CN205027518U - Anti - downhole tool cracking pressure testing arrangement that circulates - Google Patents
Anti - downhole tool cracking pressure testing arrangement that circulates Download PDFInfo
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- CN205027518U CN205027518U CN201520662939.4U CN201520662939U CN205027518U CN 205027518 U CN205027518 U CN 205027518U CN 201520662939 U CN201520662939 U CN 201520662939U CN 205027518 U CN205027518 U CN 205027518U
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- China
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- urceolus
- sealing ring
- reacting cycle
- subsurface tool
- pressure
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Abstract
The utility model provides an anti - downhole tool cracking pressure testing arrangement that circulates wherein installs including the urceolus, the urceolus is radially installed pressure testing and is connected, centre bore intercommunication urceolus inner chamber that this pressure testing connects, the internal diameter of urceolus will be greater than the anti - downhole tool's of circulation external diameter. The upper end of urceolus sets up the upper seal ring and presses the cap to press through the upper seal ring and buckles fixedly, and upper seal ring pressure cap lower extreme is connected with urceolus screw thread formula. The lower extreme of urceolus sets up the lower seal ring and presses the cap to press through the lower seal ring and buckles fixedly, be connected with urceolus screw thread formula on the lower seal ring pressure cap. All set up the sealing washer between upper and lower end outer wall of urceolus and the upper and lower sealing ring, also set up the sealing washer when the anti - downhole tool of circulation passes upper and lower sealing ring and between upper and lower the sealing. Form the annular space between urceolus and the anti - downhole tool of circulation. The utility model provides an adopt conventional test mode among the prior art, work load is great, the lower problem of work efficiency.
Description
Technical field
The utility model relates to Oil/gas Well reacting cycle subsurface tool device for detecting performance, especially a kind of reacting cycle subsurface tool opening pressure proving installation.
Background technology
At present, for the exploitation of many Low permeable oil and gas reservoirs, generally need to carry out the modification measures such as pressure break, acidifying, many employings packer process pipe string, when running in deblocking difficulty or fracturing process in the situation such as sand plug, need to carry out the measures such as reacting cycle well-flushing, therefore, tubing string top needs the subsurface tool meeting the requirement of reacting cycle well-flushing.And for the flow string of deep-seated oil gas well, sometimes need protective casing, need to adopt packer flow string, tubing string top needs reacting cycle passage equally.Reacting cycle subsurface tool is the very important ingredient of above-mentioned process pipe string, and its serviceability will directly have influence on the success or failure of technological measure.Therefore, need before going into the well to carry out comprehensive indoor performance detection to such subsurface tool.Reacting cycle subsurface tool opening pressure is this instrument very important technical parameter, need after tool assemble to test, at present, also there is no special proving installation, the test of this technical parameter is also more loaded down with trivial details, generally need reacting cycle subsurface tool to be connected on test tubing pup joint, and put into test casing, down through special joint, oil jacket annular space can only be communicated with by reacting cycle subsurface tool circulation passage with test string inside, during test, suppressed by annular space, when pressure reaches reacting cycle subsurface tool opening pressure, oil jacket is communicated with, complete the test of instrument opening pressure.This kind of test mode, before and after test, assembling and dismantlement work amount are comparatively large, if when Detection task amount is larger, work efficiency is lower, cannot meet simple to operate, efficient work requirements.
Utility model content
The purpose of this utility model is to provide a kind of reacting cycle subsurface tool opening pressure proving installation, solves in prior art and adopts conventional test manner, and workload is comparatively large, the problem that work efficiency is lower.
The purpose of this utility model realizes by following technical measures:
This reacting cycle subsurface tool opening pressure proving installation comprises urceolus, and described outer cylinder diameter is to installation action pressure-testing joint, and the center pit of this action pressure-testing joint is communicated with outer tube inner chamber, and the internal diameter of described urceolus is greater than the external diameter of reacting cycle subsurface tool.
The purpose of this utility model also realizes by following technical measures:
The upper end of described urceolus is arranged upper sealing ring and is fixed by the clinching of upper sealing ring pressure cap, and upper sealing ring pressure cap lower end is connected with urceolus screw-type.
The lower end of described urceolus is arranged lower sealing ring and is fixed by the clinching of lower sealing ring pressure cap, and lower sealing ring pressure cap upper end is connected with urceolus screw-type.
Between described urceolus upper and lower end outer wall and upper and lower sealing ring, all O-ring seal is set, when reacting cycle subsurface tool also arranges O-ring seal through during upper and lower sealing ring and upper and lower sealing.
Annular space is formed between described urceolus and reacting cycle subsurface tool.
The utility model has following beneficial effect:
This reacting cycle subsurface tool opening pressure proving installation adopts symmetrical expression design, compact conformation, and the installation of proving installation and tested instrument adopts sleeve type, and easy for installation, simple to operate, work efficiency is high; Hermetically-sealed construction and urceolus adopt split-type design, and hermetically-sealed construction can be changed according to tool external diameter size, are suitable for the test of the reacting cycle subsurface tool opening pressure of multiple outside dimension specification.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Mounting structure schematic diagram when Fig. 2 is utility model works.
In figure: upper sealing ring pressure cap 1-1, upper sealing ring 1-2, O-ring seal 1-3, urceolus 1-4, action pressure-testing joint 1-5, lower sealing ring 1-6, lower sealing ring pressure cap 1-7, O-ring seal 1-8, Inner eycle mouth 2-1, outer circulation mouth 2-2, sliding sleeve 2-3, shear pin 2-4, spring 2-5.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
According to Fig. 1-2, reacting cycle subsurface tool opening pressure proving installation, comprises urceolus 1-4, and described outer cylinder diameter is to installation action pressure-testing joint 1-5, and the center pit of this action pressure-testing joint is communicated with outer tube inner chamber, and the internal diameter of described urceolus is greater than the external diameter of reacting cycle subsurface tool.The upper end of described urceolus is arranged upper sealing ring 1-2 and is fixed by upper sealing ring pressure cap 1-1 clinching, and upper sealing ring pressure cap lower end is connected with urceolus screw-type.The lower end of described urceolus is arranged lower sealing ring 1-6 and is fixed by lower sealing ring pressure cap 1-7 clinching, and lower sealing ring pressure cap upper end is connected with urceolus screw-type.Between described urceolus upper and lower end outer wall and upper and lower sealing ring, all O-ring seal is set, when reacting cycle subsurface tool also arranges O-ring seal through during upper and lower sealing ring and upper and lower sealing.Annular space is formed between described urceolus and reacting cycle subsurface tool.
Reacting cycle subsurface tool comprises inner and outer tubes, interior pipe is offered Inner eycle hole 2-1, outer tube is offered outer circulation hole 2-2, sliding sleeve 2-3 is installed in the annular space between outer tube and interior pipe, sliding sleeve is connected the interface channel temporarily blocking Inner eycle hole and outer circulation hole with outer tube by shear pin 2-4, arrange spring 2-5 in the bottom of sliding sleeve.
Upper sealing ring pressure cap 1-1 bottom and urceolus 1-4 top are threaded connection, upper sealing ring 1-2 is between upper sealing ring pressure cap 1-1 and urceolus 1-4, urceolus 1-4 upper end is pressed on by upper sealing ring pressure cap 1-1, upper sealing ring 1-2 lower end endoporus matches with urceolus 1-4 upper end outside surface, mating surface is arranged O-ring seal 1-3.Overcoat 1-4 sidewall has the circular hole of a vertical axis, one end of action pressure-testing joint 1-5 is inserted in circular hole, by being welded to connect between action pressure-testing joint 1-5 and urceolus 1-4.Lower sealing ring pressure cap 1-7 top and urceolus 1-4 bottom are threaded connection, lower sealing ring 1-6 is 1-4 between lower sealing ring pressure cap 1-7 and urceolus, urceolus 1-4 lower end is pressed on by lower sealing ring pressure cap 1-7, lower sealing ring 1-6 upper end endoporus matches with urceolus 1-4 lower end outside surface, and mating surface arranges O-ring seal.
