CN112647924A - Oil-gas separation metering device and application method - Google Patents
Oil-gas separation metering device and application method Download PDFInfo
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- CN112647924A CN112647924A CN202110021060.1A CN202110021060A CN112647924A CN 112647924 A CN112647924 A CN 112647924A CN 202110021060 A CN202110021060 A CN 202110021060A CN 112647924 A CN112647924 A CN 112647924A
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- 238000000926 separation method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000012071 phase Substances 0.000 claims abstract description 50
- 239000007791 liquid phase Substances 0.000 claims abstract description 41
- 239000003129 oil well Substances 0.000 claims abstract description 16
- 239000003595 mist Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 77
- 239000007788 liquid Substances 0.000 claims description 43
- 238000007667 floating Methods 0.000 claims description 26
- 235000019198 oils Nutrition 0.000 claims description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000003345 natural gas Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 235000019476 oil-water mixture Nutrition 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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Abstract
The oil-gas separation metering device and the application method are oil-gas separation technology of oil fields, and the structure relationship is that a cyclone separator is connected with a wellhead of an oil well by a pipeline, and a filter is arranged on the pipeline; the top end of the cyclone separator is connected with the post-processor by a pipeline; the bottom end of the cyclone separator is provided with a cyclone separator blow-down valve; the upper end of the post processor is connected with an oil well mouth after being converged by a gas phase pipeline and a liquid phase pipeline, and a gas phase flowmeter is arranged on the gas phase pipeline; a liquid phase flowmeter is arranged on a liquid phase pipeline at the lower end of the post processor; the bottom of the post-processor is provided with a post-processor blow-down valve; a mist catcher is arranged in the upper end of the cyclone separator; the cyclone separator blow-down valve and the post-processor blow-down valve are connected with a blow-down pipeline.
Description
Technical Field
The invention relates to an oil-gas separation technology of an oil field, in particular to an oil-gas separation metering device and an application method thereof.
Background
In the production process of an original oil field, oil gas produced from the oil well flows into an oil gas metering station through an oil gas pipeline in a centralized mode, the oil gas metering station performs oil gas separation metering in a centralized mode and then enters a normal pipeline, so that capital investment is increased, human resources are wasted, and safety risks exist.
Disclosure of Invention
The invention aims to provide an oil-gas separation metering device with high precision, wide range, no maintenance and strong liquidity and an application method, which solve the difficult problem of separation metering and comprises an oil well mouth, a filter, an inlet pipe, a cyclone separator, a mist catcher, a postprocessor, a gas phase pipeline, a gas phase flowmeter, a liquid phase pipeline, a liquid phase flowmeter, a sewage pipeline, a cyclone separator blow-off valve and a postprocessor blow-off valve, wherein the cyclone separator is connected with the oil well mouth through a pipeline, and the pipeline is provided with the filter; the top end of the cyclone separator is connected with the post-processor through a pipeline; a cyclone separator blow-down valve is arranged at the bottom end of the cyclone separator; the upper end of the post processor is connected with an oil well mouth after being converged by a gas phase pipeline and a liquid phase pipeline, and a gas phase flowmeter is arranged on the gas phase pipeline; a liquid phase flowmeter is arranged on a liquid phase pipeline at the lower end of the post processor; the bottom of the post-processor is provided with a post-processor blow-down valve; a mist catcher is arranged in the upper end of the cyclone separator; and the cyclone separator blow-down valve and the post-processor blow-down valve are connected with a blow-down pipeline.
The post processor comprises a floating ball, an upper ejector rod, an upper guide pipe, an upper valve ball seat, an upper base, an upper flange, a lower pull rod, a lower guide pipe, a lower valve ball seat, a lower base and a lower flange, wherein the upper ejector rod is arranged at the upper end of the floating ball and is connected with the upper valve ball by threads, one end of the upper ejector rod is connected with the upper valve ball, and the upper valve ball is positioned in the upper valve ball seat; the upper valve ball seat is connected with the upper base through a bolt, and the upper base is fixed on the upper flange through a bolt; the lower end of the floating ball is provided with a lower pull rod which is connected by threads, the lower end of the lower pull rod is connected with a lower valve ball, and the lower valve ball is positioned in the lower valve ball seat; the lower ball seat is connected with the lower base through bolts, and the lower base is fixed on the lower flange through bolts.
