Deep well drilling bit device and using method thereof

Abstract

The invention provides a deep well drilling drill bit device and a using method thereof. The deep well drilling drill bit device comprises a drill bit body, a plurality of drill teeth are arranged outside the drill bit body, a plurality of measuring teeth are further arranged outside the drill bit body, force measuring sensors are arranged at the bottoms of the measuring teeth, and buffer springs are arranged between the force measuring sensors and the measuring teeth. The drill teeth can be cooled, and self loss of the drill teeth and sensor damage caused by high temperature are avoided. When the drill bit body is in contact with rocks with different properties, different pressures are transmitted to the force measuring sensor through the buffer spring, and the sensor converts pressure data into signals and transmits the signals to the ground in real time, so that real-time monitoring and adjustment are facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of drilling equipment, and in particular to a deep well drilling drill bit device and a use method thereof. Background Art

[0002] Deep well drilling requires a deep well drilling bit device. During deep well drilling, the downhole environment is complicated, the properties of the rock wall being cut change significantly, and it is impossible to monitor the dynamic load of the drill teeth during the cutting process in real time. Therefore, it is necessary to develop a drill bit that can monitor the dynamic load identification during the drilling process in real time. Summary of the invention

[0003] The object of the present invention is to provide a deep well drilling drill bit device and a method of using the same, aiming to improve the drilling efficiency and durability of the drill bit, while achieving real-time data monitoring and optimization of the drilling process through an integrated force sensor system.

[0004] According to one purpose of the present invention, the present invention provides a deep well drilling drill bit device, including a drill bit body, a plurality of drilling teeth are provided on the outside of the drill bit body, a plurality of measuring teeth are also provided on the outside of the drill bit body, a force sensor is provided at the bottom of the measuring teeth, and a buffer spring is provided between the force sensor and the measuring teeth.

[0005] Furthermore, the drill bit body comprises a drilling portion and a bearing portion, and the drilling portion and the bearing portion are connected via threads.

[0006] Furthermore, a plurality of tooth grooves are evenly distributed on the surface of the drilling portion, and the drilling teeth are connected in the tooth grooves.

[0007] Furthermore, the drill tooth includes a columnar tooth body and a tooth head fixed on the top of the columnar tooth body, the outer side of the columnar tooth body is provided with a thread, the inner surface of the tooth groove is provided with an internal thread, and the columnar tooth body and the tooth groove are connected by a thread.

[0008] Furthermore, a plurality of positioning grooves are provided on the surface of the drilling portion, the measuring teeth are plugged into the positioning grooves, and the force sensor is provided between the bottom of the measuring teeth and the positioning grooves.

[0009] Furthermore, a temperature sensor, a vibration sensor and a torque sensor are also provided on the top of the drilling part, and the force sensor, the temperature sensor, the vibration sensor and the torque sensor are all provided with a signal generating module.

[0010] Furthermore, the force sensor, the temperature sensor, the vibration sensor and the torque sensor are evenly arranged along the circumferential direction on the top side wall of the drilling part.

[0011] Furthermore, a coolant pipe is provided inside the drilling part, and the coolant pipe extends to and passes through the top end of the drilling part. A plurality of branch pipes are also provided on the side wall of the coolant pipe, and the branch pipes extend to and pass through the side wall of the drilling part.

[0012] Furthermore, a center drill tooth is provided at the topmost center position of the drilling portion, the interior of the center drill tooth is a hollow structure, and the center drill tooth is connected to the coolant pipe.

[0013] According to another object of the present invention, the present invention provides a method for using the above-mentioned deep well drilling drill bit device, comprising the following steps:

[0014] S1. In the drilling work in the deep well, the drill bit body is driven by the drill rod to perform the drilling work;

[0015] S2. During the drilling process of the drill bit body, a coolant is provided to the drill bit body through the drill rod, and the coolant is sprayed from the top of the drill bit body through the coolant pipe and the branch pipe to flush and cool the drill bit body;

[0016] S3, the drill bit body contacts rocks of different properties under different cutting conditions and is subjected to different pressures, and the pressure is transmitted to the force sensor through the buffer spring;

[0017] S4. The force sensor measures the pressure of the buffer spring and transmits the pressure to the ground control center in a wireless information transmission manner.

[0018] The technical solution of the present invention can cool the drill teeth to avoid wear of the drill teeth themselves and damage to the sensor due to high temperature. When the drill body contacts rocks of different properties, different pressures are transmitted to the force sensor through the buffer spring. The sensor converts these pressure data into signals and transmits them to the ground in real time for real-time monitoring and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0021] Figure 2 It is a structural schematic diagram of a drilling part according to an embodiment of the present invention;

[0022] Figure 3It is a structural schematic diagram of a bearing part according to an embodiment of the present invention;

[0023] Figure 4 It is a schematic structural diagram of a drill tooth according to an embodiment of the present invention.