The working method of reacting cycle subsurface tool opening pressure proving installation:
Reacting cycle subsurface tool opening pressure proving installation is sleeved on 2-2 position, reacting cycle subsurface tool outer circulation hole, the sealing of proving installation and subsurface tool is realized by O-ring seal 1-8, O-ring seal 1-8 is arranged in the seal groove inside upper sealing ring 1-2, lower sealing ring 1-6, and the position of O-ring seal 1-8 is positioned at the both sides of the outer circulation hole 2-2 wanting testing tool.Suppressed to the annular space between proving installation and subsurface tool by proving installation action pressure-testing joint 1-5 during test, when pressure reach shear pin 2-4 on subsurface tool sliding sleeve 2-3 cut off pressure time, shear pin 2-4 is cut off, in annular space, pressure promotes sliding sleeve 2-3 and moves down also Compress Spring 2-5, sliding sleeve 2-3 is opened, record shear pin 2-4 cuts off pressure, completes the test of reacting cycle subsurface tool opening pressure.In like manner, for the reacting cycle subsurface tool adopting other opening pressure setting meanss, as adopted spring force etc. completely, aforesaid operations method can be adopted equally to test.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (5)
1. a reacting cycle subsurface tool opening pressure proving installation, is characterized in that, comprise urceolus, and described outer cylinder diameter is to installation action pressure-testing joint, and the center pit of this action pressure-testing joint is communicated with outer tube inner chamber, and the internal diameter of described urceolus is greater than the external diameter of reacting cycle subsurface tool.
2. a kind of reacting cycle subsurface tool opening pressure proving installation according to claim 1, it is characterized in that, the upper end of described urceolus is arranged upper sealing ring and is fixed by the clinching of upper sealing ring pressure cap, and upper sealing ring pressure cap lower end is connected with urceolus screw-type.
3. a kind of reacting cycle subsurface tool opening pressure proving installation according to claim 2, it is characterized in that, the lower end of described urceolus is arranged lower sealing ring and is fixed by the clinching of lower sealing ring pressure cap, and lower sealing ring pressure cap upper end is connected with urceolus screw-type.
4. a kind of reacting cycle subsurface tool opening pressure proving installation according to claim 3, it is characterized in that, between described urceolus upper and lower end outer wall and upper and lower sealing ring, all O-ring seal is set, when reacting cycle subsurface tool also arranges O-ring seal through during upper and lower sealing ring and upper and lower sealing.
5. a kind of reacting cycle subsurface tool opening pressure proving installation according to claim 1, is characterized in that, form annular space between described urceolus and reacting cycle subsurface tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662939.4U CN205027518U (en) | 2015-08-28 | 2015-08-28 | Anti - downhole tool cracking pressure testing arrangement that circulates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662939.4U CN205027518U (en) | 2015-08-28 | 2015-08-28 | Anti - downhole tool cracking pressure testing arrangement that circulates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027518U true CN205027518U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520662939.4U Expired - Fee Related CN205027518U (en) | 2015-08-28 | 2015-08-28 | Anti - downhole tool cracking pressure testing arrangement that circulates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482934A (en) * | 2015-08-28 | 2017-03-08 | 中国石油化工股份有限公司 | Reacting cycle downhole tool Opening pressure test device and method |
| CN115704316A (en) * | 2021-08-12 | 2023-02-17 | 中国石油化工股份有限公司 | Throwing rod type pipe inspection device and application thereof |
-
2015
- 2015-08-28 CN CN201520662939.4U patent/CN205027518U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482934A (en) * | 2015-08-28 | 2017-03-08 | 中国石油化工股份有限公司 | Reacting cycle downhole tool Opening pressure test device and method |
| CN115704316A (en) * | 2021-08-12 | 2023-02-17 | 中国石油化工股份有限公司 | Throwing rod type pipe inspection device and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20190828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |