Master control function test system for rotary steerable drilling system

Abstract

This invention belongs to the field of measurement and control while drilling (MWD) technology, specifically relating to a main control function testing system for rotary steerable drilling systems. It aims to address the shortcomings in the testing and debugging of the main control function of rotary steerable drilling systems in existing technologies. The main control function testing system for rotary steerable drilling systems provided in this application is used to test and debug the main control program of a rotary steerable drilling system. The system includes a signal conversion module, a control module, a main control module, a decoding and display module, and several MWD tool simulators. The signal conversion module receives the steerable control commands input by the system and converts them into pulse signals. The control module includes a bypass-type downlink command device simulator, a wellbore-surface circulation system hydraulic simulator, and a downhole tool generator simulator, all interconnected. This system can provide a simulation system for testing the main control unit of a rotary steerable drilling system, testing various functions of the main control unit, and facilitating rapid testing and debugging of the main control program.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of while-drilling measurement and control, and particularly relates to a main control function test system of a rotary steerable drilling system. BACKGROUND

[0002] The rotary steerable drilling system can adjust and track a borehole in real time, and is a great breakthrough in high-angle well, horizontal well and geosteering drilling technology.

[0003] In the development, technical upgrading and system addition of new downhole tools of the rotary steerable drilling system, the program of the main control circuit board and the program of related tools need to be tested and debugged. The main control program is tested under different working conditions and different working parameters to expose various defects and problems, and after the related program is modified, the debugging is repeatedly performed, which is a cyclic process of continuous modification, debugging and re-modification, and the workload is very large. If the actual tools and instruments are directly used for testing and debugging, because the circuit board and line on the tool are extremely complex, and the tool size is very long, it will bring many inconveniences to the testing and debugging, and reduce the efficiency. Moreover, if an accident occurs in the testing and debugging process, the tool and instrument circuit may be damaged, causing great economic loss.

[0004] Compared with the actual rotary steerable drilling system, the entire testing and debugging process is carried out by using the simulation system, and the simulation system is convenient for real-time monitoring of the working parameters and communication of each circuit. This will greatly reduce the testing and debugging difficulty, improve the efficiency, and reduce the economic loss of possible accidental damage to the circuit in the testing and debugging process, and has great significance for the development, technical upgrading and system improvement of the rotary steerable drilling system. SUMMARY

[0005] In order to solve the above problems in the prior art, that is, to solve the problem of insufficient testing and debugging of the main control function of the rotary steerable drilling system in the prior art, the application provides a main control function test system of a rotary steerable drilling system, which is used for testing and debugging the main control program of the rotary steerable drilling system, and the system comprises a signal conversion module, a regulation and control module, a main control module, a decoding and display module and a plurality of while-drilling measurement and control tool simulators.

[0006] The signal conversion module is used for receiving the guidance control instruction input by the system, and converting the guidance control instruction into a pulse signal.

[0007] The control module comprises a bypass shunt type downlink instruction device simulator, a drilling wellbore-ground circulating system hydraulics simulator and a downhole tool generator simulator, each of which is communicatively connected; the bypass shunt type downlink instruction device simulator is configured to convert the pulse signal into a valve opening value; the drilling wellbore-ground circulating system hydraulics simulator is configured to generate a drilling fluid flow value and a pressure value at the position of the generator in the drill string through a transient fluid dynamics model in combination with the valve opening value; the downhole tool generator simulator is configured to calculate a generator rotor speed control signal based on the drilling fluid flow value and the pressure value and send it to the main control module in real time;

[0008] The main control module comprises a rotary steering system main control simulator and a downhole tool uplink signal simulator; the rotary steering system main control simulator is configured to receive the generator rotor speed control signal, control the operation of each drilling measurement and control tool simulator, obtain the measurement voltage signal fed back by each drilling measurement and control tool simulator and send it to the downhole tool uplink signal simulator; the downhole tool uplink signal simulator is configured to convert the measurement voltage signal into a digital signal of a set communication protocol and send it to the decoding display module;

[0009] The decoding display module is configured to receive the digital signal uploaded by the rotary steering system main control simulator and convert it into a specific numerical value, filter the specific numerical value, decode and display the specific numerical value after filtering according to the corresponding communication protocol.

[0010] In some preferred technical solutions, the plurality of drilling measurement and control tool simulators comprises a steering control tool simulator, a drilling inclination measurement simulator and a drilling gamma tool simulator.

[0011] In some preferred technical solutions, the steering control tool simulator is configured to receive the control command of the rotary steering system main control simulator and feed back first data to the rotary steering system main control simulator, the first data comprising a steering mode, a steering force of each hydraulic module, an annulus pressure, a vibration, a bending moment and a drilling pressure.

[0012] In some preferred technical solutions, the drilling inclination measurement simulator is configured to receive the control command of the rotary steering system main control simulator and feed back second data to the rotary steering system main control simulator, the second data comprising a gravity measurement component value, a geomagnetic field component measurement value, a gravity combined value, a geomagnetic field flux combined value, a geomagnetic inclination, a tool inclination angle and a tool magnetic azimuth angle.

[0013] In some preferred technical solutions, the while-drilling gamma tool simulator is configured to receive control commands of the rotary steering system master simulator and feed back third data to the rotary steering system master simulator, the third data including gamma values and working state quantities.

[0014] In some preferred technical solutions, the while-drilling resistivity tool simulator is configured to receive commands of the rotary steering system master simulator and feed back fourth data to the rotary steering system master simulator, the fourth data including shallow phase difference resistivity, shallow attenuation resistivity, deep phase difference resistivity and deep attenuation resistivity.

[0015] In some preferred technical solutions, the system further comprises a monitoring module in communication connection with the master module and the steering control tool simulator respectively, the monitoring module being configured to receive the ordered upload data sequence sent by the steering control tool simulator and further configured to send a working mode changing command to the steering control tool simulator.

[0016] In some preferred technical solutions, the drilling wellbore-ground circulation system hydraulics simulator is configured to generate drilling fluid flow rate values and pressure values at the position of the generator in the drill string based on drilling fluid, wellbore size, ground circulation pipeline, drilling tool size, drill bit, mud pump parameters and the valve opening value through a transient fluid dynamics model.

[0017] In some preferred technical solutions, the downhole tool upload signal simulator is configured to calculate a generator rotor speed control signal based on the real-time drilling fluid flow rate values and pressure values and in combination with rotor and stator models of the generator and send the signal to the rotary steering system master simulator in real time.

[0018] The present application has the following beneficial effects:

[0019] The rotary steering drilling system master function test system of the present application can comprehensively simulate the master function of the rotary steering drilling system, test and debug the master program. Compared with the actual rotary steering drilling system, the simulation system of the present application is convenient for real-time monitoring of working parameters and communication of each circuit during the entire testing and debugging process. This greatly reduces the difficulty of testing and debugging, improves efficiency, and reduces economic losses due to accidental damage to circuits during the testing and debugging process. It is a beneficial aid for the development, technical upgrading and system improvement of the rotary steering drilling system. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1The figure is a schematic diagram of the overall structure of a rotary steering drilling system master control function test system according to an embodiment of the present application;

[0022] Figure 2 The figure is a functional schematic diagram of a while-drilling measurement and control tool simulator according to an embodiment of the present application;

[0023] Figure 3 The figure is a functional schematic diagram of a drilling wellbore-ground circulation system hydraulics simulator according to an embodiment of the present application;

[0024] Figure 4 The figure is a functional schematic diagram of a downhole tool generator simulator according to an embodiment of the present application. DETAILED DESCRIPTION

[0025] In order to make the embodiments, technical solutions and advantages of the present application more obvious, the technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0026] The present application is a rotary steering drilling system master control function test system, which is used for testing and debugging the master control program of a rotary steering drilling system. The system comprises a signal conversion module, a control module, a master control module, a decoding display module and a plurality of while-drilling measurement and control tool simulators.

[0027] The signal conversion module is used for receiving the steering control instructions input by the system and converting the steering control instructions into pulse signals.

[0028] The control module comprises a bypass shunt type downlink instruction device simulator, a drilling wellbore-ground circulation system hydraulics simulator and a downhole tool generator simulator, which are communicatively connected. The bypass shunt type downlink instruction device simulator is configured to convert the pulse signals into valve opening values. The drilling wellbore-ground circulation system hydraulics simulator is configured to generate the drilling fluid flow value and pressure value at the position of the generator in the drill string by means of a transient fluid dynamics model in combination with the valve opening values. The downhole tool generator simulator is configured to calculate the generator rotor speed control signal based on the drilling fluid flow value and the pressure value and send the signal to the master control module in real time.

[0029] The main control module comprises a rotary steering system main control simulator and a downhole tool uplink signal simulator; the rotary steering system main control simulator is configured to receive the generator rotor speed control signal, control operation of each drilling measurement and control tool simulator, obtain measurement voltage signals fed back by each drilling measurement and control tool simulator, and send the measurement voltage signals to the downhole tool uplink signal simulator; the downhole tool uplink signal simulator is configured to convert the measurement voltage signals into digital signals of a set communication protocol and send the digital signals to the decoding display module.

