CN210069492U - Well group falls back pressure metering device - Google Patents

Well group falls back pressure metering device Download PDF

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Publication number
CN210069492U
CN210069492U CN201920772262.8U CN201920772262U CN210069492U CN 210069492 U CN210069492 U CN 210069492U CN 201920772262 U CN201920772262 U CN 201920772262U CN 210069492 U CN210069492 U CN 210069492U
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oil
metering
back pressure
heating furnace
pipe
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CN201920772262.8U
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梁朝
侯恩长
强小军
高梅芳
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XI'AN LIDU INSTRUMENT MEASUREMENT AND CONTROL TECHNOLOGY Co Ltd
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XI'AN LIDU INSTRUMENT MEASUREMENT AND CONTROL TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a well group falls back pressure metering device, including petroleum transportation unit, data monitoring unit and data management unit, petroleum transportation unit includes a plurality of oil wells of organizing, every the oil well all is provided with takes out oil pipe, it is connected with the plunger pump to take out oil pipe one end, plunger pump one side is provided with defeated oil pipe, a plurality of defeated oil pipe one end is connected with same measurement multi-way valves, measurement multi-way valves one side is provided with the water jacket heating furnace, water jacket heating furnace one side is provided with vapour and liquid separator, vapour and liquid separator surface is provided with exhaust duct, flowing back pipeline and oil extraction pipeline. The utility model discloses a measurement multi-ported valves, orifice plate flowmeter measurer and mass flow meter measurer are favorable to measuring the crude oil of different oil well pipelines to measure the gas and the moisture content of isolating respectively through orifice plate flowmeter measurer and mass flow meter measurer, thereby realize containing gas and moisture content in to crude oil and carry out digital control.

Description

Well group falls back pressure metering device
Technical Field
The utility model relates to a petroleum conveying equipment technical field, in particular to well group falls back pressure metering device.
Background
In each oil production plant of the Changqing oil field, because well groups are far away from a pressurizing station and a metering station, an oil conveying pipeline is long, oil wells are seriously waxed and the like, each oil production well is always in a high back pressure (1.5-3MPa) production state for a long time, the normal production of the oil wells is seriously influenced, the back pressure can reach 6-7MPa in cold weather in winter, and the oil wells can hardly produce normally under the condition.
The external flow of the well group is generally a double-pipe flow, namely one-time metering pipeline and one-time mixed conveying pipeline, two times of pipelines are required to be ensured to be uninterruptedly conveyed during oil conveying in winter, as long as one time of pipeline stops oil conveying for one hour, the pipelines are blocked, effective resources are wasted, the production cost is improved, the labor intensity of workers is increased, and the existing single-well metering technology has the defects that the measured parameters are too few, the liquid amount of an oil well can only be measured, and the water content and the gas yield cannot be measured.
Therefore, it is necessary to develop a well group back pressure reducing metering device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a well group falls back pressure metering device, through measuring many valve groups, orifice plate flowmeter measurer and mass flowmeter measurer, be favorable to measuring the crude oil of different oil well pipelines to measure the gas and the moisture content of isolating respectively through orifice plate flowmeter measurer and mass flowmeter measurer, thereby the realization contains gas and moisture content to carry out digital control in the crude oil, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a well group falls back pressure metering device, includes petroleum transportation unit, data monitoring unit and data management unit, the petroleum transportation unit includes a plurality of groups oil well, every the oil well all is provided with takes out oil pipe, it is connected with the plunger pump to take out oil pipe one end, plunger pump one side is provided with defeated oil pipe, a plurality of defeated oil pipe one end is connected with same measurement multi-way valves, measurement multi-way valves one side is provided with water jacket heating furnace, water jacket heating furnace one side is provided with vapour and liquid separator, vapour and liquid separator surface is provided with exhaust duct, flowing back pipeline and oil extraction pipeline, be provided with the orifice plate flowmeter measurer between the exhaust duct both ends, be provided with the mass flowmeter measurer between the flowing back pipeline both ends, oil extraction pipeline one end is provided.
Preferably, an inlet valve, a dosing device and a filter are sequentially arranged between the two ends of the oil pumping pipe, and the dosing device comprises a dosing tank, a stepping motor and a dosing pump.
