CN215446046U - Intelligent metering and monitoring integrated system for crude oil gathering and conveying line - Google Patents
Intelligent metering and monitoring integrated system for crude oil gathering and conveying line Download PDFInfo
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- CN215446046U CN215446046U CN202121683563.7U CN202121683563U CN215446046U CN 215446046 U CN215446046 U CN 215446046U CN 202121683563 U CN202121683563 U CN 202121683563U CN 215446046 U CN215446046 U CN 215446046U
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Abstract
The utility model discloses an intelligent metering and monitoring integrated system for a crude oil gathering and transporting line, which belongs to the field of oil-gas gathering and transporting management systems and comprises a metering device and a monitoring device, wherein the metering device comprises a crude oil storage tank, a spiral single-rotor flow meter, a gas-liquid separator, a dual-frequency yield integrating instrument, an oil-gas storage tank and a liquid storage tank, and the dual-frequency yield integrating instrument comprises a gas quantity metering module, a liquid quantity metering module and a water content analyzing module; the method comprises the steps of carrying out gas-liquid separation on crude oil by using a gas-liquid separator, calculating the yield of oil gas by using a dual-frequency yield integrating instrument, weighing separated liquid and analyzing the water content, calculating the yield of the crude oil, storing the separated oil gas and the separated liquid by using an oil gas storage tank and a liquid storage tank respectively, and insulating the whole crude oil collection and transportation line by using a heating and insulating device to prevent the crude oil from causing yield calculation errors due to the influence of the external air temperature.
Description
Technical Field
The utility model belongs to the field of oil and gas gathering and transportation management systems, and particularly relates to an intelligent metering and monitoring integrated system for a crude oil gathering and transportation line.
Background
Crude oil gathering and transportation is a process of collecting, transporting and processing oil gas produced by an oil well into qualified crude oil, wherein the process starts from an oil well mouth, the crude oil produced by the oil well and associated natural gas products are centralized and processed or initially processed on the oil field to be qualified crude oil, and then the qualified crude oil is transported to the first station of a long-distance oil transportation pipeline for outward transportation, or transported to a mine oil depot and transported to an oil refinery or a transfer wharf in other transportation modes, and the qualified natural gas is centralized to the first station of the gas transportation pipeline and then transported to a petrochemical plant, a liquefied gas plant or other users; the measurement management is a foundation for enterprise management work, parameters needing measurement and monitoring in the production of oil field gathering and transportation pipelines mainly comprise temperature, pressure, flow, water content analysis, pipeline corrosion and the like at present, the related measurement installation process is complex, the repeatability of measurement parameters is high, the types of the instruments are multiple, the subsequent maintenance and management workload of the instruments is large, the uploaded information lines are multiple, in addition, the physical property and component difference of produced liquid of each oil field is large, the difference of production working conditions and natural conditions is large, and the like, so that a great deal of difficulty is brought to the oil field gathering and transportation measurement management and equipment maintenance.
In order to solve the problems, an intelligent metering and monitoring integrated system for a crude oil collecting and conveying line is needed to be designed, and the aims of multiple measurements at one point, multiple mining, data sharing, multiple functions, combination of functional modules, convenience in maintenance and management and reduction of comprehensive cost are fulfilled.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides an intelligent metering and monitoring integrated system for a crude oil collecting and conveying line, which has the characteristics of one point, multiple measurement and multiple acquisition, multiple data sharing, combination of functional modules, convenience in maintenance and management and reduction of comprehensive cost.
In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent metering and monitoring integrated system of a crude oil transmission line comprises a metering device (1) and a monitoring device (2), the metering device (1) comprises a crude oil storage tank (101), a spiral single-rotor flow meter (102), a gas-liquid separator (103), a double-frequency type yield integrating instrument (104), an oil-gas storage tank (105) and a liquid storage tank (106), the liquid inlet of the spiral single-rotor flow meter (102) is arranged with the discharge hole of the crude oil storage tank (101), the liquid inlet of the gas-liquid separator (103) is arranged with the liquid outlet of the spiral single-rotor flow meter (102), the dual-frequency yield integrating instrument (104) is communicated with the gas-liquid separator (103) through a pipeline, the oil gas storage tank (105) is communicated with the double-frequency type yield integrating instrument (104) through a pipeline, the liquid storage tank (106) is communicated with the dual-frequency yield integrating instrument (104) through a pipeline.
