CN114198089A - Multi-process oil well yield program-controlled metering device and metering method - Google Patents
Multi-process oil well yield program-controlled metering device and metering method Download PDFInfo
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- CN114198089A CN114198089A CN202111554468.1A CN202111554468A CN114198089A CN 114198089 A CN114198089 A CN 114198089A CN 202111554468 A CN202111554468 A CN 202111554468A CN 114198089 A CN114198089 A CN 114198089A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000010734 process oil Substances 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000003129 oil well Substances 0.000 claims abstract description 50
- 239000007791 liquid phase Substances 0.000 claims abstract description 31
- 239000012071 phase Substances 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 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
- E21B47/00—Survey of boreholes or wells
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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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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Abstract
The invention relates to the technical field of oil well metering devices and methods, and particularly discloses a multi-process oil well yield program control metering device which comprises a well selection unit, a metering unit and a control unit, wherein the well selection unit is an electric control multi-way valve; the metering unit comprises a gas-liquid separator, a booster pump, a liquid phase flowmeter and a gas phase flowmeter, and an electric control valve is arranged on the output end; the electric control multi-way valve, the booster pump, the liquid phase flowmeter, the gas phase flowmeter and the electric control valve are electrically connected with the control unit. The metering process comprises original equipment operation, remote control flow or independent metering. The invention has reasonable design, simple structure and easy manufacture, can realize one-time installation of a plurality of oil wells under the control of the control unit through the matching design of the well selection unit in an electric control multi-way valve mode and the metering unit in a flow metering mode, has small engineering quantity and construction period, and can carry out alternate or independent oil gas respective metering on the plurality of oil wells; and a remote control metering mode is adopted, so that convenience and safety are realized.
Description
Technical Field
The invention relates to the technical field of oil well metering devices and methods, in particular to a multi-process oil well yield program control metering device and a metering method.
Background
The metering station currently used in the oil field mainly adopts a construction mode that a multi-way valve or a well selection manifold is matched with a metering device; the metering mainly adopts positive displacement metering, and in recent years, a mass flowmeter is selected for metering wellhead produced liquid in part of oil fields, but due to the complexity of actual production of the oil fields, the defects of small metering range and large limitation exist; a flow meter metering mode is adopted, and due to the limitation of the measuring range of the flow meter, the installation can only be performed on one oil well each time; if a plurality of oil wells exist on the site, the oil wells are required to be respectively installed one by one during metering and are independently metered, so that the site construction work amount is large, and the construction period is long.
Disclosure of Invention
The invention aims to provide a multi-process oil well yield program control metering device and a metering method aiming at the defects in the prior art.
The technical scheme is as follows: the multi-process oil well yield program-controlled metering device comprises a well selection unit, a metering unit and a control unit, wherein the well selection unit is an electric control multi-way valve, the electric control multi-way valve is provided with 8 input ends, one output end and one metering end, the 8 input ends are respectively connected with a liquid outlet pipeline of a No. 1-8 detected oil well, the output end of the electric control multi-way valve is connected with an external conveying pipeline, the metering end of the electric control multi-way valve is connected with the input end of the metering unit, and the output end of the metering unit is connected with the external conveying pipeline;
the metering unit comprises a gas-liquid separator, a booster pump, a liquid phase flowmeter and a gas phase flowmeter, an electric control valve is arranged at the output end of the metering unit, the metering end of the electric control multi-way valve is connected with the input end of the gas-liquid separator, the gas phase output end of the gas-liquid separator is connected with the input end of the booster pump through a gas phase flowmeter and a first one-way valve, the liquid phase output end of the gas-liquid separator is connected with the input end of the booster pump through a liquid phase flowmeter and a second one-way valve, the output end of the booster pump is connected with an external conveying pipeline through the electric control valve, and the output end of the electric control multi-way valve is connected with the external conveying pipeline; a pressure gauge is arranged on the input end pipeline of the gas-liquid separator;
the electric control multi-way valve, the pressure gauge, the booster pump, the liquid phase flowmeter, the gas phase flowmeter and the electric control valve are respectively and electrically connected with the control unit.
