CN204511366U - The close button of a kind of anti-flush gas detects packer - Google Patents
The close button of a kind of anti-flush gas detects packer Download PDFInfo
- Publication number
- CN204511366U CN204511366U CN201420856975.XU CN201420856975U CN204511366U CN 204511366 U CN204511366 U CN 204511366U CN 201420856975 U CN201420856975 U CN 201420856975U CN 204511366 U CN204511366 U CN 204511366U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- packer
- ring
- described upper
- hole
- 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
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 229920001875 Ebonite Polymers 0.000 claims description 9
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 19
- 238000012856 packing Methods 0.000 description 7
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses the close button of a kind of anti-flush gas and detect packer, relate to oil field tubing and casing and connect air tightness detection equipment technical field; It includes mandrel, lower mandrel, valve seat, be provided with in valve seat pipeline and with the equalizer valve of pipeline connection and relief valve, upper mandrel and lower mandrel all have and sets hole, set the pipeline connection in hole and valve seat, upper mandrel set hole access upper piston and upper mandrel between annular space in, lower mandrel set hole access lower piston and lower mandrel between annular space in; The intercommunicating pore be interconnected is provided with in upper mandrel, valve seat and lower mandrel, upper mandrel is also provided with the back of the body on female, this being carried on the back mother is arranged on above voussoir ring, and lower mandrel end is provided with a guide head, the upper back of the body female with guide head is provided with the through hole be connected with intercommunicating pore; The utility model fundamentally eliminates the possibility of packer upper punch, completely eliminates the potential safety hazard of packer upper punch.
Description
Technical field
The utility model relates to oil field tubing and casing and connects air tightness detection equipment, particularly relates to the close button of a kind of anti-flush gas and detects 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.Especially when the two km left and right that setting of casing (oil pipe) is initial, flow resistance in sleeve pipe (oil pipe) is relatively little, cause the mud level in sleeve pipe (oil pipe) higher, namely to set a little following space very little in junction button lower end to be measured, be full of by mud even completely, once the first deblocking in lower end or in the process of pressurization lower end set tight, then gases at high pressure can be caused directly to be released by packer, its impulse force is very big, abnormally dangerous.
Summary of the invention
The purpose of this utility model is the deficiency effectively overcoming above-mentioned technology, provides the close button of a kind of anti-flush gas to detect packer, fundamentally eliminates the possibility of packer upper punch, completely eliminate the potential safety hazard of packer upper punch.
The technical solution of the utility model is achieved in that the close button of a kind of anti-flush gas detects packer, for detecting the tightness of tubing and casing, it includes mandrel and lower mandrel, be provided with valve seat between upper mandrel and lower mandrel, the axis of described upper mandrel is provided with voussoir ring, ebonite cylinder and upper piston from top to bottom successively; The axis of described lower mandrel is provided with lower piston, soft gum tube and lower wedge block ring from top to bottom successively; Its improvements are:
Be provided with in described valve seat pipeline and with the equalizer valve of pipeline connection and relief valve, described upper mandrel and lower mandrel all have and sets hole, set the pipeline connection in hole and valve seat, described upper mandrel set hole access upper piston and upper mandrel between annular space in, described lower mandrel set hole access lower piston and lower mandrel between annular space in;
The intercommunicating pore be interconnected is provided with in described upper mandrel, valve seat and lower mandrel, described upper mandrel is also provided with the back of the body on female, this being carried on the back mother is arranged on above voussoir ring, described lower mandrel end is provided with a guide head, the described upper back of the body female with guide head is provided with the through hole be connected with described intercommunicating pore.
In above-mentioned structure, described upper voussoir ring is provided with large circumferential rubber spring, described lower wedge block ring is provided with little circumferential rubber spring.
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, described upper mandrel top is provided 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 lower mandrel is also provided with a lower back female, this lower back mother is arranged on the below of lower wedge block ring.
In above-mentioned structure, the TOP of described upper mandrel is installed with a high pressure gas joint, by this high pressure gas fittings to outside air supply system.
