163results about "Vibration drilling" patented technology

The invention discloses an anti-jamming coal mining drilling machine with drilling and multidirectional impacting functions and a using method thereof.The anti-jamming coal mining drilling machine comprises a drilling machine body, a high-pressure driving mechanism is arranged on the drilling machine body through a multidirectional guide rail mechanism, and a drilling assembly is connected with the high-pressure driving mechanism; when the drilling machine works, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, the high-frequency transverse vibration mechanism synchronously generates transverse high-frequency vibration, the high-pressure driving mechanism drives the drill rod and the drill bit to conduct rotary drilling, and the high-frequency transverse vibration mechanism drives the drill rod and the drill bit to conduct rotary drilling. The friction force between the drill bit and rock is reduced, debris accumulation is prevented, efficient deslagging is achieved, when hard rock or drill jamming occurs, the longitudinal vibration impact mechanism triggers longitudinal vibration, impact and drill jamming prevention functions are achieved through cooperative work of transverse vibration and longitudinal vibration, the drill jamming problem under the complex geological condition is effectively solved, the drilling efficiency and equipment reliability are improved, and the drilling cost is reduced. The device is suitable for drilling operation of mining roofs and baseplates, sides and the like.

The invention relates to the technical field of petroleum drilling tools, in particular to a shaft-torsion coupling percussion drilling speed increasing tool which comprises a shell, an upper water wheel, a torsion percussion assembly, a lower water wheel and an axial percussion assembly. The tool is reasonable and compact in structure, the tool is installed at the position close to a drill bit, the upper portion of the shell is connected with a drill collar, the lower portion of the shell is connected with the drill bit, fluid enters the upper portion of a central channel to impact an upper water wheel, the upper water wheel drives an upper rotating shaft to rotate, and a torsion impact assembly periodically impacts a fixing block in the circumferential direction, so that a circumferential impact effect is generated on an outer cylinder; the fluid continuously flows downwards to impact the lower water wheel, the lower water wheel drives the lower rotating shaft to rotate, the axial impact assembly periodically impacts the outer barrel in the axial direction, and then the axial impact effect is generated on the drill bit on the lower portion. The tool can transmit periodic torque and axial impact to the drill bit, the rock breaking speed of the drill bit is increased, the drilling period is shortened, and then cost and time are saved.

The invention belongs to the technical field of tunnel drilling, and particularly relates to a large-dip-angle energy-saving drilling machine for mining, which comprises a bottom support, a middle swing support is fixedly mounted on the upper end face of the bottom support, and a lifting support A is fixedly mounted on the upper end face of the middle swing support and connected with power and a support. An upper swing support is rotationally connected between the power and support connector and the lifting support A. A drilling device is fixedly installed on the upper end face of the upper swing support. The adjustable swing support and the rotary power device are adopted, and multi-angle and multi-direction drilling operation can be achieved. Through the synergistic effect of the middle swing support and the upper swing support, the drill bit can be flexibly adjusted within different dip angle ranges, the drilling requirement under the complex geological condition is met, the operation efficiency is remarkably improved, and the application range is remarkably widened.

The present application belongs to the field of oil drilling technology, and discloses a PDC drill bit for rock breaking by pressure pulse impact oscillation. The specific technical scheme is as follows: the PDC drill bit for rock breaking by pressure pulse impact oscillation is composed of an upper threaded joint, a shell, a jet pulse block and a drill bit. The jet pulse block is composed of a fluid inlet, a left feedback channel outlet, a right feedback channel outlet, a left fluid channel, a right fluid channel, a left backflow feedback inlet, a left backflow annular fluid channel, a right backflow feedback inlet, a right backflow annular fluid channel, a fluid outlet and a fluid outlet cavity. After the drilling fluid passes through the upper threaded joint, it enters the jet pulse block from the fluid inlet, and then passes through the fluid outlet and flows out from the drill bit water eye. When the drilling fluid passes through the jet pulse block, the flow direction of the drilling fluid will change periodically due to the action of the feedback channel, and a pressure pulse will be generated, forming impact oscillation, and thus accelerating the rock breaking and drilling of the drill bit. The present application has the function of improving the rock breaking efficiency of the drill bit by relying on pressure pulse impact oscillation.