Preferably, one side is provided with energy storage ware and check valve between defeated oil pipe both ends, be provided with the back flow between defeated oil pipe and the oil pumping pipe, be provided with the choke valve between the back flow.
Preferably, the metering multi-way valve group comprises a multi-way valve, a plurality of confluence pipelines are arranged on the surface of the multi-way valve and communicated with an oil delivery pipe, a metering tank is connected to one side of the multi-way valve, a precession vortex flowmeter is arranged on the surface of the metering tank, a liquid mixing tank is arranged at the bottom of the metering tank, and one end of the liquid mixing tank is connected with the water jacket heating furnace.
Preferably, the data monitoring unit comprises a plurality of pressure sensors, temperature sensors, liquid level sensors and flow sensors.
Preferably, pressure sensor is located the exit position setting of plunger pump, temperature sensor is located oil extraction pipe, measurement multi-way valve group, water jacket heating furnace, exhaust duct and flowing back pipeline position setting, level sensor is located inside setting of water jacket heating furnace, metering tank, liquid-mixing tank and vapour and liquid separator, flow sensor is located each pipeline and sets up.
Preferably, the data management unit comprises an information acquisition module, an information storage module and an information processing module, and the data management module is connected with a webpage APP by adopting a GPRS.
Preferably, the pressure sensor, the temperature sensor, the liquid level sensor, the flow sensor, the precession vortex flowmeter, the orifice plate flowmeter and the mass flowmeter are all electrically connected with the information acquisition module, and the plunger pump, the dosing pump, the multi-way valve, the water jacket heating furnace, the gas-liquid separator, the inlet valve, the check valve and the throttle valve are all electrically connected with the information processing module.
The utility model discloses a technological effect and advantage:
1. through the metering multi-way valve group, the orifice plate flowmeter and the mass flowmeter, the rotation of the multi-way valve is favorably controlled, different oil wells are switched to pass through the metering tank, the precession vortex flowmeter on the metering tank calculates the crude oil flow of a single well, crude oil of pipelines of different oil wells is effectively metered, and separated gas and moisture are respectively metered through the orifice plate flowmeter and the mass flowmeter, so that the gas and the moisture contained in the crude oil are digitally monitored.
2. Through being equipped with charge device and water jacket heating furnace, be favorable to going on reducing the back pressure to crude oil through two aspects to realize crude oil at the in-process of carrying, realize whole return pressure effect that reduces, thereby guarantee incessant oil transportation.
3. Through the automatic information acquisition of oil well data, the crude oil metering and the real-time detection of multi-way valve parameters are effectively carried out, and the detected oil well metering state is transmitted to the real-time database server of an oil production plant, so that each department of production management can timely master the working state of an oil well, the fault handling time of the oil well is shortened, the well opening time rate is improved, the crude oil yield is increased, and the working efficiency is improved.
Drawings
FIG. 1 is a flow chart of the overall structure of the present invention;
FIG. 2 is a partial structural flow chart of the present invention;
fig. 3 is a system diagram of the overall structure of the present invention.
In the figure: 1. a petroleum delivery unit; 2. a data monitoring unit; 3. a data management unit; 301. an information acquisition module; 302. an information storage module; 303. an information processing module; 4. an oil well; 5. an oil pumping pipe; 6. a plunger pump; 7. an oil delivery pipe; 8. a metering multi-way valve bank; 801. a multi-way valve; 802. a converging duct; 803. a metering tank; 804. a precession vortex flowmeter; 805. a liquid mixing tank; 9. a water jacket heating furnace; 10. a gas-liquid separator; 11. an exhaust duct; 12. a liquid discharge conduit; 13. an oil discharge pipe; 14. an orifice plate flowmeter; 15. oil collection points; 16. a mass flow meter; 17. an inlet valve; 18. a dosing device; 19. a filter; 20. an accumulator; 21. a check valve; 22. a return pipe; 23. a throttle valve.
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.