[0030] The decoding display module is configured to receive the digital signals uploaded by the rotary steering system main control simulator and convert the digital signals into specific numerical values, filter the specific numerical values, decode the filtered specific numerical values according to corresponding communication protocols, and display the decoded specific numerical values.

[0031] In order to more clearly describe the rotary steering drilling system main control function test system of the application, a preferred embodiment of the application will be described in detail below with reference to the accompanying drawings.

[0032] As a preferred embodiment of the application, the rotary steering drilling system main control function test system of the application, as shown in Figure 1 , comprises a signal conversion module, a regulation and control module, a main control module, a decoding display module, and a plurality of drilling measurement and control tool simulators.

[0033] The signal conversion module is used to receive a steering control instruction input by the system and convert the steering control instruction into a pulse signal. Specifically, in the preferred embodiment of the application, the signal conversion module is a rotary steering instruction downlink control computer, which is used to send commands, i.e., steering control instructions, such as setting a steering mode, setting a steering force, and setting a pulse voltage signal width, and convert the commands into real-time pulse signals according to a protocol and send the pulse signals to a bypass shunt type downlink instruction device simulator in the regulation and control module.

[0034] Further, the regulation and control module comprises the bypass shunt type downlink instruction device simulator, a drilling wellbore-ground circulation system hydraulics simulator, and a downhole tool generator simulator.

[0035] The bypass shunt type downlink instruction device simulator is in communication connection with the drilling wellbore-ground circulation system hydraulics simulator, the drilling wellbore-ground circulation system hydraulics simulator is in communication connection with the downhole tool generator simulator, and the downhole tool generator simulator is in communication connection with the main control module.

[0036] Specifically, the bypass-type downlink command simulator is configured to convert pulse signals into valve opening values; specifically, it receives pulse signals sent by the rotary guide command downlink control computer in real time, converts them into the real-time opening value of the corresponding valve, and sends the real-time valve opening value to the drilling wellbore-surface circulation system hydraulic simulator.

[0037] The drilling wellbore-surface circulation system hydraulic simulator is configured to generate drilling fluid flow and pressure values ​​at the location of the generator within the drill string by incorporating valve opening values ​​and using a transient fluid dynamics model. Specifically, the drilling wellbore-surface circulation system hydraulic simulator operates sequentially, using a transient fluid dynamics model to calculate the flow and pressure of the drill string, wellbore annulus, and surface circulation system. Furthermore, the drilling wellbore-surface circulation system hydraulic simulator monitors the valve opening and closing degree of the bypass shunt-type downlink command device simulator in real time; changes in valve opening and closing degree alter the flow and pressure values ​​within the entire drill string and wellbore annulus. Finally, the drilling wellbore-surface circulation system hydraulic simulator outputs the drilling fluid flow and pressure values ​​at the location of the generator within the drill string in real time.

[0038] The downhole tool generator simulator is configured to calculate the generator rotor speed control signal based on drilling fluid flow and pressure values, and send it to the main control module in real time. Specifically, the downhole tool generator simulator runs sequentially, receiving drilling fluid flow and pressure values ​​from the drilling wellbore-surface circulation system hydraulic simulator in real time. Based on the generator rotor and stator parameters, as well as the drilling fluid flow and pressure values, it calculates the generator rotor speed in real time, converts the generator rotor speed data into a signal, and sends it to the rotary steering system main control simulator of the main control module in real time.

[0039] Furthermore, the main control module includes a rotary steering system main control simulator and a downhole tool upload signal simulator, with the rotary steering system main control simulator and the downhole tool upload signal simulator being communicatively connected.

[0040] The rotary steering system master control simulator is configured to receive the generator rotor speed control signal, control the operation of each drilling measurement and control tool simulator, obtain the measurement voltage signal fed back by each drilling measurement and control tool simulator, and send it to the downhole tool upload signal simulator.

[0041] The main control program of the rotary steering system master control simulator can be rewritten. The rotary steering system master control simulator acquires the generator rotor speed signal sent by the downhole tool generator simulator in real time; further, it performs real-time digital filtering of the generator rotor speed signal and decodes the downlink command information according to the protocol; further, it processes the downlink command information according to the protocol and sends it to the corresponding drilling measurement and control tool simulator.