The floating ball is 3078.74g in mass and 4489.68g in buoyancy; the straight section of the floating ball is 300mm, and the length of the end sockets at the two ends is 60mm respectively; the wall thickness of the floating ball is 1.5 mm.
The two valve balls are arranged at the upper part and the lower part, the mass of the two valve balls is 134.62g, and the buoyancy is 16.89 g; the maximum gas phase flow rate after the upper valve ball at the upper end is opened is 1695.60 m/d; the maximum flow rate of the lower Veret at the lower end is 42.39m for cultivation/d; the maximum closing pressure of the upper valve balls is 1.99c square meters per kg; the maximum tightening pressure of a lower Versailles ball is 3.98c square meters per kg, and the liquid level height is 600 mm; and the two valve balls are provided with connecting holes, and internal threads are arranged in the connecting holes.
The valve ball seats are arranged in an upper and a lower direction, and the inner diameters of the upper and the lower valve ball seats are both 25 mm; the flow rate of the upper valve ball seat is 10m/s, and the pressure is 0.3 MPa; the flow rate of the lower valve ball seat was 1 m/s.
The upper ejector rod has the mass of 301.95g, the buoyancy of 37.89g and the L of 450 mm; the mass of the lower pull rod is 603.90g, and the buoyancy is 75.78 g; l is 450 mm.
The upper base and the lower base are both provided with an inner circle connecting hole and an outer circle connecting hole, and the outer circle connecting holes correspond to the connecting holes on the flange; the inner ring connecting hole corresponds to the connecting holes of the upper valve ball seat and the lower valve ball seat.
The application method of the invention is as follows: after the mixed liquid is pre-separated by the vertical pipe through multiphase flow, most of the gas enters the upper part of the main separator, and the mixed liquid containing a small amount of gas enters the cyclone separator through the inlet pipe; because the inlet pipe is connected with the cyclone separator along the tangential direction downwards at a certain inclination angle, under the cyclone action of liquid, centrifugal force, gravity and buoyancy form an inverted cone type vortex surface in the cyclone separator; the liquid phase with high density flows to the bottom of the cyclone separator along the wall of the pipe of the vertical pipeline, the gas phase with low density rises to the top of the cyclone separator along the center of the vortex, and finally the gas phase and the liquid phase are discharged from the top and the bottom of the cyclone separator respectively.
And the liquid is discharged from the cyclone separator and then enters the post-processor, and after the liquid is settled and stably discharged, the dissolved gas enters the mass flow meter from the lower part for metering.
Because the floating ball gas-liquid two-phase liquid level control device is arranged in the postprocessor, the gas phase valve is closed after the liquid level exceeds a certain position, the gas phase cannot be discharged, and the liquid phase discharge speed is increased; after the liquid level is lowered to a certain position, the liquid phase valve is closed; the liquid level of the post-processor is ensured to be stabilized in a proper range through the floating ball and the matched two-phase control valve.
The accurate design of the postprocessor is the key for ensuring the overall performance of the postprocessor, and the accurate postprocessor design can ensure that even when serious slug flow occurs, a gas phase outlet is saturated gas, and the gas content of a liquid phase outlet is within 1 percent, so that the liquid measurement accuracy is ensured; according to the working condition and measurement precision requirement provided by the user, the multiphase flow analysis software is used for analyzing the field working condition provided by the user and simulating the fluid by a computer, the size of the separator is calculated and determined, and the separator is matched with a corresponding postprocessor, a liquid level control, a metering instrument and a data acquisition and remote transmission system.
