CN114385585A - Oil and gas pipe network simulation system and method - Google Patents
Oil and gas pipe network simulation system and method Download PDFInfo
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Abstract
The invention relates to the field of oil and gas network management simulation, in particular to an oil and gas network management simulation system and method. The system comprises: the device comprises a data module, a function module and a result module, wherein the data module is used for acquiring first current running state data of each preset element of an oil-gas pipe network, the function module is used for combining the first current running state data of each preset element into a geometric model corresponding to the oil-gas pipe network and carrying out simulation calculation to obtain second current running state data of the oil-gas pipe network, and the result module is used for storing the second current running state data. The invention can realize the layered design and the modular design of the oil-gas pipe network online simulation system, and the independent development and operation of each layer and each module, thereby improving the development speed, the operation stability and the robustness of the oil-gas pipe network online simulation system.
Description
Technical Field
The invention relates to the field of oil and gas network management simulation, in particular to an oil and gas network management simulation system and method.
Background
The pipe network simulation technology is one of the most effective means for solving the problem of pipe network operation scheduling, most of researches focus on the application of pipe network simulation software, the improvement of the calculation speed of the pipe network simulation software and the improvement of the calculation precision of the pipe network simulation software, and an architecture method of an oil and gas pipe network online simulation system is lacked. The development of scientific technology brings huge changes to the oil and gas pipe network online simulation technology, the oil and gas pipe network online simulation technology in the prior art does not simulate and record the current state of an oil and gas pipe network in real time, predicts and previews the future operation state of a pipe network system, and makes an optimized operation scheme.
Disclosure of Invention
The invention aims to solve the technical problem of providing an oil-gas network management simulation system and method.
The technical scheme for solving the technical problems is as follows: an oil and gas pipe network simulation system, comprising: the device comprises a data module, a function module and a result module, wherein the data module is used for acquiring first current running state data of each preset element of an oil-gas pipe network, the function module is used for combining the first current running state data of each preset element into a geometric model corresponding to the oil-gas pipe network and carrying out simulation calculation to obtain second current running state data of the oil-gas pipe network, and the result module is used for storing the second current running state data.
The invention has the beneficial effects that: the system can be higher in integration degree through the method, the applicability of the system is further improved, in addition, the method can be convenient for calling data in the subsequent simulation process by storing all data of the oil-gas pipe network simulation system, and in addition, as all data are stored in the method, the method can be more comprehensively calculated in the simulation process, and therefore the applicability of the method is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the preset elements are: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
Further, the performing simulation calculation includes: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
Further, the second current operation state result specifically includes at least one of a prediction result of the gas consumption in a preset time period, a simulation analysis result of the operation scheme, an online simulation result of the fluid flow, an optimized operation scheme, and an operation state preview result.
Further, still include:
and the display module is used for displaying the second current running state in a preset display mode.
Further, the preset display mode comprises: profile, trend, and dynamic data tables.
Another technical solution of the present invention for solving the above technical problems is as follows: an oil and gas pipe network simulation method comprises the following steps:
step 1, acquiring first current operation state data of each preset element of an oil-gas pipe network;
step 2, combining the first current operation state data of each preset element into a geometric model corresponding to the oil-gas pipe network, and performing simulation calculation to obtain second current operation state data of the oil-gas pipe network;
and 3, storing the second current running state data.
The invention has the beneficial effects that: the system can be higher in integration degree through the method, the applicability of the system is further improved, in addition, the method can be convenient for calling data in the subsequent simulation process by storing all data of the oil-gas pipe network simulation system, and in addition, as all data are stored in the method, the method can be more comprehensively calculated in the simulation process, and therefore the applicability of the method is improved.
Further, the preset elements are: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
Further, the performing simulation calculation includes: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
Further, the second current operation state result specifically includes at least one of a prediction result of the gas consumption in a preset time period, a simulation analysis result of the operation scheme, an online simulation result of the fluid flow, an optimized operation scheme, and an operation state preview result.
Further, step 3 further comprises:
and displaying the second current operation state result in a preset display mode.
Further, the preset display mode comprises: profile, trend, and dynamic data tables.
Drawings
FIG. 1 is a system framework diagram provided in an embodiment of an oil and gas pipe network simulation system of the present invention;
fig. 2 is a schematic flow chart provided by an embodiment of the oil and gas pipe network simulation method of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, an oil and gas pipe network simulation system 100 includes: the system comprises a data module 110, a function module 120 and a result module 130, wherein the data module 110 is used for acquiring first current operation state data of each preset element of an oil-gas pipe network; the function module 120 is configured to combine the first current operation state data of each preset element into a geometric model corresponding to the oil and gas pipe network, perform simulation calculation to obtain second current operation state data of the oil and gas pipe network, and the result module 130 is configured to store the second current operation state data.
In some possible embodiments, the integration level of the system can be higher through the method, so that the applicability of the system is improved, in addition, the method can be convenient for calling data in the subsequent simulation process by storing all data of the oil and gas pipe network simulation system 100, in addition, as all data are stored in the method, the calculation can be more comprehensive in the simulation process, and the applicability of the method is improved.
It should be noted that ansys or fluent may be adopted for the simulation process, and the data module 110 is configured to store all data required by the online simulation system of the oil and gas pipe network, including a pipe system configuration database, a model database, a real-time database, a history database, and an operation scheme database; the function module 120 is realized by combining an oil-gas pipe network simulation calculation engine, a load prediction engine and a pipe network operation optimization engine, and realizes an online simulation function, a scheme preview function, a scheme optimization function, an operation optimization function, a load prediction function and a prediction preview function; and the result module 130 is configured to store calculation results of each function, including an online simulation result, an operation scheme result, a load prediction result, and a state preview result.
The data module 110 includes:
establishing a system configuration database according to the configuration parameters of the online simulation system;
establishing an oil and gas pipe network system model database by acquiring, analyzing and arranging model parameters of elements of the oil and gas pipe network system;
real-time running data of an oil and gas pipe network system is read in real time through an on-site SCADA system or a real-time database, and a real-time database required by the oil and gas pipe network simulation system 100 is established;
transferring the real-time data to a historical database, and establishing the historical database required by the oil-gas pipe network simulation system 100;
and establishing an operation scheme database of the oil-gas pipe network simulation system 100 by combining the daily operation scheme and the emergency gas supply scheme of the oil-gas pipe network.
The function module 120 includes:
the oil-gas pipe network simulation calculation engine reads data of a model database, a historical database, a snapshot database and a real-time database, realizes an online simulation function, and analyzes flow, pressure, temperature, running state of each compressor and the like at any point in a pipe network system in real time;
the simulation calculation engine of the oil-gas pipe network reads the model database, the historical database, the snapshot database and the operation scheme database, simulates the operation state of the pipe network under the scheme by taking the snapshot data as an initial condition and the operation scheme data as a boundary condition, analyzes the operation result of the pipe network system under the operation condition of the scheme and realizes the analysis function of the scheme;
the oil-gas pipe network simulation calculation engine reads data from the model database, the historical database, the snapshot database and the operation scheme database, simulates the operation state of the pipe network under different schemes by taking the snapshot data as an initial condition and the operation scheme data as a boundary condition, and compares the operation results of the pipe network under different schemes to realize the optimization function of the operation scheme of the pipe network;
the oil and gas pipe network simulation calculation engine reads data from the model database, the historical database, the snapshot database and the prediction database, dynamically simulates the operation results of the pipe network under different schemes in different future time periods by taking the snapshot data as boundary conditions and the prediction data and the scheme data as boundary conditions, and compares the advantages and the disadvantages of the different schemes to realize the operation optimization function of the future pipe network;
the load prediction engine reads historical data from a historical database, and predicts the gas (oil) consumption of each user of the oil-gas pipeline network system in a certain period of time in the future to realize a load prediction function;
the oil and gas pipe network simulation calculation engine reads data of the model database, the historical database, the snapshot database and the load prediction database, and performs dynamic simulation on the pipe network by taking the snapshot data as an initial condition and taking the load prediction data and the current running state of the equipment as a boundary condition to obtain the running condition of the pipe network system in the future period of time, so as to realize the preview function of the running state of the pipe network.