The application discloses a method for controlling the verticality of a vibroflotation stone pile machine, which comprises the following steps: arranging a drill rod system in parallel with a mast of a hoisting system, so that a vibroflotation system connected with the bottom of the drill rod system is parallel with the mast; detecting the verticality of the mast relative to a main machine on a horizontal plane in real time when the vibroflotation system is used for vibroflotation construction, so as to obtain deviation data of the verticality of the mast; judging whether the verticality of the mast needs to be adjusted according to the real-time deviation data of the verticality of the mast; and adjusting the verticality of the mast if the verticality of the mast needs to be adjusted, so that the vibroflotation system can be used to vibroflotation downward to a construction stratum and form a vibroflotation stone pile hole with a required verticality. According to the method, the vibroflotation system can form a vibroflotation stone pile hole with a required verticality, the uniformity and compactness of a formed vibroflotation stone pile hole are ensured, the safety of the vibroflotation stone pile is improved, the construction period is effectively shortened, and the construction cost is reduced.

An automated slide drilling system (ASDS) may be used with a drilling rig system to control slide drilling. The ASDS may autonomously control slide drilling without user input during the slide drilling. The ASDS may further support a transition from rotary drilling to slide drilling to rotary drilling without user input during the transitions. The ASDS may also support user input and user notifications for various steps to enable manual or semi -manual control of slide drilling by a driller or an operator.

A power system comprises two main pumps, two pile grinding oil cylinders and two lifting oil cylinders. Wherein the first main pump is communicated with the first pile grinding oil cylinder through a first pile grinding control valve and is also communicated with the first lifting oil cylinder through a first lifting control valve; the second main pump is communicated with a second pile grinding oil cylinder through a second pile grinding control valve and is also communicated with a second lifting oil cylinder through a second lifting control valve; an oil inlet path between the first pile grinding control valve and the first pile grinding oil cylinder is communicated with an oil return path between the second pile grinding control valve and the second pile grinding oil cylinder, and an oil return path between the first pile grinding control valve and the first pile grinding oil cylinder is communicated with an oil inlet path between the second pile grinding control valve and the second pile grinding oil cylinder; an oil inlet path between the first lifting control valve and the first lifting oil cylinder is communicated with an oil inlet path between the second lifting control valve and the second lifting oil cylinder, and an oil return path between the first lifting control valve and the first lifting oil cylinder is communicated with an oil return path between the second lifting control valve and the second lifting oil cylinder.

Apparatus and methodologies herein relate to downhole tools capable of creating a vibration, and more particularly for creating and controllably adjusting tunable pressure pulses for imparting vibration to a downhole drill string. Various pressure pulse settings, and corresponding performance parameters, may be selected by controllably restricting fluid flow through the apparatus.

An accurate and elegant model is provided to characterize HFTO. For Type 1 HFTO, the model can predict frequency of the HFTO based on the distance between a reference location on the bottomhole assembly (e g., the end of the drill bit) and a point 40% up the motor. In short BHA strings there is the fundamental frequency while in longer BHA the first harmonic is used. For Type 2 HFTO, the model can predict frequency of the HFTO based on distance between a reference location on the bottomhole assembly (e.g., the end of the drill bit) and the first slick contact point, which is optionally in the middle of a long flex joint.

The present application relates to the technical field of oil and gas drilling, and discloses a multiple-activation variable-frequency power short section assembly, which comprises a bypass turbine shaft, a turbine driving structure and the multiple-activation variable-frequency power short section assembly, a valve ball structure is arranged on the upper part of the bypass turbine shaft, and a static valve and a dynamic valve are arranged on the lower part of the bypass turbine shaft. The multiple-activation variable-frequency power short section assembly provided by the present application is provided with ball valve holes for shunting drilling fluid at the upper end of the turbine shaft, the flow direction of the well fluid is adjusted by changing the opening and closing state of different ball valve holes, the rotating speed of the turbine rotating driving structure is adjusted, the oscillation frequency of the turbine type hydraulic oscillator for drilling is adjusted, and the purpose of adjustable drilling parameters is achieved. Through the use of the valve ball, the turbine type hydraulic oscillator successfully realizes the transformation of two working modes within a certain number of times, and the service life and stability of the turbine type hydraulic oscillator for drilling are increased.

