A drill bit with kinetic data acquisition function and its usage method
By setting sensors and controllers on the drill bit wings, the dynamic data of the drill bit is collected in real time, which solves the problem of inaccurate drill bit parameter adjustment in the prior art, and improves drilling efficiency and drill bit life.
Patent Information
- Application Number
- CN202110579049.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-05-26
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2041-05-26
AI Technical Summary
The prior art cannot record formation information in real time, resulting in inaccurate parameter adjustment of drill bits during drilling, reducing drilling efficiency and increasing drill bit loss.
Design a drill bit with dynamic data acquisition function. By setting sensors and controllers on the blade wings, the drill bit speed, vibration and temperature information is collected in real time, and the sensor is protected through a removable collection chamber and seal ring to ensure the accuracy and reliability of data acquisition.
Real-time monitoring of drill bit operation status is realized, drilling efficiency is improved, failure rate and drill bit loss is reduced, and the service life of drill bit and the accuracy of data acquisition is enhanced.
Smart Images

Figure CN113123724B_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of oil drilling equipment, and particularly relates to a drill bit with a kinetic data acquisition function and a using method thereof. Background Art
[0002] The oil industry is an important part of China's economic development and national defense construction. Therefore, the development of science and technology has a profound impact on the development of the oil industry. In the past decade, the North American shale gas revolution has changed the global oil and gas supply pattern, resulting in a situation of oversupply. Oil prices have entered the medium and low price stage, and the development of the upstream sector is also shifting from resource expansion to cost reduction and efficiency improvement. Most of China's oil and gas resources are difficult to exploit, and deep formation drilling and development are required. The drill bit is an important device for cutting rocks in drilling tools. The operating parameters of the drill bit underground have an important impact on the drilling speed and the life of the drill bit. Due to the complex deep formation structure in China, it is necessary to expand the well during the later oil extraction. In order to improve the well expansion efficiency, it is necessary to record the detailed information of the formation during the early drilling process and adjust the parameters of the well expansion drill bit in a timely manner. Currently, the formation information is generally recorded by drilling a certain distance with the drill bit and then taking out the drill bit to record the formation information of a certain section. This not only seriously reduces the efficiency of the early drilling, but also cannot record the formation information in real time, affects the accuracy of the operating parameters of the drill bit during well expansion, and increases the wear of the drill bit. Therefore, there is an urgent need for a drill bit with a kinetic data acquisition function and a using method thereof. Summary of the Invention
[0003] In view of this, the present invention provides a drill bit with a kinetic data acquisition function and a using method thereof to solve the deficiencies in the prior art.
[0004] The technical solution of the present invention is as follows:
[0005] A drill bit with a kinetic data acquisition function includes a drill bit, and the drill bit includes:
[0006] A plurality of cutting components are evenly arranged at the head of the drill bit body for cutting and drilling;
[0007] The cutting component includes:
[0008] A blade, which is fixedly connected to the drill bit body;
[0009] A plurality of cutting teeth are evenly arranged on the blade, and the cutting teeth are fixedly connected to the blade;
[0010] An acquisition mechanism is arranged inside the blade for obtaining the rotational speed, vibration, and temperature status information of the drill bit;
[0011] A controller is arranged inside the blade, and the controller is electrically connected to the acquisition mechanism.
[0012] Preferably, the collection mechanism includes a collection chamber opened on the cutter blade. A support frame is provided inside the collection chamber. The support frame is connected to the collection chamber. A plurality of placement grooves are opened on the support frame. A sensor, a battery, and a memory are respectively provided inside the placement grooves. The controller 4 is also fixed in the placement groove 23. The support frame is provided with exhaust holes along the axis. A collection chamber cover is further provided on the outer side of the collection chamber. The collection chamber cover is detachably connected to the collection chamber. The controller is electrically connected to the sensor, the battery, and the memory respectively.
[0013] Preferably, the sensors include a rotational speed sensor, a vibration sensor, and a temperature sensor.
[0014] Preferably, a plurality of annular grooves are opened on the support frame. A rubber ring is sleeved on the annular grooves. The outer side of the rubber ring is in fitting connection with the inner wall of the collection chamber.
[0015] Preferably, a sealing ring is sleeved on one end of the collection chamber cover close to the support frame and is threadedly connected to the collection chamber. The other end is flush with the cross-section of the cutter blade.
[0016] Preferably, a plurality of water holes 71 are evenly opened on the drill bit body 1. The water holes 71 are located between adjacent cutter blades 2. A water cavity 81 is opened inside the drill bit body 1. One end of the water cavity 81 close to the cutter blade 2 is respectively communicated with a plurality of water holes 71. The other end is connected to a water pump on the ground through a pipeline inside the drill pipe.
[0017] A method for using a drill bit with a kinetic data collection function includes the following steps:
[0018] S1, turn on the power of the sensor and the memory on the support frame through the controller, then place the support frame into the collection chamber, and use the collection chamber cover to seal the collection chamber;
[0019] S2, when the vibration value detected by the vibration sensor inside the collection chamber is greater than 5g or the rotational speed value detected by the rotational speed sensor is greater than 20 rpm, the collection mechanism is in the drilling mode. The controller collects data every 10 s - 30 s and writes it into the memory;
[0020] S3, when the vibration value detected by the vibration sensor inside the collection chamber is less than 5g or the rotational speed value detected by the rotational speed sensor is less than 20 rpm and lasts for 1 - 5 min, the collection mechanism is in the ground mode. The controller collects data every 4 - 8 minutes and writes it into the memory;
[0021] S4, after a drilling cycle of the drill bit is completed, take out the support frame inside it, and then export the information data in the memory.
[0022] Preferably, when the collection mechanism is in the drilling mode, the controller collects data every 15 s; when the collection mechanism is in the ground mode, the controller collects data every 6 minutes.
[0023] Compared with the prior art, a drill bit with a kinetic data acquisition function and its usage method provided by the present invention can collect various operating state data of the drill bit through various sensors arranged inside the acquisition chamber, restore the real situation during the operation of the drill bit, and facilitate targeted adjustment of the parameters of the drill bit during later drilling to improve the drilling efficiency; in addition, through the real-time acquired data, a detailed understanding of the operating conditions, faults, and formation conditions of the drill bit can be obtained, reducing the failure rate during later drilling operations, increasing the service life of the drill bit, and reducing the drilling cost; through the detachable integrated acquisition unit, the installation convenience is improved; through the sealing ring and the acquisition chamber cover, not only can external substances be prevented from entering the acquisition chamber to damage the equipment, but also the acquisition chamber cover is flush with the cutter wing, ensuring the overall streamline of the acquisition chamber cover and the cutter wing of the drill bit, avoiding damage to the acquisition chamber cover during drilling and affecting the drilling efficiency; in addition, the sealing ring can increase the assembly tightness between the support frame and the acquisition chamber, making the sensor and the drill bit remain relatively stationary, improving the accuracy of data acquisition; through the exhaust holes on the support frame, the cooperation tightness between the support frame and the acquisition chamber is further improved, avoiding large assembly gaps caused by gas blockage and affecting the accuracy of the sensor; through the evenly distributed water holes on the outside of the acquisition chamber, not only can the foreign substances adhered to the drill bit be flushed during drilling to improve the drilling efficiency, but also the drill bit can be cooled to avoid self-loss of the drill bit and damage to the sensor due to high temperature; the present invention is safe, reliable, easy to use, and has strong practicability, and is worthy of promotion. Description of the Drawings
[0024] Figure 1 is the front view of the present invention;
[0025] Figure 2 is the sectional view of the present invention;
[0026] Figure 3 is the top view of the present invention;
[0027] Figure 4 is the sectional view of the present invention along the direction of the cutter wing;
[0028] Figure 5 is the structural schematic diagram of the sealed chamber cover of the present invention;
[0029] Figure 6 is the structural schematic diagram of the acquisition unit of the present invention;
[0030] Figure 7 is the sectional view of the acquisition unit of the present invention;
[0031] Figure 8 is the acquisition data display diagram of the present invention based on LabVIEW;
[0032] Figure 9 is the partial waveform magnification diagram of the present invention based on LabVIEW;
[0033] Figure 10 This is the visualization diagram of near-bit data based on LabVIEW of the present invention;
[0034] Figure 11 This is the document display diagram of near-bit data acquisition based on LabVIEW of the present invention;
[0035] Figure 12 This is the data analysis display diagram based on Python of the present invention;
[0036] Figure 13 This is the statistical chart of sensor data based on Python of the present invention. Figure a is the temperature statistical chart, Figure b is the statistical chart of axial vibration peak value, and Figure c is the statistical chart of lateral vibration peak value;
[0037] Figure 14 This is the stick-slip and stagnation analysis diagram of the drill bit based on Python of the present invention;
[0038] Figure 15 This is the schedule for the drill bit to switch to the drilling mode;
[0039] Figure 16 This is the schedule for the drill bit to switch to the surface mode.
