CN210087252U - Underground continuous pipe cable separation sealing adapter - Google Patents
Underground continuous pipe cable separation sealing adapter Download PDFInfo
- Publication number
- CN210087252U CN210087252U CN201920724020.1U CN201920724020U CN210087252U CN 210087252 U CN210087252 U CN 210087252U CN 201920724020 U CN201920724020 U CN 201920724020U CN 210087252 U CN210087252 U CN 210087252U
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- crossover sub
- sealing
- locking
- separation
- downhole
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Abstract
The utility model provides a sealed crossover sub of continuous pipe cable separation in pit, the upper portion of going up the crossover sub is connected with continuous pipe cable instrument through the screw thread, the seal groove has been seted up to the lower part at last crossover sub, the sealing washer cup joints in the seal groove, top at the seal groove is provided with the boss, the top of crossover sub contacts with the bottom of boss down, the top of retaining member contacts with the top of boss, the lower part of retaining member passes through the screw thread and links to each other with the upper portion of crossover sub down, the export has been seted up to one side of the middle part of crossover sub down, instrument internal pipeline in the pit gets into outside sealed crossover sub through the export stretches out sealed crossover sub in getting into the entrance of crossover sub, still be provided with the sealing member that is used for the outside well fluid of separation to get into sealed crossover sub in export department, the lower part of. The utility model is convenient for leading out the hydraulic control pipeline inside the continuous pipe cable; and simultaneously, the isolation of the inside of the tool from the outside well fluid is realized.
Description
Technical Field
The utility model relates to an oil field development apparatus for producing technical field, more specifically say and relate to a sealed crossover sub of coiled tubing cable separation in pit.
Background
The coiled tubing is used as an important tool in oilfield production and is widely applied in the technical directions of sidetrack drilling, testing, well workover, oil extraction, gas production and the like of the oilfield, wherein a sealing device is required to be added above an electric pump for unblocking of an underground ultrasonic permanent tool, liquid drainage and gas production of a small-diameter pipe, throwing and fishing of the coiled tubing without a workover rig platform and the like, so that a loop of produced liquid is realized.
The main operation means of the workover rig-free platform is to adopt a workover ship, a drilling ship or a workover rig to move to carry out workover, the workover ship, the drilling ship and the workover rig are used for a workover rig-free platform inspection pump to move, the preparation time of frequent workover rig moving operation is long, the cost is high, the equipment loss is large, the performance of tools such as an external sand control pipe column sealing working barrel, a sleeve pipe, a hanger and the like is reduced or even loses efficacy when the pipe column is lifted, and the problems of oil layer pollution, cold damage, scaling, reservoir pollution and the like caused by external solid particles are often generated in the process of flushing and killing a well.
The pump operation can be efficiently and quickly finished without using a workover rig and an operation ship by utilizing the operation of the coiled tubing throwing and dragging electric pump, the operation process is simple and safe, the steps of detaching a Christmas tree, lifting a production pipe column, lowering the production pipe column, installing the Christmas tree, setting a cable packer and the like are reduced, the performance reduction of a sand prevention pipe column caused by lifting the pipe column is avoided, the pollution and the injury of an oil layer are reduced, and the pump operation procedure is simplified.
For the coiled tubing dropping and fishing electric pump process, an underground coiled tubing cable separation sealing adapter is required to be added underground, and a hydraulic control pipeline inside the coiled tubing cable is led out to the outside of an underground tool, so that other technologies and functions of dropping and fishing electric pumps are realized.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art, the hydraulic control pipeline inside the continuous pipe cable is difficult to be led out, and provides a separation sealing adapter for the underground continuous pipe cable, through the utility model, the hydraulic control pipeline inside the continuous pipe cable can be led out conveniently; and simultaneously, the isolation of the inside of the tool from the outside well fluid is realized.
The purpose of the utility model is realized by the following technical scheme.