A metering system: the separated liquid phase (oil-water mixture) is measured by a mass flow meter, and after the densities of the pure water and the pure oil on site are input at the setting interface of the mass flow meter, the flow rates and the water contents of the pure water and the pure oil in the mixed liquid can be obtained through calculation. The gas phase is measured by an intelligent precession vortex flowmeter, the pressure and temperature compensation calculation of the natural gas amount is automatically completed, and the natural gas flow in a standard state is displayed. The liquid phase and gas phase metering data can be uploaded into an oil field digital management network through an MODBUS communication protocol, and the measured data is analyzed and processed by a computer to automatically generate liquid, gas and water (oil) instantaneous parameter curves, production daily reports and the like, so that the remote monitoring of the oil well metering data is realized.
The significance of the invention is as follows: the device has the characteristics of high precision, wide range, no maintenance and strong circulation; the capital construction investment is saved; manpower resources are saved; and the safety risk is avoided.
Drawings
Fig. 1 is a structure diagram of oil-gas separation in an oil-gas separation metering device, wherein the structure diagram comprises 1, an oil well wellhead 2, a filter 3, an inlet pipe 4, a cyclone separator 5, a mist catcher 6, a post-processor 7, a gas phase pipeline 8, a gas phase flowmeter 9, a liquid phase pipeline 10, a liquid phase flowmeter 11, a blow-off pipeline 12, a cyclone separator blow-off valve 13 and a post-processor blow-off valve.
Fig. 2 is a schematic diagram of the internal structure of the post-processor, in which 14, a floating ball 15, an upper top rod 16, an upper guide pipe 17, an upper valve ball 18, an upper valve ball seat 19, an upper base 20, an upper flange 21, a lower pull rod 22, a lower guide pipe 23, a lower valve ball 24, a lower valve ball seat 25, a lower base 26, and a lower flange are shown.
Fig. 3 is a schematic structural view of the upper and lower valve ball seats.
Fig. 4 is a schematic structural view of the upper duct and the lower duct.
Fig. 5 is a schematic structural view of the upper base and the lower base.
Fig. 6 is a structural diagram of the upper ejector rod, the lower ejector rod and the valve ball.
Detailed Description
The device comprises an oil well mouth 1, a filter 2, an inlet pipe 3, a cyclone separator 4, a mist catcher 5, a post-processor 6, a gas phase pipeline 7, a gas phase flowmeter 8, a liquid phase pipeline 9, a liquid phase flowmeter 10, a blow-off pipeline 11, a cyclone separator blow-off valve 12 and a post-processor blow-off valve 13, wherein the cyclone separator 4 is connected with the oil well mouth 1 through the pipeline 3, and the filter 2 is arranged on the pipeline 3; the top end of the cyclone separator 4 is connected with a post processor 7 through a pipeline; a cyclone separator blow-down valve 12 is arranged at the bottom end of the cyclone separator 4; the upper end of the post-processor 6 is connected with the oil well mouth 1 after being converged by a gas phase pipeline 7 and a liquid phase pipeline 9, and the gas phase pipeline 7 is provided with a gas phase flowmeter 10; a liquid phase flowmeter 10 is arranged on a liquid phase pipeline 9 at the lower end of the post-processor 6; the bottom of the post-processor 6 is provided with a post-processor blow-down valve 13; a mist catcher 5 is arranged in the upper end of the cyclone separator 4; the cyclone separator blow-off valve 12 and the post-processor blow-off valve 13 are connected with a blow-off pipeline 11.
In the embodiment 3, the mass of the floating ball 14 is 3078.74g, and the buoyancy is 4489.68 g; the straight section of the floating ball 14 is 300mm, and the end sockets at the two ends are 60mm long respectively; the wall thickness of the floating ball 14 is 1.5 mm.
In example 4, the two valve balls are arranged at the upper part and the lower part, the mass of the two valve balls is 134.62g, and the buoyancy is 16.89 g; the maximum gas phase flow rate is 1695.60 m/d after the upper valve ball 17 at the upper end is opened; the maximum flow rate of the lower valve ball 23 at the lower end is 42.39 m/d; the maximum closing pressure of the upper valve balls 17 is 1.99c square meters per kg; the maximum confining pressure of the lower Ver ball 23 is 3.98c square meter/kg, and the liquid level height is 600 mm; and the two valve balls are provided with connecting holes, and internal threads are arranged in the connecting holes.