[0040] Explanation of reference numerals:
[0041] 1 - Drill bit body, 2 - Blade, 3 - Cutting teeth, 4 - Controller, 21 - Acquisition bin, 22 - Support frame, 23 - Placement groove, 24 - Sensor, 25 - Battery, 26 - Memory, 28 - Exhaust hole, 29 - Acquisition bin cover, 41 - Annular groove, 42 - Rubber ring, 61 - Sealing ring, 71 - Nozzle, 81 - Water cavity. Detailed implementation manners
[0042] The present invention provides a drill bit with a kinetic data acquisition function and its usage method. The following combines Figures 1 to 16 with the structural schematic diagram to explain the present invention.
[0043] Embodiment 1
[0044] As Figure 1 、 3 shown, a drill bit with a kinetic data acquisition function includes a drill bit 1, and the drill bit 1 includes: a plurality of cutting assemblies, which are uniformly arranged at the head of the drill bit body 1 and are used to perform cutting drilling;
[0045] The cutting assembly includes: a cutter blade 2, a plurality of cutting teeth 3, a collection mechanism, and a controller 4; the cutter blade 2 is fixedly connected to the drill bit body 1; the plurality of cutting teeth 3 are uniformly arranged on the cutter blade 2 and are fixedly connected to the cutter blade 2; the collection mechanism is arranged inside the cutter blade 2 and is used to obtain the rotational speed, vibration, and temperature status information of the drill bit; the collection mechanism is located inside the cutting teeth, which can ensure the accuracy of the collected information; the controller 4 is also arranged inside the cutter blade 2 and is electrically connected to the collection mechanism, and can optimize the information acquisition frequency according to different status information obtained by the collection mechanism, reduce the overall energy consumption, and ensure long-term effective operation.
[0046] Preferably, the sensor 24 includes a rotational speed sensor, a vibration sensor, and a temperature sensor.
[0047] The rotational speed sensor uses IMU-3000, the vibration sensors use ADXL372BCCZ and ADXL312ACPZ. Using two-threshold acceleration sensors can ensure the measurement accuracy and make it easier to identify the working mode of the data acquisition system; the temperature sensor uses RisymLM75A.
[0048] Among them, the sampling frequency of the rotational speed sensor IMU-3000 is 20Hz, and the vibration sensors use two specifications with measurement ranges of ±16g and ±200g respectively, and the sampling frequency of both is 800Hz. In the ground mode, the acceleration sensor of ±16g works, and the microcontroller is woken up every 6 minutes to record and save the measurement data. In the drilling mode, the acceleration sensor of ±200g works, and the microcontroller extracts the features of the continuous 10-second measurement data and records them.
[0049] Preferably, when the collection mechanism is in the drilling mode, the controller 4 collects data every 15s; when the collection mechanism is in the ground mode, the controller 4 collects data every 6 minutes.
[0050] Embodiment 2
[0051] In order to further improve the real-time performance of drill bit data acquisition, a collection chamber and sensors are set to detect the status of the drill bit in real time, and it is ensured that the sensors and the drill bit remain relatively stable;
[0052] Such as Figure 2 、 4, 6, 7 Preferably, the collection mechanism includes a collection bin 21 formed on the cutter blade 2. Inside the collection bin 21, there is a support frame 22 connected to the collection bin 21. The support frame 22 is provided with a plurality of placement grooves 23. Inside the placement grooves 23, there are respectively a sensor 24, a battery 25, and a memory 26. The controller 4 is also fixed in the placement groove 23. The support frame 22 is provided with exhaust holes 28 along the axis. On the outside of the collection bin 21, there is also a collection bin cover 29 detachably connected to the collection bin 21. The controller 4 is electrically connected to the sensor 24, the battery 25, and the memory 26 respectively.