[0042] The downhole tool upload signal simulator is configured to convert the measured voltage signal into a digital signal with a set communication protocol and send it to the decoding and display module.

[0043] Specifically, the downhole tool upload signal simulator runs in sequence, receives pulse voltage signals from the rotary steering system main control simulator, measures voltage signal values, converts them into digital signals with a set communication protocol, and sends them to the decoding and display module. Specifically, the set communication protocol includes CAN, RS485, and RS232 protocols, and the digital signals are sent to the decoding and display module.

[0044] The decoding and display module, preferably, is a ground monitoring and decoding computer. The ground monitoring and decoding computer is configured to receive digital signals uploaded by the main control simulator of the rotary guide system and convert them into specific values, filter the specific values, and decode and display the filtered specific values ​​according to the corresponding communication protocol.

[0045] Specifically, the ground monitoring and decoding computer receives data from the downhole tool's signal simulator in real time, converts it into specific values, and displays them in real time. Furthermore, the ground monitoring and decoding computer performs digital filtering on the received real-time values, decodes them according to the corresponding protocol, and displays the data value encoded by the pulse voltage signal sent by the downhole tool's signal simulator.

[0046] In addition, this application includes several drilling measurement and control tool simulators, including a directional control tool simulator, a drilling directional measurement simulator, a drilling gamma tool simulator, and other drilling measurement and control tool simulators.

[0047] The drill-while-drilling control tool simulator, the drilling survey simulator, the drilling gamma tool simulator, and other drilling survey and control tool simulators are connected to the main control simulator of the rotary steering system to achieve bidirectional communication.

[0048] Furthermore, the rotary steering system master control simulator runs according to a time sequence program, receiving data sent by the steering control tool simulator, the drilling survey tool simulator, the drilling resistivity tool simulator, the drilling gamma tool simulator, and other drilling measurement and control tool simulators; the rotary steering system master control simulator sorts and uploads data sequences according to preset data types and orders, and modulates the data into signals according to preset communication encoding methods.

[0049] The guidance control tool simulator runs according to a time sequence program. It is configured to receive control commands from the rotary guidance system master control simulator and feed back first data to the rotary guidance system master control simulator. The first data includes guidance mode, guidance force of each hydraulic module, annular pressure, vibration, bending moment, drilling pressure and other data.

[0050] The drilling survey simulator and the drilling survey tool simulator run according to a time sequence program. It is configured to receive control commands from the rotary steering system master control simulator and feed back second data to the rotary steering system master control simulator. The second data includes gravity measurement component values, geomagnetic field component measurement values, gravity resultant value, geomagnetic flux resultant value, geomagnetic dip angle, tool well inclination angle, tool magnetic azimuth angle, etc.

[0051] The Drilling Resistivity Tool Simulator runs according to a timing program and is configured to receive commands from the Rotary Steering System Master Control Simulator, providing feedback on shallow phase difference resistivity, shallow attenuation resistivity, deep phase difference resistivity, and deep attenuation resistivity at different frequencies.

[0052] The drilling gamma tool simulator and the drilling resistivity tool simulator run according to a timing program. They are configured to receive control commands from the rotary steering system master simulator and feed back third data to the rotary steering system master simulator. The third data includes gamma values ​​and working status quantities.

[0053] The drilling resistivity tool simulator runs according to a timing program and is configured to receive commands from the rotary steering system master simulator and feed back fourth data to the rotary steering system master simulator. The fourth data includes shallow phase difference resistivity, shallow attenuation resistivity, deep phase difference resistivity, and deep attenuation resistivity at different frequencies.

[0054] Other drilling measurement and control tool simulators run in sequence, receive commands from the main control simulator of the rotary steering system, and provide feedback on key working data.

[0055] In some preferred embodiments, the system of this application further includes a monitoring module, which is communicatively connected to both the main control module and the guidance control tool simulator. The monitoring module is configured to receive a sequence of uploaded sorted data sent by the guidance control tool simulator; it is also configured to send commands to the guidance control tool simulator to change its operating mode. Preferably, the monitoring module of this application includes a monitoring computer, which communicates bidirectionally with the guidance control tool simulator. Further, the monitoring computer can passively receive the sequence of uploaded sorted data directly sent by the guidance control tool simulator; the monitoring computer can also directly send commands such as changing the operating mode to the guidance control tool simulator.

[0056] If any errors are found during testing, such as discrepancies between the sent setting commands and the feedback information from the downhole tools, or discrepancies between the commands sent by the rotary steering command to the control computer and the monitoring information from the monitoring computer, the errors can be quickly corrected by rewriting the rotary steering system master control simulator, and then restarting the system to start the test again.

