Underground intelligent drilling machine system

Abstract

The utility model discloses an underground intelligent drilling machine system, which comprises a PLC (Programmable Logic Controller) arranged underground, and the PLC is in communication connection with an intelligent drilling machine through an industrial Ethernet; the PLC is electrically connected with the sensor equipment and the digital twin platform, and the digital twin platform is used for mapping the position, the drilling track and the stratum lithology of the intelligent drilling machine in real time; and the sensor equipment is used for detecting underground gas concentration, water level and drilling track. Before drilling construction, the digital twin platform is used for designing the drilling track, so that the intelligent drilling machine drills according to the preset track, and meanwhile, the measurement-while-drilling device is used for measuring the drilling angle in the drilling process, so that the drilling parameters of the intelligent drilling machine are dynamically adjusted, the drilling inclination phenomenon is avoided, and the drilling efficiency is improved. The drilling track precision is ensured, and the drilling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine drilling equipment, and particularly relates to an underground intelligent drilling rig system. BACKGROUND

[0002] With the growth of global energy demand and the acceleration of resource development, underground drilling engineering is facing challenges such as complex geological conditions, increased operation depth, and improved safety and environmental protection requirements. The traditional underground drilling rig system generally has low automation level, insufficient multi-parameter collaborative control capability, and backward monitoring means.

[0003] In the prior art, such as the drilling rig system in patent CN112412369A, the drilling parameters are adjusted depending on manual experience, which can easily lead to trajectory deviation or low drilling efficiency. When encountering complex conditions such as sudden change of lithology and fracture zone, the operator has difficulty in responding in time, resulting in a mechanical drilling speed decline rate of up to 40%-60%, accompanied by engineering risks such as excessive well deviation and drilling tool jamming. Secondly, the underground emergency response mechanism is weak, and the intelligent linkage of ventilation, drainage and other equipment is lacking, with prominent safety hazards. SUMMARY

[0004] The utility model discloses a kind of underground intelligent drilling rig systems to solve the above technical problems, and the following technical solutions are proposed:

[0005] The utility model embodiment provides a kind of underground intelligent drilling rig system, comprising: PLC controller is arranged in the well, the PLC controller is connected with intelligent drilling rig by industrial ethernet;The PLC controller is electrically connected with sensor device and digital twin platform respectively, and the digital twin platform is used to map the position of intelligent drilling rig, drilling trajectory and formation lithology in real time;The sensor device is used to detect the gas concentration, water level and drilling trajectory in the well.

[0006] In a possible implementation manner, a main pump and a secondary pump are arranged on the intelligent drilling rig, a first end of the main pump is connected with a first end of a proportional valve, a second end of the proportional valve is connected with a propelling execution device, a first end of the secondary pump is connected with a first end of a switch valve, a second end of the switch valve is connected with a mechanical hand execution device, and a control end of the proportional valve and a control end of the switch valve are electrically connected with the PLC controller.

[0007] In a possible implementation manner, a sensor device is arranged on the propelling execution device, and the sensor device is electrically connected with the PLC controller.

[0008] In a possible implementation manner, the sensor device includes a water pressure sensor, a temperature sensor, a drill pipe displacement sensor and a drilling trajectory measuring instrument, and the sensor device is integrated at the front end of the drill bit of the intelligent drilling rig.

[0009] In a possible implementation, the downhole intelligent drilling rig system further comprises a drilling rig remote controller and a pre-warning unit, the drilling rig remote controller is wirelessly connected with the PLC controller, and the pre-warning unit is electrically connected with the PLC controller and the uphole monitoring center respectively.

[0010] In a possible implementation, the uphole monitoring center comprises a mobile terminal, an upper computer and an Internet of Things device, the mobile terminal and the upper computer are in communication connection with the PLC controller through a 5G base station, and the Internet of Things device is in communication connection with the PLC controller through an Internet of Things server and the 5G base station.

[0011] In a possible implementation, the PLC controller is connected with a measurement-while-drilling device, the measurement-while-drilling device is in communication connection with the PLC controller through a 5G base station, and the measurement-while-drilling device is used for measuring the angle of drilling of a drill rod.

[0012] In a possible implementation, the downhole intelligent drilling rig system further comprises an emergency device, the emergency device comprises a ventilation system and a drainage pump, and control ends of the ventilation system and the drainage pump are electrically connected with the PLC controller.

[0013] Compared with the prior art, the downhole intelligent drilling rig system has the following beneficial effects:

[0014] Before drilling construction, the drilling trajectory is designed through the digital twin platform, the intelligent drilling rig drills according to the preset trajectory, the drilling angle is measured by the measurement-while-drilling device during drilling, the drilling parameters of the intelligent drilling rig are dynamically adjusted, the phenomenon of drilling inclination is avoided, the drilling trajectory accuracy is ensured, and the drilling efficiency is improved.

[0015] The water pressure, temperature, displacement and drilling trajectory sensors are integrated at the front end of the drill bit, and the 5G real-time backhaul of the measurement-while-drilling device is combined, so that millisecond-level synchronous collection of mechanical, pose and environmental parameters during drilling is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure schematic diagram of a downhole intelligent drilling rig system provided by the utility model embodiment is shown in the figure;

[0017] Figure 2 A structure schematic diagram of an intelligent drilling rig provided by the utility model embodiment is shown in the figure;

[0018] Figure 3 A schematic diagram of a measurement-while-drilling device provided by the utility model embodiment is shown in the figure.

[0019] Figures 1-3In the figure, the symbols are represented as: 1-mobile terminal, 2-host computer, 3-IoT device, 4-intelligent drilling rig, 5-PLC controller, 6-base station, 7-measuring while drilling device, 8-drilling rig remote controller, 9-gas alarm unit, 10-acoustic and light alarm unit, 11-proportional valve, 12-on-off valve, 13-main pump, 14-vice pump, 15-propulsion execution device, 16-mechanical hand execution device, 17-drill pipe displacement sensor, 18-drilling trajectory measuring instrument, 19-water pressure sensor, 20-temperature sensor, and 21-drill pipe.

[0020] Measuring while drilling device. DETAILED DESCRIPTION

[0021] The present application will be described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Figure 1 A structure diagram of a downhole intelligent drilling rig system provided by the present application is shown in the figure, Figure 1 The downhole intelligent drilling rig system provided by the present application comprises a PLC controller 5 arranged in a well, wherein the PLC controller 5 is in communication connection with an intelligent drilling rig 4 through an industrial Ethernet, the PLC controller 5 is electrically connected with a sensor device and a digital twin platform, wherein the digital twin platform is used for real-time mapping of the position of the intelligent drilling rig, drilling trajectory and formation lithology, and the sensor device is used for detecting the gas concentration, water level and drilling trajectory in the well.

[0023] Referring to Figure 2 In the present embodiment, a main pump 13 and a vice pump 14 are arranged on the intelligent drilling rig 4, a first end of the main pump 13 is connected with a first end of a proportional valve 11, a second end of the proportional valve 11 is connected with a propulsion execution device 15, a first end of the vice pump 14 is connected with a first end of an on-off valve 12, a second end of the on-off valve 12 is connected with a mechanical hand execution device 16, and a control end of the proportional valve 11 and a control end of the on-off valve 12 are electrically connected with the PLC controller 5.

[0024] In the present embodiment, the sensor device is integrated at the front end of the drill bit of the intelligent drilling rig 4, and the sensor device comprises a water pressure sensor 19, a temperature sensor 20, a drill pipe displacement sensor 17 and a drilling trajectory measuring instrument 18. In addition, the sensor device further comprises a gas concentration sensor, and in the present embodiment, the gas concentration sensor is arranged at a position 1 meter away from the opening position of the intelligent drilling rig 4 for drilling, and is used for real-time measurement of the gas concentration in the well.

