Rotary drill rod directional construction track measuring and deviation rectifying device and using method

Abstract

The invention relates to the field of drilling construction, in particular to a rotary drill rod directional construction track measuring and deviation rectifying device and a using method. The technical problems are as follows: a traditional correction means has response hysteresis and is difficult to realize real-time monitoring and real-time regulation and control; according to the technical scheme, the rotary drill rod directional construction track measuring and correcting device comprises a drill rod and a drill bit, a mounting shaft is fixedly mounted at the upper end of the drill bit, a connecting seat is fixedly mounted at the lower end of the drill rod, an adjusting seat is rotationally connected to the lower end of the connecting seat, and a driving mechanism for driving the adjusting seat to rotate is arranged in the connecting seat; an executing mechanism for driving the mounting shaft to rotate is arranged in the adjusting seat, a position detector for positioning and an angle detector for detecting deflection are arranged at the lower end of the adjusting seat, and a control module is arranged in the adjusting seat; according to the invention, the driving mechanism and the executing mechanism are used for implementing quick and accurate multi-degree-of-freedom direction adjustment on the drill bit when the drill bit deviates, so that the real-time deviation correction operation on the drill bit can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of drilling construction, in particular to a rotating drill pipe directional construction trajectory measurement deviation correction device and use method. BACKGROUND

[0002] The rotating drill pipe directional construction technology is one of the key technologies in modern geological exploration, oil and gas drilling, underground pipeline laying and other engineering, which controls the spatial trajectory of the drill bit in real time during drilling to make it advance along the preset path, thereby realizing accurate exploitation of underground resources or precise construction of engineering structures.

[0003] However, in the actual construction process, due to the heterogeneity of underground rock structure, the interaction between drilling tools and strata, the fluctuation of drilling fluid performance and the improper matching of operation parameters, the drill bit is prone to unexpected trajectory deviation.

[0004] Traditional deviation correction methods are mostly based on experience and periodic drilling detection, or use simple mechanical deviation correction devices, which have significant lag in deviation correction response, making it difficult to realize real-time monitoring and immediate control. When the deviation is obvious, a large deviation has often been formed, resulting in high correction cost and difficulty in implementation. At the same time, it is highly dependent on manual intervention, and the automation and intelligence level is insufficient, which seriously restricts the accuracy, efficiency and reliability of directional drilling.

[0005] Therefore, in view of the above problems, a rotating drill pipe directional construction trajectory measurement deviation correction device can be designed. The device integrates a plurality of sensors, driving mechanisms and control systems between the drill pipe and the drill bit to realize continuous online monitoring of the spatial pose of the drill bit and stratum information. Based on the monitoring data, deviation correction instructions are automatically generated through intelligent algorithms, and the driving mechanism is used to adjust the direction of the drill bit in multiple degrees of freedom quickly and accurately. The device not only can perform real-time correction operation, but also can predict the potential trajectory of the drill bit in the future drilling section by combining historical and real-time data collected by multiple sensors, so as to start the driving mechanism and actuator for pre-adjustment in advance, thereby significantly improving the automation level and construction accuracy of trajectory control. SUMMARY

[0006] In order to overcome the problems of response lag in traditional deviation correction methods, difficulty in realizing real-time monitoring and immediate control, high dependence on manual intervention, insufficient automation and intelligence level, and serious restriction on the accuracy, efficiency and reliability of directional drilling.

[0007] The technical scheme of the present application is: a rotating drill pipe directional construction trajectory measurement deviation correction device, comprising a drill pipe and a drill bit, the upper end of the drill bit is fixedly connected with a mounting shaft, further comprising a connecting seat fixedly installed at the lower end of the drill pipe, the lower end of the connecting seat is rotatably connected with an adjusting seat, one end of the mounting shaft is hinged to the inside of the adjusting seat; The interior of the connecting seat is provided with a driving mechanism for driving the adjusting seat to rotate, and the interior of the adjusting seat is provided with an executing mechanism for driving the mounting shaft to rotate; The interior of the drill bit is integrated with a geological sensing module, the lower end of the adjusting seat is provided with a position detector for positioning and an angle detector for detecting deflection, and the interior of the adjusting seat is provided with a control module and a remote transmission module.

[0008] Preferably, the position and angular deflection of the drill bit can be detected by the angle detector and the position detector. When deviation occurs, abnormal data is transmitted to the control module, which generates a correction instruction to start the driving mechanism and the executing mechanism to implement rapid and accurate multi-degree-of-freedom directional adjustment of the drill bit. The correction result is sent to the ground operator for verification through the remote transmission module, and intervention instructions or parameter adjustment instructions from the ground operator can be received. The drill bit is connected to the adjusting seat through the mounting shaft, and the geological sensing module integrated in the drill bit can collect real-time stratum lithology data to predict the trajectory of the drill bit in cooperation with the control module.

[0009] As a preferred, the upper end of the adjusting seat is fixedly installed with a connecting shaft, and the periphery of the adjusting seat is fixedly installed with a limiting ring. The interior of the connecting seat is provided with a groove corresponding to the limiting ring.

[0010] As a preferred, the driving mechanism includes a motor and a worm gear reducer box, both of which are fixedly installed in the interior of the connecting seat. The output end of the motor is fixedly connected with the input end of the worm gear reducer box, and the output end of the worm gear reducer box is fixedly connected with the connecting shaft.

[0011] As a preferred, the executing mechanism includes two groups of electric telescopic rods symmetrically fixedly installed in the interior of the adjusting seat, and the telescopic end of the electric telescopic rod is hingedly connected with a contact arc plate.

[0012] As a preferred, the surface shape of the contact arc plate is consistent with and adheres to the mounting shaft, and the contact arc surface of the contact arc plate and the mounting shaft is coated with a wear-resistant coating to reduce friction.

[0013] As a preferred, the periphery of the mounting shaft is fixedly installed with a mounting sleeve, and the mounting sleeve and the adjusting seat are provided with a flexible rubber sleeve that can freely deform.

[0014] As a preferred, the control module is built-in with an AI trajectory prediction algorithm.

[0015] As a preferred, the remote transmission module and the control system used by the ground operator adopt an anti-interference coding protocol for data interaction.

[0016] The use method of the rotary drill pipe directional construction trajectory measurement and correction device described above comprises the following steps: S1: Collecting spatial position data of the drill bit in real time through a position-sensitive detector, collecting attitude angle data of the drill bit in real time through an angle-sensitive detector, and collecting stratum lithology data in real time through a geological sensing module; S2: The control module receives and processes the position data, angle data and stratum data, and determines whether the current trajectory of the drill bit deviates from the preset trajectory through an internal algorithm; S3: When it is determined that the trajectory deviates, the control module generates a correction instruction, controls the asymmetric extension and retraction movement of the two groups of electric telescopic rods, and changes the deflection angle of the drill bit through the stable pushing of the installation shaft by the contact arc plate; S4: At the same time, the control module controls the motor to operate, increases the torque through the worm gear reduction box, drives the adjusting seat to stably rotate around the axis of the connecting shaft under the action of the limiting ring, and then adjusts the drilling direction of the drill bit; S5: During the execution of the correction action, the position detector and the angle detector continuously monitor the attitude change of the drill bit and feed the monitoring data back to the control module, and the control module adjusts the control instructions of the two groups of electric telescopic rods and the motor in a closed loop according to the feedback data until the drill bit returns to the preset trajectory; S6: The remote transmission module transmits all monitoring data, control instructions and execution results in the correction process to the control system operated by the ground operator in real time, and receives intervention instructions or parameter adjustment instructions from the ground control system.

[0017] As a preferred, the AI trajectory prediction algorithm built-in the control module predicts the possible trajectory of the drill bit in a future drilling distance based on historical drilling data, real-time sensor data and stratum data, and if the predicted trajectory deviates from the preset trajectory, the control module issues a pre-correction instruction before the deviation actually occurs, and starts the two groups of electric telescopic rods and the motor for pre-adjustment.

