CN201891412U - Sampling valve for oil well - Google Patents
Sampling valve for oil well Download PDFInfo
- Publication number
- CN201891412U CN201891412U CN2010206456231U CN201020645623U CN201891412U CN 201891412 U CN201891412 U CN 201891412U CN 2010206456231 U CN2010206456231 U CN 2010206456231U CN 201020645623 U CN201020645623 U CN 201020645623U CN 201891412 U CN201891412 U CN 201891412U
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- oil
- valve body
- valve
- sample
- spool
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Abstract
The utility model belongs to the device is used in the oil field production, concretely relates to oil well sample valve, including valve body, case, honeycomb duct and play oil pipe, the oil inlet of valve body with honeycomb duct connection, the external screw thread on case surface and the internal thread engagement of valve body internal surface, the one end of case with the oil inlet of valve body seals up the cooperation, it sets up the one side at the valve body to go out oil pipe. The utility model discloses install on oil pipe, when not taking a sample, be the cavity in the sample valve, can not have the stifled problem of freezing, also need not to empty air before the sample, the case can only use moreover and just can switch with case matched with special spanner, the sample valve can't be opened and shut at will to the external personnel.
Description
Technical field
The utility model belongs to the field produces device, is specifically related to a kind of oil well sample valve.
Background technology
Oil well sampling is a simple and important job, and take a sample, whether the whether accurate oil production that is related to oil well is accurate, whether the oil field development data are true.The sample cock of oil field use at present mostly is common hand wheel type flashboard valve, as shown in Figure 1, the valve body 101 of this valve is installed in the crude oil pipeline outside by a short tube 102, and easily freeze stifled winter, and gently then causing taking a sample weighing then causes the valve bursting by freezing to cause crude oil leakage.Further, this valve does not have anti-theft feature, provides convenience for lawless person's stolen, and more some local common people deliberately opens sample cock and causes crude oil leakage, causes pollution in wide area to ask for pollution charges.Because the mounting means of this valve has determined the crude oil oil sample of its taking-up to flow out from the oil pipe tube wall, can not measure the real moisture ratio of the inner crude oil of oil pipe exactly.In order to obtain oil sample more accurately, usually adopt emptying before the sampling mode, bleed off one section liquid of the preceding caecum of valve, this part liquid need be collected with a bucket, because oil well quantity is a lot, need a lot of collecting vessels to come the liquid of collecting and sampling emptying, also there is stolen possibility in the collecting vessel that is placed on the well site, therefore the emptying of taking a sample can only be put on the well site, has caused unnecessary pollution.Such sampling mode is very inconvenient, the worker's not emptying when sampling that causes recovering the oil individually, and direct sample has caused sampling moisture very inaccurate.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of oil well sample valve antifreeze, antitheft, easy to use.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of oil well sample valve, comprise valve body, spool, mozzle and flowline, the oil-in of described valve body is connected with described mozzle, the external screw thread of described spool face and the engagement of the internal thread of valve interior surface, one end of described spool and the oil-in of described valve body are sealed and matched, and described flowline is arranged on a side of valve body.
In the such scheme, the oil-in of described mozzle is the inclined-plane opening, and opening direction is opposite with the crude oil flow direction.
In the such scheme, the end that the oil-in of described spool and described valve body is sealed and matched is taper.
In the such scheme, described spool is provided with erose groove or projection away from an end of oil-in.
In the such scheme, be provided with sealing ring between described spool and the valve body, described sealing ring is arranged in the groove on the spool.
Compared with prior art, the beneficial effect of the technical solution of the utility model generation is as follows:
The utility model is installed on the oil pipe, in the time of need not taking a sample, is cavity in the sample valve, can not exist and freeze stifled problem, also need not emptying before the sampling, and spool can only use the special spanner that matches with spool could switch, external personnel are the switch sample valve arbitrarily.
Description of drawings
Fig. 1 is the structural representation of sample valve in the prior art;
The structural representation of the oil well sample valve that Fig. 2 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples technical solutions of the utility model are described in detail.
As shown in Figure 2, the utility model embodiment provides a kind of oil well sample valve, comprises valve body 2, spool 3, mozzle 1 and flowline 5, and the oil-in of valve body 2 is connected with mozzle 1, the oil-in of mozzle 1 is the inclined-plane opening, and opening direction is opposite with the crude oil flow direction.The internal thread engagement of the external screw thread on spool 3 surfaces and valve body 2 inner surfaces, one end of spool 3 is taper, be sealed and matched with the oil-in of valve body 2, the other end of spool 3 is provided with erose groove or projection, as being made into non-positive five jiaos of grooves or non-positive five jiaos of projectioies, be used with special spanner.Flowline 5 is arranged on a side of valve body 2.Also be provided with O RunddichtringO 4 between spool 3 and the valve body 2, O RunddichtringO 4 is arranged in the groove on the spool 3.
