189 results about "Weight on bit" patented technology

The invention relates to the field of intelligent remote control, in particular to a digitization-based intelligent remote control method and a digitization-based intelligent remote control system for a drilling machine. The system monitors and collects drilling parameter data in real time through a sensor network, and transmits the drilling parameter data to a remote control server through a wireless communication network. In a remote control server, a data processing and analysis algorithm based on artificial intelligence and deep learning is used to carry out time sequence analysis and collaborative association feature description on the drilling parameter data, so as to capture context semantics among time sequence features of each drilling parameter. The bit pressure time sequence semantics are used as query features to query and match the optimal bit pressure recommendation decoding value from the other drilling parameter time sequence collaborative association features, and the bit pressure recommendation decoding value is compared with the bit pressure value at the current time point to generate a bit pressure remote regulation and control instruction, so that the bit pressure remote regulation and control instruction is quickly adapted to the change of geological conditions in the drilling process; and remote intelligent control of the drilling machine is realized.

The invention relates to the technical field of constructional engineering, and discloses a sandy gravel and bedrock area pile foundation drilling process which comprises the following steps: drilling data acquisition: acquiring drilling parameters of drilling pressure, drilling speed, drill bit temperature and vibration data in real time; the invention further provides a sandy gravel and bedrock area pile foundation drilling control system, and the system comprises a drilling data acquisition module which is used for acquiring data of drilling pressure, drilling speed, drill bit temperature and vibration parameters in real time; the invention further provides a drilling machine for drilling the pile foundation in the sandy gravel and bedrock area, and the drilling machine comprises a drill bit module used for striking and cutting a rock stratum and cooperating with a continuous crushing mechanism to conduct efficient drilling. By introducing the intelligent real-time feedback control system and the particle swarm optimization algorithm, automatic adjustment of the drilling pressure and the drilling speed is achieved, the drilling efficiency is improved, equipment abrasion is reduced, energy consumption is reduced, and the method effectively adapts to complex stratum changes.

Systems and methods presented herein facilitate coiled tubing operations, and generally relate to reduction of shock and vibrations to portions of the coiled tubing string. A device includes a first end configured to be disposed downstream of a bottom hole assembly of a coiled tubing drilling string; a second end configured to be disposed downstream of the first end and upstream of a drive of the coiled tubing drilling string; and a moveable valve configured to move from a first position to a second position to divert at least a portion of drilling fluid flow away from the drive when the drilling fluid flow is greater than a preset flow value or a weight on bit is less than a preset weight value and thereby reduce a rotation rate of the drive.

The invention provides a petroleum drilling geomechanical characteristic estimation method based on deep learning, and aims to solve the problems of high measurement cost and poor real-time performance of shear wave velocity Vs in traditional geomechanical analysis by fusing logging while drilling LWD data and real-time drilling engineering parameters. According to the method, a Transformer model is adopted to carry out depth correction on logging-while-drilling data, depth offset of a drill bit and a logging sensor is eliminated, and real-time drilling parameters such as torque T, bit pressure WOB and drilling speed ROP are combined and input into a multi-layer perceptron MLP network to predict the shear wave speed Vs. And further calculating key geomechanical parameters based on the predicted shear wave velocity Vs. In practical application, the method improves the shear wave velocity prediction accuracy to 97.2%, the mean absolute error MAE of the shear modulus is reduced from 0.186 to 0.059, and the bulk modulus is reduced from 0.189 to 0.040. The method can be used for outputting stratum elastic parameters, optimizing bit pressure, pre-warning well wall instability and adjusting a well track, well drilling safety and efficiency are improved, and meanwhile dependence on an expensive well logging technology is reduced.

The invention discloses a drilling parameter optimization method and device and a storage medium, and relates to the technical field of parameter optimization, and the key points of the technical scheme are that the method comprises the following steps: establishing a drilling specific energy difference model and a mechanical drilling speed model; the drilling specific energy difference value is the difference value between the energy required for removing unit volume of rock and the pressure resistance degree of the rock lateral line; constraint conditions of the drilling parameters are determined, and a multi-objective optimization model is constructed according to the constraint conditions, the drilling specific energy difference model and the mechanical drilling speed model; and according to the multi-objective optimization model, well drilling parameters are optimized in real time, the optimal well drilling parameters of well drilling operation are determined, and the well drilling parameters of the well drilling operation are adjusted according to the optimal well drilling parameters. Through the optimization method, the multi-target optimization model can be formed by combining the mechanical drilling speed model and the drilling specific energy difference model, so that drilling parameters such as drilling pressure and rotating speed are realized under constraint conditions, optimization of the drilling parameters is realized, the drilling efficiency is improved, and the drilling cost is reduced.

The invention belongs to a drilling operation tool, and particularly relates to a rock breaking drilling simulation experiment bench of a drilling tool system. The rock breaking drilling simulation experiment bench of the drilling tool system is mainly composed of a main frame, a bottom frame, a hydraulic cylinder, a power module, a vibration measurement module and a bit pressure-torque measurement module. A certain drilling tool combination can be selected to perform a drilling experiment on a certain rock, a single-drill-bit rock breaking or / and while-drilling reaming rock breaking drilling operation experiment can be realized, and drilling pressure, rotating speed, torque and drilling tool and drill bit vibration and motion trail parameters are acquired in a multi-point manner; the experiment bench is provided with a hydraulic lifting device, so that conditions of a horizontal well, a vertical well, an inclined well and the like can be simulated. According to the invention, different drilling operation modes such as simulation of a horizontal well, a vertical well and different types of boreholes with different inclination angles, single-drill-bit drilling and reaming while drilling can be realized, the universality of the experiment bench is improved, and diversified and perfect experiment conditions are provided for related research.

The invention discloses a petroleum drilling PDC drill bit, and relates to the technical field of drilling PDC drill bits, the petroleum drilling PDC drill bit comprises a drill bit main body, a blade main body and a liquid conveying pipeline, an adjusting assembly is arranged between the drill bit main body and the blade main body, and the adjusting assembly is used for automatically adjusting the rotating speed and bit pressure of the blade main body; the adjusting assembly comprises a conical block fixedly installed on the inner wall of the drill bit body, a rolling bearing is fixedly installed on the inner wall of the drill bit body, and a gear disc is rotationally installed on the rolling bearing. The drilling tool has the advantages that before drilling of the blade body, the rotating speed and the drilling pressure of the blade body can be adaptively adjusted according to the drilling torque of the blade body, and meanwhile when continuous drilling of the blade body is conducted and the drilling torque is increased or decreased, the rotating speed and the drilling pressure of the blade body are adaptively adjusted in time through cooperation of the adjusting assembly and the sensing assembly; therefore, the well drilling effect of the blade body can be improved, abrasion of the blade body caused by long-time use is reduced, and the service life of the blade body is prolonged.

The invention discloses a mucky clay pile foundation drilling parameter regulation and control method and system, and belongs to the technical field of pile foundation drilling construction.The method comprises the steps that historical construction data of mucky clay pile foundation drilling is collected and preprocessed, and a data set is constructed; constructing and training a machine learning model based on the data set to obtain a drilling parameter time sequence prediction model; actual drilling parameters in the drilling process are collected in real time and compared with predicted drilling parameters output by the model, and drilling parameter errors are determined; and dynamically adjusting the drilling parameters of the drilling machine based on the drilling parameter error. According to the method, key parameters such as the drilling pressure, the rotating speed and the slurry concentration are intelligently regulated and controlled, so that the pile foundation construction efficiency and the hole forming quality in the complex soft soil stratum are improved, the construction risk is reduced, and the engineering safety is ensured.

The invention relates to a drill jamming early warning method and system based on a multistage model. Working state parameters in the drilling period are obtained and preprocessed; the torque, the rotating speed, the hook load and the riser pressure in the preprocessed working state parameters serve as input samples, reconstructed samples are obtained through the trained Bi-LSTM auto-encoder model, and if the error between the reconstructed samples and the input samples is larger than a set threshold value, drilling is abnormal; under the condition that well drilling is abnormal, the preprocessed working state parameters, bit pressure, pipe column information, well track and well body structure information serve as input of a friction torque-hydraulic model, predicted values of torque, hook load and riser pressure are obtained, the deviation between the predicted values and corresponding actual values is calculated, and the deviation of the predicted values is calculated; and according to the ratio of the deviation value to a set threshold value, determining a corresponding drill jamming early warning grade. A Bi-LSTM auto-encoder and a friction torque-hydraulic model are utilized to form a two-stage drilling tool jamming early warning method, data driving and mechanism modeling are combined, and the early warning accuracy is improved.