[0024] In the figure: 1. drilling part; 2. bearing part; 3. drill tooth; 4. tooth groove; 5. columnar tooth body; 6. tooth head; 7. blade; 8. pressure measuring positioning groove; 9. measuring tooth; 10. force sensor; 11. buffer spring; 12. coolant pipe; 13. branch pipe; 14. tooth groove; 15. center drill tooth. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example 1

[0029] like Figure 1-Figure 4 As shown,

[0030] A deep well drilling drill bit device comprises a drill bit body, wherein the drill bit body comprises a drilling part 1 and a bearing part 2, and the drilling part 1 and the bearing part 2 are connected via threads.

[0031] Specifically, a plurality of tooth grooves 4 are evenly distributed on the surface of the drilling part 1, and drill teeth 3 are connected in the tooth grooves 4. The drill teeth 3 and the tooth grooves 4 are fixed by threaded connection. This structure also enhances the contact efficiency between the drill bit and the rock.

[0032] In this embodiment, the drill tooth 3 includes a columnar tooth body 5 and a tooth head 6 fixed on the top of the columnar tooth body 5, a thread is provided on the outer side of the columnar tooth body 5, an internal thread is provided on the inner surface of the tooth groove 4, and the columnar tooth body 5 and the tooth groove 4 are connected by a thread. A spiral blade 7 is provided on the outer side of the tooth head 6, which can better cut the rock and is more conducive to drilling.

[0033] By adopting the drill teeth 3 of this structure, the service life of the drill bit can be prolonged, and the assembly of the drill teeth 3 is more convenient and the replacement is more flexible, thereby improving production efficiency.

[0034] In this embodiment, the drill teeth 3 are made of superhard materials such as diamond composite or tungsten carbide to improve the wear resistance and service life of the drill bit.

[0035] A plurality of pressure measuring positioning grooves 8 are also provided on the surface of the drilling part 1, and a plurality of measuring teeth 9 are plugged into and connected to the pressure measuring positioning grooves 8. A force sensor 10 is provided between the bottom of the measuring teeth 9 and the pressure measuring positioning grooves 8. The force sensor 10 is fixed at the bottom of the pressure measuring positioning grooves 8, and a buffer spring 11 is provided between the force sensor 10 and the measuring teeth 9.

[0036] In this embodiment, the force sensor 10 is a force sensor 10 with its own power supply. The force sensor 10 is connected to a signal transmitting module. The signal transmitting module is connected to the force sensor 10 through a wire for data transmission. The signal generating module transmits the dynamic load information borne by the measuring tooth 9 to the ground control system through wireless signal transmission technology.

[0037] In this embodiment, a variety of different types of sensors can be arranged along the circumferential direction on the top side wall of the drilling part 1, including not only a force sensor 10, but also a temperature sensor, a vibration sensor and a torque sensor. The various sensors are all provided with a signal generating module, and the signal is transmitted to the ground control system through the signal generating module to monitor the working status and environmental conditions of the drill bit in real time.

[0038] In this embodiment, a connecting hole is provided at the tail end of the drilling part 1, and an internal thread is provided on the inner wall of the connecting hole. A connecting head is provided at the head end of the bearing part 2, and an external thread is provided on the outside of the connecting head. The connecting head can be screwed into the connecting hole to realize a threaded connection between the drilling part 1 and the bearing part 2.

[0039] A coolant pipe 12 is provided inside the drilling part 1, and the coolant pipe 12 extends and passes through the top of the drilling part 1. A plurality of branch pipes 13 are provided on the side wall of the coolant pipe 12, and the branch pipes 13 extend and pass through the side wall of the drilling part 1. The position where the branch pipe 13 passes through the drilling part 1 is located between the plurality of tooth grooves 4, and coolant or water can be sprayed from the coolant pipe 12 or the branch pipe 13 to cool the drill teeth 3.

[0040] Specifically, in this embodiment, a nozzle is provided at the position where the branch pipe 13 passes through the surface of the drilling part 1. The nozzle is located on the inner side of the surface of the drilling part 1, which can increase the spray intensity of the coolant. The nozzle is located on the inner side of the drilling part 1 to prevent wear on the nozzle.

[0041] The rear end of the bearing part 2 is provided with a threaded connection part, and the outer side of the threaded connection part is provided with an external thread, and the bearing part 2 is connected to the drill rod through the threaded connection part. In the middle of the drill rod is a hollow drill rod 14, which can be supplied with coolant or cooling water. A hollow cavity is also provided inside the bearing part 2, and the hollow cavity of the bearing part 2 is connected to the coolant pipe 12 of the drilling part 1.

[0042] In this embodiment, a center drill tooth 15 is provided at the top center position of the drilling part 1. The interior of the center drill tooth 15 is a hollow structure. The center drill tooth 15 is connected to the coolant pipe 12, so that the center drill tooth 15 can spray coolant or cooling water for cooling while cutting and drilling.

[0043] In this embodiment, a data visualization platform can be set up in the ground control system to display drilling data, sensor readings and machine status in real time, which is convenient for operators to conduct remote monitoring and decision-making. The remote control function allows operators to adjust drilling strategies in a safe environment, especially when working in extreme or dangerous environments.

[0044] When the present invention is used:

[0045] 1) In the drilling work in deep wells, the drill bit body is driven by the drill pipe to perform drilling work;

[0046] 2) During the drilling process of the drill bit body, coolant is provided to the drill bit body through the drill rod, and the coolant is sprayed from the top of the drill bit body through the coolant pipe 12 and the branch pipe 13 to flush and cool the drill bit body;

[0047] 3) Under different cutting conditions, the drill bit body contacts rocks of different properties and is subjected to different pressures, and the pressure is transmitted to the force sensor 10 through the buffer spring 11;

[0048] 4) The force sensor 10 measures the pressure of the buffer spring 11 and transmits the pressure to the ground control center in the form of wireless information transmission.

[0049] The present invention arranges a coolant pipe 12 and a branch pipe 13 in the drilling part 1, so as to wash away foreign matter on the drill teeth 3 during drilling and improve drilling efficiency; and can cool the drill teeth 3 to avoid wear of the drill teeth 3 themselves and damage to the sensor due to high temperature.

[0050] In the present invention, during drilling, the drill rod drives the drill bit body to drill, and at the same time provides coolant for the drill bit body. When the drill bit body contacts rocks of different properties, different pressures are transmitted to the force sensor 10 through the buffer spring 11. The sensor converts these pressure data into signals and transmits them to the ground in real time for real-time monitoring and adjustment. This design not only improves the efficiency and safety of drilling operations, but also optimizes the operation process through a real-time monitoring system, reducing the maintenance cost and failure rate of the equipment. These characteristics make it particularly suitable for the field of deep well drilling.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A deep well drilling drill bit device, characterized in that: The drill bit comprises a drill body, a plurality of drill teeth are arranged outside the drill body, a plurality of measuring teeth are arranged outside the drill body, a force sensor is arranged at the bottom of the measuring teeth, and a buffer spring is arranged between the force sensor and the measuring teeth.

2. The deep well drilling drill bit device according to claim 1, characterized in that: The drill bit body comprises a drilling part and a bearing part, and the drilling part and the bearing part are connected via threads.

3. The deep well drilling drill bit device according to claim 2, characterized in that: A plurality of tooth grooves are evenly distributed on the surface of the drilling portion, and the drilling teeth are connected in the tooth grooves.

4. The deep well drilling drill bit device according to claim 3, characterized in that: The drill tooth includes a columnar tooth body and a tooth head fixed on the top of the columnar tooth body. The outer side of the columnar tooth body is provided with a thread, and the inner surface of the tooth groove is provided with an internal thread. The columnar tooth body and the tooth groove are connected by a thread.

5. The deep well drilling drill bit device according to claim 2, characterized in that: A plurality of positioning grooves are arranged on the surface of the drilling part, the measuring teeth are plugged into the positioning grooves, and the force sensor is arranged between the bottom of the measuring teeth and the positioning grooves.

6. The deep well drilling drill bit device according to claim 2, characterized in that: A temperature sensor, a vibration sensor and a torque sensor are also provided on the top of the drilling part, and the force sensor, the temperature sensor, the vibration sensor and the torque sensor are all provided with a signal generating module.

7. The deep well drilling drill bit device according to claim 6, characterized in that: The force sensor, the temperature sensor, the vibration sensor and the torque sensor are evenly arranged on the top side wall of the drilling part along the circumferential direction.

8. The deep well drilling drill bit device according to claim 2, characterized in that: A coolant pipe is arranged inside the drilling part, and the coolant pipe extends to and passes through the top end of the drilling part. A plurality of branch pipes are arranged on the side wall of the coolant pipe, and the branch pipes extend to and pass through the side wall of the drilling part.

9. The deep well drilling drill bit device according to claim 8, characterized in that: A center drill tooth is provided at the top center position of the drilling part, the interior of the center drill tooth is a hollow structure, and the center drill tooth is connected to the coolant pipe.

10. The method for using the deep well drilling drill bit device according to claim 8, characterized in that: The steps include: S1. In the drilling work in the deep well, the drill bit body is driven by the drill rod to perform the drilling work; S2. During the drilling process of the drill bit body, a coolant is provided to the drill bit body through the drill rod, and the coolant is sprayed from the top of the drill bit body through the coolant pipe and the branch pipe to flush and cool the drill bit body; S3, the drill bit body contacts rocks of different properties under different cutting conditions and is subjected to different pressures, and the pressure is transmitted to the force sensor through the buffer spring; S4. The force sensor measures the pressure of the buffer spring and transmits the pressure to the ground control center in a wireless information transmission manner.

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