CN212054618U - Multifunctional connecting device for oil well mouth - Google Patents
Multifunctional connecting device for oil well mouth Download PDFInfo
- Publication number
- CN212054618U CN212054618U CN202020755585.9U CN202020755585U CN212054618U CN 212054618 U CN212054618 U CN 212054618U CN 202020755585 U CN202020755585 U CN 202020755585U CN 212054618 U CN212054618 U CN 212054618U
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- Prior art keywords
- valve
- oil
- oil well
- pressure
- well
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- Expired - Fee Related
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Abstract
An oil well wellhead multifunctional connecting device, comprising: the device comprises a three-way valve (1), a short joint (2), a sampling valve (3), a main valve (4), a pressure sampling valve (5) and a pressure gauge (6); the method is characterized in that: three-way valve (1) is connected with main valve (4) through short circuit (2), and the upper portion of short circuit (2) is equipped with sample valve (3), and the upper portion of main valve (4) is equipped with pressure taking valve (5), and the upper end of pressure taking valve (5) is equipped with manometer (6). The utility model has the advantages that: the device is suitable for calibrating the yield of an oil well mouth or flushing the well without repeatedly starting and stopping the oil pumping machine, realizes the connection of an oil-gas metering device or a well flushing device in a non-stop production and pouring process, is safe and convenient to operate, improves the oil well yield metering accuracy and the working efficiency, lightens the labor intensity of workers, improves the oil well production time rate, and increases the crude oil yield.
Description
Technical Field
The utility model relates to an oil well wellhead equipment technique is an oil well wellhead multifunctional connecting device particularly.
Background
At present, with the development of digital oil field construction, the oil well realizes indicator diagram remote transmission measurement, but part of the oil well needs to calibrate the yield at the wellhead of the oil well by using a mobile measuring device regularly according to production requirements; when the movable metering equipment is connected to the wellhead of an oil well, the oil production well needs to be stopped, the production valve and the back-pressure valve are closed, after pressure is released, the plug of a wellhead flow nipple sleeve is removed, an oil pipeline of the movable metering equipment is connected, after the wellhead metering flow is poured, the well is opened to carry out wellhead yield calibration work, the original production flow needs to be recovered after the yield calibration is completed, the well needs to be started and stopped for 2 times in each operation, the operation time is 40-50 minutes, the well is repeatedly started and stopped, and the problems of large yield metering error, high labor intensity of workers, long operation time and low oil extraction rate exist. In addition, the oil well needs the above operation when the well is washed, the invention patent of the invention 'oil well wellhead non-stop production quick connecting device', the patent number: 201410264813.1, the invention does not need to stop the well when working such as oil well production calibration, hot oil circulation, etc., but has complex structure, high price, complex operation and inconvenient popularization and use.
Disclosure of Invention
The utility model aims at above-mentioned weak point, provide an oil well head multifunctional connecting device, solve the oil well at well head output measurement, well-flushing shut down, cause the inaccurate, the big, the long, the low problem of rate when operating time of worker intensity of labour of output measurement error.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model discloses a: the system comprises a three-way valve, a short joint, a sampling valve, a main valve, a pressure measuring valve and a pressure gauge; the method is characterized in that: the three-way valve is connected with the main valve through the short circuit, and the upper portion of short circuit is equipped with the sample valve, and the upper portion of main valve is equipped with the pressure valve, and the upper end of pressure valve is equipped with the manometer.
Preferably, a lower three-way valve core is arranged inside a three-way valve in the multifunctional connecting device of the oil well wellhead, external threads are arranged on an inlet II and a direct outlet II, and a lower plug is arranged on a middle 90-degree outlet II.
Preferably, the center of a main valve in the multifunctional connecting device of the oil well wellhead is provided with a three-way valve core, a left-end direct outlet I is provided with a plug, a right-end inlet I is provided with a clamp head, the center is provided with an internal thread matched with a choke, and an upper-end pressure tapping is provided with an external thread matched with a short circuit at an outlet I of 90 degrees at the lower end of the external thread matched with the pressure tapping.
The utility model has the advantages that: the device is suitable for calibrating the yield of an oil well mouth or flushing the well without repeatedly starting and stopping the oil pumping machine, realizes the connection of an oil-gas metering device or a well flushing device in a non-stop production and pouring process, is safe and convenient to operate, improves the oil well yield metering accuracy and the working efficiency, lightens the labor intensity of workers, improves the oil well production time rate, and increases the crude oil yield.
Drawings
FIG. 1 is a schematic view of the main view of the full-section structure of the present invention
In figure 1, 1 is a three-way valve, 1-1 is a lower plug, and 1-2 is a lower three-way valve core; 2. the method comprises the following steps of (1) short connection, 3 sampling valves, 4 main valves, 4-1 plug, 4-2 three-way valve cores, 4-3 clamp heads, 5 pressure taking valves and 6 pressure gauges; A. the device comprises an inlet I, a B direct outlet I, a C.90-degree outlet I, an A ' inlet II, a B ' direct outlet II, a C ' 90-degree outlet II and a Y pressure-taking port.
FIG. 2 is a schematic diagram of the structure of the utility model for field application
In figure 2, 7 is a multifunctional connecting device of an oil well wellhead, 8 is a Christmas tree of an oil pumping well, 8-1 is a production gate, 9 is a metering pipeline, and 10 is an oil gas metering device.