The application discloses a full-hydraulic adjustable jar and relates to the technical field of drilling equipment; in order to solve the problems of high machining requirement of a hydraulic valve needle of the jar and insufficient sealing of a hydraulic cylinder in the prior art, the following technical scheme is provided: the application comprises an upper joint, a lower centralizing sleeve and a hydraulic driving assembly; the upper joint is connected with a drill string through a double-end thread, and an annular sealing groove is arranged at the root of the thread and is embedded with an O-shaped ring a; the lower centralizing sleeve is connected with a jar shell through a double-end thread, and a sealing nut is arranged at the tail end; the application uses a valveless needle flow valve, controls the flow channel to adjust the oil amount through a flow ring, does not need high-precision valve needle hole machining, effectively reduces the manufacturing cost, in addition, a double-acting hydraulic driving assembly is adopted, the jar direction can be flexibly switched, the problem of drill pipe sticking in complex strata is solved, and the releasing efficiency is improved.

The intelligent piling machine adopting the variable-frequency vibration water vapor compaction method comprises a chassis, a mast, a winch, a vibration hammer and a vibration rod, the vibration rod is installed on the vibration hammer, a nozzle is arranged at the lower end of the vibration rod, the intelligent piling machine further comprises a water and gas supply system, and the water and gas supply system comprises a gas storage tank, a water storage tank and an air compressor; a water supply pipe is arranged at the bottom of the air storage tank, an air supply pipe is arranged at the bottom of the air storage tank, and the end of the water supply pipe and the end of the air supply pipe are connected with the vibration rod through conveying pipes. A pneumatic valve I is mounted on the pipeline between the air storage tank and the water storage tank, a pneumatic valve II is mounted on the water supply pipe, a pneumatic valve III is mounted on the air supply pipe, and a pneumatic valve IV is mounted on the pipeline between the water pump and the water storage tank; when the pile machine drills downwards through the vibration rod, water, air or water vapor mixed with water and air can be selectively sprayed to the soil through the nozzles according to the water content of the soil, so that the component density of the soil is changed, the soil structure is reinforced, the work efficiency is improved, and the construction cost is reduced.

The invention provides a hole bottom rock breaking device applied to extraterrestrial celestial body deep drilling. The hole bottom rock breaking device comprises an ultrasonic generator, a cable, an electric slip ring, an ultrasonic transducer, a free mass block, a spiral drill rod and a drill bit. The ultrasonic generator generates ultrasonic energy and provides the ultrasonic energy to the ultrasonic transducer; the ultrasonic transducer is used for converting an input ultrahigh-frequency electric signal into ultrahigh-frequency mechanical vibration; the free mass block excites the ultrahigh-frequency ultrasonic vibration generated by the ultrasonic transducer to drive downwards to generate high-frequency collision with the spiral drill rod, so that the spiral drill rod and the drill bit move downwards to impact the rock, and the free mass block performs reciprocating high-frequency collision between the ultrasonic transducer and the spiral drill rod through reverse movement of impact counterforce; the spiral drill rod is connected with the bottom of the ultrasonic transducer, and energy generated by ultrahigh-frequency vibration of the ultrasonic transducer and high-frequency impact of the free mass block is transmitted downwards to the drill bit. And the drill bit acts the high-frequency-ultrahigh-frequency impact energy on the rock, and the rock is broken through continuous impact.