When the utility model level was installed on the vertical pipeline, mozzle 1 was installed in the vertical pipeline, and the opening diameter of mozzle 1 should be not less than 6 mm, the opening of mozzle 1 upwards, towards the liquid flow path direction, simultaneously, the central point of the inclined-plane opening of mozzle 1 will overlap with the pipe center line; The oil-out of flowline 5 vertically downward.The sample inlet point should be greater than the l/4 of pipeline internal diameter to the distance of pipeline inwall; The position of mozzle 1 is 3 times of pipeline internal diameters far from the beeline of upstream bend pipe, but preferably is no more than 5 times of pipeline internal diameters, is 0.5 times of pipeline internal diameter from the beeline of downstream bend pipe.
When mozzle of the present utility model is installed in the horizontal pipeline, should be installed in the pump outlet side.The sample inlet point should be greater than the l/4 of pipeline internal diameter to the distance of pipeline inwall, and mozzle 1 is 0.5～8 times of pipeline internal diameter to the distance of pump discharge.
When needing sampling, have only the staff to use special spanner that spool is screwed out, the tapering point of spool is separated with the valve body oil-in, the crude oil in the pipeline promptly enters valve body by the mozzle that inserts pipe center, and the flowline from the valve body is discharged again.After sampling finishes, precession spool again, when spool and valve body sealed fully, the crude oil of body cavity was discharged from valve body, this moment valve body interior is cavity, do not exist and freeze stifled problem.
The utility model is in the pipe center sampling, has guaranteed that oil sample contains the accuracy of water gaging.Generally speaking, the utility model inside is cavity, does not exist winter and freezes stifled problem, when needs are sampled, also need not to carry out emptying manipulation, makes sampling operation become convenient and simple.Because an end of the utility model spool adopts irregular groove and projection, does not have the external personnel of special tool also just can't open sample valve, therefore, has also just avoided the artificial origin to cause crude oil pollution.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. oil well sample valve, comprise valve body, spool, mozzle and flowline, it is characterized in that: the oil-in of described valve body is connected with described mozzle, the external screw thread of described spool face and the engagement of the internal thread of valve interior surface, one end of described spool and the oil-in of described valve body are sealed and matched, and described flowline is arranged on a side of valve body.
2. oil well sample valve as claimed in claim 1 is characterized in that: the oil-in of described mozzle is the inclined-plane opening, and opening direction is opposite with the crude oil flow direction.
3. oil well sample valve as claimed in claim 1 is characterized in that: the end that the oil-in of described spool and described valve body is sealed and matched is taper.
4. oil well sample valve as claimed in claim 1 is characterized in that: described spool is provided with erose groove or projection away from an end of oil-in.
5. oil well sample valve as claimed in claim 1 is characterized in that: be provided with sealing ring between described spool and the valve body, described sealing ring is arranged in the groove on the spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206456231U CN201891412U (en) | 2010-12-07 | 2010-12-07 | Sampling valve for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206456231U CN201891412U (en) | 2010-12-07 | 2010-12-07 | Sampling valve for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891412U true CN201891412U (en) | 2011-07-06 |
Family
ID=44220889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206456231U Expired - Lifetime CN201891412U (en) | 2010-12-07 | 2010-12-07 | Sampling valve for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891412U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266866A (en) * | 2013-03-01 | 2013-08-28 | 中国石油天然气股份有限公司 | Key needle tube type anti-theft anti-freezing sampling valve |
| CN108316921A (en) * | 2017-01-17 | 2018-07-24 | 天津开发区兴衡石油机械配件有限公司 | A kind of Novel oil well automatic sampling apparatus |
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN114719033A (en) * | 2021-01-06 | 2022-07-08 | 中国石油天然气股份有限公司 | Oil well valve |
-
2010
- 2010-12-07 CN CN2010206456231U patent/CN201891412U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266866A (en) * | 2013-03-01 | 2013-08-28 | 中国石油天然气股份有限公司 | Key needle tube type anti-theft anti-freezing sampling valve |
| CN108316921A (en) * | 2017-01-17 | 2018-07-24 | 天津开发区兴衡石油机械配件有限公司 | A kind of Novel oil well automatic sampling apparatus |
| CN108316921B (en) * | 2017-01-17 | 2023-09-08 | 天津兴衡石油装备制造有限公司 | Automatic sampling device for oil well |
| CN111397974A (en) * | 2019-01-02 | 2020-07-10 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN111397974B (en) * | 2019-01-02 | 2023-03-24 | 中国石油天然气股份有限公司 | Sampling protection device and system |
| CN114719033A (en) * | 2021-01-06 | 2022-07-08 | 中国石油天然气股份有限公司 | Oil well valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |