CN204269312U - A kind of helium nitrogen gas mixing device for gases at high pressure leak detection - Google Patents
A kind of helium nitrogen gas mixing device for gases at high pressure leak detection Download PDFInfo
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- CN204269312U CN204269312U CN201420811688.7U CN201420811688U CN204269312U CN 204269312 U CN204269312 U CN 204269312U CN 201420811688 U CN201420811688 U CN 201420811688U CN 204269312 U CN204269312 U CN 204269312U
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- air intake
- helium
- high pressure
- gases
- leak detection
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Abstract
The utility model discloses a kind of helium nitrogen gas mixing device for gases at high pressure leak detection, comprise main pipeline, described main pipeline one end is blind end, the other end is endpiece, described endpiece is provided with joint, described main pipeline is provided with plural air intake opening, and an air intake opening is for connecting helium tank, and all the other air intake openings are for connecting nitrogen cylinder.Described air intake opening is provided with screw thread, and described helium tank and nitrogen cylinder are threaded connection and are connected corresponding air intake opening respectively.Described air intake opening is 8.The side of described main pipeline is provided with 4 air intake openings, and opposite side is arranged with 4 air intake openings.Described joint is connected with valve.Described blind end is provided with plug.Adopt the helium nitrogen gas mixing device for gases at high pressure leak detection of the present utility model, can realize connecting the Rapid Combination of gas cylinder, reach the object that gas mixes to scale, there is structure simple, be easy to assembling, the advantage of long service life.
Description
Technical field
The utility model relates to gases at high pressure leak detection field, particularly a kind of helium nitrogen gas mixing device for gases at high pressure leak detection.
Background technology
Oil, sleeve pipe due in processing, transport, unavoidably there is mismachining tolerance in use procedure, collide with, such environmental effects and enter well and operate the phenomenons such as inadequate specification, part screw thread can be caused cannot to reach design sealing effectiveness.And oil, after sleeve pipe couples together, once tubing and casing connecting thread leaks, wellbore integrity will be destroyed, may serious consequence be caused.So the necessary thread to entering well casing post carries out sealing propertytest.
High pressure gas leak detection is the method utilizing high pressure helium nitrogen mixture gas to realize leak detection, to injecting high pressure helium nitrogen mixture gas in tubing string, highly sensitive leak locator is utilized to carry out helium detection in tubing string screw thread outside again, within a certain period of time, leak locator is reported to the police after detecting helium, and the screw thread seal failure of oil pipe, sleeve pipe or aid is described; If leak locator is not reported to the police, then good seal is described.
Regulation in the industry standard (SY/T6872-2012) of oil, casing gas sealing detection technology, be 10%-13% for the content of helium in the helium nitrogen mixture gas that detects, a kind of helium nitrogen gas mixing device is not also had, better to realize the quick connection of gas cylinder and the control of helium nitrogen ratio in prior art.
Utility model content
The object of the utility model embodiment is the defect for above-mentioned prior art, provides a kind of can realization to connect the Rapid Combination of gas cylinder, reaches the helium nitrogen gas mixing device for gases at high pressure leak detection that gas mixes to scale.
The technical scheme that the utility model is taked to achieve these goals is:
A kind of helium nitrogen gas mixing device for gases at high pressure leak detection, comprise main pipeline, described main pipeline one end is blind end, the other end is endpiece, described endpiece is provided with joint, described main pipeline is provided with plural air intake opening, and an air intake opening is for connecting helium tank, and all the other air intake openings are for connecting nitrogen cylinder.
Described air intake opening is provided with screw thread, and described helium tank and nitrogen cylinder are threaded connection and are connected corresponding air intake opening respectively.
Described air intake opening is 8.
The side of described main pipeline is provided with 4 air intake openings, and opposite side is arranged with 4 air intake openings.
Described joint is connected with valve.
Described blind end is provided with plug.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Adopt the helium nitrogen gas mixing device for gases at high pressure leak detection of the present utility model, can realize connecting the Rapid Combination of gas cylinder, reach gas and mix to scale, there is structure simple, be easy to assembling, the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the helium nitrogen gas mixing device for gases at high pressure leak detection provided in the utility model embodiment 1.
In figure:
1-plug; 2-air intake opening; 3-main pipeline; 4-joint; 5-blind end, 6-endpiece; 7-valve.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1, a kind of helium nitrogen gas mixing device for gases at high pressure leak detection, comprise main pipeline 3, main pipeline 3 one end is blind end 5, the other end is endpiece 6, and described endpiece is provided with joint 4, and described main pipeline 3 is provided with plural air intake opening 2, an air intake opening 2 is for connecting helium tank, and all the other air intake openings 2 are for connecting nitrogen cylinder.
The utility model utilizes the passage of multinomial gas inlet, realizes connecting the Rapid Combination of gas cylinder, to reach the object that gas mixes to scale, has compact conformation, the advantage that cost is low, easy to maintenance.
In the present embodiment, for realizing quick connection, air intake opening 2 is provided with screw thread, and described helium tank and nitrogen cylinder are threaded connection and are connected corresponding air intake opening respectively.
In the present embodiment, air intake opening 2 is 8.