A separation and sealing adapter for a downhole coiled tubing cable comprises an upper adapter, a locking piece, a sealing ring and a lower adapter,
go up crossover sub with lower crossover sub is hollow structure, just go up the crossover sub with lower crossover sub link up each other go up the seal groove has been seted up to the lower part of crossover sub, the sealing washer cup joints in the seal groove the top of seal groove is provided with the boss, down the crossover sub the top with the bottom of boss contacts, the top of retaining member with the top of boss contacts, the lower part of retaining member pass through the screw thread with the upper portion of crossover sub links to each other the export has been seted up to middle part one side of crossover sub down, instrument in the pit certainly go up the entrance of crossover sub get into in the sealed crossover sub through the export stretch out sealed crossover sub outside the export still is provided with the sealing member that is used for the outside well fluid of separation to get into sealed crossover sub in the export.
The locking piece comprises a locking platform, a locking ring and locking threads, the locking threads are arranged on the inner wall of the lower portion of the locking ring, and the locking platform is integrally arranged on the top end of the locking ring.
The width of the locking platform is smaller than or equal to that of the boss.
The width of the sealing ring is larger than or equal to the depth of the sealing groove.
The sealing ring is a rubber sealing ring.
The seal is threadably connected to the lower transition joint.
The sealing element is a rubber sealing element, and a wire guide hole is formed in the middle of the sealing element.
The diameter of the wire guide hole is smaller than or equal to the diameter of an internal pipeline of the downhole tool.
The upper portion of the upper crossover sub is connected to the coiled tubing cable tool by threads.
The lower portion of the lower adapter is connected to the downhole tool via threads.
The utility model has the advantages that: the utility model is convenient for leading out the hydraulic control pipeline inside the continuous pipe cable; realize the inside and outside well liquid's of instrument isolation simultaneously through the sealing member, the utility model provides a difficult problem outside the pipe is derived from the continuous pipe to pipeline in the pit, guarantees to realize other functions of instrument in the pit.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic top view of the sealing member of the present invention;
FIG. 3 is a schematic side view of a locking member of the present invention;
in the figure: 1 is the interior pipeline of downhole tool, 2 is last crossover sub, 3 is the retaining member, 4 is the sealing washer, 5 is the sealing member, 6 is crossover sub down, 7 is the boss, 8 is the wire guide, 9 is the locking platform, 10 is the locking circle.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
Example one
A separation and sealing adapter for a downhole coiled tubing cable comprises an upper adapter 2, a locking part 3, a sealing ring 4 and a lower adapter 6,
the upper conversion joint 2 and the lower conversion joint 6 are both of a hollow structure, the upper conversion joint 2 and the lower conversion joint 6 are communicated with each other, the upper part of the upper conversion joint 2 is connected with a continuous pipe cable tool through threads, the lower part of the upper conversion joint 2 is provided with a sealing groove, a sealing ring 4 is sleeved in the sealing groove, a boss 7 is arranged above the sealing groove, the top end of the lower conversion joint 6 is contacted with the bottom end of the boss 7, the top end of a locking part 3 is contacted with the top end of the boss 7, the lower part of the locking part 3 is connected with the upper part of the lower conversion joint 6 through threads, one side of the middle part of the lower conversion joint 6 is provided with a guide outlet, an internal pipeline 1 of the downhole tool enters the sealing conversion joint from an inlet of the upper conversion joint 2 and extends out of the sealing conversion joint through the guide outlet, and a sealing part 5 for preventing external well fluid from, the lower portion of the lower adapter 6 is threadedly connected to the downhole tool.
Retaining member 3 includes locking platform 9, check ring 10 and locking screw thread, and locking screw thread sets up on the inner wall of check ring 10 lower part, and locking platform 9 is integrative to be set up on the top of check ring 10, and the width less than or equal to the width of boss 7 of locking platform 9.
The working process is as follows: the lower part of going up crossover sub with the sealing washer dress overlaps on the boss of last crossover sub with the retaining member from the upper portion of going up crossover sub, and the upper portion of going up crossover sub is passed through the screw thread and is connected with relevant instrument in the pit, penetrates the export of leading by lower crossover sub from the upper portion of going up crossover sub with instrument internal line in the pit and wears out, with going up crossover sub and lower crossover sub butt joint, rotatory retaining member locks last crossover sub and lower crossover sub through the retaining member upper thread, the sub-unit connection of lower crossover sub is relevant instrument in the pit.