[0018] The beneficial effects of the present application are: The device can detect the position and angle deflection of the drill bit through the angle detector and the position detector. When deviation occurs, the abnormal data is transmitted to the control module, the control module generates a correction instruction, and the motor and the electric telescopic rod are started. The motor can stably rotate the adjusting seat, and the asymmetric extension and retraction movement of the two groups of electric telescopic rods can cooperate with the contact arc plate to adjust the deflection angle of the drill bit through the installation shaft, so as to realize multi-angle free adjustment of the drill bit for correction. The AI trajectory prediction algorithm built-in the control module can predict the possible trajectory of the drill bit in a future drilling distance based on historical drilling data, real-time sensor data and stratum data. If the predicted trajectory deviates from the preset trajectory, the control module issues a pre-correction instruction before the deviation actually occurs, so as to start the driving mechanism and the actuator for pre-adjustment in advance, thereby significantly improving the automation level and construction precision of trajectory control. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The diagram shown is a first three-dimensional structural schematic of the rotary drill rod directional construction trajectory measurement and correction device of the present invention. Figure 2 The diagram shown is a second three-dimensional structural schematic of the rotary drill rod directional construction trajectory measurement and correction device of the present invention; Figure 3 The diagram shown is a three-dimensional cross-sectional view of the connecting seat and adjusting seat of the rotary drill rod directional construction trajectory measurement and correction device of the present invention. Figure 4 The diagram shown is a three-dimensional structural representation of the outer periphery of the adjusting base of the rotary drill rod directional construction trajectory measurement and correction device of the present invention. Figure 5 The diagram shown is a three-dimensional structural representation of the internal structure of the adjusting seat of the rotary drill rod directional construction trajectory measurement and correction device of the present invention. Explanation of reference numerals in the attached drawings: 1. Drill rod; 2. Drill bit; 201. Mounting shaft; 3. Connecting seat; 301. Motor; 302. Worm gear reducer; 4. Adjusting seat; 401. Connecting shaft; 402. Limiting ring; 403. Mounting sleeve; 404. Flexible rubber sleeve; 5. Electric telescopic rod; 501. Contact arc plate; 6. Control module; 7. Remote transmission module; 8. Position detector; 9. Angle detector. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please see Figure 1 , Figure 3 and Figure 5 The present invention provides an embodiment of a rotary drill rod directional construction trajectory measurement and correction device, which includes a drill rod 1 and a drill bit 2. The upper end of the drill bit 2 is fixedly connected to an installation shaft 201, and the device also includes a connecting seat 3 fixedly installed at the lower end of the drill rod 1. The lower end of the connecting seat 3 is rotatably connected to an adjusting seat 4, and one end of the installation shaft 201 is hinged to the inside of the adjusting seat 4. The connecting seat 3 is equipped with a drive mechanism that drives the adjusting seat 4 to rotate, and the adjusting seat 4 is equipped with an actuator that drives the mounting shaft 201 to rotate. The drill bit 2 has a geological sensing module integrated inside. The lower end of the adjustment seat 4 is equipped with a position detector 8 for positioning and an angle detector 9 for detecting deflection. The adjustment seat 4 is equipped with a control module 6 and a remote transmission module 7 inside. The position and angle deflection of the drill bit 2 can be detected through the angle detector 9 and the position detector 8. When the deflection occurs, the abnormal data is transmitted to the control module 6, the control module 6 generates the correction instruction, the driving mechanism and the actuating mechanism are started to implement the rapid and accurate multi-degree-of-freedom direction adjustment of the drill bit 2, and the correction result is sent to the ground operator for verification through the remote transmission module 7, and the intervention instruction or parameter adjustment instruction from the ground operator can be received, the drill bit 2 and the adjusting seat 4 are connected through the mounting shaft 201, and the geological induction module integrated in the drill bit 2 can collect the stratum lithology data in real time, and the trajectory of the drill bit 2 is predicted in cooperation with the control module 6.

[0022] Please refer to Figure 3 With Figure 5 In the embodiment, as preferred, the upper end of the adjusting seat 4 is fixedly provided with a connecting shaft 401, the periphery of the adjusting seat 4 is fixedly provided with a limiting ring 402, and the inner part of the connecting seat 3 is provided with a groove corresponding to the limiting ring 402; the adjusting seat 4 and the driving mechanism are connected through the connecting shaft 401, and the rotation of the adjusting seat 4 is limited through the limiting ring 402 cooperating with the groove in the connecting seat 3; the driving mechanism comprises a motor 301 and a worm gear reducer 302, both of which are fixedly installed in the inner part of the connecting seat 3, the output end of the motor 301 is fixedly connected with the input end of the worm gear reducer 302, and the output end of the worm gear reducer 302 is fixedly connected with the connecting shaft 401; the motor 301 is arranged to increase the torque through the worm gear reducer 302 to stably drive the rotation of the adjusting seat 4, and the worm gear reducer 302 has self-locking property, so that when the motor 301 is not running, the adjusting seat 4 will not rotate accidentally; the actuating mechanism comprises two groups of electric telescopic rods 5 symmetrically fixedly installed in the inner part of the adjusting seat 4, and the telescopic end of each electric telescopic rod 5 is hingedly provided with a contact arc plate 501; the contact arc plate 501 is consistent with the surface shape of the mounting shaft 201 and is attached to the mounting shaft 201, and the contact arc surface of the contact arc plate 501 and the mounting shaft 201 is coated with a wear-resistant coating for reducing friction; the asymmetric telescopic movement of the two groups of electric telescopic rods 5 can cooperate with the contact arc plate 501 to adjust the deflection angle of the drill bit 2 through the mounting shaft 201, so as to realize the correction function.