Furthermore, the control unit comprises a single chip microcomputer circuit, a remote controller, a wireless receiver and an RTU (remote terminal Unit), a valve position sensor of the electric control multi-way valve is connected with a first input end of the single chip microcomputer circuit, the wireless receiver is connected with a second input end of the single chip microcomputer circuit, a first output end of the single chip microcomputer circuit is connected with a display control screen, a second output end of the single chip microcomputer circuit is connected with a driving motor of the electric control multi-way valve, a third output end of the single chip microcomputer circuit is connected with a first input end of the RTU, a liquid phase flow meter is connected with a second input end of the RTU, a gas phase flow meter is connected with a third input end of the RTU, the booster pump is connected with the first output end of the RTU, and the electric control valve is connected with a second output end of the RTU; the remote controller is in radio connection with the wireless receiver, and is a wireless remote controller which is provided with at least 9 keys and is matched with the wireless receiver; and a third output end of the RTU is connected with a data output port which is a wired port or a wireless bridge.
Further, the gas-liquid separator comprises a sealed cylindrical vertically arranged shell, a spray pipe is vertically arranged in the middle of the shell, the lower end of the spray pipe is connected with a liquid inlet pipe, the outer end of the liquid inlet pipe extends to the outer side of the shell, and a baffle is arranged at the upper part of the upper end of the spray pipe; the top of the shell is provided with a gas phase output pipe orifice, and the lower part of the shell 201 is provided with a liquid phase output pipe orifice.
Furthermore, the upper end of the spray pipe is provided with a bell mouth-shaped structure; the baffle is an arc circular plate structure with an upward convex surface, and the periphery of the arc circular plate structure is fixedly connected with the inside of the shell through 3 connecting ribs.
The metering method of the multi-process oil well yield program control metering device comprises the following steps:
A. after the equipment is installed, a worker holds the remote controller by hand and leaves the equipment for 2 meters or enters a duty room;
B. when a worker presses any one of keys 1-8 on the remote controller, a second output end of the single chip microcomputer circuit controls the driving motor to rotate, one input end of 1-8 of the electric control multi-way valve stops under the action of the valve position sensor, at the moment, the liquid outlet of the detected oil well corresponding to the input end enters the metering unit through the metering end of the electric control multi-way valve, the liquid outlet of the other oil wells is not metered, and enters an external conveying pipeline through the output end of the electric control multi-way valve; meanwhile, the RTU controls to start the booster pump and the electric control valve, starts to collect data from the oil well connected with the liquid phase flowmeter and the gas phase flowmeter, stores the data and transmits the data to the upper computer; the switching of the measuring well position can be carried out by switching and pressing other keys in 1-8 on the remote controller;
C. when a worker presses a 9 th key on the remote controller, a second output end of the single chip microcomputer circuit controls the driving motor to rotate, the single chip microcomputer circuit stops at each of 1 st to 8 th input ends for at least 30 minutes under the action of the valve position sensor, when a certain position stops, the liquid outlet of the detected oil well corresponding to the input end enters the metering unit through the metering end of the electric control multi-way valve, and the liquid outlet of the detected oil well and the liquid outlet of the oil well are not metered and enter an external transmission pipeline through the output end of the electric control multi-way valve; simultaneously, the RTU controls to start the booster pump and the electric control valve, starts to collect data from the oil well connected with the liquid phase flowmeter and the gas phase flowmeter, stores and transmits the data to the upper computer, and the data and the liquid outlet of the oil well are not metered and enter an external transmission pipeline through the output end of the electric control multi-way valve; so the output data of the No. 1-8 detected oil wells corresponding to the 1-8 input ends are respectively and automatically counted in turn.
Furthermore, in the process of automatically measuring the output data of No. 1-8 detected oil wells corresponding to the 1 st-8 th input ends, the interval time between adjacent detected oil wells is at least 5 minutes.