[0057] Specifically, this application provides an embodiment of a rotary steerable drilling system main control function testing system. The system includes a steerable control tool simulator, a drilling measurement-while-drilling (DWHD) simulator, a DWHD gamma tool simulator, other DWHD simulators, a rotary steerable system main control simulator, a downhole tool signal upload simulator, a surface monitoring and computer, a downhole tool generator simulator, a drilling wellbore-surface circulation system hydraulic simulator, a bypass shunt downlink command device simulator, rotary steerable command downlink control software, and a monitoring computer. The types and quantities of DWHD simulators are matched according to specific testing requirements.

[0058] The main control program of the rotary steering system master control simulator can be rewritten. Steering control tool simulators, drilling surveying simulators, drilling gamma tool simulators, and other drilling measurement and control tool simulators all belong to the category of drilling measurement and control tool simulators, such as... Figure 2 As shown, the functions of the drilling measurement and control tool simulator are similar, simulating different downhole tools receiving commands and returning their respective data.

[0059] The drill-while-drilling control tool simulator, the drilling survey simulator, the drilling gamma tool simulator, and other drilling survey and control tool simulators are connected to the main control simulator of the rotary steering system to achieve bidirectional communication.

[0060] The rotary steering system master control simulator is connected to the downhole tool upload signal simulator, and the downhole tool upload signal simulator is connected to the surface monitoring and decoding computer; furthermore, the rotary steering system master control simulator transmits information unidirectionally to the downhole tool upload signal simulator; furthermore, the downhole tool upload signal simulator transmits information unidirectionally to the surface monitoring and decoding computer.

[0061] The rotary steering system master control simulator is connected to the downhole tool generator simulator, which is connected to the drilling wellbore-surface circulation system hydraulic simulator. The drilling wellbore-surface circulation system hydraulic simulator is connected to the bypass shunt downlink command device simulator, which is connected to the rotary steering command downlink control computer. Furthermore, the downhole tool generator simulator communicates unidirectionally with the rotary steering system master control simulator, the drilling wellbore-surface circulation system hydraulic simulator communicates unidirectionally with the downhole tool generator simulator, the bypass shunt downlink command device simulator communicates unidirectionally with the drilling wellbore-surface circulation system hydraulic simulator, and the rotary steering command downlink control computer communicates unidirectionally with the bypass shunt downlink command device simulator.

[0062] like Figure 3As shown, the drilling wellbore-surface circulation system hydraulic simulator operates sequentially, using a transient fluid dynamics model to calculate the flow rate and pressure of the drill string, wellbore annulus, and surface circulation system. Furthermore, the drilling wellbore-surface circulation system hydraulic simulator monitors the valve opening degree of the bypass shunt-type downlink command device simulator in real time. Changes in the valve opening degree will change the flow rate and pressure values ​​within the entire drill string and wellbore annulus. Furthermore, the drilling wellbore-surface circulation system hydraulic simulator outputs the drilling fluid flow rate and pressure values ​​at the location of the generator within the drill string in real time.

[0063] like Figure 4 As shown, the downhole tool generator simulator runs sequentially, receiving drilling fluid flow and pressure values ​​in real time from the drilling wellbore-surface circulation system hydraulic simulator. Based on the generator rotor and stator parameters, as well as the drilling fluid flow and pressure values, it calculates the generator rotor speed in real time and converts the generator rotor speed data into a signal, which is then sent to the rotary steerable system main control simulator in real time. The rotary steerable drilling system main control function testing system of this application is mainly used in the product development process. Through this system, the parameters of the algorithm and program are optimized to improve system stability. Specifically, based on the information obtained by the system of this application, its functions can be modified, hardware replaced, or the program modified. The entire solution within a subsystem or module can also be overhauled and tested.

[0064] The technical solutions described in the above embodiments of this application have at least the following technical effects and advantages:

[0065] The rotary steerable drilling system main control function testing system of this invention can comprehensively simulate the main control function of the rotary steerable drilling system, and test and debug the main control program. Compared with the actual rotary steerable drilling system, using the simulation system of this invention for the entire testing and debugging process allows for real-time monitoring of the operating parameters and communication of each circuit. This will greatly reduce the difficulty of testing and debugging, improve efficiency, and reduce economic losses that may result from accidental damage to circuits during testing and debugging. It is a beneficial aid for the research and development, technological upgrading, and system improvement of rotary steerable drilling systems.