[0023] Please refer to Figure 2 , Figure 4 With Figure 5In the embodiment, the outer periphery of the mounting shaft 201 is fixedly mounted with a mounting sleeve 403, and a flexible rubber sleeve 404 capable of free deformation is arranged between the mounting sleeve 403 and the adjusting seat 4. The flexible rubber sleeve 404 is mounted by arranging the mounting sleeve 403, and the inside of the adjusting seat 4 can be shielded and protected without affecting the free rotation of the mounting shaft 201. The control module 6 is built-in with an AI trajectory prediction algorithm, and the remote transmission module 7 and the control system used by the ground operator adopt an anti-interference coding protocol for data interaction.

[0024] Based on the use method of the rotating drill rod directional construction trajectory measurement and deviation correction device, the following steps are included: S1: The spatial position data of the drill bit 2 is collected in real time by the position-sensitive detector, the attitude angle data of the drill bit 2 is collected in real time by the angle-sensitive detector, and the formation lithology data is collected in real time by the geological sensing module; S2: The control module 6 receives and processes the position data, angle data and formation data, and determines whether the current trajectory of the drill bit 2 deviates from the preset trajectory through the built-in algorithm; S3: When it is determined that the trajectory deviates, the control module 6 generates a correction instruction, controls the two groups of electric telescopic rods 5 to perform asymmetric telescopic motion, and changes the deflection angle of the drill bit 2 through the stable pushing of the contact arc plate 501 to the mounting shaft 201; S4: At the same time, the control module 6 controls the motor 301 to run, and after the torque is increased through the worm gear reducer 302, the adjusting seat 4 is driven by the connecting shaft 401 to stably rotate around the axis line of the connecting shaft 401 under the action of the limiting ring 402, and then the drilling direction of the drill bit 2 is adjusted; S5: During the execution of the correction action, the position detector 8 and the angle detector 9 continuously monitor the attitude change of the drill bit 2, and feed the monitoring data to the control module 6, and the control module 6 adjusts the control instructions of the two groups of electric telescopic rods 5 and the motor 301 according to the feedback data until the drill bit 2 returns to the preset trajectory; S6: The remote transmission module 7 transmits all the monitoring data, control instructions and execution results in the correction process to the control system operated by the ground operator in real time, and receives the intervention instructions or parameter adjustment instructions from the ground control system; The AI trajectory prediction algorithm built-in in the control module 6 is based on historical drilling data, real-time sensor data and formation data to predict the possible trajectory of the drill bit 2 in a future drilling distance, and if the predicted trajectory deviates from the preset trajectory, the control module 6 issues a pre-correction instruction before the actual deviation occurs, and starts the two groups of electric telescopic rods 5 and the motor 301 for pre-adjustment.

[0025] When working, the position and angle deflection of the drill bit 2 can be detected by using the angle detector 9 and the position detector 8, and when the deflection occurs, the abnormal data is transmitted to the control module 6, and the control module 6 generates a correction instruction; Thus, the motor 301 and the electric telescopic rod 5 are started, the motor 301 can drive the stable rotation of the adjusting seat 4, the asymmetric telescopic motion of the two groups of electric telescopic rods 5 can cooperate with the contact arc plate 501 to adjust the deflection angle of the drill bit 2 through the mounting shaft 201, and the automatic correction function is realized, wherein the remote transmission module 7 transmits all the monitoring data, control instructions and execution results in the correction process to the control system operated by the ground operation personnel in real time, and receives the intervention instructions or parameter adjustment instructions from the ground control system; The AI trajectory prediction algorithm built in the control module 6 predicts the possible trajectory of the drill bit 2 in a future drilling distance based on the historical drilling data, real-time sensor data and formation data, and if the predicted trajectory deviates from the preset trajectory, the control module 6 issues a pre-correction instruction before the actual deviation occurs, so as to start the driving mechanism and the execution mechanism for pre-adjustment, and the automation level and construction accuracy of the trajectory control are significantly improved.

[0026] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A rotary drill pipe directional construction trajectory measurement correction device; characterized by: The utility model relates to a drilling device, including drill rod (1) with drill bit (2), the upper end fixedly connected with mounting shaft (201) of drill bit (2), the lower end fixedly installed with connecting seat (3) of drill rod (1), the lower end rotatably connected with adjusting seat (4) of connecting seat (3), the inside hinged of mounting shaft (201) one end in adjusting seat (4), The inside of connecting seat (3) is provided with a driving mechanism for rotating the adjusting seat (4), and the inside of the adjusting seat (4) is provided with an executing mechanism for rotating the mounting shaft (201); The inside of the drill bit (2) is integrated with a geological sensing module, the lower end of the adjusting seat (4) is provided with a position detector (8) for positioning and an angle detector (9) for detecting deflection, and the inside of the adjusting seat (4) is provided with a control module (6) and a remote transmission module (7).

2. A rotational drilling directional trajectory measurement and correction device according to claim 1, wherein: The upper end of the adjusting seat (4) is fixedly installed with a connecting shaft (401), and the periphery of the adjusting seat (4) is fixedly installed with a limiting ring (402), and the inside of the connecting seat (3) is provided with a groove corresponding to the limiting ring (402).

3. The rotational drilling directional trajectory measurement and correction device of claim 1, wherein: The driving mechanism includes a motor (301) and a worm gear reducer (302), both of which are fixedly installed in the inside of the connecting seat (3), the output end of the motor (301) is fixedly connected with the input end of the worm gear reducer (302), and the output end of the worm gear reducer (302) is fixedly connected with the connecting shaft (401).

4. The rotational drilling directional trajectory measurement and correction device of claim 1, wherein: The executing mechanism includes two groups of electric telescopic rods (5) fixedly installed in the inside of the adjusting seat (4), and the telescopic end of the electric telescopic rod (5) is hinged with a contact arc plate (501).

5. A rotational drilling directional trajectory measurement and correction device as defined in claim 4, wherein: The surface shape of the contact arc plate (501) is consistent with and adheres to the mounting shaft (201), and the contact arc surface of the contact arc plate (501) and the mounting shaft (201) is coated with a wear-resistant coating to reduce friction.

6. A rotational drilling directional trajectory measurement and correction device as defined in claim 1 wherein: The periphery of the mounting shaft (201) is fixedly installed with a mounting sleeve (403), and a flexible rubber sleeve (404) is arranged between the mounting sleeve (403) and the adjusting seat (4).

7. A rotational drilling directional trajectory measurement and correction device as defined in claim 1 wherein: The control module (6) is built-in with an AI trajectory prediction algorithm.

8. The rotational drilling directional trajectory measurement and correction device of claim 1, wherein: The remote transmission module (7) and the control system used by the ground operator adopt an anti-interference coding protocol for data interaction.

9. A method of using a rotational drill pipe directional construction trajectory measuring and correction device according to any one of claims 1-8, characterized in that: The steps include: S1: collecting the spatial position data of the drill bit (2) in real time through the position sensitive detector, collecting the attitude angle data of the drill bit (2) in real time through the angle sensitive detector, and collecting the stratum lithology data in real time through the geological sensing module; S2: the control module (6) receives and processes the position data, angle data and stratum data, and determines whether the current trajectory of the drill bit (2) deviates from the preset trajectory through the built-in algorithm; S3: when the trajectory deviation is determined, the control module (6) generates a correction instruction, controls the asymmetric telescopic motion of the two groups of electric telescopic rods (5), and changes the deflection angle of the drill bit (2) by stably pushing the mounting shaft (201) through the contact arc plate (501). S4: At the same time, the control module (6) controls the motor (301) to operate, and after increasing the torque through the worm gear reducer (302), the connecting shaft (401) drives the adjusting seat (4) to rotate stably around the axis of the connecting shaft (401) under the action of the limiting ring (402), and then adjusts the drilling direction of the drill bit (2); S5: During the execution of the deviation correction action, the position detector (8) and the angle detector (9) continuously monitor the attitude change of the drill bit (2) and feed the monitoring data to the control module (6), and the control module (6) adjusts the control instructions of the two groups of electric telescopic rods (5) and the motor (301) in a closed loop according to the feedback data until the drill bit (2) returns to the preset trajectory; S6: The remote transmission module (7) transmits all monitoring data, control instructions and execution results in the deviation correction process to the control system operated by the ground operator in real time, and receives intervention instructions or parameter adjustment instructions from the ground control system.

10. The method of claim 9, wherein: The AI trajectory prediction algorithm built in the control module (6) is based on historical drilling data, real-time sensor data and formation data to predict the possible trajectory of the drill bit (2) in a future drilling distance. If the predicted trajectory deviates from the preset trajectory, the control module (6) will issue a pre-deviation correction instruction before the actual deviation occurs, and start the two groups of electric telescopic rods (5) and the motor (301) for pre-adjustment.

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