The results module 130 includes:
the prediction database is established by predicting the gas (oil) consumption of the oil and gas pipe network system for a certain period of time in the future based on the load prediction engine node and the historical gas (oil) consumption rules of all users of the oil and gas pipe network system;
the snapshot database is established according to the oil-gas pipe network simulation calculation engine and combined with the on-line simulation result calculated by the real-time database
The scheme operation result database is established by reading the model database, the historical database, the snapshot database and the operation scheme database according to the oil-gas pipe network simulation calculation engine to realize the scheme result;
the scheme optimization result database is established by reading the model database, the scheme database, the historical database and the snapshot database according to the operation optimization engine of the oil-gas pipe network to realize the scheme optimization result.
In addition, it should be noted that the system configuration data includes a pipeline step size, a time step size, a model solution method, an iteration precision, a maximum iteration number, and the like;
the model database is obtained by collecting, analyzing and organizing model parameters of oil and gas pipe network system elements, wherein the pipe network elements comprise pipelines, valves, compressors, compressor stations, heat exchangers, gas sources, users, gas storage reservoirs, pumps, pump stations and fluids;
the real-time database comprises pipe network operation parameters such as pressure and temperature of the oil and gas pipe network system operation, and real-time operation parameters of equipment such as valve opening, valve pressure drop, compressor rotating speed, compressor differential pressure, heat exchanger temperature difference, heat exchanger differential pressure, user flow, air source flow and the like;
the real-time database is obtained according to an SCADA system of the oil-gas pipe network system or is established from other real-time databases;
the real-time database only stores real-time data for online simulation; the historical database is established according to the historical record of the real-time data;
the operation scheme database is established according to the scheme encountered during daily operation of the oil and gas pipe network and a possible emergency operation scheme.
In addition, the function module 120 is configured to combine the oil and gas pipe network simulation calculation engine, the load prediction engine, and the pipe network operation optimization engine to implement an online simulation function, a scheme preview function, a scheme optimization function, and an operation optimization function, and the load prediction function and the prediction preview function store all data required by the oil and gas pipe network online simulation system, and include: the oil and gas pipe network simulation calculation engine is a new technology developed in recent years for oil and gas pipe network system simulation, and is a digital twin system of an oil and gas pipe network system developed according to the physical principle of operation of the oil and gas pipe network system and by combining a mathematical method and a computer technology. The operation optimization engine is a set of oil and gas pipe network system operation optimization technology which is combined with a pipe network simulation calculation engine, takes the operation cost of a pipe network system as an optimization target and the operation parameter limits of all equipment of the pipe network system as constraint conditions. The load prediction engine is a technology which trains and tests a load prediction model of each user according to historical data of gas (oil) used by each user of an oil-gas pipe network system and predicts the gas (oil) used in a certain period of time in the future according to current operation data based on artificial intelligence and big data analysis technology. A certain period of time in the future is 1 hour, 2 hours, 4 hours, 6 hours, 1 day, 1 week, etc. in the future.
Preferably, in any of the above embodiments, the preset element is: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
It should be noted that the specific value of a certain datum at all points along the pipeline is understood as: the specific value of a certain data of all the acquisition point positions along the pipeline.
Preferably, in any of the above embodiments, the performing simulation calculation includes: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
Preferably, in any of the above embodiments, the second current operation state result specifically includes at least one of a prediction result of the gas consumption in a preset time period, a simulation analysis result of the operation scheme, an online simulation result of the fluid flow, an optimized operation scheme, and an operation state preview result.
Preferably, in any of the above embodiments, further comprising:
and the display module is used for displaying the second current operation state result in a preset display mode.