Furthermore, a heating and heat-preserving device is arranged outside the metering device.
Further, the dual-frequency yield integrating instrument is of a modular prying block structure.
Compared with the prior art, the utility model has the following beneficial effects:
1) carrying out gas-liquid separation on crude oil by using a gas-liquid separator, calculating the yield of oil gas by using a dual-frequency yield integrating instrument, and simultaneously weighing separated liquid and analyzing the water content, thereby achieving the effect of more mining;
2) the resistance corrosion monitor can be suitable for continuously monitoring corrosion of a gas phase system, a liquid phase system and a multiphase system, and relevant influence factors of corrosion of an instant corrosion rate machine can be mastered by the online monitoring of the resistance corrosion monitor; the GPRS pipeline leakage detection positioning alarm adopts a negative pressure wave measurement technology and an information digital technology, realizes instantaneous (within one minute) data recording and comparative analysis of pipe pressure, flow and the like, records all-weather head-end pipe pressure averaged in seconds for calling analysis and further research, can finish the determination of the position of a leakage point within one minute at the moment of leakage start and perform acousto-optic alarm, and simultaneously uses a GPRS wireless digital transmission technology to intensively transmit signals to a central detection room for unified processing, so as to detect the comprehensive operation condition of a pipeline in time and quickly eliminate accidents or faults;
3) the whole crude oil transmission line is insulated by the heating and insulating device, so that the error of yield calculation caused by the influence of the outside air temperature of the crude oil is prevented.
Drawings
FIG. 1 is a structural diagram of the intelligent metering and monitoring integrated system of a crude oil transmission line of the utility model.
Figure number and name: 1. a metering device; 101. a crude oil storage tank; 102. a helical single rotor flow meter; 103. a gas-liquid separator; 104. a dual-frequency yield integrating instrument; 105. an oil and gas storage tank; 106. a liquid storage tank; 2. a monitoring device; 3. a heating and heat-preserving device.
Detailed Description
The utility model will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides the following technical solutions: an intelligent metering and monitoring integrated system of a crude oil transmission line comprises a metering device 1 and a monitoring device 2, wherein the metering device 1 comprises a crude oil storage tank 101, a spiral single-rotor flow meter 102, a gas-liquid separator 103 and a double-frequency type yield integrating instrument 104, the oil gas storage tank 105 and the liquid storage tank 106 are arranged, a liquid inlet of the spiral single-rotor flowmeter 102 is arranged at a discharge port of the crude oil storage tank 101, a liquid inlet of the gas-liquid separator 103 is arranged at a liquid outlet of the spiral single-rotor flowmeter 102, the dual-frequency yield integrating instrument 104 is communicated with the gas-liquid separator 103 through a pipeline, the oil gas storage tank 105 is communicated with the dual-frequency yield integrating instrument 104 through a pipeline, the liquid storage tank 106 is communicated with the dual-frequency yield integrating instrument 104 through a pipeline, the dual-frequency yield integrating instrument 104 comprises a gas metering module, a liquid metering module and a water content analysis module, and the liquid storage tank 106 is communicated with the dual-frequency yield integrating instrument 104 through a pipeline.
In this embodiment: the flow of crude oil is measured by a spiral single-rotor flowmeter 102, the spiral single-rotor flowmeter 102 has low requirement on measuring media and can adapt to the measurement of media such as crude oil with high sand content and water content, dirty oil with water content, water, heavy oil, finished oil and the like, then a gas-liquid separator 103 is used for carrying out gas-liquid separation on the crude oil, the yield of oil and gas is calculated by a double-frequency yield integrating instrument 104, and simultaneously the separated liquid is weighed and subjected to water content analysis.
As a technical optimization scheme of the utility model, a heating and heat-preserving device 3 is arranged outside the metering device 1.
In this embodiment: the whole crude oil collection and transportation line is insulated by the heating and insulation device 3, so that the error of yield calculation caused by the influence of the outside air temperature of the crude oil is prevented.
As a technical optimization scheme of the present invention, the dual-frequency yield integrator 104 is a modular skid structure.
