CN204511365U - One independently sets airtight button and detects packer - Google Patents
One independently sets airtight button and detects packer Download PDFInfo
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- CN204511365U CN204511365U CN201420856411.6U CN201420856411U CN204511365U CN 204511365 U CN204511365 U CN 204511365U CN 201420856411 U CN201420856411 U CN 201420856411U CN 204511365 U CN204511365 U CN 204511365U
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- mandrel
- packer
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- piston
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Abstract
The utility model discloses one and independently set airtight button detection packer, relate to oil field tubing and casing and connect air tightness detection equipment; It comprises a mandrel, be provided with in described mandrel and set impulse pipeline and pressurising impulse pipeline, in the described annular space set in annular space that impulse pipeline accesses between upper piston and mandrel respectively and between lower piston and mandrel, the ft connection of described pressurising impulse pipeline and mandrel, and on the mandrel sidewall of this connection position between upper piston and lower piston; The beneficial effects of the utility model are: setting impulse pipeline only provides and set and deblocking, pressurising impulse pipeline only provides high pressure to detect gas to detection space, after detection completes, after detecting the safe pressure of gas lower than setting, control deblocking again, thus the deblocking order of the top and bottom of packer can be considered.
Description
Technical field
The utility model relates to oil field tubing and casing and connects air tightness detection equipment, particularly relates to one and independently sets airtight button detection packer.
Background technology
Oil pipe in the projects such as gas well, association gas well and gas storage, sleeve pipe connect all tightness requirement, air-leakage test many employings packer that current tubing and casing connects is by inner for this junction of tubing and casing both sides packing, be filled with the nitrogen of authorized pressure, helium mix gas to airtight junction, whether have helium leakage with helium leak check instrument in this external detection connected.Existing packer is import or the domestic problem that all existence one is fatal, namely the first deblocking in the upper end of packer can not be guaranteed, and when the first deblocking in packer lower end, in packer, packer upwards pushes away by remaining gases at high pressure, thus make packer go out pit shaft, cause human casualty accident.
Summary of the invention
The purpose of this utility model is the deficiency effectively overcoming above-mentioned technology, provides a kind of and independently sets airtight button detection packer.
The technical solution of the utility model is achieved in that it comprises a mandrel, the upper end of described mandrel, is axially provided with large circumferential rubber spring and upper piston successively, and large circumferential rubber spring to be arranged on one on voussoir ring; The lower end of described mandrel, be axially provided with lower piston and little circumferential rubber spring successively, little circumferential rubber spring is arranged on a lower wedge block ring; An ebonite cylinder is provided with between described upper piston and upper voussoir ring, a soft gum tube is provided with between described lower piston and lower wedge block ring, its improvements are: be provided with in described mandrel and set impulse pipeline and pressurising impulse pipeline, in the described annular space set in annular space that impulse pipeline accesses between upper piston and mandrel respectively and between lower piston and mandrel, the ft connection of described pressurising impulse pipeline and mandrel, and on the mandrel sidewall of this connection position between upper piston and lower piston.
In above-mentioned structure, described mandrel is also provided with an intercommunicating pore, this intercommunicating pore runs through described mandrel.
In above-mentioned structure, be provided with a hard ring between described upper piston and ebonite cylinder, between ebonite cylinder and described upper voussoir ring, be provided with two hard rings be stacked.
In above-mentioned structure, be provided with a hard ring between described lower piston and soft gum tube, between soft gum tube and described lower wedge block ring, be provided with two hard rings be stacked.
In above-mentioned structure, it is female that described mandrel lower end is also provided with a lower back, and this lower back mother is arranged on the below of lower wedge block ring.
In above-mentioned structure, described mandrel top is connected with suspension ring, and suspension ring top has a through hole, described packer can be put into tubing and casing inside by these suspension ring.
In above-mentioned structure, described mandrel is connected by mandrel connector with between suspension ring, mandrel connector is made up of the first mandrel connector and the second mandrel connector, described second mandrel connector is threaded on mandrel, the lower end of the first mandrel mandrel connector is threaded in the second mandrel connector, and upper end is threaded with described suspension ring.
In above-mentioned structure, an adapter is provided with in described first mandrel connector, the connecting portion on this adapter and mandrel top is provided with pipeline connector, pipeline connector respectively with pressurising impulse pipeline and set impulse pipeline connection, adapter top is provided with the high pressure gas joint be communicated with described pipeline connector, and high pressure gas joint is connected to pressurising tracting pressuring hole respectively and sets tracting pressuring hole.
The beneficial effects of the utility model are: this kind of structure of the present utility model, be provided with two-way pressure source, wherein set impulse pipeline only to provide and set and deblocking, pressurising impulse pipeline only provides high pressure to detect gas to detection space, after detection completes, after detecting the safe pressure of gas lower than setting, control deblocking again, thus the deblocking order of the top and bottom of packer can be considered; Setting not tight for preventing from detecting lower packing point in gas punching course in addition, being provided with intercommunicating pore.
[accompanying drawing explanation]
Fig. 1 is generalized section of the present utility model;
Fig. 2 is the generalized section at A-A place in Fig. 1.
[detailed description of the invention]
Below in conjunction with drawings and Examples, the utility model will be further described.
With reference to shown in Fig. 1, the one that the utility model discloses independently sets airtight button and detects packer, it is noted that in order to better highlight concrete structure of the present utility model, in FIG, detects packer along wave separation in two sections by independently setting airtight button.Concrete, it comprises a mandrel 10, the top end of mandrel 10 is connected with suspension ring 20, this suspension ring 20 top has a through hole 201, described packer can be put into tubing and casing inside by these suspension ring 20, in the present embodiment, be connected by mandrel connector between mandrel 10 with suspension ring 20, in more detail, mandrel connector is made up of the first mandrel connector 301 and the second mandrel connector 302, described second mandrel connector 302 is threaded on mandrel 10, the lower end of the first mandrel connector 301 is threaded in the second mandrel connector 302, upper end is threaded with described suspension ring 20.
Further, the upper end of described mandrel 10, be axially provided with large circumferential rubber spring 101 and upper piston 102 successively, large circumferential rubber spring 101 to be arranged on one on voussoir ring 103; The lower end of described mandrel 10, be axially provided with lower piston 104 and little circumferential rubber spring 105 successively, little circumferential rubber spring 105 is arranged on a lower wedge block ring 106; Be provided with an ebonite cylinder 107 between upper piston 102 and upper voussoir ring 103, be provided with a hard ring 108 between upper piston 102 and ebonite cylinder 107, between ebonite cylinder 107 and described upper voussoir ring 103, be provided with two hard rings 109 be stacked; A soft gum tube 110 is provided with between lower piston 104 and lower wedge block ring 106, a hard ring 111 is provided with between lower piston 104 and soft gum tube 110, two hard rings 112 be stacked are provided with between soft gum tube 110 and described lower wedge block ring 103, mandrel 10 lower end is also provided with a lower back mother 113, and this lower back mother 113 is arranged on the below of lower wedge block ring 103.
In addition, as improvements over the prior art, be provided with in mandrel 10 of the present utility model and set impulse pipeline 40 and pressurising impulse pipeline 50, in the described annular space set in annular space that impulse pipeline 40 accesses between upper piston 102 and mandrel 10 respectively and between lower piston 104 and mandrel 10, the ft connection of described pressurising impulse pipeline 50 and mandrel 10, and on the mandrel sidewall of this connection position between upper piston 102 and lower piston 104.Shown in composition graphs 2, mandrel 10 is also provided with an intercommunicating pore 60, this intercommunicating pore 60 runs through described mandrel 10, sets not tight for preventing from detecting lower packing point in gas punching course.
An adapter 70 is provided with in the first above-mentioned mandrel connector 302, this adapter 70 is provided with pipeline connector 80 with the connecting portion on mandrel 10 top, pipeline connector 80 respectively with pressurising impulse pipeline 50 with set impulse pipeline 40 and be communicated with, adapter 70 top is provided with the high pressure gas joint 90 be communicated with described pipeline connector 80, and high pressure gas joint 90 is connected to pressurising tracting pressuring hole 901 respectively and sets tracting pressuring hole 902.
