CN220727198U - High-pressure rotary valve for wellhead of oil well - Google Patents
High-pressure rotary valve for wellhead of oil well Download PDFInfo
- Publication number
- CN220727198U CN220727198U CN202322108690.XU CN202322108690U CN220727198U CN 220727198 U CN220727198 U CN 220727198U CN 202322108690 U CN202322108690 U CN 202322108690U CN 220727198 U CN220727198 U CN 220727198U
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- valve
- wellhead
- valve body
- pressure rotary
- outlet
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- 239000003129 oil well Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 230000005465 channeling Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a high-pressure rotary valve for an oil well wellhead, which relates to the technical field of special valves for oil field wellhead operations and solves the technical problems that the operation is not continuous and continuous vehicle installation is impossible in the prior art.
Description
Technical Field
The utility model relates to the technical field of special valves for oil field wellhead operation, in particular to a high-pressure rotary valve for an oil well wellhead.
Background
The utility model mainly relates to a special valve technology for oil field wellhead operation, which is difficult to clean in a well field due to untimely closing of a wellhead gate valve when well flushing liquid is canned in the conventional oil field wellhead well flushing operation process, and causes serious environmental pollution. When the tank truck is filled with liquid or empty, the wellhead gate valve needs to be opened and closed once every time, the operation is not continuous, and the wellhead gate valve is opened and closed every time, so that time and labor are consumed. In order to lighten the labor intensity of field operators at the wellhead, ensure that the wellhead well flushing liquid can be continuously loaded, specially design and produce a special valve for wellhead operation of an oil field, namely a wellhead high-pressure rotary valve, according to the actual requirements of the oil field, and meet the field operation requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-pressure rotary valve for an oil well wellhead, which solves the technical problems that the operation of the prior art is not continuous and continuous loading is not realized.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high-pressure rotary valve of oil well wellhead, includes the valve body, its characterized in that, fixed mounting has the case in the valve body, valve gland is installed to the valve body rotation, be connected with pressure bearing between valve gland and the case, valve body one end fixed mounting has liquid outlet one, valve body other end fixed mounting has liquid outlet two, the inlet has been seted up to the valve body lower extreme.
Preferably, an inlet sealing ring is arranged between the valve body and the valve core.
Preferably, a sealing copper pad is arranged on the valve body, a positioning pin is arranged in the sealing copper pad, a pin hole is arranged on the valve core, and the positioning pin is arranged in the pin hole.
Preferably, a first sealing ring and a second sealing ring are installed between the valve body and the valve core, the first sealing ring is installed above the pin hole, and the second sealing ring is installed below the pressure bearing.
Preferably, an outlet threaded connector is arranged on the valve body, an outlet sealing rubber pad is arranged between the valve body and the valve core, and an outlet sealing pressing cap is fixedly arranged at one end of the outlet threaded connector.
Preferably, a rotary handle is fixedly arranged at the upper end of the valve core.
Advantageous effects
The utility model provides a high-pressure rotary valve for an oil well wellhead, a valve core and a valve body of the utility model adopt a unique conical surface structural design, the valve core and the valve body can be tightly combined without eccentric wear, the inner wall of the valve body adopts three sealing rings for sealing, thus ensuring that the liquid from flowing back is not leaked, the cavity is ensured to be leaked, meanwhile, a special outlet sealing rubber pad ensures that two outlets are not channeling, an outlet sealing pressing cap mechanism can adjust the high sealing performance of the outlet sealing rubber pad at any time, a valve core positioning pin copper pad effectively prevents the liquid from leaking from a pin thread, an annular conical surface positioning groove of the valve core and a special valve core positioning pin conical surface are accurately positioned, the valve core and the valve body are matched more accurately, the pressure bearing is arranged between the valve core and the valve core gland, the friction resistance during the rotation of the rotary valve is greatly reduced, the valve core transposition rotation is more flexible and labor-saving, the inlet and outlet of the wellhead high-pressure rotary valve adopts an external threaded oil pipe joint (NUE 2) special for an oil field, the valve core and the valve body of the wellhead high-pressure rotary valve can be quickly connected with a standard oil union or can be customized according to the requirement of a user, the valve core and the valve body of the wellhead high-pressure rotary valve are designed to bear 25MPa, the pressure resistance of each sealing part is 3MPa, the use requirement of wellhead backpressure not more than 1.5MPa is completely met, the working efficiency of wellhead operation is greatly improved by using the wellhead high-pressure rotary valve, and the use is safe, reliable, flexible and convenient 。
Drawings
Fig. 1 is a schematic diagram of a front view structure of a high-pressure rotary valve of an oil well wellhead according to the present utility model.