To provide suitable hybrid excavation Shimoiwa.SOLUTION: A method for utilizing a millimeter wave drilling apparatus (300) is provided. The method can include monitoring a permeability of a first portion of a borehole of a well while forming the borehole using a drilling apparatus including a drill bit for mechanically removing material from within the borehole. The method can also include determining to utilize a millimeter wave drilling apparatus including a waveguide (430) configured for insertion into the borehole based at least on the permeability of the borehole being below a permeability threshold. The method can further include, in response to the determining, forming a second portion of the borehole utilizing the millimeter wave drilling apparatus. A method for controlling downhole pressure of a well is also provided. An associated system for performing the method is also provided.SELECTED DRAWING: Figure 3

Apparatus and methodologies herein relate to downhole tools capable of creating a vibration, and more particularly for creating and controllably adjusting tunable pressure pulses for imparting vibration to a downhole drill string. Various pressure pulse settings, and corresponding performance parameters, may be selected by controllably restricting fluid flow through the apparatus.

The application provides a self-adaptive screw drill, which comprises a cylindrical shell, a power spindle for connecting a power motor, the power spindle being arranged concentrically in the cylindrical shell and being rotatable relative to the cylindrical shell, the power spindle being provided with a first central flow channel, an output spindle for connecting a drill bit, the output spindle being arranged at a lower end of the power spindle and being provided with a second central flow channel extending in an axial direction, and an elastic member being sleeved on the output spindle, wherein the power spindle is configured to drive the output spindle to rotate so as to transmit power of the power motor to the drill bit, the output spindle is capable of moving upward relative to the power spindle to reduce a soil penetration depth of the drill bit when a torque of the drill bit is too large, the output spindle is capable of generating a pressure pulse when the output spindle moves upward to a highest point, the output spindle compresses the elastic member to store energy during the upward movement of the output spindle, and the output spindle is capable of releasing elastic potential energy after reaching the highest point, so that the output spindle impacts the drill bit under the combined action of the pulse pressure and the elastic member.

The present invention provides a pressurized resistance-reducing device for continuous tubing drilling, comprising a resistance-reducing unit, the resistance-reducing unit comprising an oscillating element and a jet element connected to the oscillating element; a pressurizing unit, the pressurizing unit comprising a cylinder having an inner cavity connected to the resistance-reducing unit, a piston rod disposed in the inner cavity, a piston sleeved on the piston rod, and a drill assembly connected to the bottom of the pressurizing unit. The jet element is capable of generating a jet so as to cause the fluid flowing through the resistance-reduction unit to oscillate, and the piston rod is capable of axially moving along the cylinder under the action of the pressure difference on both sides of the outer wall of the cylinder, thereby applying a flexible drilling pressure to the bottom drill assembly. The pressurized resistance-reducing device for continuous tubing drilling of the present invention can increase the drilling pressure of continuous tubing drilling while reducing the friction force exerted on the continuous tubing by the well wall.

The utility model relates to the technical field of drilling equipment, and discloses a vibration resistance reduction tool for drilling, which comprises an upper joint, a shell and a lower joint, two ends of the shell are respectively connected with the upper joint and the lower joint, a piston, an upper spring, a movable valve, a lower spring and a filter are arranged in the shell, the upper spring is sleeved at the lower end of the piston, and the lower spring is sleeved at the lower end of the filter. The other end of the upper spring abuts against the upper end face of the necking section of the shell, the lower end of the movable valve is sleeved with the lower spring, and the other end of the lower spring abuts against a positioning groove of the lower connector. The upper end face of the movable valve is provided with a central through hole and at least one outer side through hole which are both communicated with the inner cavity, the circulation area of the central through hole is smaller than the minimum circulation area of the piston, the piston abuts against the movable valve in the initial state, and the lower end face of the piston can seal all the outer side through holes of the movable valve; a first limiting structure is arranged between the piston and the shell to limit the lowest point of the piston, a second limiting structure is arranged between the movable valve and the shell to limit the lowest point of the brake valve, resonance amplification of the piston and the movable valve is achieved, and the resistance reduction effect is good.