Example 1:
according to the well group pressure drop and return metering device shown in the figure 1-2, which comprises a petroleum conveying unit 1, a data monitoring unit 2 and a data management unit 3, wherein the petroleum conveying unit 1 comprises a plurality of groups of oil wells 4, each oil well 4 is provided with an oil pumping pipe 5, one end of each oil pumping pipe 5 is connected with a plunger pump 6, the plunger pump 6 is adopted as an oil transfer pump, the oil pumping pipe 5 effectively passes through the pressurization effect of the plunger pump 6, so that the petroleum in the oil pumping pipe 5 is pressurized and conveyed into the oil transfer pipe 7 to reduce the pressure drop and return, one side of the plunger pump 6 is provided with the oil transfer pipe 7, one end of each oil transfer pipe 7 is connected with the same metering multi-way valve group 8, one side of the metering multi-way valve group 8 is provided with a water jacket heating furnace 9, one side of the water jacket heating furnace 9 is provided with a gas-liquid separator 10, the surface of, a mass flow meter 16 is arranged between two ends of the liquid discharge pipeline 12, an oil collection point 15 is arranged at one end of the oil discharge pipeline 13, and separated gas and water are respectively measured through a pore plate flow meter 14 and the mass flow meter 16, so that the gas and the water contained in the crude oil are digitally monitored.
An inlet valve 17, a dosing device 18 and a filter 19 are sequentially arranged between two ends of an oil pumping pipe 5, the dosing device 18 comprises a dosing tank, a stepping motor and a dosing pump, the dosing device 18 and a water jacket heating furnace 9 are arranged to facilitate the crude oil to be subjected to back pressure reduction in two aspects, so that the crude oil is conveyed in a whole process, the back pressure reduction effect is realized, uninterrupted oil transportation is ensured, an energy accumulator 20 and a check valve 21 are arranged on one side between the two ends of an oil transportation pipe 7, the energy accumulator 20 is arranged to facilitate the effects of pressurizing and reducing the pressure of the crude oil in the oil transportation pipe 7, a return pipe 22 is arranged between the oil transportation pipe 7 and the oil pumping pipe 5, a throttle valve 23 is arranged between the return pipes 22, the effect of throttling the crude oil is facilitated by arranging the return pipe 22 and the throttle valve 23, the metering multi-way valve group 8 comprises a multi-way valve 801, a plurality of, the confluence pipeline 802 is communicated with the oil conveying pipe 7, one side of the multi-way valve 801 is connected with a metering tank 803, the surface of the metering tank 803 is provided with a precession vortex flowmeter 804, the bottom of the metering tank 803 is provided with a liquid mixing tank 805, one end of the liquid mixing tank 805 is connected with the water jacket heating furnace 9, the rotation of the multi-way valve 801 is favorably controlled through a metering multi-way valve group 8, different oil wells 4 are switched to pass through the metering tank 803, the precession vortex flowmeter 804 on the metering tank 803 calculates the crude oil flow of a single well, and the crude oil of pipelines of different oil wells 4 is effectively metered.
Example 2:
according to the well group return pressure lowering metering device shown in fig. 3, which comprises a petroleum conveying unit 1, a data monitoring unit 2 and a data management unit 3, wherein the petroleum conveying unit 1 comprises a plurality of groups of oil wells 4, each oil well 4 is provided with an oil pumping pipe 5, one end of each oil pumping pipe 5 is connected with a plunger pump 6, the plunger pump 6 is adopted as an oil delivery pump, so that the oil in the oil pumping pipe 5 is pressurized and conveyed into the oil delivery pipe 7 to reduce the return pressure, the oil delivery pipe 7 is arranged on one side of the plunger pump 6, one end of each oil delivery pipe 7 is connected with the same metering multi-way valve group 8, a water jacket heating furnace 9 is arranged on one side of the metering multi-way valve group 8, a gas-liquid separator 10 is arranged on one side of the water jacket heating furnace 9, an exhaust pipeline 11, a liquid discharge pipeline 12 and an oil discharge pipeline 13 are arranged on the surface of the, a mass flow meter 16 is arranged between two ends of the liquid discharge pipeline 12, an oil collection point 15 is arranged at one end of the oil discharge pipeline 13, and separated gas and water are respectively measured through a pore plate flow meter 14 and the mass flow meter 16, so that the gas and the water contained in the crude oil are digitally monitored.
