CN218066608U - Oil field multiphase flow metering device - Google Patents
Oil field multiphase flow metering device Download PDFInfo
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- CN218066608U CN218066608U CN202222165054.6U CN202222165054U CN218066608U CN 218066608 U CN218066608 U CN 218066608U CN 202222165054 U CN202222165054 U CN 202222165054U CN 218066608 U CN218066608 U CN 218066608U
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Abstract
The utility model relates to a heterogeneous class metering device field discloses heterogeneous class metering device in oil field, including the mainstream pipeline, the left side upper end fixed connection of mainstream pipeline is in the one end of first input tube, the other end fixed connection of first input tube is at the front end middle part of gas-liquid separation device, the bottom fixedly connected with third control valve of first input tube, gas-liquid separation device's rear end middle part fixed connection is in the one end of first output tube, gas-liquid separation device's upper end fixed connection is in the one end of gas-supply pipe, the other end fixed connection of gas-supply pipe is at the left end middle part of first output tube, the left end middle part fixedly connected with gas flowmeter of gas-supply pipe. The utility model discloses in, carry out gas flow's calculation through gas flowmeter to the gas of gas-liquid separation device separation, secondly detect liquid flow through liquid flowmeter, be convenient for carry out the calculation of oil well output in short time, accurate measurement oil field multiphase flow.
Description
Technical Field
The utility model relates to a heterogeneous class metering device field especially relates to the heterogeneous class metering device in oil field.
Background
The multiphase flow metering technology is a technology for metering oil-gas-water mixtures produced by an oil well without separation before the oil-gas-water mixtures enter a metering device, and is divided into a full-separation type, a sampling separation type and an unseparated type from the aspect of metering modes.
The problems of discontinuous measurement, large volume, high cost and the like existing in the measurement of multiphase flow in the traditional multiphase measurement technology require to design an oil field multiphase flow measurement device, can complete the measurement of oil well output in a short time, timely master the production condition of an oil well, shorten the measurement period of the oil well, and solve the problems of multiphase flow measurement accuracy bottleneck and the like.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art, and providing the multiphase flow metering device for the oil field, which is convenient for the oil field to monitor and collect data of oil, gas and water three-phase flow.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the oil field multiphase flow metering device comprises a main flow pipeline, wherein the middle left side of the main flow pipeline is fixedly connected with a right first control valve, the middle right side of the main flow pipeline is fixedly connected with a right second control valve, the upper end of the left side of the main flow pipeline is fixedly connected with one end of a first input pipe, the other end of the first input pipe is fixedly connected with the middle part of the front end of a gas-liquid separation device, the bottom end of the first input pipe is fixedly connected with a third control valve, the middle part of the rear end of the gas-liquid separation device is fixedly connected with one end of a first output pipe, the other end of the first output pipe is fixedly connected to the right side of the rear end of the main flow pipeline, the upper end of the gas-liquid separation device is fixedly connected with one end of a gas pipe, the other end of the gas pipe is fixedly connected with the middle part of the left end of the first output pipe, and the middle part of the left end of the gas pipe is fixedly connected with a gas flowmeter;
through the technical scheme, the gas flow of the gas separated by the gas-liquid separation device is calculated through the gas flowmeter.
Furthermore, the middle upper part of the left end of the first output pipe is fixedly connected with a fourth control valve, and the upper part of the left end of the rear side of the first output pipe is fixedly connected with a safety valve;
through above-mentioned technical scheme, through setting up the relief valve, when detecting internal pressure intensity too big, open the fourth control valve, be convenient for increase the security performance.
Furthermore, the middle part of the bottom end of the gas-liquid separation device is fixedly connected to the bottom end of a second output pipe, the upper end of the right side of the second output pipe is fixedly connected to one end of a second input pipe, and the other end of the second input pipe is fixedly connected to the left side of the front end of the first output pipe;
through above-mentioned technical scheme, the liquid after the separation is carried to first output tube through second output tube and second input tube.