In the embodiment 5, the valve ball seats are arranged into an upper valve seat and a lower valve seat, and the inner diameters of the upper valve seat and the lower valve seat are both 25 mm; the flow rate of the upper valve ball seat 18 is 10m/s, and the pressure is 0.3 MPa; the flow rate of the lower ball seat 24 was 1 m/s.
Example 6, the mass of the upper ejector rod 15 is 301.95g, the buoyancy is 37.89g, and the L is 450 mm; the mass of the lower pull rod 21 is 603.90g, and the buoyancy is 75.78 g; l is 450 mm.
In embodiment 7, the upper base 19 and the lower base 25 are both provided with an inner ring connecting hole and an outer ring connecting hole, and the outer ring connecting holes correspond to the connecting holes on the flange; the inner circle connecting holes of the valve ball seat are corresponding to the connecting holes of the upper valve ball seat 18 and the lower valve ball seat 24.
Example 8, the application method of the present invention is: after the mixed liquid is pre-separated by the vertical pipe through multiphase flow, most of the gas enters the upper part of the main separator, and the mixed liquid containing a small amount of gas enters the cyclone separator 4 through the inlet pipe 3; because the inlet pipe 3 is connected with the cyclone separator 4 along the tangential direction downwards at a certain inclination angle, under the cyclone action of liquid, centrifugal force, gravity and buoyancy form an inverted cone-shaped vortex surface in the cyclone separator 4; the liquid phase with high density flows to the bottom of the cyclone separator 4 along the wall of the pipe of the vertical pipeline, the gas phase with low density rises to the top of the cyclone separator 4 along the center of the vortex, and finally the gas phase and the liquid phase are discharged from the top and the bottom of the cyclone separator 4 respectively.
The liquid is discharged from the cyclone separator 4 and enters the post-processor 6, and the dissolved gas is discharged through settling stability and enters the mass flow meter from the lower part for metering.
Because the post-processor 6 is internally provided with the floating ball 14 gas-liquid two-phase liquid level control device, after the liquid level exceeds a certain position, the gas phase valve is closed, the gas phase cannot be discharged, and the liquid phase discharge speed is accelerated; after the liquid level is lowered to a certain position, the liquid phase valve is closed; the liquid level of the post processor 6 is ensured to be stabilized in a proper interval by the floating ball 14 and the matched two-phase control valve.
The accurate design of the post-processor 6 is the key for ensuring the overall performance of the post-processor, and the accurate design of the post-processor 6 can ensure that even when the severe slug flow occurs, the gas phase outlet is saturated gas, and the gas content of the liquid phase outlet is within 1 percent, thereby ensuring the accuracy of liquid measurement; according to the working condition and measurement precision requirement provided by the user, the multiphase flow analysis software is used for analyzing the field working condition provided by the user and simulating the fluid by a computer, the size of the separator is calculated and determined, and the separator is matched with a corresponding postprocessor, a liquid level control, a metering instrument and a data acquisition and remote transmission system.
A metering system: the separated liquid phase (oil-water mixture) is measured by a mass flow meter, and after the densities of the pure water and the pure oil on site are input at the setting interface of the mass flow meter, the flow rates and the water contents of the pure water and the pure oil in the mixed liquid can be obtained through calculation. The gas phase is measured by an intelligent precession vortex flowmeter, the pressure and temperature compensation calculation of the natural gas amount is automatically completed, and the natural gas flow in a standard state is displayed. The liquid phase and gas phase metering data can be uploaded into an oil field digital management network through an MODBUS communication protocol, and the measured data is analyzed and processed by a computer to automatically generate liquid, gas and water (oil) instantaneous parameter curves, production daily reports and the like, so that the remote monitoring of the oil well metering data is realized.
Claims (8)
1. Oil-gas separation metering device, it includes oil well wellhead (1), filter (2), import pipe (3), cyclone (4), mist trap (5), aftertreatment ware (6), gas phase pipeline (7), gas phase flowmeter (8), liquid phase pipeline (9), liquid phase flowmeter (10), blowdown pipeline (11), cyclone blowoff valve (12), aftertreatment ware blowoff valve (13), characterized by: the cyclone separator (4) is connected with the wellhead (1) of the oil well through a pipeline (3), and a filter (2) is arranged on the pipeline (3); the top end of the cyclone separator (4) is connected with a post processor (7) through a pipeline; a cyclone separator blow-down valve (12) is arranged at the bottom end of the cyclone separator (4); the upper end of the post processor (6) is connected with the oil well wellhead (1) after being converged by a gas phase pipeline (7) and a liquid phase pipeline (9), and a gas phase flowmeter (10) is arranged on the gas phase pipeline (7); a liquid phase flowmeter (10) is arranged on a liquid phase pipeline (9) at the lower end of the post-processor (6); the bottom of the post-processor 6 is provided with a post-processor blow-down valve (13); a mist catcher (5) is arranged inside the upper end of the cyclone separator (4); the cyclone separator blow-down valve (12) and the post-processor blow-down valve (13) are connected with a blow-down pipeline (11).
2. The oil-gas separation metering device of claim 1, wherein: the post-processor (6) comprises a floating ball (14), an upper ejector rod (15), an upper guide pipe (16), an upper valve ball (17), an upper valve ball seat (28), an upper base (19), an upper flange (20), a lower pull rod (21), a lower guide pipe (22), a lower valve ball (23), a lower valve ball seat (24), a lower base (25) and a lower flange (26), wherein the upper ejector rod (15) is arranged at the upper end of the floating ball (14) and is connected with the upper ejector rod (15) through threads, one end of the upper ejector rod (15) is connected with the upper valve ball (17), and the upper valve ball (17) is positioned in the upper valve ball seat (18); the upper valve ball seat (18) is connected with the upper base (19) through bolts, and the upper base (19) is fixed on the upper flange (20) through bolts; the lower end of the floating ball (14) is provided with a lower pull rod (21) which is connected by screw threads, the lower end of the lower pull rod (21) is connected with a lower valve ball (23), and the lower valve ball (23) is positioned in a lower valve ball seat (24); the lower valve ball seat (24) is connected with the lower base (25) through bolts, and the lower base (25) is fixed on the lower flange (26) through bolts.
3. The oil-gas separation metering device of claim 2, wherein: the floating ball (14) has the mass of 3078.74g and the buoyancy of 4489.68 g; the straight section of the floating ball (14) is 300mm, and the end sockets at the two ends are 60mm long respectively; the wall thickness of the floating ball (14) is 1.5 mm.
4. The oil-gas separation metering device of claim 2, wherein: the two valve balls are arranged at the upper part and the lower part, the mass of the two valve balls is 134.62g, and the buoyancy is 16.89 g; after the upper valve ball (17) at the upper end is opened, the maximum gas-phase flow rate is 1695.60m for cultivation/d; the maximum flow rate of the lower valve ball (23) at the lower end is 42.39 m/d; the maximum tightening pressure of the upper valve balls (17) is 1.99c square meters per kg; the maximum tightening pressure of the lower Ver ball (23) is 3.98c square meters per kg, and the height of the liquid level is 600 mm; and the two valve balls are provided with connecting holes, and internal threads are arranged in the connecting holes.
5. The oil-gas separation metering device of claim 2, wherein: the valve ball seats are arranged in an upper and a lower direction, and the inner diameters of the upper and the lower valve ball seats are both 25 mm; the flow rate of the upper valve ball seat (18) is 10m/s, and the pressure is 0.3 MPa; the flow rate of the lower ball seat (24) is 1 m/s.
6. The oil-gas separation metering device of claim 2, wherein: the upper ejector rod (15) has the mass of 301.95g, the buoyancy of 37.89g and the L of 450 mm; the mass of the lower pull rod (21) is 603.90g, and the buoyancy is 75.78 g; l is 450 mm.
