 being attached thereto, it is achieved the function of transmission moment of torsion, cable 14 rotates also with central canal 6, and not transmitted by moment of torsion is affected.
Although function of the present utility model and work process being described above in conjunction with accompanying drawing; but this utility model is not limited to above-mentioned concrete function and work process; above-mentioned detailed description of the invention is only schematically; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the case of without departing from this utility model objective and scope of the claimed protection, it is also possible to make a lot of form, within these belong to protection of the present utility model.
Claims (5)
- null1. the heat insulation telescoping tube of offshore oilfield，Including top connection and lower contact，It is characterized in that，Described top connection lower end is provided with inner side and connects the instlated tubular having upper torque fitting，Described upper torque fitting upper end is provided with keyhole lower end and is provided with opening，Described upper torque fitting inner surface is bonded and is connected to the central canal that lower end is connected with lower contact，Pressure cap from top to bottom it is disposed with between described central canal and instlated tubular、Sealing shroud and wear ring，Connect outside described lower contact upper end and have the lower torque fitting of upper end band opening，It is provided with lower pipe box between described lower torque fitting and upper torque fitting，Described lower pipe box、Central canal、Lower torque fitting and upper torque fitting collectively form a ring cavity，The cable being wound in central canal outer wall it is provided with in described ring cavity，The two ends up and down of described cable is drawn from the opening part of upper torque fitting and lower torque fitting respectively.
- A kind of heat insulation telescoping tube of offshore oilfield the most according to claim 1, it is characterised in that described instlated tubular is made up of inside and outside sheathed upper pipe box and urceolus, is provided with cenosphere layer between described upper pipe box and urceolus.
- A kind of heat insulation telescoping tube of offshore oilfield the most according to claim 1, it is characterised in that described down tube is overlapped upper and lower two ends and is respectively arranged with upper bush and lower sleeve.
- A kind of heat insulation telescoping tube of offshore oilfield the most according to claim 1, it is characterised in that be provided with shear pin between described upper torque fitting and central canal.
- A kind of heat insulation telescoping tube of offshore oilfield the most according to claim 1, it is characterised in that the keyhole quantity of described upper torque fitting sets at least to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620175761.5U CN205445494U (en) | 2016-03-08 | 2016-03-08 | Offshore oil field is with thermal -insulated flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620175761.5U CN205445494U (en) | 2016-03-08 | 2016-03-08 | Offshore oil field is with thermal -insulated flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205445494U true CN205445494U (en) | 2016-08-10 |
Family
ID=56606017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620175761.5U Expired - Fee Related CN205445494U (en) | 2016-03-08 | 2016-03-08 | Offshore oil field is with thermal -insulated flexible pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205445494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253096A (en) * | 2016-08-19 | 2016-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of underground pipe gallery distribution box |
| RU181279U1 (en) * | 2018-03-06 | 2018-07-09 | Общество с ограниченной ответственностью "Металлоцентр Лидер-М" | THERMAL INSULATING CASE |
-
2016
- 2016-03-08 CN CN201620175761.5U patent/CN205445494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253096A (en) * | 2016-08-19 | 2016-12-21 | 上海市政工程设计研究总院（集团）有限公司 | A kind of underground pipe gallery distribution box |
| RU181279U1 (en) * | 2018-03-06 | 2018-07-09 | Общество с ограниченной ответственностью "Металлоцентр Лидер-М" | THERMAL INSULATING CASE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20210308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |