CN203114237U - Integrated cover-type thermosensitive metal sheet and telescopic packer - Google Patents
Integrated cover-type thermosensitive metal sheet and telescopic packer Download PDFInfo
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- CN203114237U CN203114237U CN 201220635406 CN201220635406U CN203114237U CN 203114237 U CN203114237 U CN 203114237U CN 201220635406 CN201220635406 CN 201220635406 CN 201220635406 U CN201220635406 U CN 201220635406U CN 203114237 U CN203114237 U CN 203114237U
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Abstract
The utility model relates to the technical field of a thermosensitive metal sheet, and relates to an integrated cover-type thermosensitive metal sheet and a telescopic packer. The integrated cover-type thermosensitive metal sheet comprises a thermosensitive metal ring body, wherein longitudinal long holes are distributed on the periphery of the thermosensitive metal ring body. The telescopic packer with the integrated cover-type thermosensitive metal sheet comprises a central pipe, a seal main body, a seal rubber sleeve, the integrated cover-type thermosensitive metal sheet, a moving compression ring and a fixed compression ring; the seal main body is fixedly arranged on the outer side of the lower part of the central pipe; a ring-shaped groove is arranged in the inner side of the lower part of the seal main body; and a ring-shaped air inlet ring chamber with an downward opening is formed between the groove and the lower part of the central pipe. The integrated cover-type thermosensitive metal sheet and the telescopic packer are reasonable in structure, and convenient to use; the thermosensitive metal ring body can be directly sleeved on the seal main body, and is convenient to dismount; a centralizing groove needs not to be processed, so that a processing process of the seal main body is simplified, the unsealing reliability is high; double air inlet channels are adopted, the heat exchange efficiency is increased, the setting and releasing time is shortened, the steam injection effect is timely developed, and the energy is saved.
Description
Technical field
The utility model relates to thermometal chip technology field, is a kind of whole bell-type thermometal sheet and telescopic packer.
Background technology
The thermometal sheet of strip is adopted in existing telescopic temperature-sensitive packer inside more, realizes packer setting by the thermal deformation of thermometal sheet; In the temperature-sensitive deformation process, in order to prevent thermometal sheet generation axial deflection, need process righting trough at sealed body, and each thermometal sheet is being installed in the righting trough; In installation process, sheet metal needs to install by correct direction successively, and assembling process is loaded down with trivial details, obscures both forward and reverse directions easily, dismounting inconvenience; Setting when needing to lower the temperature deblocking after finishing, swiping easily because of thermometal sheet and righting trough, hindering the shape of sheet metal to recover, reducing the deblocking reliability; Telescopic temperature-sensitive packer causes the heat exchanger effectiveness between sheet metal and the ambient medium low because logical vapour passage is single simultaneously, and seat envelope or deblocking time are long, is unfavorable for that in time the vapour effect is annotated in performance.
Summary of the invention
The utility model provides a kind of whole bell-type thermometal sheet and telescopic packer, has overcome the deficiency of above-mentioned prior art, when its thermometal sheet that can effectively solve strip uses in telescopic temperature-sensitive packer, and dismounting inconvenience, deblocking poor reliability; Because telescopic temperature-sensitive packer is single because of logical vapour passage, heat exchanger effectiveness is poor, the problem that seat seals or the deblocking time is long simultaneously.
One of the technical solution of the utility model realizes by following measure: a kind of whole bell-type thermometal sheet comprises the thermometal ring body; Circle distribution has slotted hole longitudinally on the thermometal ring body.
Two of the technical solution of the utility model realizes by following measure: a kind of telescopic packer that uses whole bell-type thermometal sheet comprises central tube, sealed body, cartridge, whole bell-type thermometal sheet, mobile pressure ring and fixed pressure ring; Be installed with sealed body in the outside, the bottom of central tube, the lower inside of sealed body have annular groove and and the central tube bottom between form the annular admission ring cavity that Open Side Down; The positioning convex that annular is arranged in the outside, the middle part of sealed body, the downside of positioning convex be installed with cartridge and and sealed body between form the heat-sensitive sheet installation cavity of annular, whole bell-type thermometal sheet is installed in the heat-sensitive sheet installation cavity; The logical steam vent that the heat-sensitive sheet installation cavity is communicated with the admission ring cavity is arranged at sealed body; Be installed with mobile pressure ring in the lower end of cartridge and be sleeved on the sealed body; The outside, lower end at sealed body is installed with fixed pressure ring, and mobile pressure ring is seated on the fixed pressure ring.
Be two further optimization and/or improvements to above-mentioned utility model technical scheme below:
On above-mentioned mobile pressure ring and the fixed pressure ring respectively circle distribution have make the heat-sensitive sheet installation cavity and extraneous communicate cross steam vent and admission opening.
The top and bottom of above-mentioned central tube can have external screw thread respectively, are installed with top connection and lower contact by screw thread respectively in the top and bottom of central tube; The top of lower contact can be respectively with the bottom interval of fixed pressure ring and sealed body and form the radial admission annular groove; The lower ending opening of admission ring cavity and admission opening communicate with the radial admission annular groove respectively; On the top of lower contact the lower contact outer lug corresponding with the fixed pressure ring external diameter arranged, the aixal admission hole that communicates with the radial admission annular groove is arranged in the lower contact outer lug.On top connection top and lower contact bottom internal thread and external screw thread are arranged respectively.
The bottom of above-mentioned lower contact outer lug can be taper type wide at the top and narrow at the bottom.
The lower end of above-mentioned positioning convex and the upper end of mobile pressure ring can have last draw-in groove and the lower bayonet slot of the annular of mutual correspondence respectively, and the top and bottom of cartridge are fixedly connected in draw-in groove and the lower bayonet slot by holding screw respectively.
Can there be the fixedly annular groove that communicates with admission opening the upper surface of said fixing pressure ring, and on the mobile pressure ring that fixedly annular groove is corresponding mobile annular groove is arranged; Mobile annular groove is connected with the mistake steam vent.
The seal mounting groove that the upper inner of above-mentioned sealed body can have opening to make progress is equipped with seal in the bottom of seal mounting groove; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
Can there be external screw thread the lower end of above-mentioned sealed body, and fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
The utility model reasonable and compact in structure, easy to use; The thermometal ring body can directly be sleeved on the sealed body easy accessibility; Need not to process righting trough, simplified the processing technology of sealed body, deblocking reliability height; Adopt two admission passages, increased heat exchanger effectiveness, shortening sets, the deblocking time, and vapour effect, energy conservation are annotated in performance in time.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model embodiment 1.
Accompanying drawing 2 is the plan structure schematic diagram of accompanying drawing 1.
Coding in the accompanying drawing is respectively: 1 for the thermometal ring body, and 2 be slotted hole, manages centered by 3,4 is sealed body, and 5 are the admission ring cavity, and 6 is positioning convex, 7 is cartridge, and 8 is mobile pressure ring, and 9 are the aixal admission hole, 10 is the heat-sensitive sheet installation cavity, and 11 are logical steam vent, and 12 is fixed pressure ring, 13 was steam vent, 14 is admission opening, and 15 are top connection, and 16 are lower contact, 17 is the radial admission annular groove, 18 for the lower contact outer lug, and 19 be holding screw, and 20 is fixing annular groove, 21 is mobile annular groove, 22 is seal, and 23 is interior gland, and 24 is dog screw.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that Butut mode according to Figure of description 1 is described among the following embodiment 1, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of manual attached 1.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Embodiment 1: as shown in Figure 1, this integral body bell-type thermometal sheet comprises thermometal ring body 1; Circle distribution has slotted hole longitudinally on thermometal ring body 1.In use, thermometal ring body 1 is inserted on the sealed body, has removed from when strip thermometal sheet is installed one by one, need the process by correct direction is installed and both forward and reverse directions is adjusted; Easy accessibility, the efficient height; Can avoid simultaneously in thermal deformation process, taking place the axial deflection of thermometal sheet; Need not to process righting trough at sealed body, simplified the processing technology of sealed body, save process time; Need the cooling solution to be honored as a queen setting to finish, when last body rod is lived, can prevent that the thermometal sheet from coming off, minimizing is to the influence of down-hole.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that Butut mode according to Figure of description 3 is described among the following embodiment 2, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of manual attached 3.
Embodiment 2: as shown in Figure 3, this uses the telescopic packer of whole bell-type thermometal sheet to comprise central tube 3, sealed body 4, cartridge 7, whole bell-type thermometal sheet, mobile pressure ring 8 and fixed pressure ring 12; Be installed with sealed body 4 in the outside, the bottom of central tube 3, the lower inside of sealed body 4 have annular groove and and central tube 3 bottoms between form the annular admission ring cavity 5 that Open Side Down; The positioning convex 6 that annular is arranged in the outside, middle part of sealed body 4, the downside of positioning convex 6 be installed with cartridge 7 and and sealed body 4 between form the heat-sensitive sheet installation cavity 10 of annular, whole bell-type thermometal sheet is installed in heat-sensitive sheet installation cavity 10; The logical steam vent 11 that heat-sensitive sheet installation cavity 10 is communicated with admission ring cavity 5 is arranged at sealed body 4; Be installed with mobile pressure ring 8 in the lower end of cartridge 7 and be sleeved on the sealed body 4; The outside, lower end at sealed body 4 is installed with fixed pressure ring 12, and mobile pressure ring 8 is seated on the fixed pressure ring 12.Behind the assigned address in the utility model lower going-into-well setting of casing of present embodiment 2, connect steam injecting pipe, inject steam and enter the down-hole by central tube 3; Because the down-hole pressure effect, steam enters in the admission ring cavity 5 by the lower ending opening of admission ring cavity 5, and enters heat-sensitive sheet installation cavity 10 by last logical steam vent 11, and the temperature distortion of whole bell-type thermometal sheet is outwards propped up cartridge 7, realizes setting; After annotating the vapour end, temperature reduces, and sheet metal recovers shape, and the cartridge withdrawal realizes deblocking; The utility model easy accessibility of present embodiment 2, during deblocking, whole bell-type thermometal sheet can prevent that strip thermometal sheet and righting trough from swiping deblocking reliability height.
Can be according to actual needs, the telescopic packer of the whole bell-type thermometal of above-mentioned use sheet is made further optimization and/or improvements:
As shown in Figure 3, on mobile pressure ring 8 and fixed pressure ring 12 respectively circle distribution have make heat-sensitive sheet installation cavity 10 and extraneous communicate cross steam vent 13 and admission opening 14.Steam can be successively by admission ring cavity 5, upward logical steam vent 11 enters in the heat-sensitive sheet installation cavity 10; Also can enter heat-sensitive sheet installation cavity 10 by admission opening 14, mistake steam vent 13 successively simultaneously; Form two admission passages, to down-hole complex dielectrics better adaptability, improve heat exchanger effectiveness, thereby shortening sets, the deblocking time, vapour effect, energy conservation are annotated in performance in time.
As shown in Figure 3, in the top and bottom of central tube 3 external screw thread is arranged respectively, be installed with top connection 15 and lower contact 16 by screw thread respectively in the top and bottom of central tube 3; The top of lower contact 16 is respectively with the bottom interval of fixed pressure ring 12 and sealed body 4 and form radial admission annular groove 17; The lower ending opening of admission ring cavity 5 and admission opening 14 communicate with radial admission annular groove 17 respectively; On the top of lower contact 16 the lower contact outer lug 18 corresponding with fixed pressure ring 12 external diameters arranged, the aixal admission hole 9 that communicates with radial admission annular groove 17 is arranged in lower contact outer lug 18.On top connection 15 tops and lower contact 16 bottoms internal thread and external screw thread are arranged respectively.Top connection 15 and lower contact 16 can be convenient to utility model and the installation of other downhole hardwares of embodiment 2; After steam enters radial admission annular groove 17 by aixal admission hole 9 simultaneously, enter successively by radial admission annular groove 17 again and carry out two admission passages in admission ring cavity 5 and the admission opening 14; Can improve admission efficient like this, and then shortening sets, the deblocking time.
The bottom of lower contact outer lug as shown in Figure 3,18 is taper type wide at the top and narrow at the bottom.Low according to vapour density, as to make progress away principle, the lower contact outer lug 18 of taper type can be convenient to steam and enter in the aixal admission hole 9; Improve the steam admission rate.
As shown in Figure 3, have respectively in the upper end of the lower end of positioning convex 6 and mobile pressure ring 8 mutual correspondence annular on draw-in groove and lower bayonet slot, the top and bottom of cartridge 7 are fixedly connected in draw-in groove and the lower bayonet slot by holding screw 19 respectively.Easy accessibility can be convenient to maintenance and the replacing of cartridge 7.
As shown in Figure 3, the fixedly annular groove 20 that communicates with admission opening 14 is arranged in the upper surface of fixed pressure ring 12, on the mobile pressure ring 8 corresponding with fixing annular groove 20 mobile annular groove 21 is arranged; Mobile annular groove 21 is connected with mistake steam vent 13.Steam is entered fixedly in the annular groove 20 and mobile annular groove 21 by admission opening 14, passes through steam vent 13 input heat-sensitive sheet installation cavitys 10 again; Can under the situation that does not limit admission opening 14 and the quantity of crossing steam vent 13, increase throttle flow like this; Reduce processing capacity simultaneously, the production efficiency height.
As shown in Figure 3, the seal mounting groove in that the upper inner of sealed body 4 has opening to make progress is equipped with seal 22 in the bottom of seal mounting groove; On the sealed body 4 corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland 23 that seal 22 can be compressed by screw thread.Seal 22 plays the effect that increases the contact surface sealing; In the utility model structure of this embodiment 2,22 pairs of sealed bodies 4 of seal play axially and the radially effect of rotary stopper simultaneously.
As shown in Figure 3, in the lower end of sealed body 4 external screw thread is arranged, fixed pressure ring 12 is fixedly connected on the outside, lower end of sealed body 4 by screw thread; At sealed body 4 radial screw bore is arranged, on the sealed body 4 corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw 24 by screw thread.Can be convenient to dismounting between sealed body 4 and the fixed pressure ring 12 like this.
Above technical characterictic has constituted embodiment of the present utility model, and it has stronger compliance and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model of present embodiment 2: behind the assigned address in the utility model lower going-into-well setting of casing of present embodiment 2, top connection is connected to steam injection string, steam is descending by central tube, because the down-hole pressure effect, steam simultaneously by admission ring cavity 5, upward logical steam vent 11 and admission opening 14, cross steam vent 13 and enter heat-sensitive sheet installation cavity 10; Through heat exchanging process, be out of shape after whole bell-type thermometal sheet temperature rises to set point of temperature, and cartridge 7 is outwards propped up; Under upper and lower pressure differential effect, continue upwards to promote mobile pressure ring 8 simultaneously, cartridge 7 continues outer expanding, and the annular space in the sealed well setting of casing is namely finished the process of setting; After annotating the vapour end, reduce with temperature, whole bell-type thermometal sheet recovers shape, and cartridge 7 withdrawals finish to seal, and finish the deblocking process.
Claims (35)
1. a whole bell-type thermometal sheet is characterized in that comprising the thermometal ring body; Circle distribution has slotted hole longitudinally on the thermometal ring body.
2. a use is characterized in that comprising central tube, sealed body, cartridge, whole bell-type thermometal sheet, mobile pressure ring and fixed pressure ring according to the telescopic packer of the described whole bell-type thermometal sheet of claim 1; Be installed with sealed body in the outside, the bottom of central tube, the lower inside of sealed body have annular groove and and the central tube bottom between form the annular admission ring cavity that Open Side Down; The positioning convex that annular is arranged in the outside, the middle part of sealed body, the downside of positioning convex be installed with cartridge and and sealed body between form the heat-sensitive sheet installation cavity of annular, whole bell-type thermometal sheet is installed in the heat-sensitive sheet installation cavity; The logical steam vent that the heat-sensitive sheet installation cavity is communicated with the admission ring cavity is arranged at sealed body; Be installed with mobile pressure ring in the lower end of cartridge and be sleeved on the sealed body; The outside, lower end at sealed body is installed with fixed pressure ring, and mobile pressure ring is seated on the fixed pressure ring.
3. telescopic packer according to claim 2 is characterized in that the top and bottom of central tube have external screw thread respectively, is installed with top connection and lower contact by screw thread respectively in the top and bottom of central tube; The top of lower contact is respectively with the bottom interval of fixed pressure ring and sealed body and form the radial admission annular groove; The lower ending opening of admission ring cavity and admission opening communicate with the radial admission annular groove respectively; On the top of lower contact the lower contact outer lug corresponding with the fixed pressure ring external diameter arranged, in the lower contact outer lug aixal admission hole that communicates with the radial admission annular groove is arranged, on top connection top and lower contact bottom internal thread and external screw thread are arranged respectively.
4. telescopic packer according to claim 3 is characterized in that the bottom of lower contact outer lug is taper type wide at the top and narrow at the bottom.
5. according to claim 2 or 3 or 4 described telescopic packers, it is characterized in that on mobile pressure ring and the fixed pressure ring circle distribution respectively have make the heat-sensitive sheet installation cavity and extraneous communicate cross steam vent and admission opening.
6. according to claim 2 or 3 or 4 described telescopic packers, the upper end that it is characterized in that the lower end of positioning convex and mobile pressure ring has last draw-in groove and the lower bayonet slot of the annular of mutual correspondence respectively, and the top and bottom of cartridge are fixedly connected in draw-in groove and the lower bayonet slot by holding screw respectively.
7. telescopic packer according to claim 5, the upper end that it is characterized in that the lower end of positioning convex and mobile pressure ring has last draw-in groove and the lower bayonet slot of the annular of mutual correspondence respectively, and the top and bottom of cartridge are fixedly connected in draw-in groove and the lower bayonet slot by holding screw respectively.
8. according to claim 2 or 3 or 4 described telescopic packers, it is characterized in that there is the fixedly annular groove that communicates with admission opening the upper surface of fixed pressure ring, and on the mobile pressure ring that fixedly annular groove is corresponding mobile annular groove is arranged; Mobile annular groove is connected with the mistake steam vent.
9. telescopic packer according to claim 5 is characterized in that there is the fixedly annular groove that communicates with admission opening the upper surface of fixed pressure ring, and on the mobile pressure ring that fixedly annular groove is corresponding mobile annular groove is arranged; Mobile annular groove is connected with the mistake steam vent.
10. telescopic packer according to claim 6 is characterized in that there is the fixedly annular groove that communicates with admission opening the upper surface of fixed pressure ring, and on the mobile pressure ring that fixedly annular groove is corresponding mobile annular groove is arranged; Mobile annular groove is connected with the mistake steam vent.
11. telescopic packer according to claim 7 is characterized in that there is the fixedly annular groove that communicates with admission opening the upper surface of fixed pressure ring, and on the mobile pressure ring that fixedly annular groove is corresponding mobile annular groove is arranged; Mobile annular groove is connected with the mistake steam vent.
12. according to claim 2 or 3 or 4 described telescopic packers, it is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, in the bottom of seal mounting groove, seal be installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
13. telescopic packer according to claim 5 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
14. telescopic packer according to claim 6 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
15. telescopic packer according to claim 7 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
16. telescopic packer according to claim 8 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
17. telescopic packer according to claim 9 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
18. telescopic packer according to claim 10 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
19. telescopic packer according to claim 11 is characterized in that the seal mounting groove that the upper inner of sealed body has opening to make progress, and in the bottom of seal mounting groove seal is installed; On the sealed body corresponding with seal mounting groove top internal thread is arranged, in the top of seal mounting groove, be installed with the interior gland that seal can be compressed by screw thread.
20. according to claim 2 or 3 or 4 described telescopic packers, it is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
21. telescopic packer according to claim 5 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
22. telescopic packer according to claim 6 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
23. telescopic packer according to claim 7 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
24. telescopic packer according to claim 8 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
25. telescopic packer according to claim 9 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
26. telescopic packer according to claim 10 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
27. telescopic packer according to claim 11 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
28. telescopic packer according to claim 12 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
29. telescopic packer according to claim 13 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
30. telescopic packer according to claim 14 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
31. telescopic packer according to claim 15 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
32. telescopic packer according to claim 16 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
33. telescopic packer according to claim 17 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
34. telescopic packer according to claim 18 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
35. telescopic packer according to claim 19 is characterized in that there is external screw thread the lower end of sealed body, fixed pressure ring is fixedly connected on the outside, lower end of sealed body by screw thread; At sealed body radial screw bore is arranged, on the sealed body corresponding with radial screw bore locating hole is arranged, in radial direction through hole and locating hole, be installed with dog screw by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635406 CN203114237U (en) | 2012-11-27 | 2012-11-27 | Integrated cover-type thermosensitive metal sheet and telescopic packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635406 CN203114237U (en) | 2012-11-27 | 2012-11-27 | Integrated cover-type thermosensitive metal sheet and telescopic packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114237U true CN203114237U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220635406 Expired - Fee Related CN203114237U (en) | 2012-11-27 | 2012-11-27 | Integrated cover-type thermosensitive metal sheet and telescopic packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387046A (en) * | 2017-08-03 | 2017-11-24 | 中国石油集团长城钻探工程有限公司 | A kind of thermal recovery produces integral tubular column |
| CN107387047A (en) * | 2017-08-03 | 2017-11-24 | 中国石油天然气股份有限公司 | Fireflood is segmented tubing string and igniting inflating method |
-
2012
- 2012-11-27 CN CN 201220635406 patent/CN203114237U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387046A (en) * | 2017-08-03 | 2017-11-24 | 中国石油集团长城钻探工程有限公司 | A kind of thermal recovery produces integral tubular column |
| CN107387047A (en) * | 2017-08-03 | 2017-11-24 | 中国石油天然气股份有限公司 | Fireflood is segmented tubing string and igniting inflating method |
| CN107387047B (en) * | 2017-08-03 | 2019-08-06 | 中国石油天然气股份有限公司 | Fireflood is segmented tubing string and igniting inflating method |
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