Compared with the prior art, the invention has the following advantages: the oil-gas flow meter is reasonable in design, simple in structure and easy to manufacture, and can realize one-time installation of a plurality of oil wells under the control of a control unit consisting of a single-chip microcomputer circuit, a remote controller, a wireless receiver, an RTU (remote terminal unit) and other equipment by adopting the matching design of a well selection unit in an electric control multi-way valve mode and a metering unit in a flow metering mode, the engineering quantity is small, and the oil gas flow meter can alternately or independently meter oil gas of the plurality of oil wells at the construction period end; and a remote control metering mode is adopted, so that convenience and safety are realized.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of a gas-liquid separator according to the present invention;
in the figure: 1. a well selection unit; 10. a metering end of the electrically controlled multi-way valve; 11-18, 8 input ends of the electric control multi-way valve; 19. an output end of the electric control multi-way valve; 2. a metering unit; 20. a gas-liquid separator; 21. a gas phase flow meter; 22. a second one-way valve; 23. a liquid phase flow meter; 24. a second one-way valve; 25. a booster pump; 26. an electrically controlled valve; 27. a pressure gauge; 201. a housing; 202. a nozzle; 203. a liquid inlet pipe; 204. a baffle plate; 205. a gas phase output orifice; 206. a liquid phase output orifice; 3. a control unit; 31. A single chip circuit; 32. a remote controller; 33. a wireless receiver; 34. RTU; 35. displaying a control screen; 36. a data egress port; 111. a valve position sensor of the electric control multi-way valve; 112. a drive motor 112 of the electric control multi-way valve; 4. an external transportation pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a multi-process oil well yield program control metering device comprises a well selection unit 1, a metering unit 2 and a control unit 3, wherein the well selection unit 1 is an electric control multi-way valve, the electric control multi-way valve is provided with 8 input ends 11-18, an output end 19 and a metering end 10, the 8 input ends are respectively connected with liquid outlet pipelines of No. 1-8 detected oil wells, the output end 19 of the electric control multi-way valve is connected with an external conveying pipeline 4, the metering end 10 of the electric control multi-way valve is connected with the input end of the metering unit 2, and the output end of the metering unit 2 is connected with the external conveying pipeline 4;
the metering unit 2 comprises a gas-liquid separator 20, a booster pump 25, a liquid phase flowmeter 23 and a gas phase flowmeter 21, an electric control valve 26 is arranged at the output end of the metering unit 2, a metering end 10 of the electric control multi-way valve is connected with the input end of the gas-liquid separator 20, the gas phase output end of the gas-liquid separator 20 is connected with the input end of the booster pump 25 through the gas phase flowmeter 21 and a first one-way valve 22, the liquid phase output end of the gas-liquid separator 20 is connected with the input end of the booster pump 25 through the liquid phase flowmeter 23 and a second one-way valve 24, the output end of the booster pump 25 is connected with an external transmission pipeline 4 through the electric control valve 26, and an output end 19 of the electric control multi-way valve is connected with the external transmission pipeline 4; a pressure gauge 27 is arranged on the input end pipeline of the gas-liquid separator 20;
the electric control multi-way valve, the pressure gauge 27, the booster pump 25, the liquid phase flowmeter 23, the gas phase flowmeter 21 and the electric control valve 26 are respectively electrically connected with the control unit 3.
The control unit 3 comprises a single chip microcomputer circuit 31, a remote controller 32, a wireless receiver 33 and an RTU34, a valve position sensor 111 of the electric control multi-way valve is connected with a first input end of the single chip microcomputer circuit 31, the wireless receiver 33 is connected with a second input end of the single chip microcomputer circuit 31, a first output end of the single chip microcomputer circuit 31 is connected with a display control screen 35, a second output end of the single chip microcomputer circuit 31 is connected with a driving motor 112 of the electric control multi-way valve, a third output end of the single chip microcomputer circuit 31 is connected with a first input end of the RTU34, a liquid phase flowmeter 23 is connected with a second input end of the RTU34, a gas phase flowmeter 21 is connected with a third input end of the RTU, the booster pump 25 is connected with a first output end of the RTU, and the electric control valve is connected with a second output end of the RTU 34; the remote controller 32 is in radio connection with the wireless receiver 33, and the remote controller 32 is a wireless remote controller which is provided with at least 9 keys and is matched with the wireless receiver 33; a data output port 36 is connected to a third output end of the RTU34, and the data output port 36 is a wired port or a wireless bridge and is used for connecting with a host computer to record data.
The gas-liquid separator 20 comprises a sealed cylindrical vertically-arranged shell 201, a spray pipe 202 with a bell-mouth-shaped structure at the upper end is vertically arranged in the middle of the shell 201, the lower end of the spray pipe 202 is connected with a liquid inlet pipe 203, the outer end of the liquid inlet pipe 203 extends to the outer side of the shell 201, a baffle plate 204 with an upward convex arc-shaped circular plate structure is arranged at the upper part of the upper end of the spray pipe 202, and the periphery of the arc-shaped circular plate structure is fixedly connected with the inside of the shell 201 through 3 connecting ribs; the top of the shell 201 is provided with a gas phase output pipe orifice 205, and the lower part of the shell 201 is provided with a liquid phase output pipe orifice 206.
The working principle of the gas-liquid separator 20 in the present invention is as follows: the oil-gas mixture from the metering end 10 of the electric control multi-way valve enters the lower end of the spray pipe 202 through the liquid inlet pipe 203, under the action of the self pressure of the oil-gas mixture and the suction force of the booster pump 25, the oil-gas mixture is sprayed out from the bell-mouth-shaped structure at the upper end of the spray pipe 202, at the moment, under the action of the baffle 204 of the arc-shaped circular plate structure, the liquid phase in the oil-gas mixture flows downwards along the circumference at the upper end of the spray pipe 202 to the inside of the shell 201 and is output to the liquid phase flowmeter 23 through the liquid phase output pipe opening 206, and the gas phase of the oil-gas mixture is effectively separated and is output to the gas phase flowmeter 21 through the gas phase output pipe opening 205.
The metering method of the multi-process oil well yield program-controlled metering device comprises the following processes:
A. after the equipment is installed, the worker holds the remote controller 32 by hand and leaves the equipment 2 meters away or enters a duty room;
B. when a worker presses any one of keys 1-8 on the remote controller 32, the second output end of the singlechip circuit 31 controls the driving motor 112 to rotate, one input end position of 1-8 of the electric control multi-way valve stops under the action of the valve position sensor 111, at the moment, the liquid outlet of the detected oil well corresponding to the input end enters the metering unit 2 through the metering end 10 of the electric control multi-way valve, the liquid outlet of the other oil wells is not metered, and enters the external transmission pipeline 4 through the output end 19 of the electric control multi-way valve; meanwhile, the RTU34 controls the booster pump 25 and the electric control valve 26 to be started, and starts to collect data from the oil well connected with the liquid phase flowmeter 23 and the gas phase flowmeter 21, and stores and transmits the data to the upper computer; the switching of the measuring well positions can be carried out by switching and pressing other keys 1-8 on the remote controller 32;
C. when a worker presses a 9 th key on the remote controller, a second output end of the single chip microcomputer circuit controls the driving motor to rotate 112, the driving motor stops at each of 1 st to 8 th input ends for at least 30 minutes under the action of the valve position sensor 111, when a certain position stops, the liquid outlet of the detected oil well corresponding to the input end enters the metering unit 2 through the metering end 10 of the electric control multi-way valve, and the liquid outlet of the detected oil well and the liquid outlet of the oil well are not metered and enter the external conveying pipeline 4 through the output end 19 of the electric control multi-way valve; meanwhile, the RTU34 controls to start the booster pump 25 and the electric control valve 26, starts to collect data from the oil well connected with the liquid phase flowmeter 23 and the gas phase flowmeter 21, stores and transmits the data to the upper computer, and the data and the output liquid of the oil well are not metered and enter the output pipeline 4 through the output end 19 of the electric control multi-way valve; the output data of No. 1-8 detected oil wells corresponding to the 1 st-8 th input ends are respectively and automatically counted in turn, and the data are transmitted to a main computer for recording through a data output port 36 on a third output end of the RTU 34.