The data monitoring unit 2 comprises a plurality of pressure sensors, temperature sensors, liquid level sensors and flow sensors, the pressure sensors are arranged at the inlet and outlet positions of the plunger pump 6, the temperature sensors are arranged at the positions of the oil pumping pipe 5, the metering multi-way valve group 8, the water jacket heating furnace 9, the exhaust pipeline 11 and the liquid discharge pipeline 12, the liquid level sensors are arranged in the water jacket heating furnace 9, the metering tank 803, the liquid mixing tank 805 and the gas-liquid separator 10, the flow sensors are arranged on each pipeline, the data management unit 3 comprises an information acquisition module 301, an information storage module 302 and an information processing module 303, the data management module is connected with a webpage APP by GPRS (general packet radio service), the information data can be favorably checked in any place by networking, and the pressure sensors, the temperature sensors, the liquid level sensors, the flow sensors, the precession vortex flowmeter 804, the pore plate flow meter 14 and the mass flow meter 16, the plunger pump 6, the dosing pump, the multi-way valve 801, the water jacket heating furnace 9, the gas-liquid separator 10, the inlet valve 17, the check valve 21 and the throttle valve 23 are electrically connected with the information processing module 303, the crude oil metering and the multi-way valve 801 parameter real-time detection are effectively carried out through the automatic information acquisition of the oil well 4 data, the detected metering state of the oil well 4 is transmitted to an oil production plant real-time database server, all departments of production management can timely master the working state of the oil well 4, the fault processing time of the oil well 4 is shortened, the well opening time rate is improved, the crude oil yield is increased, and the working efficiency is improved.
The utility model discloses the theory of operation:
referring to the attached figures 1-2 of the specification, when the device is used, the inlet valve 17, the check valve 21 and the throttle valve 23 on the oil pumping pipe 5, the oil delivery pipe 7 and the return pipe 22 are opened, the plunger pump 6 is started to pump the oil in the oil well 4 out, the oil in the oil pumping pipe 5 is pressurized and conveyed to the inside of the oil delivery pipe 7 by the pressurization effect of the plunger pump 6, meanwhile, the oil in the oil pumping pipe 5 adds the medicament into the oil by the medicament adding device 18 to reduce the viscosity of the oil, then the water in the oil is removed, the resistance of the oil in the pipeline is reduced, the pipeline is prevented from scaling and corrosion, the service life of the pipeline is prolonged, when the oil is conveyed to the position of the metering multi-way valve group 8, the rotation of the multi-way valve 801 is controlled, different oil wells 4 are switched to pass through the metering tank 803, and the precession vortex flow meter 804 on the metering tank 803 is used for calculating the raw, calculating the crude oil in each oil well 4, mixing the crude oil in the mixing liquid tank 805, conveying the mixed crude oil into the water jacket heating furnace 9, heating and depressurizing the crude oil through the water jacket heating furnace 9 so as to prevent the crude oil from being incapable of being conveyed due to pressure increase caused by low temperature of the crude oil, conveying the heated and depressurized crude oil into the gas-liquid separator 10, separating natural gas and crude oil in the crude oil through the gas-liquid separator 10, metering the crude oil through the orifice plate flow meter 14 and the mass flow meter 16, and conveying the crude oil to a corresponding position;
referring to the attached figure 3 of the specification, in the using process of the device, the information acquisition module 301 in the data monitoring unit 2 acquires the values of the pressure sensor, the temperature sensor, the liquid level sensor, the flow sensor, the precession vortex flowmeter 804, the orifice plate flowmeter 14 and the mass flowmeter 16, and simultaneously sends the data to the information storage module 302 and the information processing module, so that the information processing module 303 controls the mechanical start needing to be operated in the plunger pump 6, the dosing pump, the multi-way valve 801, the water jacket heating furnace 9, the gas-liquid separator 10, the inlet valve 17, the check valve 21 and the throttle valve 23 according to the result of data analysis, thereby realizing the digital management of the pressure drop and the metering of the crude oil, effectively ensuring the advantages of high testing precision, safety, reliability, simplicity and convenience in operation and the like, and realizing an integrated structure.