In this embodiment: the double-frequency yield integrating instrument 104 is a novel digital metering device which is developed by further upgrading and improving the double-cavity separation metering technology, adopts the modularized sledge block structural design, has the functions of liquid measurement, gas measurement and water content analysis, solves the problem that the metering device in the current market is difficult to adapt to intermittent incoming liquid, small flow, wax deposition and scaling to influence the metering precision, and obtains good application effect in field application.
As a technical optimization scheme of the utility model, the monitoring device 2 comprises a pipeline corrosion monitoring module and a pipeline leakage alarm module, wherein the pipeline corrosion monitoring module adopts a resistance corrosion monitor, and the pipeline leakage alarm module adopts a GPRS pipeline leakage detection positioning alarm mode.
In this embodiment: the resistance corrosion monitor can be suitable for continuously monitoring corrosion of a gas phase system, a liquid phase system and a multiphase system, and relevant influence factors of corrosion of an instant corrosion rate machine can be mastered by the online monitoring of the resistance corrosion monitor; the GPRS pipeline leakage detection positioning alarm adopts a negative pressure wave measurement technology and an information digital technology, so that instantaneous data recording and comparative analysis (within one minute) of pipe pressure, flow and the like are realized, all-weather head-end pipe pressure averaged in seconds is recorded for calling analysis and further research, the position of a leakage point can be determined within one minute at the moment of leakage starting, acousto-optic alarm is performed, meanwhile, a GPRS wireless digital transmission technology is used for transmitting signals to a central detection room in a centralized manner for unified processing, the comprehensive operation condition of a pipeline is detected in time, and accidents or faults are eliminated rapidly.
The working principle and the using process of the utility model are as follows: in the process that crude petroleum flows from a crude oil storage tank 101 to a gas-liquid separator 103, the crude petroleum flows through a spiral single-rotor flowmeter 102 for flow measurement, then the gas-liquid separator 103 is used for gas-liquid separation of the crude petroleum, the output of the crude petroleum is calculated through a dual-frequency output integrating instrument 104, meanwhile, separated liquid is weighed and subjected to water content analysis, the crude petroleum output is calculated, then the separated crude petroleum and liquid are stored through a gas-oil storage tank 105 and a liquid storage tank 106 respectively, a heating and heat-insulating device 3 is used for insulating the whole crude petroleum collection and transportation line, the error of output calculation caused by the influence of the external temperature of the crude petroleum is prevented, finally, the oil-gas output and the original liquid output are integrated, and the original total output is calculated jointly.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and implementations of the embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the principles of the embodiments of the present invention, and meanwhile, for a person of ordinary skill in the art, according to the embodiments of the present invention, there may be changes in the specific implementations and the application ranges, and in summary, the contents of the present description should not be understood as limiting the present invention.
Claims (3)
1. The utility model provides a crude oil collection defeated line intelligence measurement monitoring integration system, includes metering device (1) and monitoring devices (2), its characterized in that: the metering device (1) comprises a crude oil storage tank (101), a spiral single-rotor flow meter (102), a gas-liquid separator (103), a double-frequency type yield integrating instrument (104), an oil-gas storage tank (105) and a liquid storage tank (106), wherein a liquid inlet of the spiral single-rotor flow meter (102) is installed at a discharge hole of the crude oil storage tank (101), a liquid inlet of the gas-liquid separator (103) is installed at a liquid outlet of the spiral single-rotor flow meter (102), the double-frequency type yield integrating instrument (104) is communicated with the gas-liquid separator (103) through a pipeline, the oil-gas storage tank (105) is communicated with the double-frequency type yield integrating instrument (104) through a pipeline, and the liquid storage tank (106) is communicated with the double-frequency type yield integrating instrument (104) through a pipeline.
2. The intelligent metering and monitoring integrated system for the crude oil transmission line according to claim 1, characterized in that: and a heating and heat-insulating device (3) is arranged on the outer side of the metering device (1).
3. The intelligent metering and monitoring integrated system for the crude oil transmission line according to claim 1, characterized in that: the dual-frequency yield integrating instrument (104) is of a modular pry block structure.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113586955A (en) * | 2021-07-22 | 2021-11-02 | 兰州科翔自控技术有限公司 | Intelligent metering and monitoring integrated system for crude oil gathering and conveying line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586955A (en) * | 2021-07-22 | 2021-11-02 | 兰州科翔自控技术有限公司 | Intelligent metering and monitoring integrated system for crude oil gathering and conveying line |
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