[0053] Example 3
[0054] To further improve the accuracy of data collected by the sensor, setting a rubber ring can prevent the collection system from being damaged by impact; the collection bin cover can ensure the sealing of the collection bin and, in addition, form a streamline shape with the cutter blade to improve the convenience of using the drill bit;
[0055] Preferably, the support frame 22 is provided with a plurality of annular grooves 41, and rubber rings 42 are sleeved on the annular grooves 41. The outer sides of the rubber rings 42 are in fitting connection with the inner wall of the collection bin 21.
[0056] As Figure 5 shown, preferably, one end of the collection bin cover 29 close to the support frame 22 is sleeved with a sealing ring 61 and is threadedly connected to the collection bin 21, and the other end is flush with the cross-section of the cutter blade 2.
[0057] Example 4
[0058] To further improve the stability of the collection mechanism, by setting a water cavity and water holes, not only can the silt in front of the drill bit be washed away to reduce the load on the drill bit, but also the collection bin can be cooled to avoid the high temperature during drilling of the drill bit from affecting the accuracy of information collection;
[0059] Preferably, the drill bit body 1 is evenly provided with a plurality of water holes 71 between adjacent cutter blades 2. Inside the drill bit body 1, there is a water cavity 81. One end of the water cavity 81 close to the cutter blade 2 is respectively communicated with the plurality of water holes 71, and the other end is connected to a water pump on the ground through a pipeline inside the drill pipe.
[0060] Example 5
[0061] A method for using a drill bit with a kinetic data collection function includes the following steps:
[0062] S1, turn on the power of the sensor 24 and the memory 26 on the support frame 22 through the controller 4, then place the support frame 22 into the collection bin 21, and use the collection bin cover 29 to seal the collection bin 21;
[0063] S2. When the vibration value detected by the vibration sensor inside the collection bin 21 is greater than 5g or the rotation speed value detected by the rotation speed sensor is greater than 20 rpm, the collection mechanism is in the drilling mode, and the controller 4 collects data every 10 s and writes it into the memory 26;
[0064] S3. When the vibration value detected by the vibration sensor inside the collection bin 21 is less than 5g or the rotation speed value detected by the rotation speed sensor is less than 20 rpm and lasts for 1 min, the collection mechanism is in the ground mode, and the controller 4 collects data every 4 minutes and writes it into the memory 26;
[0065] S4. After a single drilling cycle of the drill bit is completed, take out the support frame 22 inside it, and then export the information data in the memory 26.
[0066] Example 6
[0067] A method for using a drill bit with a kinetic data collection function, comprising the following steps:
[0068] S1. Turn on the power of the sensor 24 and the memory 26 on the support frame 22 through the controller 4, then place the support frame 22 into the collection bin 21, and seal the collection bin 21 with the collection bin cover 29;
[0069] S2. When the vibration value detected by the vibration sensor inside the collection bin 21 is greater than 5g or the rotation speed value detected by the rotation speed sensor is greater than 20 rpm, the collection mechanism is in the drilling mode, and the controller 4 collects data every 20 s and writes it into the memory 26;
[0070] S3. When the vibration value detected by the vibration sensor inside the collection bin 21 is less than 5g or the rotation speed value detected by the rotation speed sensor is less than 20 rpm and lasts for 3 min, the collection mechanism is in the ground mode, and the controller 4 collects data every 6 minutes and writes it into the memory 26;
[0071] S4. After a single drilling cycle of the drill bit is completed, take out the support frame 22 inside it, and then export the information data in the memory 26.
[0072] Example 7
[0073] A method for using a drill bit with a kinetic data collection function, comprising the following steps:
[0074] S1. Turn on the power of the sensor 24 and the memory 26 on the support frame 22 through the controller 4, then place the support frame 22 into the collection bin 21, and seal the collection bin 21 with the collection bin cover 29;
[0075] S2. When the vibration value detected by the vibration sensor inside the acquisition bin 21 is greater than 5g or the rotational speed value detected by the rotational speed sensor is greater than 20 rpm, the acquisition mechanism is in the drilling mode, and the controller 4 collects data every 30 s and writes it into the memory 26;
[0076] S3. When the vibration value detected by the vibration sensor inside the acquisition bin 21 is less than 5g or the rotational speed value detected by the rotational speed sensor is less than 20 rpm and lasts for 5 min, the acquisition mechanism is in the ground mode, and the controller 4 collects data every 8 minutes and writes it into the memory 26;
[0077] S4. After a single drilling cycle of the drill bit is completed, the support frame 22 inside it is taken out, and then the information data in the memory 26 is exported.
[0078] Example 8
[0079] Analyze the drill bit data collected and obtained;
[0080] The first part: Data visualization.
[0081] This invention uses LabVIEW software. After the acquisition unit completes a cycle of data acquisition, the acquisition unit is connected to a computer, and LabVIEW can be used to read data visually. Besides the visualization software used in this invention, other visualization software can be used for data visualization, which is not specifically limited here. The specific implementation examples are as follows. As Figure 8 、 9 shown, this group records the data collected by the tool from May 23 to June 2.
[0082] It can be seen from the figure the peak value, average value and the statistical number of times greater than 5g of the axial accelerometer collected by the tool, the peak value and the statistical number of times greater than 5g of the lateral accelerometer, the maximum and minimum values of the rotational speed, the temperature and stick-slip. From the figure of the average value of the axial accelerometer, it can be seen that the average value is mostly around 0 most of the time, indicating that the drilling tool is in a parallel vibration state, and the peak of the average value is around 1, and the tool is in a vertical vibration state. Similarly, when the tool is in a parallel vibration state, there will be obvious changes in the peak value of the lateral accelerometer, and when the peak value of the lateral acceleration is 0, the tool is in a vertical vibration state. The statistical graph of the number of times is related to the vibration frequency of the tool. When the vibration frequency is low, the statistical number of times greater than 100g is started.
[0083] As Figure 10 shown, according to this group of data, an operation summary report can be generated. In the report, through the bar chart, the values of the lateral impact count and axial impact count, the maximum and minimum values of the temperature, the maximum and minimum values of the rotational speed, the total recording time, the total vibration time, and the start time and end time of the recording can be clearly seen.
[0084] In addition to generating operation reports, Figure 11 as shown, data documents can also be generated. The data documents contain various data in the waveform charts, presenting the data collected during the operation of the data acquisition system to technicians in the field in a clearer manner.
[0085] Part Two: In-depth Data Mining
[0086] The present invention uses the Python language to implement the application of artificial intelligence in data analysis. Besides the language used in the present invention, other languages and software can be used to achieve in-depth data analysis, which is not specifically limited herein. The specific implementation examples are described as follows.
[0087] As Figure 12 shown, the recorder data shows the overall operation of the near-bit during a total of 31 days from September 29th to October 31st. According to the temperature and vibration information, it is easy to separate the downhole drilling period from its surface transportation period. The bit started downhole operation on October 27th, 28 days after leaving the repair shop. During downhole drilling, the peak axial vibration is about 40g, and the peak lateral vibration is about 180g; during surface transportation, it was observed that on October 17th, the peak axial vibration was 27g and the peak lateral vibration was 90g. These peak lateral and axial vibrations coincide in time, and there are also fluctuations in the rotational speed image at the same time, which may be related to transportation activities or tool handling at the well site. From the temperature and rotational speed statistical information in the figure, it can be seen that when the near-bit is on the surface, the temperature curve shows the diurnal variation pattern and the rotational speed is basically 0 rpm. When the near-bit starts downhole, the temperature gradually rises to 49 °C, and then during the drilling process, the deeper into the formation, the higher the ambient temperature, and finally it rises to about 56 °C; when starting rotary drilling, the data acquisition system records the rotational speed information; due to the need to stop and connect drill pipes during the drilling process, or the occurrence of stuck drill and the need to reverse, there are drastic changes in the rotational speed image.