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. The utility model provides a well group falls back pressure metering device, includes oil delivery unit (1), data monitoring unit (2) and data management unit (3), its characterized in that: the petroleum conveying unit (1) comprises a plurality of groups of oil wells (4), each oil well (4) is provided with an oil pumping pipe (5), one end of the oil pumping pipe (5) is connected with a plunger pump (6), one side of the plunger pump (6) is provided with an oil conveying pipe (7), one end of a plurality of oil conveying pipes (7) is connected with the same metering multi-way valve group (8), a water jacket heating furnace (9) is arranged at one side of the metering multi-way valve group (8), a gas-liquid separator (10) is arranged on one side of the water jacket heating furnace (9), an exhaust pipeline (11), a liquid discharge pipeline (12) and an oil discharge pipeline (13) are arranged on the surface of the gas-liquid separator (10), a pore plate flowmeter (14) is arranged between the two ends of the exhaust pipeline (11), a mass flow meter (16) is arranged between the two ends of the liquid drainage pipeline (12), and an oil collection point (15) is arranged at one end of the oil drainage pipeline (13).
2. A well group back pressure lowering gauge as claimed in claim 1, wherein: an inlet valve (17), a dosing device (18) and a filter (19) are sequentially arranged between the two ends of the oil pumping pipe (5), and the dosing device (18) comprises a dosing tank, a stepping motor and a dosing pump.
3. A well group back pressure lowering gauge as claimed in claim 1, wherein: one side is provided with energy storage ware (20) and check valve (21) between defeated oil pipe (7) both ends, be provided with back flow (22) between defeated oil pipe (7) and oil extraction pipe (5), be provided with choke valve (23) between back flow (22).
4. A well group back pressure lowering gauge as claimed in claim 1, wherein: the metering multi-way valve group (8) comprises a multi-way valve (801), a plurality of confluence pipelines (802) are arranged on the surface of the multi-way valve (801), the confluence pipelines (802) are communicated with an oil conveying pipe (7), one side of the multi-way valve (801) is connected with a metering tank (803), a precession vortex flowmeter (804) is arranged on the surface of the metering tank (803), a liquid mixing tank (805) is arranged at the bottom of the metering tank (803), and one end of the liquid mixing tank (805) is connected with a water jacket heating furnace (9).
5. A well group back pressure lowering gauge as claimed in claim 1, wherein: the data monitoring unit (2) comprises a plurality of pressure sensors, a temperature sensor, a liquid level sensor and a flow sensor.
6. The well group back pressure lowering metering device of claim 5, wherein: the pressure sensor is located the exit position setting of plunger pump (6), temperature sensor is located oil extraction pipe (5), measurement multi-ported valve group (8), water jacket heating furnace (9), exhaust duct (11) and flowing back pipeline (12) position setting, level sensor is located inside setting of water jacket heating furnace (9), metering tank (803), liquid mixing tank (805) and vapour and liquid separator (10), flow sensor is located and sets up on each pipeline.
7. A well group back pressure lowering gauge as claimed in claim 1, wherein: the data management unit (3) comprises an information acquisition module (301), an information storage module (302) and an information processing module (303), and the data management module is connected with a webpage APP by adopting GPRS.
8. The well group back pressure lowering metering device of claim 5, wherein: pressure sensor, temperature sensor, level sensor, flow sensor, precession vortex flowmeter (804), orifice plate flowmeter (14) and mass flow meter (16) all with information acquisition module (301) electric connection, plunger pump (6), dosing pump, multi-way valve (801), water jacket heating furnace (9), vapour and liquid separator (10), import valve (17), check valve (21) and choke valve (23) all with information processing module (303) electric connection.
CN201920772262.8U 2019-05-27 2019-05-27 Well group falls back pressure metering device Active CN210069492U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131586A (en) * 2019-05-27 2019-08-16 西安利都仪表测控设备有限公司 A kind of well group drops back to pressure metering device
CN111664356A (en) * 2020-06-16 2020-09-15 陕西航天德林科技集团有限公司 Well site throttling method and well site throttling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131586A (en) * 2019-05-27 2019-08-16 西安利都仪表测控设备有限公司 A kind of well group drops back to pressure metering device
CN111664356A (en) * 2020-06-16 2020-09-15 陕西航天德林科技集团有限公司 Well site throttling method and well site throttling system
CN111664356B (en) * 2020-06-16 2022-02-25 陕西航天德林科技集团有限公司 Well site throttling method and well site throttling system

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