The invention discloses a drilling parameter optimization and downhole working condition determination method, device, equipment and medium, and relates to the field of long horizontal section shale gas complex stratum drilling, and the method comprises the following steps: calculating hydraulic energy, and constructing a hydraulic mechanical specific energy model based on the hydraulic energy and a mechanical specific energy original model; the actual drilling parameters are substituted into a specific energy base line calculation formula to obtain a specific energy base line, and the rock compressive strength is determined; by adopting a method of firstly reducing and then increasing the bit pressure and firstly reducing and then increasing the rotating speed, realizing drilling parameter optimization by utilizing the compressive strength of the rock, and drawing a mechanical specific energy trend line; and judging whether the mechanical specific energy trend line and the specific energy base line are in a linear relationship, if not, determining a mechanical drilling speed increase proportion by utilizing the mechanical specific energy trend line, and determining the underground working condition based on the mechanical drilling speed increase proportion. The method can diagnose the underground abnormal working condition, is close to an actual drilling site, improves the drilling site operation guiding effect, increases the long horizontal section shale gas drilling single well profit level, shortens the well building period, and reduces the drilling cost.

The invention discloses a variable-diameter two-stage drill bit suitable for viscoplastic stratums and a well drilling method, and belongs to the technical field of petroleum and natural gas well drilling engineering.The variable-diameter two-stage drill bit comprises a drill bit body; a plurality of reaming blades are arranged on the side face of the bit body, a force storage spring is arranged at the bit end of the bit body, and a pilot bit body is arranged at the other end of the force storage spring. The reaming blades are in sliding fit with the drill bit body, and the reaming blades are in sliding fit with the pilot bit body in the radial direction of the drill bit body. When the force storage spring pushes the pilot bit body to be away from the bit body, all the reaming blades move inwards in the radial direction while axially moving along with the pilot bit body; and when the pilot bit body compresses the force storage spring to get close to the bit body, all the reaming blades move outwards in the radial direction while axially moving along with the pilot bit body. Under the cooperation of bit pressure, the reaming cutter wings can stretch out or retract, and the diameter of the drill bit can be automatically adjusted; the overall structure is simple, and the reliability is high.

The invention discloses a rock drillability grade prediction method based on fixed bit pressure, and the method comprises the following steps: 1, carrying out fixed bit pressure drilling, and obtaining an actual measurement relation curve between the rock breaking depth and the drilling time; 2, according to the relation between the contact area of the drill bit teeth and the rock and the drilling depth, the relation between the drilling depth and the rock breaking volume of the drill bit is obtained; according to the relation between the drilling depth and the rock breaking volume of the drill bit, a theoretical relation curve between the rock breaking depth and the drilling time is obtained; 3, fitting the actual measurement relation curve and the theoretical relation curve to obtain the rock breaking volume in unit time; 4, obtaining the rock breaking time according to the rock breaking volume per unit time obtained in the step 3; obtaining a corresponding rock drillability grade according to the rock breaking time; while the rock drillability grade is accurately deduced and predicted, the number of experimental groups for drillability grading is effectively reduced, the experimental process is simplified, and the rock core and measurement time is saved.

The invention relates to a controllable variable-diameter stabilizer for petroleum drilling and an application method.The controllable variable-diameter stabilizer for petroleum drilling comprises an electric mechanical driving module, an intelligent control module, a sensor feedback module and a communication module, and the electric mechanical driving module receives an instruction from the intelligent control module through an electronic signal; adjusting the outer diameter of the driving stabilizer; the intelligent control module receives data from a ground sensor or an underground sensor, calculates underground working conditions in real time and automatically adjusts the outer diameter of the stabilizer; the sensor feedback module is used for monitoring key parameters such as the posture of a drilling tool, a well track and bit pressure; the hydraulic auxiliary module and the electric mechanical driving module work cooperatively to provide dual assurance; the communication module is responsible for data transmission between an underground control center and a ground control center. According to the stabilizer, the performance of the stabilizer in the oil and gas drilling process is remarkably improved, the efficiency in the oil and gas drilling process is greatly improved, accurate and efficient outer diameter self-adaptive adjustment is achieved, and the safety and efficiency in the drilling process are remarkably improved.