[0088] The analysis software further conducts statistical analysis on the data. Table 1-1 lists the operation statistical information generated by the analysis tool. As Figure 13 shown in a, b, and c, bar charts of the statistical data are presented, including temperature, peak axial acceleration, and peak lateral acceleration. From Figures 1-7 it can be seen that for the ambient temperature analysis of the near-bit, the highest temperature it reaches is 50 - 60 degrees. The axial vibration mainly concentrates in the range of ±10g; the highest vibration is 40g, but the number of vibrations is very small. From Figures 1-8 it can be seen that the lateral vibration mainly concentrates in the range of 0 - 80g, the highest vibration is 180g, but the number of vibrations is very small.
[0089] These measurements and statistical data provide valuable and abundant downhole data for the vibration research near the bit. The data in the data acquisition system shown in Table 1-1 statistical report is clear and intuitive, which can help maintenance personnel and operators quickly understand the working conditions of the motor to provide performance improvement plans and maintenance measures.
[0090] Table 1-1 Statistical Report
[0091]
[0092]
[0093] Combining the data of the data acquisition mechanism with the data of the surface equipment as shown in the figure, Figure 14 (a) shows that the motor is in the rotary drilling mode from 5:30 to 10:30, and then switches to the sliding drilling mode at about 10:30; at the same time, the mud displacement measured on the surface is also shown in the figure. Figure 14 (b) shows the bit depth, peak axial vibration, and peak lateral vibration colored according to the rotary or sliding drilling state. During rotary drilling, higher vibration intensity is observed, with lateral vibration of about 100g and axial vibration of about 30g. However, after the bit is switched to the sliding drilling mode, the lateral vibration decreases to 50g and the axial vibration decreases to 15g. Figure 14 (c) shows the maximum, minimum, and average rotational speeds. Higher stick-slip is observed during the rotary drilling stage, and bit stall is also observed. After the bit is switched to the sliding drilling mode, the degree of stick-slip decreases.
[0094] The data acquisition system described in the present invention is suitable for the current domestic digital oilfield construction needs. By using artificial intelligence algorithms, a model for judging the operation status of equipment is established to further explore data laws and endow new values to the data. At the same time, based on the experience of manual analysis, an expert system is established to promote the assessment of equipment health status, effectively improve drilling efficiency, and reduce operating costs. On the premise of having a large amount of data basis and successful cases, combined with the wear assessment in the maintenance workshop, a model for equipment life is further established to realize the intelligent operation of downhole equipment.
[0095] It can be understood that all the conditions that occur to the bit during the drilling process are concentrated in the vibration and rotation values. Using a data acquisition device independent of the bit can achieve the purpose of convenient disassembly and assembly, reducing failure rate and cost, and realizing the intelligence of the bit, so as to achieve the following effects:
[0096] By reading the time-stamped data, a detailed understanding of the operation status, faults, and formation conditions of the bit can be obtained, reducing the failure rate of the bit during operation and cost.
[0097] By deeply exploring different data, assisting intelligent algorithms, deeply exploring data patterns, establishing a drill bit life model, and effectively improving drilling efficiency.
[0098] A drill bit with a kinetic data acquisition function and its usage method provided by the present invention can collect various state data of the drill bit through multiple acquisition bins arranged on the cutter blades, facilitating the restoration of the real situation of the drill bit operation, making targeted adjustments to the parameters of the drill bit, having a detailed understanding of the operation status, faults, and formation conditions of the drill bit, reducing the failure rate of the drill bit during operation, and reducing costs; through multiple water holes arranged on the drill bit, it can not only cool and dissipate heat during drilling to avoid damage to the drill bit caused by high temperature, but also dissipate heat from the sensors, improving their service life; through the detachable integrated acquisition unit, it is not only convenient to fix with the acquisition bin, but also convenient to replace, improving its convenience of use; through the sealing ring and the acquisition bin cover, it can prevent external substances from entering the acquisition bin and damaging the equipment, and the acquisition bin cover is flush with the cutter blade, ensuring that the acquisition bin cover does not damage the external shape structure of the cutter blade, improving the integrity of the drill bit, and further improving its usage efficiency; the acquisition mechanism of the present invention is safe, reliable, convenient to use, and has strong practicability, worthy of promotion.
[0099] The above-disclosed are only the preferred specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.
Claims
1. A drill bit with a kinetic data acquisition function, comprising a drill bit (1), characterized in that, The drill bit (1) includes: A plurality of cutting components, radially arranged at the head of the drill bit body (1) for cutting and drilling; The cutting component includes: A blade (2), which is fixedly connected to the drill bit body (1); A plurality of cutting teeth (3), evenly arranged on the blade (2), and the cutting teeth (3) are fixedly connected to the blade (2); A collection mechanism, arranged inside the blade (2) for obtaining information on the rotational speed, vibration, and temperature status of the drill bit; A controller (4), arranged inside the blade (2), and the controller (4) is electrically connected to the collection mechanism; The collection mechanism includes a collection chamber (21) opened on the blade (2). Inside the collection chamber (21), there is a support frame (22). The support frame (22) is connected to the collection chamber (21). A plurality of placement grooves (23) are opened on the support frame (22). Inside the placement grooves (23), there are respectively arranged a sensor (24), a battery (25), and a memory (26). The controller (4) is also fixed in the placement groove (23). The support frame (22) is provided with exhaust holes (28) along the axis. On the outer side of the collection chamber (21), there is also a collection chamber cover (29). The collection chamber cover (29) is detachably connected to the collection chamber (21). The controller (4) is electrically connected to the sensor (24), the battery (25), and the memory (26) respectively; A plurality of annular grooves (41) are opened on the support frame (22), and rubber rings (42) are sleeved on the annular grooves (41). The outer side of the rubber ring (42) is in fitting connection with the inner wall of the collection chamber (21); A plurality of water holes (71) are evenly opened on the drill bit body (1). The water holes (71) are located between adjacent blades (2). Inside the drill bit body (1), there is a water cavity (81). One end of the water cavity (81) close to the blade (2) is respectively communicated with a plurality of water holes (71), and the other end is connected to a water pump on the ground through a pipeline inside the drill pipe.
2. The drill bit with a kinetic data acquisition function according to claim 1, characterized in that, The sensor (24) includes a rotational speed sensor, a vibration sensor, and a temperature sensor.
3. The drill bit with a kinetic data acquisition function according to claim 1, characterized in that, One end of the collection chamber cover (29) close to the support frame (22) is sleeved with a sealing ring (61) and is threadedly connected to the collection chamber (21), and the other end is flush with the cross-section of the blade (2).
4. The usage method of a drill bit with a kinetic data acquisition function according to any one of claims 1-3, characterized in that, It includes the following steps: S1. Through the controller (4), turn on the sensor (24), the memory (26) on the support frame (22), and then place the support frame (22) into the collection chamber (21), and use the collection chamber cover (29) to seal the collection chamber (21); S2. When the vibration value detected by the vibration sensor inside the collection chamber (21) is greater than 5g or the rotational speed value detected by the rotational speed sensor is greater than 20rpm, the collection mechanism is in the drilling mode, and the controller (4) collects data every 10s - 30s and writes it into the memory (26); S3. When the vibration value detected by the vibration sensor inside the collection chamber (21) is less than 5g or the rotational speed value detected by the rotational speed sensor is less than 20rpm and lasts for 1 - 5 minutes, the collection mechanism is in the ground mode, and the controller (4) collects data every 4 - 8 minutes and writes it into the memory (26); In S4, after the drill bit completes one drilling cycle, the support frame inside it is taken out, and then the information data in the memory (26) is exported.
5. The usage method of a drill bit with a kinetic data acquisition function according to claim 4, characterized in that, When the acquisition mechanism is in the drilling mode, the controller (4) collects data every 15 s; when the acquisition mechanism is in the ground mode, the controller (4) collects data every 6 minutes.
Citation Information
Patent Citations
Polycrystalline diamond compact (PDC) bit
CN105927159A
Drill bit with dynamic data acquisition function
CN215979215U
External well drilling well bottom data acquiring apparatus
CN2903368Y
Modular Data Acquisition for Drilling Operations
US20130147633A1
Timeline from slumber to collection of RFID tags in a well environment
US20140182845A1