Furthermore, the bottom of the left side of the second input pipe is fixedly connected with a fifth control valve, and the middle of the left side of the second input pipe is fixedly connected with a tomography device;
through above-mentioned technical scheme, carry out inside electrical characteristics to liquid through the tomography device and detect to obtain the inside distribution situation of liquid.
Further, a micro differential pressure detection device is fixedly connected to the right side of the upper end of the second input pipe, detection pipes are fixedly connected to the left side and the middle right side of the middle of the upper end of the second input pipe, a fixed flange is fixedly connected to the front ends of the detection pipes, the middle of the front end of the fixed flange is fixedly connected to one end of a second lead, and the other end of the second lead is fixedly connected to the left and right parts of the front end of the micro differential pressure detection device;
through above-mentioned technical scheme, detect the little pressure difference of liquid through little pressure difference detection device, be convenient for consider safely.
Further, a liquid flow meter is fixedly connected to the left side of the upper end of the second input pipe, and the upper end of the left side of the liquid flow meter is electrically connected with the micro-pressure-difference detection device through a first lead;
through above-mentioned technical scheme, detect liquid flow through fluidflowmeter, be convenient for carry out whole transmission with data through first wire.
Further, the upper part of the right side of the second input pipe is fixedly connected with an infrared moisture detector;
through above-mentioned technical scheme, detect liquid water content through infrared moisture detector.
Furthermore, the rear part of the right end of the first output pipe is fixedly connected with a total amount metering device, and the front part of the right end of the first output pipe is fixedly connected with a sixth control valve;
through the technical scheme, the total amount of the liquid, the gas and the water is detected through the total amount metering device.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, under the normal condition, first control valve and second control valve are opened, third control valve and sixth control valve are closed, crude oil carries through the mainstream pipeline, close first control valve and second control valve during detection, open third control valve and sixth control valve, after through the mainstream pipeline input, make crude oil flow to gas-liquid separation device through first input tube, liquid after the separation carries to first output tube through second output tube and second input tube, gas after the separation carries to first output tube through the gas-supply pipe, carry crude oil to the mainstream pipeline through first output tube at last, be convenient for control, can make heterogeneous measurement technique obtain the continuity measurement, and area is little.
2. The utility model discloses in, at first, gas to gas-liquid separation device separation through gas flowmeter carries out gas flow's calculation, then carry out inside electrical characteristics to liquid through the chromatography imaging device and detect, thereby obtain the inside distribution condition of liquid, secondly detect liquid flow through liquid flowmeter, detect the small pressure difference value of liquid through the differential pressure detection device of minim, be convenient for carry out the safety consideration, secondly detect liquid water content through infrared moisture detector, finally through the total amount metering device to liquid, gas, the detection of total amount is carried out to the water three-phase, be convenient for carry out the calculation of oil well output in short time, shorten the measurement cycle, the multiphase flow in accurate measurement oil field.
Drawings
Fig. 1 is a schematic diagram of a right front side structure of an oil field multiphase flow metering device provided by the present invention;
fig. 2 is a schematic diagram of a left rear side structure of the oil field multiphase flow metering device provided by the present invention;
fig. 3 is a rear side plan view of a pipe structure of the oil field multiphase flow metering device provided by the present invention;
fig. 4 is a schematic diagram of the front side structure of the micro-pressure-difference detection device of the oil field multiphase flow metering device provided by the present invention.
Illustration of the drawings:
1. a main flow conduit; 2. a first control valve; 3. a second control valve; 4. a first input pipe; 5. a third control valve; 6. a gas-liquid separation device; 7. a gas delivery pipe; 8. a gas flow meter; 9. a first output pipe; 10. a fourth control valve; 11. a safety valve; 12. a second output pipe; 13. a second input pipe; 14. a fifth control valve; 15. a tomography device; 16. a micro differential pressure detection device; 17. a detection tube; 18. a liquid flow meter; 19. an infrared moisture detector; 20. a total amount metering device; 21. a sixth control valve; 22. a first conductive line; 23. a fixed flange; 24. a second conductive line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: multiphase flow metering device in oil field, including main flow pipeline 1, the first control valve 2 in the middle left side fixed connection right side of main flow pipeline 1, the second control valve 3 in the middle right side fixed connection right side of main flow pipeline 1, the left side upper end fixed connection of main flow pipeline 1 is in the one end of first input tube 4, the other end fixed connection of first input tube 4 is in the front end middle part of gas-liquid separation device 6, the bottom fixed connection of first input tube 4 has third control valve 5, the rear end middle part fixed connection of gas-liquid separation device 6 is in the one end of first output tube 9, the other end fixed connection of first output tube 9 is on the rear end right side of main flow pipeline 1, the upper end fixed connection of gas-liquid separation device 6 is in the one end of gas-supply pipe 7, the other end fixed connection of gas-supply pipe 7 is in the left end middle part of first output tube 9, the left end middle part fixed connection of gas-supply pipe 7 has gas flowmeter 8.
A fourth control valve 10 is fixedly connected to the upper middle part of the left end of the first output pipe 9, a safety valve 11 is fixedly connected to the upper part of the left end of the rear side of the first output pipe 9, the safety valve 11 is arranged to open the fourth control valve 10 when the internal pressure is detected to be too high, the safety performance is convenient to increase, the middle part of the bottom end of the gas-liquid separation device 6 is fixedly connected to the bottom end of the second output pipe 12, the upper end of the right side of the second output pipe 12 is fixedly connected to one end of a second input pipe 13, the other end of the second input pipe 13 is fixedly connected to the left side of the front end of the first output pipe 9, a fifth control valve 14 is fixedly connected to the bottom of the left side of the second input pipe 13, a chromatographic imaging device 15 is fixedly connected to the middle part of the left side of the second input pipe 13, and a micro-differential pressure detection device 16 is fixedly connected to the right side of the upper end of the second input pipe 13, the equal fixedly connected with detecting tube 17 in left side and well right side in the upper end of second input tube 13, the equal fixedly connected with mounting flange 23 in front end of detecting tube 17, the equal fixed connection in front end middle part of mounting flange 23 is in the one end of second wire 24, the other end difference fixed connection of second wire 24 is in the front end left and right parts of differential pressure detection device 16, the upper end left side fixedly connected with fluidflowmeter 18 of second input tube 13, fluidflowmeter 18's left side upper end is through first wire 22 and differential pressure detection device 16 electric connection, the infrared moisture detector 19 of right side upper portion fixedly connected with of second input tube 13, the right-hand member rear portion fixedly connected with total amount metering device 20 of first output tube 9, the anterior fixedly connected with sixth control valve 21 of right-hand member of first output tube 9.
