CN213117504U - Sampling valve for oil well - Google Patents
Sampling valve for oil well Download PDFInfo
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- CN213117504U CN213117504U CN202021843196.8U CN202021843196U CN213117504U CN 213117504 U CN213117504 U CN 213117504U CN 202021843196 U CN202021843196 U CN 202021843196U CN 213117504 U CN213117504 U CN 213117504U
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- valve body
- oil well
- lead screw
- valve
- sampling
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Abstract
The utility model relates to the technical field of oil well oil sampling equipment, and provides a sampling valve for an oil well, which comprises a valve body connected with a vertical pipe, wherein a plunger unit is arranged in the valve body and connected with a transmission unit, the transmission unit is connected with an adjusting unit, the end part of the valve body close to the vertical pipe side is provided with a sample inlet, the valve body is also provided with a sample outlet, and the sample inlet is in an inclined shape; by adopting the technical scheme, the worker does not need to weld a section of hollow pipe on the vertical pipe in advance, and the emptying is avoided, so that the worker only carries one sample barrel for sampling at each time, and the sampling device is convenient and meets the environmental protection requirement of forbidding the open-air storage of oil gas.
Description
Technical Field
The utility model relates to an oil well oil sampling equipment technical field, concretely relates to sampling valve for oil well.
Background
In order to accurately master the production condition of the oil well, a field manager must regularly get a part of samples from the position of a riser in a wellhead flow, and the samples are tested by a tester to calculate the actual oil production of the oil well, so that accurate data are provided for the injection production allocation of the whole block or oil field.
In the prior art, sampling is carried out on a wellhead vertical pipe of an oil well, namely, a section of hollow pipe is welded before the vertical pipe is lifted, a ball valve is installed on the hollow pipe, and well fluid in the section of hollow pipe needs to be put into a sewage discharge barrel until sampling can be carried out after fresh well fluid is seen due to the fact that the components of the well fluid in the hollow pipe are changed after the ball valve is closed. The staff must carry two appearance buckets at every turn of taking a sample, and is neither convenient, can't handle again and need discharge the well liquid that the blowdown bucket has changed, does not conform to the environmental protection requirement of forbidding the open-air storage of oil gas simultaneously again. In addition, the material of the sample inlet of the globe valve is to be further reduced.
How to effectively solve the technical problems is a problem to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem or at least partially solve the technical problem, the utility model provides a sampling valve for oil well.
The sampling valve for the oil well comprises a valve body connected with a vertical pipe, wherein a plunger unit is arranged in the valve body and connected with a transmission unit, and an adjusting unit is connected onto the transmission unit;
a sample inlet is formed in the end part, close to the vertical pipe side, of the valve body, and a sample outlet is also formed in the valve body;
the sample inlet is inclined.
Optionally, the plunger unit comprises a plug body disposed within the valve body;
a sealing portion is provided on the plug body near the sample inlet side.
Optionally, the sealing portion comprises a first sealing means which is convex towards the sample entry side;
the first sealing device at least comprises a first step piece, the end part of the first step piece far away from the sample inlet side is connected with a second step piece, and the end part of the second step piece far away from the first step piece side is connected with a third step piece.
Optionally, a second sealing device contacting the first sealing device is arranged in the valve body and close to the first sealing device.
Optionally, the second sealing means comprises a fourth step element in contact with both the first and second step elements, and a fifth step element in contact with both the second and third step elements.
Optionally, the transmission unit includes a lead screw connected to the plug body, and a bearing assembly is connected to an end of the lead screw close to the plug body;
the plug body moves along with the displacement of the lead screw;
the end of the lead screw remote from the plug body side is located outside the valve body.
Optionally, the adjusting unit comprises a hand wheel;
the hand wheel is positioned on the lead screw outside the valve body and can be rotationally adjusted on the lead screw;
the lead screw is adjusted to move along with the rotation of the hand wheel.
Optionally, the valve body further comprises a positioning unit;
the positioning unit comprises a positioning bolt, the positioning bolt penetrates into the valve body, and the positioning bolt in the valve body is in contact with the lead screw.
Optionally, the valve body further comprises a fixing unit;
the fixing unit comprises a fixing sleeve connected to the surface of the valve body, and the fixing sleeve is fixedly connected with the vertical pipe.
Optionally, a cavity is further arranged in the valve body;
the plug body is displaced in the cavity along with the displacement of the lead screw;
the cavity is in communication with the sample outlet.
The utility model discloses in, the staff need not weld one section hollow tube in advance on the riser, has avoided appearing emptying, therefore the staff takes a sample at every turn and only carries a appearance bucket, and not only convenient but also accord with the environmental protection requirement of forbidding the open-air storage of oil gas.
Drawings
Fig. 1 is a schematic sectional structural view of a valve body provided by the present invention.