The display module is used for displaying a scheme result, analyzing a historical operation state, analyzing an online simulation result, playing back an oil and gas pipe network system, previewing the operation of the oil and gas pipe network system and the like, and can realize human-computer interaction. The display modes comprise a distribution diagram, a historical distribution diagram, a trend diagram, a historical trend diagram, a dynamic data table and the like.
Embodiment 1, the present invention includes a data module 110, a function module 120, a result module 130, and a presentation module.
The data module 110 is used for storing all data required by the oil and gas pipe network online simulation system, including a pipe system configuration database, a model database, a real-time database, a historical database and an operation scheme database;
the function module 120 is realized by combining an oil-gas pipe network simulation calculation engine, a load prediction engine and a pipe network operation optimization engine, and realizes an online simulation function, a scheme preview function, a scheme optimization function, an operation optimization function, a load prediction function and a prediction preview function;
the oil and gas pipe network simulation calculation engine is a new technology developed in recent years for oil and gas pipe network system simulation, and is a digital twin system of an oil and gas pipe network system developed according to the physical principle of operation of the oil and gas pipe network system and by combining a mathematical method and a computer technology.
The operation optimization engine is a set of oil and gas pipe network system operation optimization technology which is combined with a pipe network simulation calculation engine, takes the operation cost of a pipe network system as an optimization target and the operation parameter limits of all equipment of the pipe network system as constraint conditions.
The load prediction engine is a technology which trains and tests a load prediction model of each user according to historical data of gas (oil) used by each user of an oil-gas pipe network system and predicts the gas (oil) used in a certain period of time in the future according to current operation data based on artificial intelligence and big data analysis technology.
And the result module 130 is configured to store calculation results of each function, including an online simulation result, an operation scheme result, a load prediction result, and a state preview result.
And the display module is used for displaying a scheme result, analyzing a historical running state, analyzing an online simulation result, playing back the running of the oil and gas pipe network system, previewing the running of the oil and gas pipe network system and the like, and can realize human-computer interaction. The display modes comprise a distribution diagram, a historical distribution diagram, a trend diagram, a historical trend diagram, a dynamic data table and the like.
The invention has the following advantages:
according to the invention, by means of a four-module structure, the relation among data, functions, results and display is weakened, the layered design and the modular design of the oil-gas pipe network online simulation system are realized, each layer and each module are independently developed and operated, and the development speed, the operation stability and the robustness of the oil-gas pipe network online simulation system are improved. The specific operation scheme of the scheme is shown in example 2.
Embodiment 2, the first step, store the data to the corresponding database according to the data type, set up the data module 110;
second, the function module 120 reads data from the data module 110, implements corresponding functions, and stores results in the result module 130;
third, the display module reads data from the results module 130 and displays the data as required.
The online simulation system of the oil and gas pipeline network system is developed through a four-module structure of a data module 110, a function module 120, a result module 130 and a display module.
The specific operation mainly comprises the following forms:
a user can analyze the current running state of the pipe network system in real time according to the distribution diagram of the online simulation system;
the user can play back the past running state of the oil and gas pipe network system according to the history distribution map of the online simulation system, so as to realize the playback analysis of the special working condition;
the user can check the actual running state and the simulation state of the key station yard and the equipment of the pipe network system in the pipe network map, and analyze the running condition of the equipment by comparing the two states;
the user can compare the trend chart of the actual pipe network operation parameters and the simulation operation parameters in the comparison diagnosis interface to realize the operation analysis of the pipe network system;
the user can select different pipe network snapshots and schemes in the scheme preview interface, preview the operation result of the scheme and select whether to store the result;
the user can select different prediction methods and set different method parameters aiming at different users in the load prediction interface to predict the gas (oil) consumption in a certain period of time in the future;
the user can select a preview time period in the preview interface, and the system previews the running state of the pipe network in a certain future time period according to the load prediction result and the current running snapshot.