The working principle is as follows: under normal conditions, the first control valve 2 and the second control valve 3 are opened, the third control valve 5 and the sixth control valve 21 are closed, crude oil is conveyed through the main flow pipeline 1, the first control valve 2 and the second control valve 3 are closed during detection, the third control valve 5 and the sixth control valve 21 are opened, after the crude oil is input through the main flow pipeline 1, the crude oil flows to the gas-liquid separation device 6 through the first input pipe 4, separated liquid is conveyed to the first output pipe 9 through the second output pipe 12 and the second input pipe 13, the separated gas is conveyed to the first output pipe 9 through the gas conveying pipe 7, finally the crude oil is conveyed to the main flow pipeline 1 through the first output pipe 9, meanwhile, gas flow calculation is carried out on gas separated by the gas-liquid separation device 6 through the gas flowmeter 8, then internal electrical characteristic detection is carried out on the liquid through the chromatographic imaging device 15, thereby obtaining the internal distribution condition of the liquid, next, liquid flow is detected through the liquid flowmeter 18, a micro pressure difference detection device 16 is used for detecting the micro pressure difference of the liquid, which is convenient for safety consideration, next, the total water content of the liquid is detected through the infrared detector 19, and the total water content of the three-phase water meter 20.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. Oil field multiphase flow metering device, including mainstream pipeline (1), its characterized in that: the well left side fixed connection right side first control valve (2) of mainstream pipeline (1), the well right side fixed connection right side second control valve (3) of mainstream pipeline (1), the left side upper end fixed connection of mainstream pipeline (1) is in the one end of first input tube (4), the other end fixed connection of first input tube (4) is in the front end middle part of gas-liquid separation device (6), the bottom fixedly connected with third control valve (5) of first input tube (4), the rear end middle part fixed connection of gas-liquid separation device (6) is in the one end of first output tube (9), the other end fixed connection of first output tube (9) is on the rear end right side of mainstream pipeline (1), the upper end fixed connection of gas-liquid separation device (6) is in the one end of gas-supply pipe (7), the other end fixed connection of gas-supply pipe (7) is in the left end middle part of first output tube (9), the left end middle part fixedly connected with gas flowmeter (8) of gas-supply pipe (7).
2. The oilfield multiphase flow metering device of claim 1, wherein: the middle-upper part of the left end of the first output pipe (9) is fixedly connected with a fourth control valve (10), and the upper part of the left end of the rear side of the first output pipe (9) is fixedly connected with a safety valve (11).
3. The oilfield multiphase flow metering device of claim 1, wherein: the bottom middle part of the gas-liquid separation device (6) is fixedly connected to the bottom end of a second output pipe (12), the upper end of the right side of the second output pipe (12) is fixedly connected to one end of a second input pipe (13), and the other end of the second input pipe (13) is fixedly connected to the left side of the front end of a first output pipe (9).
4. The oilfield multiphase flow metering device of claim 3, wherein: the bottom of the left side of the second input pipe (13) is fixedly connected with a fifth control valve (14), and the middle of the left side of the second input pipe (13) is fixedly connected with a tomography device (15).
5. The oilfield multiphase flow metering device of claim 3, wherein: the utility model discloses a little differential pressure detection device, including the upper end right side fixedly connected with pressure detecting device (16) of second input tube (13), the equal fixedly connected with detecting tube (17) in left side and well right side in the upper end of second input tube (13), the equal fixedly connected with mounting flange (23) in front end of detecting tube (17), the equal fixed connection in front end middle part of mounting flange (23) is in the one end of second wire (24), the other end difference fixed connection of second wire (24) is in the front end left and right sides portion of pressure detecting device (16).
6. The oilfield multiphase flow metering device of claim 3, wherein: the upper end left side fixedly connected with liquid flowmeter (18) of second input tube (13), the left side upper end of liquid flowmeter (18) is through first wire (22) and differential pressure detection device (16) electric connection.
7. The oilfield multiphase flow metering device of claim 3, wherein: and the upper part of the right side of the second input pipe (13) is fixedly connected with an infrared moisture detector (19).
8. The oilfield multiphase flow metering device of claim 1, wherein: the rear part of the right end of the first output pipe (9) is fixedly connected with a total amount metering device (20), and the front part of the right end of the first output pipe (9) is fixedly connected with a sixth control valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222165054.6U CN218066608U (en) | 2022-08-17 | 2022-08-17 | Oil field multiphase flow metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222165054.6U CN218066608U (en) | 2022-08-17 | 2022-08-17 | Oil field multiphase flow metering device |
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| Publication Number | Publication Date |
|---|---|
| CN218066608U true CN218066608U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222165054.6U Active CN218066608U (en) | 2022-08-17 | 2022-08-17 | Oil field multiphase flow metering device |
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| Country | Link |
|---|---|
| CN (1) | CN218066608U (en) |
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2022
- 2022-08-17 CN CN202222165054.6U patent/CN218066608U/en active Active
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