7. The oil-gas separation metering device of claim 2, wherein: the upper base (19) and the lower base (25) are respectively provided with an inner circle connecting hole and an outer circle connecting hole, and the outer circle connecting holes correspond to the connecting holes on the flange; the inner circle connecting holes of the valve seat are corresponding to the connecting holes of the upper valve ball seat (18) and the lower valve ball seat (24).
8. The application method of the oil-gas separation metering device of claim 1, which is characterized in that: after the mixed liquid is pre-separated by the vertical pipe through multiphase flow, most of gas enters the upper part of the main separator, and the mixed liquid containing a small amount of gas enters the cyclone separator 4 through the inlet pipe (3); because the inlet pipe (3) is connected with the cyclone separator (4) downwards along the tangential direction according to a certain inclination angle, under the cyclone action of liquid, centrifugal force, gravity and buoyancy form an inverted cone-shaped vortex surface in the cyclone separator (4); the liquid phase with high density flows to the bottom of the cyclone separator (4) along the wall of the vertical pipeline, the gas phase with low density rises to the top of the cyclone separator (4) along the center of the vortex, and finally the gas phase and the liquid phase are discharged from the top and the bottom of the cyclone separator (4) respectively;
the liquid is discharged from the cyclone separator (4), enters the post-processor (6), is settled and stably discharged to obtain dissolved gas, and then enters the mass flow meter from the lower part for metering;
because the post-processor 6 is internally provided with a floating ball (14) gas-liquid two-phase liquid level control device, after the liquid level exceeds a certain position, the gas phase valve is closed, the gas phase cannot be discharged, and the liquid phase discharge speed is accelerated; after the liquid level is lowered to a certain position, the liquid phase valve is closed; the liquid level of the post processor (6) is ensured to be stabilized in a proper interval through the floating ball (14) and a matched two-phase control valve;
the accurate design of the post processor (6) is the key for ensuring the overall performance of the post processor, and the accurate design of the post processor (6) can ensure that even when severe slug flow occurs, a gas phase outlet is saturated gas, and the gas content of a liquid phase outlet is within 1 percent, thereby ensuring the accuracy of liquid measurement; according to the working condition and the measurement precision requirement provided by a user, the multiphase flow analysis software is used for analyzing the field working condition provided by the user and simulating the fluid by a computer, the size of the separator is calculated and determined, and the separator is matched with a corresponding postprocessor, a liquid level control system, a metering instrument and a data acquisition and remote transmission system;
a metering system: the separated liquid phase (oil-water mixture) is measured by a mass flow meter, and after the densities of the pure water and the pure oil on site are input at the setting interface of the mass flow meter, the flow rates and the water contents of the pure water and the pure oil in the mixed liquid can be obtained through calculation. The gas phase is measured by an intelligent precession vortex flowmeter, the pressure and temperature compensation calculation of the natural gas amount is automatically completed, and the natural gas flow in a standard state is displayed. The liquid phase and gas phase metering data can be uploaded into an oil field digital management network through an MODBUS communication protocol, and the measured data is analyzed and processed by a computer to automatically generate liquid, gas and water (oil) instantaneous parameter curves, production daily reports and the like, so that the remote monitoring of the oil well metering data is realized.
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2021
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| CN201241690Y (en) * | 2008-08-19 | 2009-05-20 | 寿焕根 | Oil, water and gas three-phase automatic separated metering device |
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Inventor after: Wang Encheng Inventor after: Zhang Hua Inventor after: Liu Yang Inventor after: Wang Haixue Inventor after: Wang Jinyong Inventor after: Liu Yuliang Inventor after: Liu Wentao Inventor after: Sun Xiaodong Inventor after: Sun Yuhang Inventor after: Liu Youguo Inventor after: Zhang Wei Inventor after: Song Junbei Inventor before: Wang Encheng Inventor before: Zhang Hua Inventor before: Liu Yang Inventor before: Wang Haixue Inventor before: Wang Jinyong Inventor before: Liu Yuliang Inventor before: Liu Wentao Inventor before: Sun Xiaodong Inventor before: Sun Yuhang Inventor before: Liu Youguo Inventor before: Zhang Wei Inventor before: Song Beijun |
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Application publication date: 20210413 |