The present invention discloses an axial-circumferential composite vibration drag reduction drill tool, which includes an outer tube, an upper joint being threadedly connected at the upper end of the outer tube, an oscillator being provided inside the outer tube, and the oscillator including a cover plate and a base plate. Compared with the prior art, the present invention has the following advantages: the present invention has a simple and compact structure, adopts a single feedback channel, has good jet switching stability, is not prone to flow channel blockage, and can generate periodic liquid flow pressure by relying solely on the internal fluid channel setting, pushing the impact block to swing and hitting the left and right walls of the oscillation chamber to generate circumferential vibration. At the same time, the impact force of the fluid flowing through the feedback channel forms axial vibration, causing the drill tool to creep axially, converting static friction into sliding friction, thereby reducing drill pipe friction. Compared with the pulse pressure generated by other types of vibration drag reduction devices, the present device has a simple structure, is easy to control frequency and pressure drop, is short in size, and has a high slope rate, which can effectively improve downhole operation efficiency.

The invention belongs to the technical field of drilling equipment, and particularly relates to drilling equipment for mine geological exploration, the drilling equipment comprises a vibration drilling mechanism, an ore conveying mechanism and a hole wall protection mechanism, and the vibration drilling mechanism performs drilling in a high-frequency vibration mode during working; when the vibration drilling mechanism works, the ore conveying mechanism is automatically driven to work, and part of core ore generated in the working process of the vibration drilling mechanism is collected. In the working process of the ore conveying mechanism, after core ore is collected, the hole wall protection mechanism is automatically driven to work, the geological weak part of the inner wall of a drilled hole is reinforced and protected, the drilling equipment for mine geological exploration replaces a traditional drilling mode in the mine geological exploration process, the drilling efficiency is improved, and the drilling efficiency is improved. The problem that damage to a rock core and a hole wall is large in the drilling process, and consequently use is limited is solved.

The invention relates to the technical field of drilling equipment, and discloses a bridge underwater pile foundation drilling device which comprises a drill bit assembly and a transmission rod assembly, the transmission rod assembly comprises a rod body and a vibration impact mechanism arranged in the rod body, and the drill bit assembly comprises a drill bit part, a ring part and a fin plate part. The ring part is fixedly connected to the top end of the shaft body through at least two connecting rods, the drill bit part is fixed to the bottom end of the shaft body, and a crushing mechanism is further arranged between the lower portions of the connecting rods and the top of the fin plate part. The vibration impact mechanism is used for providing power for drilling descending of the drill bit assembly and crushing of the crushing mechanism. During downward drilling, the resistance area of the drill bit in the advancing direction is small, drilling can be more easily carried out, and therefore the drilling efficiency is improved, drilling can be rapidly completed in a soft soil layer, the rock can also be broken into small broken materials through the design of the second rock breaking teeth, the conical blades and the first rock breaking teeth, and the broken rock blocks can be conveniently discharged into holes.

The present invention discloses a method for determining a reasonable installation position of a rotary punch tool. The method comprises the following steps: based on measured wellbore trajectory parameters, drill string structural parameters and rotary punch tool characteristic parameters, taking into account different rotary punch tool installation positions, utilizing a drill string dynamics analysis method to obtain the maximum axial vibration speed of the drill string, determining the dynamic axial friction reduction amplitude of the drill string according to a Stribeck friction coefficient model, and determining the rotary punch tool position based on the maximum reduction amplitude.

The application relates to the technical field of screw drill tools, in particular to a pulse oscillation generating device. The pulse oscillation generating device comprises an anti-dropping joint, a moving valve plate and a second static valve plate arranged in the inner cavity of the anti-dropping joint, and a valve rod. The moving valve plate and the second static valve plate are coaxially arranged and are perpendicular to the flowing direction of the drilling fluid. The cross section of the moving valve plate is a Luer triangle. The second static valve plate is fixed on a static valve seat. The second static valve plate is provided with a square hole. The inner hole side length of the square hole is equal to the inscribed triangle side length of the moving valve plate. One end of the valve rod is arranged downstream of the moving valve plate along the flowing direction of the drilling fluid and is connected with the moving valve plate. The other end of the valve rod is connected with a motor. The motor drives the valve rod to drive the moving valve plate to rotate. The valve rod and the moving valve plate are coaxially arranged. The application provides the pulse oscillation generating device, and the wear resistance of the pulse oscillation structure is enhanced, so as to solve the problem that the contact surface of the valve plate is greatly worn when the moving valve plate and the static valve plate are in contact and friction.