In the process of automatically measuring the output data of No. 1-8 detected oil wells corresponding to the 1 st-8 th input ends, the interval time between adjacent detected oil wells is at least 5 minutes.
In the present invention, the first check valve 22 and the second check valve 22 are used to prevent gas and liquid from flowing back to affect the metering. The booster pump 25 is arranged for increasing the metering pressure, the pressure gauge 27 displays the oil well output liquid pressure from the well selection unit 1, and the electric control valve 26 is closed when the metering is not carried out, so that the influence on the output of the normal oil well output liquid is prevented.
The invention can be controlled by the remote controller 32, and can also be controlled by the display control screen 35 through finger touch. The RTU is a special computer measurement and control unit with a modular structure designed aiming at long communication distance and severe industrial field environment, and connects a terminal detection instrument and an execution mechanism with a main computer of a remote control center.
The invention has reasonable design, simple structure and easy manufacture, and can realize one-time installation of a plurality of oil wells under the control of a control unit consisting of a singlechip circuit, a remote controller, a wireless receiver, an RTU and other equipment by adopting the matching design of the well selection unit in an electric control multi-way valve mode and the metering unit in a flow metering mode, the engineering quantity is small, the construction period is short, and the oil gas of the plurality of oil wells can be respectively metered in turn or independently; and a remote control metering mode is adopted, so that convenience and safety are realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. Multi-process oil well production program control metering device, including selecting well unit (1), metering unit (2) and control unit (3), its characterized in that:
the well selection unit (1) is an electric control multi-way valve, the electric control multi-way valve is provided with 8 input ends, an output end (19) and a metering end (10), the 8 input ends (11-18) are respectively connected with liquid outlet pipelines of No. 1-8 detected oil wells, the output end (19) of the electric control multi-way valve is connected with an external conveying pipeline (4), the metering end (10) of the electric control multi-way valve is connected with the input end of a metering unit (2), and the output end of the metering unit (2) is connected with the external conveying pipeline (4);
the metering unit (2) comprises a gas-liquid separator (20), a booster pump (25), a liquid phase flowmeter (23) and a gas phase flowmeter (21), an electric control valve (26) is arranged at the output end of the metering unit (2), a metering end (10) of the electric control multi-way valve is connected with the input end of the gas-liquid separator (20), the gas phase output end of the gas-liquid separator (20) is connected with the input end of the booster pump (25) through the gas phase flowmeter (21) and a first one-way valve (22), the liquid phase output end of the gas-liquid separator (20) is connected with the input end of the booster pump (25) through the liquid phase flowmeter (23) and a second one-way valve (24), the output end of the booster pump (25) is connected with an external conveying pipeline (4) through the electric control valve (26), and the output end (19) of the electric control multi-way valve is connected with the external conveying pipeline (4); a pressure gauge (27) is arranged on an input end pipeline of the gas-liquid separator (20);
the electric control multi-way valve, the pressure gauge (27), the booster pump (25), the liquid phase flowmeter (23), the gas phase flowmeter (21) and the electric control valve (26) are respectively and electrically connected with the control unit (3).
2. The multi-process oil well production program-controlled metering device of claim 1, characterized in that: the control unit (3) comprises a single chip circuit (31), a remote controller (32), a wireless receiver (33) and an RTU (34), the valve position sensor (111) of the electric control multi-way valve is connected with a first input end of a single-chip microcomputer circuit (31), a wireless receiver (33) is connected with a second input end of the single-chip microcomputer circuit (31), a first output end of the single-chip microcomputer circuit (31) is connected with a display control screen (35), a second output end of the single-chip microcomputer circuit (31) is connected with a driving motor (112) of the electric control multi-way valve, a third output end of the single-chip microcomputer circuit (31) is connected with a first input end of an RTU (34), a liquid phase flowmeter (23) is connected with a second input end of the RTU (34), a gas phase flowmeter (21) is connected with a third input end of the RTU (34), the booster pump (25) is connected with a first output end of the RTU (34), and the electric control valve (25) is connected with a second output end of the RTU (34); the remote controller (32) is in radio connection with the wireless receiver (33), and the remote controller (32) is a wireless remote controller which is at least provided with 9 keys and is matched with the wireless receiver (33); and a data output port (36) is connected to a third output end of the RTU (34), and the data output port (36) is a wired port or a wireless bridge.