In the figure: 1. a valve core; 2. rotating the handle; 3. a valve gland; 4. a valve body; 5. a pressure bearing; 6. a first liquid outlet; 7. sealing and pressing the cap at the outlet; 8. an outlet threaded connection; 9. an outlet sealing rubber pad; 10. a positioning pin; 11. a liquid inlet; 12. an inlet seal ring; 13. sealing the copper pad; 14. a first seal ring; 15. a second liquid outlet; 16. and a second sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an oil well wellhead high pressure rotary valve, includes valve body 4, its characterized in that, valve body 4 internally mounted has case 1, valve body 4 internal rotation installs valve gland 3, be connected with pressure bearing 5 between valve gland 3 and the case 1, valve body 4 one end fixed mounting has liquid outlet one 6, valve body 4 other end fixed mounting has liquid outlet two 15, valve body 4 lower extreme fixed opening has liquid inlet 11, install import sealing washer 12 between valve body 4 and the case 1, sealed copper pad 13 has been seted up on the valve body 4, install locating pin 10 in the sealed copper pad 13, set up the pinhole on the case 1, locating pin 10 installs in the pinhole, install first sealing washer 14 and second sealing washer 16 between valve body 4 and the case 1, first sealing washer 14 install in the pinhole top, second sealing washer 16 install in the pressure bearing 5 below, outlet threaded connection body 8 has been seted up on the 4, install outlet sealing washer 9 between valve body 4 and the case 1, outlet sealing washer 9 is installed to the outlet sealing washer 8, outlet sealing washer 7 is installed to the fixed mounting on the case 2 one end of valve body.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: as shown in fig. 1, the utility model aims to provide a wellhead high-pressure rotary valve aiming at the problems, which has the advantages of light weight, convenient opening and closing, double-channel angle valve design and capability of realizing wellhead continuous operation; the valve core 1 has small rotation angle and is provided with the auxiliary function of the pressure bearing 5, so that the valve core 1 can rotate lightly and flexibly.
The utility model is realized by the following technical scheme:
1. anti-bias wear: the valve core 1 and the valve body 4 adopt a unique conical surface structural design, so that the valve core 1 and the valve body 4 are tightly combined without eccentric wear.
2. And (3) leakage prevention: the inner wall of the valve body 4 is sealed by three sealing rings, namely, the inner leakage and backflow of the liquid are guaranteed, the liquid leakage of the cavity is guaranteed, meanwhile, the purpose-made outlet sealing rubber gasket 9 guarantees that two outlets are not channeling, the high sealing performance of the outlet sealing rubber gasket 9 can be adjusted at any time by the outlet sealing pressing cap mechanism, and the copper gasket of the positioning pin 10 of the valve core 1 effectively prevents the liquid from leaking from the pin thread.
3. Valve element 1 positioning standard: the annular conical surface positioning groove of the valve core 1 and the special conical surface of the positioning pin 10 of the valve core 1 are positioned accurately, so that the valve core 1 is matched with the valve body 4 more accurately.
4. The transposition rotation is flexible: the pressure bearing 5 is arranged between the valve core 1 and the valve core 1 gland, so that the friction resistance during the rotary valve is greatly reduced, and the transposition rotation of the valve core 1 is more flexible and labor-saving.
5. The connection is convenient: the inlet and outlet of the wellhead high-pressure rotary valve adopts an external threaded oil pipe joint (NUE 2' thread or customized according to the requirement of a user) special for an oil field, and can be quickly connected with a standard oil union.
6. High pressure resistance: the valve core 1 and the valve body 4 of the wellhead high-pressure rotary valve adopt high-pressure resistant designs, can bear 25MPa, and the pressure resistance of each sealing part is 3MPa, thereby completely meeting the use requirement that the wellhead backpressure is not more than 1.5 MPa.
The use of the wellhead high-pressure rotary valve greatly improves the working efficiency of wellhead operation, and the wellhead high-pressure rotary valve is safe, reliable, flexible and convenient to use.
It is noted that relational terms such as first and second, and the like are 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.
Claims (6)
1. The utility model provides a high-pressure rotary valve of oil well wellhead, includes valve body (4), its characterized in that, valve body (4) internal fixation has case (1), valve gland (3) are installed in valve body (4) internal rotation, be connected with pressure bearing (5) between valve gland (3) and case (1), valve body (4) one end fixed mounting has liquid outlet one (6), valve body (4) other end fixed mounting has liquid outlet two (15), inlet (11) have been seted up to valve body (4) lower extreme.
2. A wellhead high pressure rotary valve according to claim 1, characterized in that an inlet sealing ring (12) is mounted between the valve body (4) and the valve core (1).
3. The high-pressure rotary valve for the wellhead of the oil well according to claim 1, wherein a sealing copper pad (13) is arranged on the valve body (4), a positioning pin (10) is arranged in the sealing copper pad (13), a pin hole is arranged on the valve core (1), and the positioning pin (10) is arranged in the pin hole.
4. A wellhead high pressure rotary valve according to claim 3, characterized in that a first sealing ring (14) and a second sealing ring (16) are installed between the valve body (4) and the valve core (1), the first sealing ring (14) is installed above the pin hole, and the second sealing ring (16) is installed below the pressure bearing (5).
5. The high-pressure rotary valve for the wellhead of the oil well according to claim 1, wherein an outlet threaded connector (8) is arranged on the valve body (4), an outlet sealing rubber pad (9) is arranged between the valve body (4) and the valve core (1), and an outlet sealing pressing cap (7) is fixedly arranged at one end of the outlet threaded connector (8).
6. The high-pressure rotary valve for the wellhead of the oil well according to claim 1, wherein a rotary handle (2) is fixedly arranged at the upper end of the valve core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322108690.XU CN220727198U (en) | 2023-08-03 | 2023-08-03 | High-pressure rotary valve for wellhead of oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322108690.XU CN220727198U (en) | 2023-08-03 | 2023-08-03 | High-pressure rotary valve for wellhead of oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727198U true CN220727198U (en) | 2024-04-05 |
Family
ID=90487356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322108690.XU Active CN220727198U (en) | 2023-08-03 | 2023-08-03 | High-pressure rotary valve for wellhead of oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727198U (en) |
-
2023
- 2023-08-03 CN CN202322108690.XU patent/CN220727198U/en active Active
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