Reference numerals:
1. a riser;
2. fixing a sleeve;
3. a plug body; 31. a first sealing device; 311. a first step member; 312. a second step; 313. A third step member;
4. a bearing assembly;
5. positioning the bolt;
6. a valve body; 61. a cavity; 62. a second sealing device; 621. a fifth step member; 622. a fourth step member;
7. a hand wheel;
8. a lead screw;
9. a sample outlet;
10. a sample inlet.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are some, but not all embodiments of the invention. The following examples are only for explaining the present invention, and are not intended to limit the present invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention. Unless otherwise indicated, the technical means used in the examples are conventional means or prior art known to those skilled in the art.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "connected" and "coupled" are used broadly and may include, for example, a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The utility model provides an embodiment, as shown in figure 1, a sampling valve for oil well comprises a valve body 6 connected with a vertical pipe 1, a plunger unit is arranged in the valve body 6, the plunger unit is connected with a transmission unit, and the transmission unit is connected with an adjusting unit;
a sample inlet 10 is arranged at the end part of the valve body 6 close to the vertical pipe 1 side, and a sample outlet 9 is also arranged on the valve body 6;
the sample inlet 10 is slanted.
In this embodiment, the staff makes the drive unit carry out the displacement through operation adjusting unit to drive the plunger unit and carry out the displacement, aim at the sample inflow's of sample entry 10 of slope form direction, the sample passes through sample entry 10 and gets into in the valve body 6, finally makes the sample flow into the appearance bucket that the staff carried through sample outlet 9.
The staff need not weld a section hollow tube before riser 1 lifts, has avoided appearing emptying, consequently the staff only carries a appearance bucket in sampling at every turn, and not only convenient but also accord with the environmental protection requirement of forbidding open-air storage of oil gas.
The inclined sample inlet 10 can both facilitate the sample suction and save the material of the sample inlet.
In another embodiment of the present invention, as shown in fig. 1, the plunger unit includes a plug body 3 disposed in a valve body 6;
a seal portion is provided on the plug body 3 on the side close to the sample inlet 10.
In this embodiment, the plug body is disposed within the valve body 6 and is displaced within the valve body 6, thereby drawing the sample into the valve body 6.
The sealing part can better realize the sealing effect, and simultaneously in the displacement process of the plug body 3, the sample is further assisted to be sucked into the valve body 6.
In another embodiment of the present invention, as shown in fig. 1, the sealing portion includes a first sealing means 31 protruding toward the sample inlet 10 side;
the first sealing means 31 comprises at least a first step member 311, a second step member 312 is connected to an end of the first step member 311 on a side away from the sample inlet 10, and a third step member 313 is connected to an end of the second step member 312 on a side away from the first step member 311.
In the present embodiment, the first step 311, the second step 312, and the third step 313 further achieve a better sealing effect. Meanwhile, when the plug body 3 displaces towards the side of the riser 1, the third step 313 pushes the sample in the valve body 6 to the second step 312, the second step 312 pushes the sample to the first step 311, and the first step 311, the second step 312 and the third step 313 block the sample together.
In another embodiment, as shown in fig. 1, a second sealing device 62 contacting the first sealing device 31 is disposed in the valve body 6 near the first sealing device 31.
In the present embodiment, when the second sealing means 62 is in contact with the first sealing means 31, a further improved sealing effect is achieved. At the same time, during the displacement of the plug body 3, a further suction of the sample into the valve body 6 is achieved.
In yet another embodiment, as shown in fig. 1, the second sealing device 62 includes a fourth step 622 simultaneously contacting the first step 311 and the second step 312, and a fifth step 621 simultaneously contacting the second step 312 and the third step 313.
In this embodiment, the fourth step 622 and the fifth step 621 further achieve a better sealing effect, while further assisting in achieving the suction of the sample into the valve body 6 during the displacement of the plug body 3.
In another embodiment provided by the present invention, as shown in fig. 1, the transmission unit includes a lead screw 8 connected to the plug body 3, and a bearing assembly 4 is connected to an end of the lead screw 8 near the plug body 3;
the plug body 3 moves along with the displacement of the screw rod 8;
the end of the screw 8 remote from the plug body 3 is located outside the valve body 6.
In this embodiment, the lead screw 8 passes through the bearing assembly 4 to drive the plug body 3 to displace, and the bearing assembly 4 assists in the displacement of the plug body 3. Wherein, the bearing assembly 4 can be a bearing assembly in the prior art.
In another embodiment of the present invention, as shown in fig. 1, the adjusting unit includes a handwheel 7;
the hand wheel 7 is positioned on a lead screw 8 outside the valve body 6 and can be rotationally adjusted on the lead screw 8;
the lead screw 8 is adjusted to move along with the rotation of the hand wheel 7.
