38 results about "Fracture control" patented technology

The invention discloses a digital modular low-voltage intelligent switch cabinet which is applied to the technical field of switch cabinets, a fixing device is arranged between a working module and a connecting interface, meanwhile, the fixing device is protected through a fixing arm, and when the connecting interface and a connecting joint are subjected to force in the non-vertical direction, the connecting interface and the connecting joint are fixed through the fixing arm. The force in the limit horizontal direction borne by the connecting interface and the connecting joint is controlled through breakage of the fixing arm, the connecting interface and the connecting joint are protected through the fixing arm, the replacement cost and difficulty are reduced, the connecting interface and the connecting joint are not prone to deformation, and subsequent normal use is not prone to being affected; meanwhile, a locking device and a limiting ring are introduced to support a connecting interface, so that the fixed arm is not prone to fracture and failure in advance, the reliability of the working module and the detection module in the using process is greatly improved, the fixed arm is not prone to frequent fracture, and frequent maintenance work is not needed.

The invention discloses a fracturing control method for tunneling roadway surrounding rocks in a near-distance coal seam excavation working area, which comprises the following steps of: calculating a working area stress superposition influence range when near-distance coal seam excavation is performed oppositely, and arranging fracturing drill holes to carry out fracturing stress transfer on a top plate and an interlayer hard rock stratum in the excavation working area. In the excavation drift stress superposition influence range, an overlying hard roof is cut off through fracturing of an upper coal seam working face mining roadway, the weighting step pitch and weighting strength of roof fracture are reduced, and the mining-induced stress transmitted to a lower coal seam tunneling roadway is reduced; the interlayer hard rock stratum is fractured and cut off in the lower coal seam track high drainage roadway to block stress transfer, mining-induced stress superposition of upper coal seam working face stoping and lower coal seam roadway tunneling is weakened, and the stress concentration degree of a mining drift area is reduced. According to the method, the influence of mining-induced stress superposition in a near-distance coal seam mining intersection area on lower coal seam roadway tunneling and upper coal seam working face mining roadway is reduced, and normal mining of an upper coal seam working face and normal tunneling of a lower coal seam working face roadway are guaranteed.

The invention discloses a natural gas reservoir refracturing yield increasing method and application thereof, and relates to the technical field of unconventional oil and gas development yield increasing. The unconventional natural gas reservoir refracturing yield increasing method comprises the steps that a cover layer horizontal well is drilled below an original horizontal well of a reservoir; supercritical CO2 fracturing is conducted in the cover layer horizontal well to form an artificial fracture, re-fracturing is conducted on the original reservoir horizontal well to enable the fracture to extend and expand to be communicated with the artificial fracture of the cover layer horizontal well, supercritical CO2 in the cover layer horizontal well is diffused into the reservoir, and natural gas in the reservoir is displaced into the original reservoir horizontal well; and after natural gas in the original horizontal well of the reservoir is further exploited, the original horizontal well of the reservoir is closed, CO2 gas continues to be injected into the horizontal well of the cover layer, and the horizontal well of the cover layer is closed after injection operation is completed. The method is simple in operation process, low in implementation cost and remarkable in yield increasing effect, the problems that in existing unconventional natural gas reservoir fracturing, the artificial fracture coverage area is small, the fracture control range is insufficient and the like can be solved, and meanwhile effective technical support can be provided for unconventional natural gas extraction and CO2 geological sequestration.

The present application relates to the technical fields of mining roadway crack control, in particular to a locking device for mining roadway crack control, comprising a support frame, each end of the support frame is provided with a control device, the control device comprises a control rod, a worm, a hinged column, a concave seat, a T-shaped disc, a door-shaped frame and a hinge joint, one end of the control rod is fixedly connected with the worm, the other end of the control rod is fixedly connected with the hinged column, the control rod is provided with the concave seat at one end, and the hinged column is arranged in the concave seat, the locking device is designed to realize the effect of pressurizing and fixing the roadway wall, avoid the extension of the crack, and the whole locking device is convenient and fast to install, meets the demand of quick and flexible layout in the mining roadway, and is stable and powerful.

A method of disconnecting an electrical connection between a control module included in a medical liquid infusion apparatus and an internal device electrically connected to the control module, the method includes: bringing a tool into contact with a fracture portion formed to protrude outward from one side of the control module and having a control line formed therein; applying, by the tool, an external force to the fracture portion to fracture the fracture portion; and fracturing the control line by fracturing the fracture portion to disconnect the electrical connection between the control module and the internal device.

The application provides a kind of steep slope outside fracture control type landslide disaster mechanism analysis test method, belongs to geological disaster analysis technical field, solve the problem that traditional single analysis test method is difficult to comprehensively reveal steep slope outside fracture control sliding mode and disaster mechanism. It includes using geological model, mechanical model, numerical model and physical model to comprehensively analyze and test the disaster mechanism of steep slope outside fracture control type landslide, realizes the consistency test of multi-technical means integration and analysis test result, reveals the disaster mechanism of steep slope outside fracture control type landslide under the action of static force and dynamic force in tectonically active mountain area, provides technical support for disaster prevention and mitigation and risk prevention and control of tectonically active mountain area geological disasters.

The invention belongs to the technical field of shale oil reservoir transformation, and discloses a method and equipment for reducing shale oil horizontal well fracturing construction difficulty and a storage medium, and the method comprises the steps: S1, obtaining a reservoir, fluid, a proppant and basic data of a fracturing construction model of a target block; s2, obtaining fracturing construction parameters of each construction stage of the target block; s3, a hydraulic fracture control equation is established, and the pumping pressure during construction is calculated; s4, in combination with rock physical parameters and fracturing construction parameters, a hydraulic fracture and bedding surface interaction criterion chart is established, and a hydraulic fracture and natural fracture interaction control mechanism is obtained; and S5, according to the pump injection pressure during construction and a hydraulic fracture and natural fracture interaction control mechanism, pump injection programs under different well trajectories are optimized, and fracturing design is guided. According to the method, the construction difficulty of the well trajectory abnormal section can be effectively reduced, the risk of complex construction conditions is reduced, fracturing design is guided, operation is easy, the result is reliable, and repeatability is achieved.

The invention discloses a fracturing method and device based on pulse gas-liquid compounding, a storage medium and equipment, relates to the technical field of coal seam mining, and mainly aims to solve the problem of low fracturing effectiveness of an existing soft low-permeability coal seam. The method mainly comprises the steps that according to gas fracturing control parameters which are fed back and adjusted in real time, a pulse gas generator is controlled to conduct gas fracturing on a target operation area in a three-level independent ignition pulse mode, so that a main fracture network is formed; according to the real-time fracturing data after the main fracture network is formed, at least one fracturing weak response area and hydraulic fracturing control parameters of the fracturing weak response area are recognized, the jet device is controlled through the hydraulic fracturing control parameters, directional hydraulic fracturing is conducted on the fracturing weak response area, and a secondary fracture network is formed; and after hydraulic fracturing of the fracturing weak response area is completed, the injection allocation valve set is controlled to inject a supporting mixture into the main fracture network and the secondary fracture network. The device is mainly used for fracturing coal seams.

The invention discloses a fracturing and packing integrated tool assembly, and belongs to the technical field of downhole tools for oil and gas fields. The device comprises an upper fracturing control unit, a sliding sleeve reset unit and a packer unit which are sequentially connected from top to bottom; the upper fracturing control unit comprises an upper connector, a sand blasting sliding sleeve and a nozzle, the upper connector is connected to the upper end of the sand blasting sliding sleeve, and the nozzle is contained in an inner cavity of the sand blasting sliding sleeve; the sand blasting sliding sleeve and the nozzle are both provided with corresponding side holes, and are provided with a sealing mechanism which can be controlled to move and is used for opening and closing a fracturing channel formed by the side holes; the sliding sleeve resetting unit comprises a cylinder barrel and an elastic element arranged in the cylinder barrel; the packer unit comprises a central pipe and a rubber sleeve arranged on the central pipe in a sleeving mode. And the sealing mechanism can be driven to compress the elastic element and move by putting a fracturing ball into a central flow channel formed by the upper joint, the nozzle, the sealing mechanism and the central pipe and pressurizing. The device is compact in structure, multi-section fracturing can be completed through one-time well descending, and the construction efficiency is higher.

The present application relates to the field of blasting technology, especially to a center-loading double-layered cutting seam pipe device and construction method suitable for roadway engineering. The device comprises an energy-gathering cutting seam pipe body, a positioning meniscus and a grooved cork. The device can be made and constructed on site, and is easy to operate. The compression of the rigid spring is conducive to the loading of the double-layered cutting seam pipe device into the blast hole. When the cutting seam pipe reaches the appropriate position, the rebound of the rigid spring fixes the double-layered cutting seam pipe device at the center position of the blast hole, preventing eccentricity. By selecting PVC pipes of different diameters to make the energy-gathering cutting seam pipe body and selecting rigid springs of different lengths, the center-loading double-layered cutting seam pipe device can be applied to blast holes of different diameters. The energy-gathering cutting seam pipe body is provided with an energy-gathering cutting seam. Directional fracture controlled blasting promotes the crack propagation in the direction of the energy-gathering cutting seam and inhibits the crack propagation in the direction of the non-energy-gathering cutting seam, so that directional cracks are formed in the direction of the blast hole line, reducing the damage to the surrounding rock.

This invention relates to an integrated fracturing and packer tool assembly, belonging to the field of downhole tools technology for oil and gas fields. The assembly comprises, from top to bottom, an upper fracturing control unit, a sliding sleeve reset unit, and a packer unit. The upper fracturing control unit includes an upper connector, a sandblasting sliding sleeve, and a nozzle. The upper connector is connected to the upper end of the sandblasting sliding sleeve, and the nozzle is housed within the inner cavity of the sandblasting sliding sleeve. Both the sandblasting sliding sleeve and the nozzle have corresponding side holes and a controllable sealing mechanism for opening and closing the fracturing channel formed by the side holes. The sliding sleeve reset unit includes a cylinder and an elastic element disposed therein. The packer unit includes a central tube and a rubber sleeve fitted onto the central tube. By inserting a fracturing ball into the central flow channel formed by the upper connector, nozzle, sealing mechanism, and central tube and applying pressure, the sealing mechanism can be driven to compress the elastic element and move. This invention features a compact structure, enables multi-stage fracturing in a single well setup, and achieves higher construction efficiency.

The invention relates to the technical field of oil and gas exploitation equipment. The intelligent staged fracturing control device for the shale gas horizontal well comprises a fracturing fluid mixing and stirring cavity, and a driving device drives a stirring block to mix fracturing fluid and an additive; the top executing mechanism comprises a modular hydraulic driving system, a sliding sleeve mechanism and a hydraulic actuator, and accurate switching of fractured well sections is achieved; the outer end adjusting device and the pressure adjusting valve cooperatively adjust and control flow and pressure; wherein the fixing device is used for fixing a pipeline through the clamping mechanism; and a rotating assembly of the multi-section spray head device drives the spray head to radially extend and adjust the angle. The device can improve the mixing efficiency of the fracturing fluid, guarantee stable pressure and flow, avoid pipeline displacement and fracturing fluid channeling, and improve the reservoir fracture forming precision and the shale gas exploitation efficiency.

The invention discloses a strike-slip fracture control carbonate rock fracture-cavity reservoir fluid discrimination device and method. The device comprises a data acquisition module, a data preprocessing module, a strike-slip fracture construction module, a feature dimension reduction module and a fluid discrimination module. Wherein the data acquisition module is used for acquiring seismic data, multi-type logging data and oil testing results of multi-type logging; the strike-slip fracture construction module is used for constructing a reservoir model and determining a fluid gathering target region based on the reservoir model; the data preprocessing module is used for preprocessing the logging parameter data of the fluid gathering target area; the feature dimension reduction module is used for screening features by using a filtering method and a wrapping method and carrying out data dimension reduction; and the fluid discrimination module is used for constructing a sample set and discriminating the fluid property of the fractured-vuggy carbonate reservoir by using a cost-sensitive learning method. According to the method, the judgment precision is improved by considering the cost difference of misjudgment of different fluid types.

The utility model discloses a fault fracture expansion speed measuring device which comprises an objective table, a hydraulic machine, a high-speed camera, a positioning transmitter and a control system, a pressing plate is fixed at the telescopic end of the hydraulic machine, and the pressing plate can apply fracture pressure to a sample placed on the objective table according to a Brazilian splitting test mode under the driving of the hydraulic machine. The high-speed camera is installed on an objective table on the front side of the hydraulic machine, the positioning emitter is installed in the center of the pressing plate and determines the position of a sample on the objective table through vertical light rays emitted by the positioning emitter, and the high-speed camera, the positioning emitter and the hydraulic machine are all connected with the control system. The hydraulic machine is adopted to drive the pressing plate to apply fracture pressure to the sample, fracture control over the large sample is achieved, meanwhile, the fracture process of the fault sample is monitored through the high-speed photography technology, monitoring and recording of the fracture process are visually and accurately achieved, and obtained data are more accurate; and the calculation accuracy of the fault extension speed is improved.

The invention relates to the technical field of fracturing top cutting, and discloses an end hydraulic fracturing top cutting method and device and a medium, and the method comprises the steps that a top plate of a coal mine tunnel is drilled according to the preset depth, angle and distance between drill holes, and a top plate drill hole is obtained; fracturing parameters are set according to the top plate drill hole, a working face hydraulic system is used for conducting drill hole fracturing according to the fracturing parameters, and drill hole environment parameters during drill hole fracturing are detected; and based on the drilling environment parameters, drilling fracturing control is conducted on the top plate drilling holes till fracturing of all the top plate drilling holes of the top plate is completed. According to the method, additional allocation, carrying and debugging of the special high-pressure pump station can be avoided, and the end hydraulic fracturing top cutting efficiency is improved. And drilling and fracturing control is carried out through drilling environment parameters during drilling and fracturing, so that the safety of hydrofracture top cutting of the end is improved.

The invention discloses a composite material fracture energy calculation method considering reinforcement-matrix interface dispersion. The method comprises the following steps: S1, establishing a matrix internal crack fracture energy model; s2, establishing a reinforcement-matrix interface fracture energy model; s3, establishing a composite material fracture control equation model; s4, correcting the critical energy release rate of the composite material; and S5, performing finite element discretization on an interface phase field, a displacement field and a crack phase field in the composite material fracture control equation, performing increment iteration, and calculating the crack propagation condition in the composite material considering interface dispersion. By adopting the phase field model and utilizing the advantage that the phase field model can realize microcosmic-macroscopic multi-scale simulation, the interface attribute in the composite material is associated with the matrix attribute, that is, the fracture attributes such as interface crack propagation in the composite material under the load action are dispersed into the surrounding matrix in the form of a continuous exponential function; and a mechanical model for more accurately predicting the mechanical behavior and fracture evolution of the composite material is established.

This invention relates to the field of mine safety and rock strata control technology, specifically to a safe decompression method for long-bore directional hydraulic fracturing in hard rock strata. First, based on the geological conditions, geostress, and mechanical parameters of the target hard rock strata, the design parameters for the long directional borehole are determined. Then, directional drilling combined with a drilling-while-guided system is used to ensure precise borehole positioning within the target rock strata. A segmented isolation device is lowered to form a high-pressure sealed chamber. According to the design parameters, a retreating fracturing process is used to fracture segment by segment, initiating fractures and extending them to the far field. Finally, the fracturing effect is verified through real-time monitoring to complete safe decompression. This invention is a spark-free, low-vibration static operation with no toxic gas generation, ensuring high safety. It can transform the overall impact collapse of rock strata into a layered, small-step, stable collapse, resulting in excellent fracturing control. The use of multi-segment fracturing within a single borehole reduces drilling site and equipment relocation, lowers treatment costs, and is suitable for decompression treatment of hard rock strata in underground coal mines, ensuring safe mine production.

Disclosed is a vehicle-mounted high-energy laser-induced rock fracturing control system and method. The method includes: acquiring, by a second image acquisition and analysis unit, surrounding environment information of an electric flat cart; generating, by an electric flat cart control unit, a first control command; controlling the electric flat cart to move to a designated rock crushing position; acquiring, by a first image acquisition and analysis unit, the type of the rock to be crushed, and acquiring real-time condition information of laser-induced rock fracturing after activating a laser emission unit; acquiring, by a laser control unit, a laser emission parameter corresponding to the current type of rock to be crushed, adjusting the laser emission parameter, and generating a second control command according to the laser emission parameter; and controlling the laser emission unit to activate to emit a laser to fracture the rock.

The present application belongs to the field of unconventional oil and gas reservoir stimulation, and particularly relates to a shale reservoir casing deformation prevention fracturing construction method, comprising the following steps: S1, establishing a fracturing pre-horizontal well casing deformation risk evaluation mathematical model; S2, optimizing fracturing parameter design of the horizontal well casing deformation risk section; S3, establishing a horizontal well section multi-cluster fracturing fracture complex extension mode identification model; S4, optimizing temporary plugging and fracture control materials in the horizontal well section multi-cluster fracturing fracture and fracture mouth; S5, establishing a dynamic regulation and control strategy for preventing horizontal well casing deformation in the fracturing process. The present application performs static risk evaluation on the fracturing section where casing deformation may occur before fracturing, dynamically predicts and regulates casing deformation in the fracturing process based on horizontal well fracturing fracture complex extension mode identification, and comprehensively reduces the risk of casing deformation through static parameter design before fracturing and dynamic construction adjustment in the fracturing process, thereby improving the shale reservoir stimulation effect.

The utility model relates to the technical field of control arms, and discloses a high-strength anti-fracture control arm which comprises metal sheets, reinforcing plates are vertically and fixedly connected in the metal sheets at equal intervals, damping assemblies used for releasing stress of the metal sheets are arranged between the metal sheets, and second connecting sheets are fixedly connected to the outer walls of the metal sheets. A second reset spring is connected into the second connecting piece in a sleeved mode, pressing sliding blocks are arranged on the two sides of the second reset spring, and through the arrangement of the damping assembly, compared with a traditional control arm, when the control arm is impacted by external force, after the control arm is affected by the external force, the control arm is not affected by the external force; the first connecting piece extrudes the first reset spring towards the second connecting piece, the first reset spring can rapidly absorb and store part of energy and convert impact force into elastic potential energy of the spring, meanwhile, the positioning block continuously extrudes the second reset spring through the connecting rod set and the pressing sliding block, and the second reset spring also plays a buffering role.

The invention relates to a fracturing control method for slotting equipment. The fracturing control method comprises the steps that initial slotting parameters are determined according to stratum characteristic information, oil and gas distribution information and preset yield increase demand information of a target reservoir; constructing a slotting simulation model according to a preset slotting fracturing data set, the stratum characteristic information and the oil and gas distribution information; according to the initial slotting parameters, slotting equipment is controlled to operate, and key parameter information of a fracturing point is obtained; iterating the slotting simulation model according to the key parameter information of the fracturing point; performing fracturing simulation on the initial slotting parameters according to the optimized slotting simulation model to obtain slotting fracturing simulation parameters, and determining a plurality of target slotting fracturing points according to the slotting fracturing simulation parameters; according to the slotting and fracturing simulation parameters and the multiple target slotting and fracturing points, simulation calibration is conducted on the initial slotting parameters to obtain slotting correction parameters, and fracturing control is conducted on slotting equipment. The defect that the fracturing effect is poor due to the fact that complex and changeable geological conditions of the high-temperature reservoir are difficult to adapt is overcome.

The application provides a pre-seam-creating seam-controlling high-pressure fracturing process under low reservoir-separator stress difference and application. The pre-seam-creating seam-controlling high-pressure fracturing process under low reservoir-separator stress difference is applied to X14 well, and the seam height in the reservoir of the X14 well is controlled to be 14-20 m, and seam height control effect is good; the well is opened and flowback for 8.5 hours after being pressurized, and ignition is successful, and the highest daily production after production reaches 2.61x10 4 m 3 / d, the converted average daily production is 1.91x10 4 m 3 / d, compared with adjacent wells, the daily production is increased by 154%, and good seam height control and production increasing effect are achieved.

The invention relates to a directional perforation-pulsation fracturing cooperative crack control device and a perforation method. The directional perforation-pulsation fracturing cooperative crack control device can achieve cooperative crack control operation of directional perforation and well bottom pulsation fracturing by descending a well once. The device comprises an upper tool connector, a directional perforation assembly, a connecting short section, a pulse generator, a packer assembly and a lower tool connector. The directional perforation assembly comprises an outer shell, a gun barrel, a detonating and detonating system connected with the gun barrel and an orientation measuring and guiding mechanism, a plurality of perforations are formed in the outer shell in the circumferential direction, and perforation channels are matched with a targeted crack plane so that a weak plane zone facilitating crack initiation along the target plane can be constructed near a shaft; the pulse generator comprises a stepping motor, a rotary valve, a frequency converter and a flow stabilizing section. The problems that in the prior art, the shale oil horizontal well crack initiation orientation is difficult to control, the crack form is single, fracturing section transformation is not uniform, and multiple times of tubular column tripping are needed in perforation and fracturing operation are solved.

The application discloses a kind of based on pulse gas-liquid complex fracturing method and device, storage medium, equipment, it is related to coal seam mining technical field, main purpose is to solve the problem of low effectiveness of existing soft low-permeability coal seam fracturing.It mainly includes gas fracturing control parameters adjusted according to real-time feedback, controls pulse gas generator to carry out gas fracturing on target operation area in three-stage independent ignition pulse mode, to form main fracture network;According to the real-time fracturing data after main fracture network formation, at least one weak response zone of hydraulic fracturing control parameter and hydraulic fracturing control parameter of weak response zone are identified, and jet flow device is controlled with hydraulic fracturing control parameter, to carry out directional hydraulic fracturing to weak response zone of fracturing, to form secondary fracture network;After completing hydraulic fracturing to weak response zone of fracturing, control injection valve group and support mixed agent are injected into main fracture network and secondary fracture network.It is mainly used for fracturing to coal seam.

The invention relates to the technical field of crossing of oil and gas drilling engineering and artificial intelligence, and provides a drilling fluid leakage pressure prediction method and device based on local fracture control, and the corresponding method comprises the steps: collecting vibration data of a drilling tool through an underground measuring instrument in a drilling process; determining a working condition of the drilling tool according to the vibration data and a pre-generated working condition determination model of the drilling tool, and uploading the working condition to a well; wherein the working condition determination model is arranged underground and is generated by a deep learning algorithm, the weight of a full connection layer of the working condition determination model and the weight of an attention head are subjected to structured pruning, and redundant neurons and the attention head in a preset proportion are removed. According to the method provided by the invention, real-time, in-situ and intelligent diagnosis can be carried out on the vibration working condition of the drill string.

The invention relates to the technical field of petroleum perforation operation, and provides a shaft crack control method and system for petroleum perforation operation, and the method comprises the steps: collecting the spatial position of a perforation cluster of the petroleum perforation operation, calculating the shadow intensity value of the perforation cluster, selecting a standard perforation cluster, calculating the closing pressure increment, and calculating the net pressure compensation amount of the perforation cluster; the sequence of fracturing the perforation clusters in sequence is determined, high-compensation clusters are screened, the specific fracturing process is determined, a temporary plugging agent is put synchronously, and fracturing of the perforation clusters is completed; the method comprises the following steps: collecting a pumping pressure curve in a fracturing process, collecting backflow particle concentration in the fracturing process and after fracturing pump stop, positioning a microseism event, combining the pumping pressure curve and the backflow particle concentration, judging whether a high compensation cluster is activated or not, if so, judging that the operation reaches the standard, and if not, reversely updating a calibration coefficient. According to the invention, shaft crack control of petroleum perforation operation can be realized.

This invention discloses a well completion assembly and an associated method for enhanced hydraulic fracturing control in single or multiple production zones. The well completion assembly utilizes a dual-casing architecture comprising: (i) a primary load-bearing inner casing maintaining wellbore structural integrity, and (ii) a formation-engaged outer casing configured to optimize stress field modulation. Computational modeling demonstrates a reduction in formation breakdown pressure through controlled casing stiffness reduction.

The application discloses a kind of digital modular low-voltage intelligent switch cabinet applied to switch cabinet technical field, by setting fixing device between work module and connecting interface, simultaneously by fixed arm, fixing device piece is protected, when connecting interface and connecting terminal are subjected to non-perpendicular direction force, the limit horizontal force that connecting interface and connecting terminal are subjected to is controlled by the fracture of fixed arm, connecting interface and connecting terminal are protected using fixed arm, reduce replacement cost and difficulty, so that connecting interface and connecting terminal are not prone to deformation, not prone to affect subsequent normal use, simultaneously by introducing locking device and limiting ring, connecting interface is supported, so that fixed arm is not prone to early fracture failure, greatly increase the reliability of work module and detection module use process, so that fixed arm is not prone to frequent fracture, frequent maintenance work is not needed.

This invention relates to the field of coal mine rockburst prevention and rock mechanics control technology, specifically to an intelligent stationary hydraulic fracturing and pressure relief system and method for deep roadways based on active blocking of stress-induced disaster links. The system includes the following steps: S1, installing a fracturing tube, a sealing capsule, and a stress sensor in a deep borehole to collect borehole wall pressure and generate stress gradient and peak migration results; S2, identifying the stress evolution trend based on the results, determining the risk core area and target fracturing section; S3, generating fracturing parameter control results based on the target fracturing section and forming fracturing control commands; S4, implementing borehole sealing and high-pressure fracturing to form a fracture zone according to the commands, and comparing and verifying the pressure before and after fracturing. If the requirements are not met, updating the parameters and reinforcing fracturing. This invention achieves accurate identification and active blocking of stress-induced disaster links in deep surrounding rock, thereby improving the real-time performance, accuracy, and reliability of the pressure relief process.