[0066] It should be noted that in the description of this invention, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0067] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0068] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0069] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A main control function testing system for a rotary steerable drilling system, used for testing and debugging the main control program of the rotary steerable drilling system, characterized in that, The system includes a signal conversion module, a control module, a main control module, a decoding and display module, and several drilling measurement and control tool simulators; The signal conversion module is communicatively connected to the bypass split-type downlink command device simulator in the control module, and is used to receive the guidance control command input by the system, convert the guidance control command into a pulse signal, and send it to the bypass split-type downlink command device simulator. The control module includes a bypass-diversion type downlink command device simulator, a drilling wellbore-surface circulation system hydraulic simulator, and a downhole tool generator simulator, all of which are communicatively connected. The bypass-diversion type downlink command device simulator is configured to convert the pulse signal into a valve opening value. The drilling wellbore-surface circulation system hydraulic simulator is configured to combine the valve opening value with a transient fluid dynamics model to generate the drilling fluid flow rate and pressure value at the location of the generator in the drill string. The downhole tool generator simulator is configured to calculate the generator rotor speed control signal based on the drilling fluid flow rate and pressure value and send it to the main control module in real time. The main control module includes a rotary steering system main control simulator and a downhole tool upload signal simulator. The rotary steering system main control simulator is configured to receive the generator rotor speed control signal, control the operation of each drilling measurement and control tool simulator, obtain the measurement voltage signal fed back by each drilling measurement and control tool simulator, and send it to the downhole tool upload signal simulator. The downhole tool upload signal simulator is configured to convert the measurement voltage signal into a digital signal with a set communication protocol and send it to the decoding and display module. The decoding and display module is configured to receive digital signals uploaded by the main control simulator of the rotary guide system, convert them into specific values, filter the specific values, and decode and display the filtered specific values ​​according to the corresponding communication protocol.

2. The main control function testing system for a rotary steerable drilling system according to claim 1, characterized in that, The aforementioned drilling measurement and control tool simulators include a guidance control tool simulator, a drilling directional measurement simulator, a drilling gamma tool simulator, and a drilling resistivity tool simulator.

3. The main control function testing system for a rotary steerable drilling system according to claim 2, characterized in that, The guide control tool simulator is configured to receive control commands from the rotary guide system main control simulator and feed back first data to the rotary guide system main control simulator. The first data includes guide mode, guide force of each hydraulic module, annular pressure, vibration, bending moment and drilling pressure.

4. The main control function testing system for a rotary steerable drilling system according to claim 2, characterized in that, The drilling survey simulator is configured to receive control commands from the rotary steering system master simulator and feed back second data to the rotary steering system master simulator. The second data includes gravity measurement component value, geomagnetic field component measurement value, gravity resultant value, geomagnetic flux resultant value, geomagnetic dip angle, tool well inclination angle, and tool magnetic azimuth angle.

5. The main control function testing system for a rotary steerable drilling system according to claim 2, characterized in that, The drilling gamma tool simulator is configured to receive control commands from the rotary steering system master simulator and feed back third data to the rotary steering system master simulator, the third data including gamma value and working status quantity.

6. The main control function testing system for a rotary steerable drilling system according to claim 2, characterized in that, The drilling resistivity tool simulator is configured to receive commands from the rotary steering system master simulator and feed back fourth data to the rotary steering system master simulator. The fourth data includes shallow phase difference resistivity, shallow attenuation resistivity, deep phase difference resistivity, and deep attenuation resistivity.

7. The main control function testing system for a rotary steerable drilling system according to claim 3, characterized in that, The system also includes a monitoring module, which is communicatively connected to both the main control module and the guidance control tool simulator. The monitoring module is configured to receive a sorted uploaded data sequence sent by the guidance control tool simulator and to send a command to the guidance control tool simulator to change its working mode.

8. The main control function testing system for a rotary steerable drilling system according to claim 1, characterized in that, The wellbore-surface circulation system hydraulic simulator is configured to generate the drilling fluid flow rate and pressure values ​​at the location of the generator inside the drill string based on the drilling fluid, wellbore size, surface circulation pipeline, drill string size, drill bit, mud pump parameters, and valve opening values, through a transient fluid dynamics model.

9. The main control function testing system for a rotary steerable drilling system according to claim 1, characterized in that, The downhole tool upload signal simulator is configured to calculate the generator rotor speed control signal based on the real-time drilling fluid flow rate and pressure value, and in combination with the generator rotor and stator models, and send it to the rotary steering system main control simulator in real time.

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