In this embodiment, the worker rotates the hand wheel 7, and the rotation of the hand wheel 7 drives the screw rod 8 to displace, so as to realize the displacement of the plug body 3.
In another embodiment provided by the present invention, as shown in fig. 1, the valve body 6 further includes a positioning unit;
the positioning unit comprises a positioning bolt 5, the positioning bolt 5 penetrates into the valve body 6, and the positioning bolt 5 positioned in the valve body 6 is in contact with the screw rod 8.
In this embodiment, the positioning bolt 5 is adjusted to make the positioning bolt 5 contact with the lead screw 8, and the lead screw 8 stops moving, so that the plug body 3 stops moving at the target position, and finally the positioning purpose is realized.
In another embodiment of the present invention, as shown in fig. 1, the valve body 6 further includes a fixing unit;
the fixing unit comprises a fixing sleeve 2 connected to the surface of the valve body 6, and the fixing sleeve 2 is fixedly connected with the vertical pipe 1.
In this embodiment, the fixing sleeve 2 is sleeved on the surface of the valve body 6, and the fixing sleeve 2 and the vertical pipe 1 can be welded or fixedly connected through a connecting member. Wherein, the connecting pieces are connected by bolts or components or devices which can realize connection in the prior art.
In another embodiment of the present invention, as shown in fig. 1, a cavity 61 is further disposed in the valve body 6;
the plug body 3 is displaced along with the displacement of the lead screw 8 in the cavity 61;
the cavity 61 communicates with the sample outlet 9.
In this embodiment, the cavity 61 enables better displacement of the plug body 3 and better sealing and sample suction.
When a sample is aspirated, the plug body 3 is displaced toward the side away from the riser 1.
When the sampling is finished, the plug body 3 is displaced towards the side of the riser 1, and when the first sealing device 31 is in contact with the second sealing device 62, the closing of the sample outlet is also achieved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments. Those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and modifications or replacements made without departing from the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A sampling valve for an oil well comprises a valve body connected with a vertical pipe, and is characterized in that,
a plunger unit is arranged in the valve body and connected with a transmission unit, and an adjusting unit is connected to the transmission unit;
a sample inlet is formed in the end part, close to the vertical pipe side, of the valve body, and a sample outlet is also formed in the valve body;
the sample inlet is inclined.
2. The sampling valve for oil well as recited in claim 1,
the plunger unit includes a plug body disposed within the valve body;
a sealing portion is provided on the plug body near the sample inlet side.
3. A sampling valve for an oil well according to claim 2,
the sealing portion comprises a first sealing means which is convex towards the sample inlet side;
the first sealing device at least comprises a first step piece, the end part of the first step piece far away from the sample inlet side is connected with a second step piece, and the end part of the second step piece far away from the first step piece side is connected with a third step piece.
4. A sampling valve for an oil well according to claim 3, wherein a second sealing means is provided in said valve body adjacent to said first sealing means side in contact with said first sealing means.
5. The sampling valve for oil well as recited in claim 4 wherein said second sealing means comprises a fourth step member in contact with both said first step member and said second step member and a fifth step member in contact with both said second step member and said third step member.
6. A sampling valve for an oil well according to claim 2,
the transmission unit comprises a lead screw connected with the plug body, and the end part of the lead screw close to the plug body is connected with a bearing assembly;
the plug body moves along with the displacement of the lead screw;
the end of the lead screw remote from the plug body side is located outside the valve body.
7. A sampling valve for an oil well according to claim 6,
the adjusting unit comprises a hand wheel;
the hand wheel is positioned on the lead screw outside the valve body and can be rotationally adjusted on the lead screw;
the lead screw is adjusted to move along with the rotation of the hand wheel.
8. A sampling valve for an oil well according to claim 6,
the valve body further comprises a positioning unit;
the positioning unit comprises a positioning bolt, the positioning bolt penetrates into the valve body, and the positioning bolt in the valve body is in contact with the lead screw.
9. The sampling valve for oil well as recited in claim 1,
the valve body further comprises a fixing unit;
the fixing unit comprises a fixing sleeve connected to the surface of the valve body, and the fixing sleeve is fixedly connected with the vertical pipe.
10. A sampling valve for an oil well according to claim 6,
a cavity is also arranged in the valve body;
the plug body is displaced in the cavity along with the displacement of the lead screw;
the cavity is in communication with the sample outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843196.8U CN213117504U (en) | 2020-08-28 | 2020-08-28 | Sampling valve for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843196.8U CN213117504U (en) | 2020-08-28 | 2020-08-28 | Sampling valve for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117504U true CN213117504U (en) | 2021-05-04 |
Family
ID=75657787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021843196.8U Active CN213117504U (en) | 2020-08-28 | 2020-08-28 | Sampling valve for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117504U (en) |
-
2020
- 2020-08-28 CN CN202021843196.8U patent/CN213117504U/en active Active
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