Example two
In the first embodiment, the width of the seal ring 4 is greater than or equal to the depth of the seal groove.
The sealing ring 4 is a rubber sealing ring.
EXAMPLE III
In the second embodiment, the sealing member 5 is connected to the lower adapter 6 by a screw thread.
The sealing element 5 is a rubber sealing element, and a wire guide hole 8 is formed in the middle of the sealing element 5.
The diameter of the wire guide 8 is smaller than or equal to the diameter of the internal pipe 1 of the downhole tool.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a sealed crossover sub of coiled tubing cable separation in pit which characterized in that: comprises an upper conversion joint, a locking piece, a sealing ring and a lower conversion joint,
go up crossover sub with lower crossover sub is hollow structure, just go up the crossover sub with lower crossover sub link up each other go up the seal groove has been seted up to the lower part of crossover sub, the sealing washer cup joints in the seal groove the top of seal groove is provided with the boss, down the crossover sub the top with the bottom of boss contacts, the top of retaining member with the top of boss contacts, the lower part of retaining member pass through the screw thread with the upper portion of crossover sub links to each other the export has been seted up to middle part one side of crossover sub down, instrument in the pit certainly go up the entrance of crossover sub get into in the sealed crossover sub through the export stretch out sealed crossover sub outside the export still is provided with the sealing member that is used for the outside well fluid of separation to get into sealed crossover sub in the export.
2. The downhole umbilical separation seal transition joint of claim 1, wherein: the locking piece comprises a locking platform, a locking ring and locking threads, the locking threads are arranged on the inner wall of the lower portion of the locking ring, and the locking platform is integrally arranged on the top end of the locking ring.
3. The downhole umbilical separation seal transition joint of claim 2, wherein: the width of the locking platform is smaller than or equal to that of the boss.
4. The downhole umbilical separation seal transition joint of claim 1, wherein: the width of the sealing ring is larger than or equal to the depth of the sealing groove.
5. The downhole umbilical separation sealing crossover joint of claim 4, wherein: the sealing ring is a rubber sealing ring.
6. The downhole umbilical separation seal transition joint of claim 1, wherein: the seal is threadably connected to the lower transition joint.
7. The downhole umbilical separation sealing crossover joint of claim 6, wherein: the sealing element is a rubber sealing element, and a wire guide hole is formed in the middle of the sealing element.
8. The downhole umbilical separation seal transition joint of claim 7, wherein: the diameter of the wire guide hole is smaller than or equal to the diameter of an internal pipeline of the downhole tool.
9. The downhole umbilical separation seal transition joint of claim 1, wherein: the upper portion of the upper crossover sub is connected to the coiled tubing cable tool by threads.
10. The downhole umbilical separation seal transition joint of claim 1, wherein: the lower portion of the lower adapter is connected to the downhole tool via threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724020.1U CN210087252U (en) | 2019-05-20 | 2019-05-20 | Underground continuous pipe cable separation sealing adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920724020.1U CN210087252U (en) | 2019-05-20 | 2019-05-20 | Underground continuous pipe cable separation sealing adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087252U true CN210087252U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920724020.1U Active CN210087252U (en) | 2019-05-20 | 2019-05-20 | Underground continuous pipe cable separation sealing adapter |
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| CN (1) | CN210087252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
| CN112814582A (en) * | 2020-09-29 | 2021-05-18 | 中海油能源发展股份有限公司 | Connecting tool and connecting method for composite continuous oil pipe |
-
2019
- 2019-05-20 CN CN201920724020.1U patent/CN210087252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
| CN112814582A (en) * | 2020-09-29 | 2021-05-18 | 中海油能源发展股份有限公司 | Connecting tool and connecting method for composite continuous oil pipe |
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