[0025] Further, in the embodiment of the utility model, the downhole intelligent drilling rig system further includes a drilling rig remote controller 8, a pre-warning unit and emergency equipment, wherein the pre-warning unit includes a gas alarm unit 9 and an audible and visual alarm unit 10, the drilling rig remote controller 8 is wirelessly connected with the PLC controller 5, the emergency equipment includes a ventilation system and a drainage pump, the control ends of the ventilation system and the drainage pump are electrically connected with the PLC controller 5, and the pre-warning unit is electrically connected with the PLC controller 5 and the uphole monitoring center respectively. In the embodiment, the uphole monitoring center includes a mobile terminal 1, a host computer 2 and an Internet of Things device 3, wherein the mobile terminal 1 and the host computer 2 are in communication connection with the PLC controller 5 through a 5G base station 6, and the Internet of Things device 3 is in communication connection with the PLC controller 5 through an Internet of Things server and the 5G base station 6.

[0026] Referring to Figure 3 In the embodiment, the PLC controller 5 is connected with a measurement-while-drilling device 7, and the measurement-while-drilling device 7 is in communication connection with the PLC controller 5 through the 5G base station 6. In the embodiment, the measurement-while-drilling device 7 is used to measure the angle of drilling of the drill rod 21.

[0027] In use, before drilling construction, the drilling trajectory is planned and designed through the digital twin platform and is synchronously transmitted to the PLC controller 5. In the drilling process, the drilling angle of the drill rod 21 is measured by using the measurement-while-drilling device 7, and the working condition data is detected according to the sensor equipment, so that the drilling parameters of the intelligent drilling rig 4 are dynamically adjusted. When it is detected that the gas concentration is out of limit or the drilling is deviated, pre-warning and alarm are triggered, and are transmitted to the uphole monitoring center at the same time.

[0028] It should be noted that, in this document, relational terms such as“first” and“second”, and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms“comprises”,“comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this document, the terms“including” and“comprising” are used interchangeably.

[0029] The above description is merely a specific implementation of the utility model, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection range of the utility model. The protection range of the utility model should be subject to the protection range of the claims.

Claims

1. A downhole intelligent drilling system, characterized by The application relates to an intelligent drilling machine and a drilling method thereof. The intelligent drilling machine is provided with a PLC controller arranged in a well, which is in communication connection with an intelligent drilling machine through an industrial Ethernet; the PLC controller is electrically connected with a sensor device and a digital twin platform respectively, the digital twin platform is used for real-time mapping of the position, drilling trajectory and stratum lithology of the intelligent drilling machine; and the sensor device is used for detecting the gas concentration, water level and drilling trajectory in the well.

2. The downhole smart rig system of claim 1, wherein, The intelligent drilling machine is provided with a main pump and a secondary pump, the first end of the main pump is connected with the first end of a proportional valve, the second end of the proportional valve is connected with a propelling execution device, the first end of the secondary pump is connected with the first end of an on-off valve, the second end of the on-off valve is connected with a mechanical hand execution device, and the control end of the proportional valve and the control end of the on-off valve are electrically connected with the PLC controller.

3. The downhole smart rig system of claim 2, wherein, The propelling execution device is provided with a sensor device, and the sensor device is electrically connected with the PLC controller.

4. The downhole smart rig system of claim 3, wherein, The sensor device comprises a water pressure sensor, a temperature sensor, a drill pipe displacement sensor and a drilling trajectory measuring instrument, and is integrated in the front end of a drill bit of the intelligent drilling machine.

5. The downhole smart rig system of claim 1, wherein, The application further comprises a drilling machine remote controller and a pre-warning unit, the drilling machine remote controller is wirelessly connected with the PLC controller, and the pre-warning unit is electrically connected with the PLC controller and an uphole monitoring center respectively.

6. The downhole smart rig system of claim 5, wherein, The uphole monitoring center comprises a mobile terminal, an upper computer and an Internet of Things device, the mobile terminal and the upper computer are in communication connection with the PLC controller through a 5G base station, and the Internet of Things device is in communication connection with the PLC controller through an Internet of Things server and the 5G base station.

7. The downhole smart rig system of claim 1, wherein, The PLC controller is connected with a measurement-while-drilling device, the measurement-while-drilling device is in communication connection with the PLC controller through a 5G base station, and the measurement-while-drilling device is used for measuring the angle of drill pipe drilling.

8. The downhole smart rig system of claim 1, wherein, The application further comprises an emergency device, the emergency device comprises a ventilation system and a drainage pump, and the control ends of the ventilation system and the drainage pump are electrically connected with the PLC controller.

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