This kind of structure of the present utility model, be provided with two-way pressure source, wherein set impulse pipeline 40 only to provide and set and deblocking, pressurising impulse pipeline 50 only provides high pressure to detect gas to detection space, after detection completes, after detecting the safe pressure of gas lower than setting, control deblocking again, thus the deblocking order of the top and bottom of packer can be considered; Setting not tight for preventing from detecting lower packing point in gas punching course in addition, being provided with intercommunicating pore.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the utility model is protected.
Claims (8)
1. independently set airtight button and detect a packer, it comprises a mandrel, the upper end of described mandrel, is axially provided with large circumferential rubber spring and upper piston successively, and large circumferential rubber spring to be arranged on one on voussoir ring; The lower end of described mandrel, be axially provided with lower piston and little circumferential rubber spring successively, little circumferential rubber spring is arranged on a lower wedge block ring; An ebonite cylinder is provided with between described upper piston and upper voussoir ring, a soft gum tube is provided with between described lower piston and lower wedge block ring, it is characterized in that: be provided with in described mandrel and set impulse pipeline and pressurising impulse pipeline, in the described annular space set in annular space that impulse pipeline accesses between upper piston and mandrel respectively and between lower piston and mandrel, the ft connection of described pressurising impulse pipeline and mandrel, and on the mandrel sidewall of this connection position between upper piston and lower piston.
2. one according to claim 1 independently sets airtight button and detects packer, and it is characterized in that: described mandrel is also provided with an intercommunicating pore, this intercommunicating pore runs through described mandrel.
3. one according to claim 1 independently sets airtight button and detects packer, it is characterized in that: be provided with a hard ring between described upper piston and ebonite cylinder, be provided with two hard rings be stacked between ebonite cylinder and described upper voussoir ring.
4. one according to claim 1 independently sets airtight button and detects packer, it is characterized in that: be provided with a hard ring between described lower piston and soft gum tube, be provided with two hard rings be stacked between soft gum tube and described lower wedge block ring.
5. one according to claim 1 independently sets airtight button and detects packer, it is characterized in that: it is female that described mandrel lower end is also provided with a lower back, and this lower back mother is arranged on the below of lower wedge block ring.
6. one according to claim 1 independently sets airtight button and detects packer, it is characterized in that: described mandrel top is connected with suspension ring, and suspension ring top has a through hole, described packer can be put into tubing and casing inside by these suspension ring.
7. one according to claim 6 independently sets airtight button and detects packer, it is characterized in that: described mandrel is connected by mandrel connector with between suspension ring, mandrel connector is made up of the first mandrel connector and the second mandrel connector, described second mandrel connector is threaded on mandrel, the lower end of the first mandrel mandrel connector is threaded in the second mandrel connector, and upper end is threaded with described suspension ring.
8. one according to claim 7 independently sets airtight button and detects packer, it is characterized in that: in described first mandrel connector, be provided with an adapter, the connecting portion on this adapter and mandrel top is provided with pipeline connector, pipeline connector respectively with pressurising impulse pipeline and set impulse pipeline connection, adapter top is provided with the high pressure gas joint be communicated with described pipeline connector, and high pressure gas joint is connected to pressurising tracting pressuring hole respectively and sets tracting pressuring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856411.6U CN204511365U (en) | 2014-12-30 | 2014-12-30 | One independently sets airtight button and detects packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856411.6U CN204511365U (en) | 2014-12-30 | 2014-12-30 | One independently sets airtight button and detects packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511365U true CN204511365U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856411.6U Expired - Fee Related CN204511365U (en) | 2014-12-30 | 2014-12-30 | One independently sets airtight button and detects packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204511365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075386A (en) * | 2019-12-27 | 2020-04-28 | 何华 | Packer for petroleum pipe airtight detection |
-
2014
- 2014-12-30 CN CN201420856411.6U patent/CN204511365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075386A (en) * | 2019-12-27 | 2020-04-28 | 何华 | Packer for petroleum pipe airtight detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000, West Coast Building, Nanshan District commercial culture center, Shenzhen, Guangdong, 2010 Patentee after: Shenzhen, Dorset, Polytron Technologies Inc Address before: 518000, West Coast Building, Nanshan District commercial culture center, Shenzhen, Guangdong, 2010 Patentee before: Shenzhen Fluid Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20171230 |