The utility model according to actual needs, an air intake opening connects helium tank, all the other 7 air intake openings connect nitrogen cylinder, the conveying mixed volume ratio of actual nitrogen and helium is made to reach 7:1, meet actual in nitrogen and helium ratio demand in detection, use device of the present utility model, ensure that nitrogen and helium mix according to the amount of regulation, handled easily and control.
In the present embodiment, preferably, the side of main pipeline 1 is provided with 4 air intake openings, and opposite side is arranged with 4 air intake openings.The utility model also according to the needs of inspection, can arrange more air intake opening.
In the present embodiment, joint 4 is connected with valve 7.
Mixed gas of the present utility model utilizes Valve controlling to export, and can regulate the operational throughput of mixed gas, to adapt to the demand for mixed gas delivery amount in gases at high pressure leak detection.
In the present embodiment, blind end 5 is provided with plug 1.
The utility model is closed by plug one end by main pipeline, has and is easy to processing, assemble advantage easily.
Helium nitrogen gas mixing device of the present utility model solves the convenient use in scene and the technical requirement of gases at high pressure leak detection.Realize rapid and convenient being connected to gas cylinder, meet site operation requirement, reach gas and mix to scale, the gas of mixing utilizes Valve controlling to export, and has the advantage that structure is simple, handling ease, cost are low and easy to maintenance.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the helium nitrogen gas mixing device for gases at high pressure leak detection, it is characterized in that, comprise main pipeline, described main pipeline one end is blind end, the other end is endpiece, and described endpiece is provided with joint, and described main pipeline is provided with plural air intake opening, an air intake opening is for connecting helium tank, and all the other air intake openings are for connecting nitrogen cylinder.
2. the helium nitrogen gas mixing device for gases at high pressure leak detection according to claim 1, it is characterized in that, described air intake opening is provided with screw thread, and described helium tank and nitrogen cylinder are threaded connection and are connected corresponding air intake opening respectively.
3. the helium nitrogen gas mixing device for gases at high pressure leak detection according to claim 2, it is characterized in that, described air intake opening is 8.
4. the helium nitrogen gas mixing device for gases at high pressure leak detection according to claim 3, it is characterized in that, the side of described main pipeline is provided with 4 air intake openings, and opposite side is arranged with 4 air intake openings.
5. the helium nitrogen gas mixing device for gases at high pressure leak detection according to any one of claim 1-4, it is characterized in that, described joint is connected with valve.
6. the helium nitrogen gas mixing device for gases at high pressure leak detection according to claim 5, it is characterized in that, described blind end is provided with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811688.7U CN204269312U (en) | 2014-12-18 | 2014-12-18 | A kind of helium nitrogen gas mixing device for gases at high pressure leak detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811688.7U CN204269312U (en) | 2014-12-18 | 2014-12-18 | A kind of helium nitrogen gas mixing device for gases at high pressure leak detection |
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| Publication Number | Publication Date |
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| CN204269312U true CN204269312U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420811688.7U Active CN204269312U (en) | 2014-12-18 | 2014-12-18 | A kind of helium nitrogen gas mixing device for gases at high pressure leak detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568335A (en) * | 2014-12-18 | 2015-04-29 | 四川安东油气工程技术服务有限公司 | Helium and nitrogen mixing device for high pressure gas leak detection |
| CN109341979A (en) * | 2018-10-30 | 2019-02-15 | 大连元利流体技术有限公司 | Nitrogen and helium leak check system |
-
2014
- 2014-12-18 CN CN201420811688.7U patent/CN204269312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568335A (en) * | 2014-12-18 | 2015-04-29 | 四川安东油气工程技术服务有限公司 | Helium and nitrogen mixing device for high pressure gas leak detection |
| CN109341979A (en) * | 2018-10-30 | 2019-02-15 | 大连元利流体技术有限公司 | Nitrogen and helium leak check system |
| CN109341979B (en) * | 2018-10-30 | 2020-04-17 | 大连元利流体技术有限公司 | Nitrogen and helium leak detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151126 Address after: 610052 Chenghua District, Chengdu, East Ring Road, No. two, No. 57, No. three, C Road, building No. 2, building No. 9, Patentee after: ANDONG DETECTION Co.,Ltd. Address before: 629000 Suining Province in the mountains of the ship in the west of China's modern logistics base Patentee before: SICHUAN ANTON OIL & GAS ENGINEERING TECHNOLOGY SERVICE CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191017 Address after: 841600 the Xinjiang Uygur Autonomous Region Bayinguoleng Mongolia Autonomous Prefecture Luntai County Hongqiao petroleum service area Patentee after: XINJIANG TONG'AO OIL FIELD TECHNOLOGY SERVICE Co.,Ltd. Address before: 610052, No. 9, No. 2, building C, No. three, two road, East Third Ring Road, Chenghua District, Sichuan, Chengdu, Patentee before: ANDONG DETECTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Tongao Testing Co.,Ltd. Address before: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG TONG'AO OIL FIELD TECHNOLOGY SERVICE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Tongao Testing Group Co.,Ltd. Address before: 841600 Hongqiao petroleum service area, Luntai County, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Tongao Testing Co.,Ltd. |