CN209817957U - Hand-off sealing connection device for continuous oil pipe cable - Google Patents
Hand-off sealing connection device for continuous oil pipe cable Download PDFInfo
- Publication number
- CN209817957U CN209817957U CN201920006971.5U CN201920006971U CN209817957U CN 209817957 U CN209817957 U CN 209817957U CN 201920006971 U CN201920006971 U CN 201920006971U CN 209817957 U CN209817957 U CN 209817957U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- wall
- joint
- cable
- pressure sealing
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 210000000078 claw Anatomy 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to a sealed connecting device of a continuous oil pipe cable with a releasing handle, which comprises an upper joint and a lower joint, wherein the lower end of the upper joint is provided with a spring claw, the outer side of the spring claw is provided with a protruding part, the inner wall of the lower joint is provided with an annular step, the inner wall of the lower joint is provided with a clamping groove on the annular step, the protruding part of the spring claw is clamped in the clamping groove, the lower joint is internally provided with a sliding sleeve, the upper end of the sliding sleeve extends into the spring claw and is provided with a retraction channel with the inner wall of the spring claw, a shear pin is arranged between the lower end of the sliding sleeve and the inner wall of the lower joint, a high-pressure sealing socket is arranged in, the high-pressure sealing plug all links there is the steel pipe sheath, and it has the cable to wear in the steel pipe sheath, and it has hydraulic passage to run through on the top connection, and hydraulic passage upper end is connected with liquid accuse pipeline and the lower extreme is adjacent with the sliding sleeve top. The utility model discloses need not drop into the blanking plug in to the well, realize the separation of coiled tubing cable and instrument in the pit, it is simple convenient.
Description
Technical Field
The utility model relates to a cable seal takes off the field of hand instrument, especially relates to a coiled tubing cable (power cable is prefabricated inside coiled tubing) is with taking off hand sealing connection device.
Background
In the offshore oilfield operation process, the coiled tubing cable integrated throwing and fishing electric pump is used as a new production technology, a coiled tubing cable (an electric submersible pump power cable is arranged in a coiled tubing) is needed, the coiled tubing cable needs a specific downhole tool to be connected with an electric pump unit, and the coiled tubing cable and the downhole tool need to be separated when a situation occurs. However, techniques for sealing connection and disconnection of coiled tubing cables to downhole tools are currently open.
Disclosure of Invention
The utility model discloses aim at solving the sealing connection and the separation of coiled tubing cable and instrument in the pit, and provide a coiled tubing cable is with taking off hand sealing connection device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a sealed connection device for a coiled tubing cable, which comprises an upper joint and a lower joint, wherein the lower end of the upper joint is provided with a spring claw, the outer side of the spring claw is provided with a protruding part, the inner wall of the lower joint is provided with an annular step, the inner wall of the lower joint is provided with a clamping groove on the annular step, the protruding part of the spring claw is clamped in the clamping groove, the lower joint is internally provided with a sliding sleeve, the upper end of the sliding sleeve extends into the spring claw and is provided with a retraction channel with the inner wall of the spring claw, a shear pin is arranged between the lower end of the sliding sleeve and the inner wall of the lower joint and is connected through the shear pin, a high-pressure sealing socket is arranged in the upper joint, a high-pressure sealing plug is arranged in the sliding sleeve and is connected with the high-pressure sealing socket, the high-pressure sealing socket and the high-pressure sealing plug are both connected with a steel tube, the hydraulic channel upper end is connected with the hydraulic control pipeline and the lower extreme is adjacent with the sliding sleeve top.
The outer wall of the lower connector is provided with a counter bore at the shear pin, and the shear pin penetrates through the counter bore to be connected with the bottom of the sliding sleeve.
The hydraulic channel top inner wall of top connection is equipped with connecting thread and has connect fixation nut through connecting thread soon, the other one end of fixation nut links to each other with the hydraulic control pipeline.
The utility model has the advantages that: the utility model discloses a screw thread connection is on production string, and the top connection is provided with hydraulic passage, and need not drop into the blanking plug in to the well, when needs are given up, suppress hydraulic passage, pressure can promote the sliding sleeve, high-pressure sealing plug slides down, the shear pin fracture, remove the radial restriction to the bullet claw of top connection, in the bullet claw contracts the passageway that contracts of sliding sleeve, and here lower clutch is unrestricted again with the top connection, realizes the separation of continuous cable and instrument in the pit, and is simple convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-upper joint; 2-lower joint; 3-a spring claw; 4-a protrusion; 5-an annular step; 6-a clamping groove; 7-a sliding sleeve; 8-a retraction channel; 9-cutting nails; 10-high pressure sealed socket; 11-high pressure sealing plug; 12-steel pipe sheathing; 13-a cable; 14-a hydraulic channel; 15-hydraulic control lines;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in figure 1, a coiled tubing cable is with taking off hand sealing connecting device, including top connection 1, lower clutch 2, 1 lower extreme of top connection is equipped with elastic claw 3, the elastic claw 3 outside is equipped with protruding portion 4, be equipped with annular step 5 on the 2 inner walls of lower clutch, 2 inner walls of lower clutch are equipped with draw-in groove 6 on annular step 5, 4 joints of protruding portion of elastic claw 3 are in draw-in groove 6, the inside sliding sleeve 7 that is equipped with of lower clutch 2, the upper end of sliding sleeve 7 stretch into in the elastic claw 3 and with be equipped with between the elastic claw 3 inner wall and return back passageway 8, be equipped with between sliding sleeve 7 lower extreme and the 2 inner walls of lower clutch shear pin 9 and pass through shear pin 9 realizes connecting, be equipped with high-pressure seal socket 10 in the top connection 1, be equipped with high-pressure seal plug 11 in the sliding sleeve 7, high-pressure seal plug 11 is connected with high-pressure seal socket 10, high, High-pressure sealing plug 11 all links there is steel pipe sheath 12, it has cable 13 to wear in the steel pipe sheath 12, it has hydraulic channel 14 to run through on the top connection 1, hydraulic channel 14 upper end is connected with hydraulic control pipeline 15 and the lower extreme is adjacent with sliding sleeve 7 top.
The outer wall of the lower joint 2 is provided with a counter bore at the shear pin 9, and the shear pin 9 penetrates through the counter bore to be connected with the bottom of the sliding sleeve 7.
The inner wall of the top of the hydraulic channel 14 of the upper joint 1 is provided with connecting threads and is screwed with a fixing nut through the connecting threads, and the other end of the fixing nut is connected with a hydraulic control pipeline 15.
The utility model discloses a screw thread connection is on production string, top connection 1 is provided with hydraulic passage 14, and need not drop into the blanking plug in the well, when needs are released, suppress hydraulic passage 14, pressure can promote sliding sleeve 7, high-pressure sealing plug 11 slides down, shear pin 9 splits, remove the radial restriction to top connection 1's bullet claw 3, bullet claw 3 contracts to sliding sleeve 7 return in the passageway 8 that contracts, this time bottom connection 2 is unrestricted again with top connection 1, realize the separation of continuous pipe cable and downhole tool, it is simple convenient.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (3)
1. The utility model provides a coiled tubing cable is with taking off hand sealing connection device, which is characterized in that, includes top connection (1), lower clutch (2), top connection (1) lower extreme is equipped with bullet claw (3), bullet claw (3) outside is equipped with protruding portion (4), be equipped with annular step (5) on lower clutch (2) inner wall, lower clutch (2) inner wall is equipped with draw-in groove (6) on annular step (5), protruding portion (4) joint of bullet claw (3) is in draw-in groove (6), lower clutch (2) inside is equipped with sliding sleeve (7), the upper end of sliding sleeve (7) stretch into in bullet claw (3) and with be equipped with between bullet claw (3) inner wall and return passageway (8), be equipped with between sliding sleeve (7) lower extreme and lower clutch (2) inner wall and cut nail (9) and pass through cut nail (9) and realize connecting, be equipped with high-pressure seal socket (10) in top connection (1), be equipped with high-pressure sealing plug (11) in sliding sleeve (7), high-pressure sealing plug (11) are connected with high-pressure sealing socket (10), high-pressure sealing plug (11) all link to have steel pipe sheath (12), cable (13) have been worn in steel pipe sheath (12), it has hydraulic channel (14) to run through on top connection (1), hydraulic channel (14) upper end is connected with hydraulic control pipeline (15) and the lower extreme is adjacent with sliding sleeve (7) top.
2. The connecting device for the coiled tubing cable in the sealing manner is characterized in that a counter bore is formed in the outer wall of the lower joint (2) at the shear pin (9), and the shear pin (9) penetrates through the counter bore to be connected with the bottom of the sliding sleeve (7).
3. The sealed connection device of claim 2, wherein the inner wall of the top of the hydraulic channel (14) of the upper joint (1) is provided with a connecting thread and is screwed with a fixing nut through the connecting thread, and the other end of the fixing nut is connected with a hydraulic control pipeline (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006971.5U CN209817957U (en) | 2019-01-03 | 2019-01-03 | Hand-off sealing connection device for continuous oil pipe cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006971.5U CN209817957U (en) | 2019-01-03 | 2019-01-03 | Hand-off sealing connection device for continuous oil pipe cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209817957U true CN209817957U (en) | 2019-12-20 |
Family
ID=68870540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920006971.5U Expired - Fee Related CN209817957U (en) | 2019-01-03 | 2019-01-03 | Hand-off sealing connection device for continuous oil pipe cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209817957U (en) |
-
2019
- 2019-01-03 CN CN201920006971.5U patent/CN209817957U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |