CN204140020U - A kind of forcible unlocking tool of downhole safety valve for thermal production well - Google Patents
A kind of forcible unlocking tool of downhole safety valve for thermal production well Download PDFInfo
- Publication number
- CN204140020U CN204140020U CN201420533170.1U CN201420533170U CN204140020U CN 204140020 U CN204140020 U CN 204140020U CN 201420533170 U CN201420533170 U CN 201420533170U CN 204140020 U CN204140020 U CN 204140020U
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- Prior art keywords
- tool
- safety valve
- production well
- cylinder
- goes
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- 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 - Lifetime
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- Revetment (AREA)
Abstract
A kind of forcible unlocking tool of downhole safety valve for thermal production well, comprise and enter part, seating portion and body under integrative-structure from top to bottom, the running part is the cylinder with hollow structure, the inwall of described cylinder hollow structure is provided with projection, be provided with taper seat step between described seating portion and described body, described body is hollow cylinder; This tool integrative-structure that goes into operation by force, structure is simple, is easy to processing, enters under being convenient to steel wire instrument, successfully opens thermal recovery safety valve.
Description
Technical field
The utility model relates to a kind of safety valve and to go into operation by force tool, especially relates to a kind of forcible unlocking tool of downhole safety valve for thermal production well.
Background technology
At present, for the tool that goes into operation by force of storm valve, all for particular vendors safety valve, namely, different safety valves, need the respective special tool that goes into operation by force, the such as patent No. is the utility model patent of a kind of forcible unlocking tool of downhole safety valve of CN201120498726, this patent is only for the tool that goes into operation by force of Halliburton's safety valve, because thermal production well mostly is viscous crude, so enter difficulty under steel wire, and rely on self weight there will be cannot to open thermal production well safety valve clack valve, and its lower surface is the design of angle, is also unfavorable for opening thermal recovery safety valve; And the connecting portion of this patent seating portion and body is right-angle structure, lower membership is had an impact.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of forcible unlocking tool of downhole safety valve for thermal production well, this tool integrative-structure that goes into operation by force, and structure is simple, is easy to processing, enters under being convenient to steel wire instrument, successfully opens thermal recovery safety valve.
For solving the problems of the technologies described above, the utility model provides a kind of forcible unlocking tool of downhole safety valve for thermal production well, comprise and enter part, seating portion and body under integrative-structure from top to bottom, the running part is the cylinder with hollow structure, the inwall of described cylinder hollow structure is provided with projection, be provided with taper seat step between described seating portion and described body, described body is hollow cylinder.
Preferably, the lower surface of described body is plane.
Preferably, the material of the described tool that goes into operation by force adopts steel.
Preferably, one end inwall that described cylinder hollow structure closes on opening is provided with annular protrusion.
The utility model technique scheme has following beneficial effect:
1, the utility model is structure as a whole, and structure is simple, easy to process.
2, be provided with taper seat step between the utility model seating portion and body, make it can match with the central tube of the storm valve of thermal production well, clamping more fastening, again can be lower fashionable in oil pipe, avoid the tool that goes into operation by force of the application to be connected between body.
3, body of the present utility model is the cylinder of hollow heavy wall, increases the application and to go into operation by force the weight of tool, enable the utility model open the clack valve of thermal production well storm valve smoothly.
4, enter the projection in part hollow under the utility model, for entering instrument under clamping steel wire, eliminate the salvaging footpath and other auxiliary equipment that enter part under in prior art, structure is simple, convenient operation.
5, body lower surface of the present utility model is plane, makes it be more applicable for opening the clack valve of thermal production well storm valve.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solutions of the utility model, and forms a part for manual, is used from explanation the technical solution of the utility model, does not form the restriction to technical solutions of the utility model with the embodiment one of the application.
Fig. 1 is that the utility model goes into operation by force the structural representation of tool,
Fig. 2 be in the utility model under enter part top view.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, hereinafter will be described in detail to embodiment of the present utility model by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined mutually.
Embodiment as depicted in figs. 1 and 2, a kind of forcible unlocking tool of downhole safety valve for thermal production well, the material of the described tool that goes into operation by force adopts steel, overall in cylindric, the tool that goes into operation by force comprises and enters part 1, seating portion 2 and body 3 under integrative-structure from top to bottom, and be provided with taper seat step 4 between described seating portion 2 and described body 3, the diameter of described taper seat step 4 from top to bottom reduces successively, described body 3 is hollow cylinder, and the lower surface of body 3 is plane; Under enter part 1 for having the cylinder of hollow structure, one end inwall that cylinder hollow structure closes on opening is provided with annular protrusion 5, and this projection 5 is for entering tool-joint under clamping steel wire.
The strong extraction of root of the utility model to thermal production well storm valve is: enter in the hollow structure of part 1 by entering under steel wire under tool-joint connects, and make tool card be connected on protruding 5 places, by the utility model by entering in the central tube of thermal production well storm valve under steel wire instrument, be connected on safety valve central tube to taper seat step 4, body 3 realizes opening safety valve clack valve simultaneously, finally, operated by jarring, spin off in the hollow structure entering instrument under steel wire and to enter from down part 1.
Although it is apparent to those skilled in the art that embodiment described in the utility model as above, the embodiment that described content only adopts for ease of understanding the utility model, and be not used to limit the utility model.Those of skill in the art belonging to any the utility model; under the prerequisite not departing from the spirit and scope disclosed by the utility model; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present utility model, the scope that still must define with appending claims is as the criterion.
Claims (4)
1. the forcible unlocking tool of downhole safety valve for thermal production well, comprise and enter part, seating portion and body under integrative-structure from top to bottom, it is characterized in that, the running part is the cylinder with hollow structure, the inwall of described cylinder hollow structure is provided with projection, be provided with taper seat step between described seating portion and described body, described body is hollow cylinder.
2. the tool that goes into operation by force according to claim 1, is characterized in that, the lower surface of described body is plane.
3. the tool that goes into operation by force according to claim 1 and 2, is characterized in that, the material of the described tool that goes into operation by force adopts steel.
4. the tool that goes into operation by force according to claim 1 and 2, is characterized in that, described cylinder hollow structure one end inwall is provided with annular protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533170.1U CN204140020U (en) | 2014-09-16 | 2014-09-16 | A kind of forcible unlocking tool of downhole safety valve for thermal production well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533170.1U CN204140020U (en) | 2014-09-16 | 2014-09-16 | A kind of forcible unlocking tool of downhole safety valve for thermal production well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140020U true CN204140020U (en) | 2015-02-04 |
Family
ID=52416713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533170.1U Expired - Lifetime CN204140020U (en) | 2014-09-16 | 2014-09-16 | A kind of forcible unlocking tool of downhole safety valve for thermal production well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140020U (en) |
-
2014
- 2014-09-16 CN CN201420533170.1U patent/CN204140020U/en not_active Expired - Lifetime
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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: CHINA OILFIELD SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA OILFIELD SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150204 |