As shown in fig. 2, an oil and gas pipe network simulation method includes:
step 1, acquiring first current operation state data of each preset element of an oil-gas pipe network;
step 2, combining the first current operation state data of each preset element into a geometric model corresponding to the oil-gas pipe network, and performing simulation calculation to obtain second current operation state data of the oil-gas pipe network;
and 3, storing the second current running state data.
In some possible embodiments, the integration level of the system can be higher through the method, so that the applicability of the system is improved, in addition, the method can be convenient for calling data in the subsequent simulation process by storing all data of the oil-gas pipe network simulation system, in addition, as all data are stored in the method, the calculation can be more comprehensive in the simulation process, and the applicability of the method is improved.
Preferably, in any of the above embodiments, the preset element is: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
Preferably, in any of the above embodiments, the performing simulation calculation includes: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
Preferably, in any of the above embodiments, the second current operation state result specifically includes at least one of a prediction result of the gas consumption in a preset time period, a simulation analysis result of the operation scheme, an online simulation result of the fluid flow, an optimized operation scheme, and an operation state preview result.
Preferably, in any of the above embodiments, step 3 further comprises:
and displaying the second current operation state result in a preset display mode.
Preferably, in any of the above embodiments, the preset display manner includes: profile, trend, and dynamic data tables.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.
The above method, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An oil and gas pipe network simulation system, characterized by, includes: the device comprises a data module, a function module and a result module, wherein the data module is used for acquiring first current running state data of each preset element of an oil-gas pipe network, the function module is used for combining the first current running state data of each preset element into a geometric model corresponding to the oil-gas pipe network and carrying out simulation calculation to obtain second current running state data of the oil-gas pipe network, and the result module is used for storing the second current running state data.
2. The oil and gas pipe network simulation system of claim 1,
the preset elements are: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
3. The oil and gas pipe network simulation system of claim 2, wherein said performing simulation calculations comprises: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
4. The oil and gas pipe network simulation system of claim 2, wherein the second current operation state result specifically comprises at least one of a prediction result of gas consumption in a preset time period, a simulation analysis result of an operation scheme, an online simulation result of fluid flow, an optimized operation scheme, and an operation state preview result.
5. The oil and gas pipe network simulation system of claim 1, further comprising:
and the display module is used for displaying the second current operation state result in a preset display mode.
6. The oil and gas pipe network simulation system of claim 5, wherein the preset display mode comprises: profile, trend, and dynamic data tables.
7. An oil and gas pipe network simulation method is characterized by comprising the following steps:
step 1, acquiring first current operation state data of each preset element of an oil-gas pipe network;
step 2, combining the first current operation state data of each preset element into a geometric model corresponding to the oil-gas pipe network, and performing simulation calculation to obtain second current operation state data of the oil-gas pipe network;
and 3, storing the second current running state data.
8. The oil and gas pipe network simulation method according to claim 7, wherein the preset elements are: the system comprises a pipeline, a valve, a compressor, a heat exchanger, an air source and a user;
the first current operating state data of the pipeline is: pressure, temperature and flow at all points along the pipeline;
the first current operating state data of the valve is: valve opening and valve pressure drop values;
the first current operating state data of the compressor is: compressor speed, compressor power, compressor efficiency, and compressor differential pressure;
the first current operating state data of the heat exchanger is as follows: heat exchanger temperature difference and heat exchanger pressure difference;
the first current operating state data of the gas source is: air source flow, air source pressure, and air source temperature;
the first current operating state data of the user is: user flow, user pressure, and user temperature.
9. The oil and gas pipe network simulation method of claim 8, wherein the performing simulation calculations comprises: carrying out simulation calculation according to preset configuration data, wherein the preset configuration data comprises: the method comprises the steps of pipeline step length, time step length, a model release method, iteration precision and maximum iteration times of the oil-gas pipe network.
10. The oil and gas pipe network simulation method according to claim 8, wherein the second current operation state result specifically comprises at least one of a prediction result of gas consumption in a preset time period, a simulation analysis result of an operation scheme, an online simulation result of fluid flow, an optimized operation scheme, and an operation state preview result.
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