The invention discloses a rescue drilling machine multi-model predictive control method for complex stratum drilling. The method comprises the following steps that a bit pressure control system model of a rescue drilling machine with voltage as input and bit pressure as output is established for each stratum based on a finite element method; performing rigid-flexible mode separation on the bit pressure control system model of each stratum based on a frequency domain analysis method, and establishing a reduced-order model of the bit pressure control system model of each stratum; a corresponding feeding damping coefficient is determined under each stratum, the multiple stratums are in one-to-one correspondence with the multiple order reduction models, and each stratum is provided with a controller in advance; and when the stratum condition changes, the corresponding controller is switched to predict and control the bit pressure according to the stratum condition. According to the method, the formation change can be quickly responded, and the bit pressure is adjusted to keep the stability and efficiency of the drilling process, so that the bit pressure can be always stabilized within the safety range of the set value under different formations.

A drilling system and techniques for managing dynamic load during drilling operations. The system includes a drilling device prone to propagate a dynamic load such as vibration and / or shock during drilling and electronics that may be susceptible to such dynamic loads. Thus, a control unit is provided that is configured for communications with both the electronics and with equipment directing the drilling operations. The unit also accommodates processing for directing the operations in terms of adjustment to drilling device rpm and / or weight on bit as applied to the device depending on monitoring of the dynamic load and in light of certain dynamic thresholds. Thus, real-time operational adjustments may be made to avoid dynamic load damage to electronics while maintaining efficient drilling operations.

A method of monitoring the wear of a drill bit of a drilling system is provided. The method includes drilling into a formation using the drill bit of the drilling system, obtaining a weight-on-bit (“WOB”) from sensors of the drilling system, and obtaining a torque-on-bit (“TOB”) from the sensors of the drilling system. A bit damage indicator (“BDI”) is determined that is correlated with the wear of the drill bit based on a relationship between the WOB and the TOB.

The invention relates to the technical field of drilling pressure of extended reach wells, in particular to a drilling pressure auxiliary stabilizing propeller applied to fixed operation of extended reach wells. A plurality of groups of auxiliary guide assemblies, abutting position limiting assemblies and protective plates are arranged on the outer side of the outer protective cylinder in an annular array mode with the circle center of the outer protective cylinder as the center; compared with the prior art, all-directional stability of the drilling tool is achieved through cooperation of all the assemblies, the main abutting plate and the auxiliary abutting plate are matched with the hydraulic push rod, the drilling tool can adapt to + / -5% borehole diameter change, the tripping frequency is reduced, supporting and moving are adjusted through the hydraulic push rod and a motor according to the hardness of a stratum, and the drilling pressure transmission efficiency is improved; the limiting guide wheel is driven by the hydraulic push rod, so that resistance can be reduced, the self-adaption to the borehole curvature is realized, and the stress concentration condition is avoided.

A simulation operating system for a coiled tubing drilling rig model. The system comprises: an injector head pointing unit (100), which is used for acquiring a pointing parameter and a pointing instruction; a drilling rig traveling unit (200), which is used for acquiring a traveling parameter and a traveling instruction; a drilling-rig drilling unit (300), which consists of an injector head chain-roller module (310), a borehole trajectory module (320) and a drilling control module (330), wherein the injector head chain-roller module (310) is used for modifying parameters of an injector head chain-roller model, the borehole trajectory module (320) obtains a borehole trajectory curve on the basis of the injector head chain-roller model and borehole trajectory parameters, and the drilling control module (330) is used for acquiring drilling parameters and a drilling instruction, determining a drilling pressure, a drilling speed, a coiled tubing gripping force and a coiled tubing injection force during a simulated drilling process on the basis of the drilling parameters, and controlling the start and stop of the simulated drilling process on the basis of the drilling instruction; and a coiled tubing drilling rig model, which simulates the operation process of a coiled tubing drilling rig on the basis of the injector head pointing unit, the drilling rig traveling unit and the drilling-rig drilling unit. The simulation operating system for a coiled tubing drilling rig model lays a solid foundation for realizing the true unmanned operation of a tubing drilling rig, and also enables a real-time operating system to achieve greater universality.

The invention discloses a drilling parameter multi-objective optimization method based on an ant colony optimization algorithm-DeepAR model, relates to the technical field of petroleum and natural gas engineering drilling parameter optimization, can predict the mechanical drilling speed in a period of time in the future, and has input and output with adaptive length. Based on a mechanical drilling speed mathematical model, a mechanical specific energy mathematical model and a drill bit wear mathematical model, a multi-objective optimization model is established on the basis of a mechanical drilling speed prediction model, an objective function is optimally solved through a multi-objective optimization algorithm, and three parameters of drilling pressure, rotating speed and displacement are optimized. An intelligent algorithm based on an ant colony optimization algorithm is adopted, and while-drilling multi-target, interactive and dynamic drilling parameter optimization is achieved. The problems that a mechanical drilling speed prediction model is poor in stability, the complex dependency relationship among long-distance drilling data parameters cannot be accurately captured, and a drilling parameter optimization objective function is single and excessively depends on a complex physical drilling speed equation are solved.

The invention relates to the technical field of petroleum and natural gas well cementation tools, in particular to a wellbore simulation device for a thrust test of a vertical drilling tool, and aims to solve the problem that the drilling efficiency is reduced due to the fact that bit pressure is reduced in order to guarantee the stability of the vertical drilling tool. The device comprises a shaft simulation system, a circulating oil charging system and a thrust monitoring system, the shaft simulation system comprises a heating cylinder, an annular oil storage space with two closed ends is defined by the pushing type vertical drilling tool and the heating cylinder, and the heating cylinder is used for heating liquid in the annular oil storage space; the circulating oil charging system is communicated with the pushing type vertical drilling tool to form a circulating loop; the thrust monitoring system includes a thrust sensor. By simulating the underground working environment and detecting the thrust through the thrust monitoring system, the drilling pressure allowed by the vertical drilling tool to keep stable work under different temperature conditions and the pressure required for balancing the drilling pressure are obtained, and therefore reliable data support is provided for increasing the drilling speed.

A drilling control system may access a drilling plan for a borehole comprising one or more of planned path for the borehole, drill string information, mud properties, drill bit properties, formation properties, and drill rig properties. The system may receive a plurality of operating parameters from a rig for the borehole including one or more of an observed toolface, a spindle setting, a rate of penetration, a differential pressure, and a weight-on-bit. The system may receive one or more propagation functions for the borehole determined by a model of the drill string. The system may determine one or more spindle changes or block speed changes based at least in part on the propagation functions and the plurality of operating parameters. The system may generate one or more predicted drill properties from a simulator using the one or more spindle changes or the one or more block speed changes.

Systems and methods presented herein facilitate coiled tubing operations, and generally relate to reduction of shock and vibrations to portions of the coiled tubing string. A device includes a first end configured to be disposed downstream of a bottom hole assembly of a coiled tubing drilling string; a second end configured to be disposed downstream of the first end and upstream of a drive of the coiled tubing drilling string; and a moveable valve configured to move from a first position to a second position to divert at least a portion of drilling fluid flow away from the drive when the drilling fluid flow is greater than a preset flow value or a weight on bit is less than a preset weight value and thereby reduce a rotation rate of the drive.

The present application discloses a downhole WOB and torque measurement method and system, which relates to the field of drilling measurement. The method sets vibration measurement sensors at both ends of the drill collar; during the drilling process, the axial acceleration and tangential acceleration of the two ends of the drill collar are measured in real time by the vibration measurement sensors; the axial relative displacement between the two end sections of the drill collar is calculated based on the axial acceleration at both ends of the drill collar; the relative angular displacement between the two end sections of the drill collar is calculated based on the tangential acceleration at both ends of the drill collar; based on the axial relative displacement between the two end sections of the drill collar, the WOB experienced by the drill collar is obtained by using the relationship between WOB and axial relative displacement; based on the relative angular displacement between the two end sections of the drill collar, the torque experienced by the drill collar is obtained by using the relationship between torque and relative angular displacement. The present application proposes a new WOB and torque measurement method, which is simple to operate, has strong anti-interference performance, and can improve the measurement stability and adaptability of downhole WOB and torque.

The present application provides a kind of formation threshold WOB and threshold torque determination method and device, belong to drilling engineering technical field, the method includes: obtaining different preset top drive speed under, in the preset WOB interval, the mechanical drilling speed, torque value and drill bit vibration parameters corresponding to different WOB value;For each preset top drive speed: based on the WOB value of the preset top drive speed and the mechanical drilling speed corresponding to the WOB value, determine the initial threshold WOB of the preset top drive speed from the WOB value;Based on the initial threshold WOB of the preset top drive speed, the torque value corresponding to the preset top drive speed is determined as the initial threshold torque of the preset top drive speed;Based on the drill bit vibration parameters corresponding to initial threshold WOB, initial threshold WOB and initial threshold torque are corrected, and formation threshold WOB and formation threshold torque are obtained.The present application has the advantages of simple calculation method, more accurate result, can effectively guide the selection of drill bit and screw rod, improve the mechanical drilling speed, and improve the rock breaking efficiency.