3. The multi-process oil well production program-controlled metering device of claim 1, characterized in that: the gas-liquid separator (20) comprises a sealed cylindrical vertically arranged shell (201), a spray pipe (202) is vertically arranged in the middle of the inside of the shell (201), the lower end of the spray pipe (202) is connected with a liquid inlet pipe (203), the outer end of the liquid inlet pipe (203) extends to the outer side of the shell (201), and a baffle plate (204) is arranged at the upper part of the upper end of the spray pipe (202); the top of the shell (201) is provided with a gas phase output pipe orifice (205), and the lower part of the shell (201) is provided with a liquid phase output pipe orifice (206).
4. The multi-flow programmable metering device for oil well production according to claim 3, characterized in that: the upper end of the spray pipe (202) is provided with a bell mouth-shaped structure; the baffle (204) is an arc circular plate structure with an upward convex surface, and the periphery of the arc circular plate structure is fixedly connected with the inside of the shell (201) through 3 connecting ribs.
5. The metering method of the multi-process oil well yield program-controlled metering device is characterized in that: the method comprises the following steps:
A. after the equipment is installed, a worker holds the remote controller (32) by hand and leaves the equipment 2 meters away or enters a duty room;
B. when a worker presses any one of keys 1-8 on a remote controller (32), a second output end of a singlechip circuit (31) controls a driving motor (112) to rotate, one input end of 1-8 of the electric control multi-way valve stops under the action of a valve position sensor (111), at the moment, the liquid outlet of a detected oil well corresponding to the input end enters a metering unit (2) through a metering end (10) of the electric control multi-way valve, the liquid outlet of the other oil wells is not metered, and enters an external transmission pipeline (4) through an output end (19) of the electric control multi-way valve; meanwhile, the RTU (34) controls to start the booster pump (25) and the electric control valve (26), starts to collect data from the oil well connected with the liquid phase flowmeter (23) and the gas phase flowmeter (21), stores and transmits the data to the upper computer; the switching of the measuring well position can be carried out by switching and pressing other keys in 1-8 on the remote controller (32);
C. when a worker presses a 9 th key on a remote controller (32), a second output end of the single chip microcomputer circuit (31) controls the driving motor to rotate (112), the driving motor stops at each position of 1 st to 8 th input ends for at least 30 minutes under the action of the valve position sensor (111), when a certain position stops, the output liquid of the detected oil well corresponding to the input end enters the metering unit (2) through the metering end (10) of the electric control multi-way valve, and enters the output pipeline (4) through the output end (19) of the electric control multi-way valve when the output liquid of the detected oil well and the output liquid of the oil well are not metered; meanwhile, the RTU (34) controls to start a booster pump (25) and an electric control valve (26), starts to collect data from the oil well connected with the liquid phase flowmeter (23) and the gas phase flowmeter (21), stores and transmits the data to the upper computer, and the data and the output liquid of the oil well are not metered and enter an external transmission pipeline (4) through an output end (19) of the electric control multi-way valve; so the output data of the No. 1-8 detected oil wells corresponding to the 1-8 input ends are respectively and automatically counted in turn.
6. The metering method of the multi-process oil well yield program-controlled metering device according to claim 5, characterized in that: in the process of automatically measuring the output data of No. 1-8 detected oil wells corresponding to the 1 st-8 th input ends, the interval time between adjacent detected oil wells is at least 5 minutes.
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| CN203394503U (en) * | 2013-06-21 | 2014-01-15 | 克拉玛依华油能源科技有限公司 | Numerical control multi-ported valve for oil field metering station |
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2021
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