FIG. 3 is a schematic diagram of the construction of the original Christmas tree 8 of the pumping well
In figure 3, 5, a pressure taking valve, 6, a pressure gauge, 8, a Christmas tree of a pumping well, 8-1, a production gate, 8-2, an oil nozzle sleeve, 8-3 vertical guide pipes and 8-4 production gates.
Detailed Description
The following detailed description and technical contents of the present invention are further described with reference to the accompanying drawings, which, however, are provided for reference and illustration purposes only and are not intended to limit the present invention.
As shown in fig. 1, the multifunctional connecting device for the oil well wellhead consists of a three-way valve 1, a short joint 2, a sampling valve 3, a main valve 4, a pressure sampling valve 5 and a pressure gauge 6; the method is characterized in that: three-way valve 1 is connected with main valve 4 through short circuit 2, and the upper portion of short circuit 2 is equipped with sample valve 3, and the upper portion of main valve 4 is equipped with pressure taking valve 5, and the upper end of pressure taking valve 5 is equipped with manometer 6.
The three-way valve 1 is internally provided with a lower three-way valve core 1-2, the inlet IIA ' and the direct outlet IIB ' are both provided with external threads, and the middle 90-degree outlet IIC ' is provided with a lower plug 1-1.
The center of the main valve 4 is provided with an upper three-way valve core 4-2, a left-end direct outlet IB is provided with an upper plug 4-1, a right-end inlet IA is provided with a clamp head 4-3, the center is provided with an internal thread matched with a nozzle tip, an upper-end pressure taking port Y is provided with an external thread matched with a pressure taking valve 5, and a lower-end 90-degree outlet IC is provided with an external thread matched with a short connector 2.
Installation and use
Firstly, removing a nozzle sleeve 8-2, a vertical guide pipe 8-3 and a production gate 8-4 on an original pumping well Christmas tree 8, and installing an oil well wellhead multifunctional connecting device 7; secondly, when the oil well wellhead yield calibration operation is carried out, the upper plug 4-1 and the lower plug 1-1 are removed, (at the moment, the straight-through outlet IB of the main valve 4 and the 90-degree outlet IIC' of the three-way valve 1 are in a closed state), the oil-gas metering device 10 is connected with the metering pipeline 9, and two ends of the metering pipeline 9 are respectively connected with the upper plug 4-1 and the lower plug 1-1; thirdly, rotating an upper three-way valve core 4-2 of the main valve 4 to enable an inlet IA and a straight-through outlet IB to be communicated, closing an outlet IC with 90 degrees, simultaneously rotating the three-way valve 1 to enable a straight-through outlet IIB 'and an outlet IC with 90 degrees to be communicated, and closing an inlet IIA', so that the production calibration work of the wellhead without well shutdown of the oil well can be carried out; fourthly, after calibration is finished, reverse operation is carried out, the normal production flow is recovered, the oil gas metering device 10 and the metering pipeline 9 are disassembled, cleaned, maintained and stored for standby, and the upper plug 4-1 and the lower plug 1-1 are tightened.
The above only preferred embodiments of the present invention are described, not for limiting the scope of the present invention, other applications the equivalent changes of the patent spirit of the present invention should be all included in the scope of the present invention.
Claims (3)
1. An oil well wellhead multifunctional connecting device, comprising: the device comprises a three-way valve (1), a short joint (2), a sampling valve (3), a main valve (4), a pressure sampling valve (5) and a pressure gauge (6); the method is characterized in that: three-way valve (1) is connected with main valve (4) through short circuit (2), and the upper portion of short circuit (2) is equipped with sample valve (3), and the upper portion of main valve (4) is equipped with pressure taking valve (5), and the upper end of pressure taking valve (5) is equipped with manometer (6).
2. The multifunctional connecting device for the oil wellhead as claimed in claim 1, which is characterized in that: the three-way valve (1) is internally provided with a lower three-way valve core (1-2), the inlet II (A ') and the through outlet II (B ') are both provided with external threads, and the middle 90-degree outlet II (C ') is provided with a lower plug (1-1).
3. The multifunctional connecting device for the oil wellhead as claimed in claim 2, which is characterized in that: the center of the main valve (4) is provided with an upper three-way valve core (4-2), the left end direct outlet I (B) is provided with an upper plug (4-1), the right end inlet I (A) is provided with a clamp head (4-3), the center is provided with an internal thread matched with an oil nozzle, the upper end pressure taking port (Y) is provided with an external thread matched with a pressure taking valve (5), and the lower end 90-degree outlet I (C) is provided with an external thread matched with the short connector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020755585.9U CN212054618U (en) | 2020-05-09 | 2020-05-09 | Multifunctional connecting device for oil well mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020755585.9U CN212054618U (en) | 2020-05-09 | 2020-05-09 | Multifunctional connecting device for oil well mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054618U true CN212054618U (en) | 2020-12-01 |
Family
ID=73525881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020755585.9U Expired - Fee Related CN212054618U (en) | 2020-05-09 | 2020-05-09 | Multifunctional connecting device for oil well mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054618U (en) |
-
2020
- 2020-05-09 CN CN202020755585.9U patent/CN212054618U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210509 |