The present invention discloses a method for forming a pile body during construction using a vibro-stone pile machine, comprising: obtaining the depth of the material surface in the pile hole formed during construction before stone is placed; placing stone into the pile hole after the material surface depth has been measured to form a section of loose pile body; measuring and calculating the material surface depth of the formed loose pile body, and using the height difference between the material surface depths before and after the stone is placed to calculate the average filler amount per linear meter of the loose pile body; vibro-compacting the loose pile body to form a dense pile body; using the average filler amount and the density coefficient, calculating the average pile diameter per linear meter of the dense pile body; and adjusting the vibration parameters of the vibro-stone pile machine based on a comparison result of the average pile diameter of the dense pile body with a preset pile diameter to form a dense pile body that meets the pile diameter requirements. The method of the present invention can form a vibro-compacted stone pile body with uniform and continuous pile diameter, solving the problem in the art of poor continuity and easy breakage or dislocation of vibro-compacted stone pile bodies formed by vibro-compacting construction in medium-coarse sand layers and areas prone to strong earthquakes.

A method is provided for utilizing a millimeter wave drilling rig (300). The method can include monitoring the permeability of a first portion of a borehole in a well while forming the borehole using the drilling rig, the drilling rig including a drill bit for mechanically removing material from within the borehole. The method can also include determining, based on at least the permeability of the borehole being below a permeability threshold, to utilize a millimeter wave drilling rig including a waveguide (430) configured for insertion into the borehole. The method can further include, in response to the determination, forming a second portion of the borehole using the millimeter wave drilling rig. A method is also provided for controlling downhole pressure in a well. An associated system for performing the method is also provided.

The present disclosure relates to a hole drilling method for erecting poles, the method comprising: a step 1 for suspending a vibrator on which a cylindrical casing tube is mounted and placing the vibrator on the ground surface; a step 2 for vibrating the casing tube with the vibrator and causing the casing tube to penetrate into the ground; and a step 3 for stopping the vibration of the vibrator when the casing tube penetrates to a predetermined depth.

The invention provides an intelligent safety control method and system for detecting the offset of a vibroflot based on a gyroscope, and relates to the technical field of vibroflotation pore-forming, the gyroscope is mainly adopted to carry out offset detection on the vibroflot, and on the basis, the change characteristics of tension in an offset generation time period are analyzed through time forward, so that the deviation of the vibroflot is detected. According to the method, the vibroflot is used for judging whether the vibroflot collides with the hard soil layer or not, and the vibroflot is adaptively adjusted according to the judgment result, so that the method not only can accurately analyze the cause of the position offset, but also can safely control the vibroflot according to the cause of the position offset.

A friction reducing tool is configured to be selectively activated downhole in response to a change in operating conditions of a flow of media. The valve assembly and the activation assembly are both positioned downstream of a power assembly that is configured to rotate a rotary valve section of the valve assembly if a medium flows through the tool. The activation assembly is configured to transition from a first position to a second position in the event of a change in media flow operating conditions. In the first position, the activation assembly provides a bypass flow path around the valve assembly for at least a portion of the flow of media, thereby preventing the valve assembly from generating any significant pressure pulses as the rotary valve section rotates. In the second position, the bypass flow path is closed such that all or a majority of the medium flows through the valve assembly, thereby creating significant pressure pulses.

An estimation system includes an acquirer configured to acquire a measured value of an outer surface temperature of a pipe through which fluid flows, an inferrer configured to infer an execution time for a removal process for deposits on an inner surface of the pipe, corrector configured to correct an estimated value used for estimating a thickness of the deposits, by using the measured value of the outer surface temperature of the pipe, which is acquired within a predetermined time from an inference result of the execution time for the removal process for the deposits, and an estimator configured to estimate the thickness of the deposits based on the corrected estimated value and the measured value of the outer surface temperature of the pipe.