The beneficial effects of the utility model are: the utility model detects on the basis of packer at existing airtight button and set up intercommunicating pore, make more than packing point to be communicated with on packer below packing point under packer, namely be communicated with air, thus the gathering of gas under making packer, below packing point, cannot be produced, therefore its pressure is equal with air, there will not be the situation that packer is released by gases at high pressure, fundamentally eliminate the possibility of packer upper punch, completely eliminate the potential safety hazard of packer upper punch.
[accompanying drawing explanation]
Fig. 1 is generalized section of the present utility model.
[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 close button of the anti-flush gas of one that the utility model discloses detects packer, and this packer is used for detecting the tightness of tubing and casing.Concrete, it includes mandrel 10 and lower mandrel 20, valve seat 30 is provided with between upper mandrel 10 and lower mandrel 20, the axis of upper mandrel 10 is provided with voussoir ring 101, ebonite cylinder 102 and upper piston 103 from top to bottom successively, upper voussoir ring 101 is provided with large circumferential rubber spring 104, be provided with a hard ring 105 between upper piston 103 and ebonite cylinder 102, between ebonite cylinder 102 and described upper voussoir ring 101, be provided with two hard rings 106 be stacked.Upper mandrel 10 top is provided with suspension ring 40, and suspension ring top has a through hole, described packer can be put into tubing and casing inside by these suspension ring 40.
The axis of lower mandrel 20 is provided with lower piston 201, soft gum tube 202 and lower wedge block ring 203 from top to bottom successively, lower wedge block 203 ring is provided with little circumferential rubber spring 204, a hard ring 205 is provided with between lower piston 201 and soft gum tube 202, two hard rings 206 be stacked are provided with between soft gum tube 202 and described lower wedge block ring 203, lower mandrel 20 is also provided with a lower back mother 207, this lower back mother 207 is arranged on the below of lower wedge block ring 203.
Further, be provided with in valve seat 30 pipeline and with the equalizer valve 301 of pipeline connection and relief valve 302, upper mandrel 10 and lower mandrel 20 all have and sets hole 50, set hole 50 and the pipeline connection in valve seat 30, in the annular space that the setting of described upper mandrel 10 is accessed between upper piston 103 and upper mandrel 10 in hole 50, in the annular space that the setting of described lower mandrel 20 is accessed between lower piston 201 and lower mandrel 20 in hole 50; The intercommunicating pore 60 be interconnected is provided with in upper mandrel 10, valve seat 30 and lower mandrel 20, described upper mandrel 10 is also provided with the back of the body female 70 on, on this, the back of the body female 70 is arranged on above voussoir ring 101, described lower mandrel 20 end is provided with a guide head 80, the described upper back of the body female 70 with guide head 80 is provided with the through hole be connected with described intercommunicating pore 60; The TOP of upper mandrel 10 is installed with a high pressure gas joint 90, is communicated to outside air supply system by this high pressure gas joint 90.
The utility model detects on the basis of packer at existing airtight button and has set up intercommunicating pore 60, make more than packing point to be communicated with on packer below packing point under packer, namely be communicated with air, thus the gathering of gas under making packer, below packing point, cannot be produced, therefore its pressure is equal with air, there will not be the situation that packer is released by gases at high pressure, fundamentally eliminate the possibility of packer upper punch, completely eliminate the potential safety hazard of packer upper punch.
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 (7)
1. the close button of anti-flush gas detects packer, for detecting the tightness of tubing and casing, it includes mandrel and lower mandrel, is provided with valve seat between upper mandrel and lower mandrel, and the axis of described upper mandrel is provided with voussoir ring, ebonite cylinder and upper piston from top to bottom successively; The axis of described lower mandrel is provided with lower piston, soft gum tube and lower wedge block ring from top to bottom successively; It is characterized in that:
Be provided with in described valve seat pipeline and with the equalizer valve of pipeline connection and relief valve, described upper mandrel and lower mandrel all have and sets hole, set the pipeline connection in hole and valve seat, described upper mandrel set hole access upper piston and upper mandrel between annular space in, described lower mandrel set hole access lower piston and lower mandrel between annular space in;
The intercommunicating pore be interconnected is provided with in described upper mandrel, valve seat and lower mandrel, described upper mandrel is also provided with the back of the body on female, this being carried on the back mother is arranged on above voussoir ring, described lower mandrel end is provided with a guide head, the described upper back of the body female with guide head is provided with the through hole be connected with described intercommunicating pore.
2. the close button of the anti-flush gas of one according to claim 1 detects packer, it is characterized in that: described upper voussoir ring is provided with large circumferential rubber spring, described lower wedge block ring is provided with little circumferential rubber spring.
3. the close button of the anti-flush gas of one according to claim 1 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. the close button of the anti-flush gas of one according to claim 1 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. the close button of the anti-flush gas of one according to claim 1 detects packer, it is characterized in that: described upper mandrel top is provided 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.
6. the close button of the anti-flush gas of one according to claim 1 detects packer, it is characterized in that: described lower mandrel is also provided with a lower back female, and this lower back mother is arranged on the below of lower wedge block ring.
7. the close button of the anti-flush gas of one according to claim 1 detects packer, it is characterized in that: the TOP of described upper mandrel is installed with a high pressure gas joint, by this high pressure gas fittings to outside air supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856975.XU CN204511366U (en) | 2014-12-30 | 2014-12-30 | The close button of a kind of anti-flush gas detects packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856975.XU CN204511366U (en) | 2014-12-30 | 2014-12-30 | The close button of a kind of anti-flush gas detects packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511366U true CN204511366U (en) | 2015-07-29 |
Family
ID=53709359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856975.XU Expired - Fee Related CN204511366U (en) | 2014-12-30 | 2014-12-30 | The close button of a kind of anti-flush gas detects packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204511366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206495A (en) * | 2019-06-04 | 2019-09-06 | 西南石油大学 | A kind of tubing and casing screwed connection air-leakage test packer |
-
2014
- 2014-12-30 CN CN201420856975.XU patent/CN204511366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206495A (en) * | 2019-06-04 | 2019-09-06 | 西南石油大学 | A kind of tubing and casing screwed connection air-leakage test packer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203476280U (en) | Improved oil sleeve gas tightness detection packer | |
| CN101696898B (en) | Leak detection tool for high-pressure blocking-sealing gas injection | |
| CN102418839B (en) | Sealing detection device for threads of pipe fitting in pipeline | |
| CN104595726A (en) | Natural gas pipeline system having leakage warming function | |
| CN101699029A (en) | High-pressure clamped sealing gas injection tool being used for leak detection of tube column and having function of trip prevention | |
| CN102564702B (en) | Device and system for testing packer in formation tester | |
| CN104764566B (en) | A kind of external tubing and casing pneumatic sealing test device and detection method | |
| CN206146755U (en) | High temperature pressurization section of thick bamboo performance testing device | |
| CN204511366U (en) | The close button of a kind of anti-flush gas detects packer | |
| CN103216209B (en) | Packer in tubing and casing sealing propertytest pipe | |
| CN102418840B (en) | Gas-collecting sleeve | |
| CN204437719U (en) | There is the Natural gas pipeline system of leakage warning function | |
| CN204788858U (en) | Fuel filter seal tightness test device | |
| CN204511365U (en) | One independently sets airtight button and detects packer | |
| CN201532295U (en) | High pressure clamping seal gas injection leakage checking tool with anti-jumping function | |
| CN204312017U (en) | Blanking plug for blocking gas production wellhead gas channel under pressure | |
| CN205192695U (en) | Coil pipe gas tightness detection device | |
| CN204535932U (en) | A kind of external tubing and casing pneumatic sealing test device | |
| CN102418841B (en) | Variable-diameter short-section thread-leakage detecting device in pipeline | |
| CN204729816U (en) | Quick release coupling | |
| CN102944370A (en) | Pressure device for airtightness detection of casing and manufacturing method thereof | |
| CN203188963U (en) | In-pipe packer for oil drivepipe leakproofness detection | |
| CN207364493U (en) | Rigid conduit pressure sealing structure | |
| CN106761507A (en) | A kind of shale gas well boll-weevil hanger and the shale gas gas production system containing the hanger | |
| CN201867287U (en) | Sealing detection device for threads on pipe fittings in pipeline |
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 |
Granted publication date: 20150729 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |