155 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.

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 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.

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.

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.

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.

The invention belongs to the technical field of oil and gas resource drilling engineering, and provides a drill bit while-drilling engineering parameter measuring device, method and equipment and a storage medium. The first measurement and control assembly is mounted on the corner shell; the second measurement and control assembly is mounted on the drilling tool lower main shaft; the power supply unit comprises an energy transmitting antenna and an energy receiving antenna; and the antenna unit comprises a first communication module mounted on the corner shell and a second communication module mounted on the lower main shaft of the drilling tool. The measurement and control method of the device can combine measured bit pressure torque bending moment parameters, compare and analyze time-frequency characteristics of two groups of three-axis acceleration and rotating speed data, evaluate the absorption effect of the screw drill on abnormal vibration such as high-frequency torsion and the like, solve the monitoring and evaluation problem of high-frequency torsion at a drill bit, and improve the working efficiency. The method is of great significance in optimizing drilling parameters and improving the rock breaking efficiency of the drill bit.

The invention discloses a negative pressure suction and powerful embedding anchoring system, which relates to the technical field of underwater navigation objects, and comprises a plurality of suction cups, a suction cup power suction pump and a plurality of powerful anchor nails, a plurality of suckers are embedded in the front end face of the sucker shell and are connected with the sucker power suction pump parent body through a negative pressure suction pipe and a four-way valve; the sucker power suction pump matrix is positioned in the sucker shell; the powerful anchor is embedded in the suction cup in a sliding mode, the powerful anchor comprises an anchoring bullet and a powerful anchor electric trigger, the anchoring bullet is arranged at the front end of the powerful anchor electric trigger, a steel cable is connected to the anchoring bullet, and the other end of the steel cable is fixedly connected with a suction cup shell. The purposes of preliminary stabilization and semi-permanent fixing are achieved, the functions of negative pressure suction and powerful embedded anchoring are achieved, and enough bit pressure is provided for an independently-feeding double-drill-bit torque self-balancing drilling system, so that the double-drill-bit torque self-balancing drilling system rapidly drills to form holes.

The invention relates to a dynamic cooperative control method and system for static sounding equipment, drilling equipment and a ship. The dynamic cooperative control method comprises the steps that the static sounding equipment collects stratum parameters of stratums of all depths in real time, and ship posture monitoring equipment collects the real-time rolling angle of the ship; calculating target drilling parameters according to the formation parameters, wherein the target drilling parameters comprise target drilling pressure and target rotating speed; the drilling equipment collects real-time drilling parameters, wherein the real-time drilling parameters comprise real-time drilling pressure and real-time rotating speed; and the drilling equipment is dynamically adjusted until the difference value of the target drilling parameter and the real-time drilling parameter is within a set error range, and meanwhile, the real-time rolling angle of the ship body is within a set safety threshold value. According to the invention, a multi-source data real-time fusion mechanism is constructed, and dynamic cooperative control is carried out on the stratum parameters obtained by the static sounding equipment, the drilling parameters obtained by the drilling equipment and the rolling angle obtained by the ship attitude monitoring equipment, so that the static sounding equipment, the drilling equipment and the ship are integrated, and the quality and efficiency of geological exploration are remarkably improved.

The invention provides an anchor rod drilling machine self-adaptive drilling control method and device based on constant bit pressure. According to the method, self-adaptive constant drilling is achieved by obtaining operation parameters of an anchor rod drilling machine during drilling; based on a fuzzy PID control method, first self-adaptive feedback parameters of the jumbolter are calculated through the jumbolter operation parameters; on the basis of a feed-forward compensation method, second self-adaptive feedback parameters of the jumbolter are calculated through the jumbolter operation parameters; based on the first self-adaptive feedback parameter and the second self-adaptive feedback parameter, self-adaptive drilling feedback parameters of the jumbolter are determined; according to the self-adaptive drilling feedback parameters, feedback current of a drilling box feeding electromagnetic valve of the jumbolter is adjusted, so that self-adaptive drilling control over the jumbolter is achieved. By means of the method, rock stratum changes can be predicted, the control strategy can be adjusted in a self-adaptive mode, and the drilling straightness and the anchoring force qualification rate are remarkably improved; and meanwhile, overload damage of equipment is effectively avoided by reducing invalid energy consumption.

The invention belongs to the technical field of petroleum drilling, and particularly relates to a self-adaptive multi-stage energy storage circumferential jar which comprises a force storage assembly and a torsional impact assembly. The self-adaptive multi-stage energy storage circumferential jar has three states: a normal drilling state, a force storage state and a torsion impact state. When the drilling process is normally carried out, the self-adaptive multi-stage energy storage circumferential jar can be used as a drill column to realize the function of transmitting torque and bit pressure; when the lower drill column is stuck, the large hook is used for realizing the force storage process of the upper drill column; and the accumulated torsion is released after reaching a calculated value, so that large-torsion jarring jam releasing is realized. According to the method, the control process of torsion accumulation of the underground drill column is achieved, and the problem that the torque of the top drive cannot be effectively transmitted to the target position is effectively solved. The unfreezing efficiency is effectively improved while the unfreezing impact torque is improved, and research and development of the tool have important significance on safe, smooth and efficient drilling process.

The present application relates to the field of oil and gas field drilling development technology, and particularly relates to a reentry method of an ultra-short radius horizontal well bore, which uses a slider arranged in a guide tool, and realizes the rotational displacement of the guide tool in the horizontal direction by the principle of lifting the swing joint of the slider after pressing, so that the effect of horizontally entering the lateral drilling hole by the running string without fulcrum in the vertical section is realized, and then the deflection angle of the guide tool and the change of the drilling pressure are measured by a gyroscope inserted into the drill pipe string, and the lateral drilling hole is positioned and inserted. The reentry guide tool of the well hole is designed to solve the problem that there is no support point in the vertical section of the well bore, and the running tool moves downward under the action of gravity and does not enter the lateral drilling hole. Through the design of the reentry guide tool and the reasonable construction method, the running string and the like successfully enter the lateral drilling hole, the horizontal section is fractured, the running string is unblocked, and the like, and the oil production capacity of the well hole is restored and improved.