This invention relates to the field of exploration and development, and discloses a method, system, and equipment for quantitative analysis of friction resistance in directional drilling. The method includes: acquiring logging information and drill bit speed in the drilled section; constructing a drilling speed prediction model using the drill bit speed and the composite drilling data; determining a bottom hole pressure prediction model based on the directional drilling data and the drilling speed prediction model; combining the bottom hole pressure prediction model with the surface pressure to determine a drill string axial friction resistance model; and calculating the axial friction resistance in the real-time directional drilling process using the drill string axial friction resistance model based on the logging information and drill bit speed. The quantitative friction resistance analysis method disclosed in this application solves the problem of difficulty in accurately assessing bottom hole pressure and axial friction resistance, enabling dynamic assessment of theoretical bottom hole pressure and axial friction resistance. It allows for full-process monitoring and post-drilling analysis of sliding drilling, providing a basis for improving the bottom hole drill string load condition.

A friction manager may receive time data for hookload, weight-on-bit (WOB), and torque for a wellbore. A friction manager may use the time data for the hookload, the WOB, and the torque, identifying a section of steady-state motion in the wellbore. A friction manager may generate friction forces for the section of steady-state motion based on the time data for the hookload, the WOB, and the torque. A friction manager may adjust drilling activities based on the friction forces.

Detection technology to monitor a flare stack during drilling operations and determine information based on the imaging. Various actions may be taken based on the determined information. For example, subterranean geology may be mapped. This may include mapping formation properties, fractures, faults or reservoir zones. Additionally, drilling operational parameters may be adjusted. This may include adjusting rate of direction, penetration, weight on bit, rotary speed, mud flow rate, mud weight, actuating a valve, or changing the pump speed.

This invention belongs to the field of drilling equipment technology and discloses a PDC drill bit, including a body and multiple cutter wings. The body has flow holes for drilling fluid. Multiple cutter wings are spaced apart circumferentially on the body, and the cutter wings can slide relative to the body along its axial direction. The drilling fluid can drive the cutter wings to extend along the axial direction of the body. By enabling the cutter wings to move relative to the body along its axial direction, and by allowing the drilling fluid to drive the cutter wings to extend along the axial direction of the body, during drilling operations, the PDC drill bit drills into the formation under the drive of the drill pipe's drilling pressure. When the formation resistance experienced by the cutter wings is less than the driving force of the drilling fluid driving the cutter wings to extend, the cutter wings extend under the drive of the drilling fluid; when the formation resistance experienced by the cutter wings is greater than the driving force of the drilling fluid driving the cutter wings to extend, the cutter wings retract under the action of the formation. This allows each cutter wing of the PDC drill bit to automatically extend or retract according to its respective formation resistance, thereby effectively penetrating the formation.

The invention discloses a method and system for determining a comprehensive anisotropy index, and the method comprises the steps: measuring basic parameters which comprise a well track parameter, a drill string structure parameter and a stratigraphic dip angle parameter; according to the basic parameters, a pre-bending BHA three-dimensional mechanical model is used for calculating the drill bit deviation prevention force of the drilling tool in the drilled stratum; and taking the anti-deflection force of the drill bit under the maximum bit pressure as the deflecting force of the drilled stratum, and inverting the anisotropy index of the stratum based on the deflecting force. According to the method, the drilling characteristics and the pre-bending structure can be comprehensively considered, so that a comprehensive anisotropy index determination scheme is formed.

The invention discloses a triaxial pressure detection device, which relates to the technical field of drilling simulation detection and comprises a mounting platform. The device has the beneficial effects that by integrating the longitudinal pressure assembly, the vertical pressure assembly and the horizontal pressure assembly and by means of the universal pressure assembly on the inner sides, pressure in three mutually perpendicular directions can be independently and accurately applied to a rock sample, the real three-direction stress state of underground rock is simulated, the tunneling unit is integrated in the pressure cavity, and the tunneling efficiency is improved. Under the condition that preset triaxial pressure is maintained, a drill bit can be directly driven to drill a pressed rock, key parameters such as drilling pressure and drilling speed are monitored in real time, the limitation that traditional rock detection equipment can only conduct uniaxial loading is overcome, and longitudinal, vertical and horizontal triaxial synchronous and multi-angle real pressure environment simulation and in-situ drilling testing are achieved.