52results about How to "Improve drilling safety" patented technology

The invention discloses a complex structural well drag-reduction wrenching-reduction compound drilling method. An underground drag-reduction wrenching-reduction device is arranged between an upper-portion drilling rig and a measurement-while-drilling drilling assembly combination, and therefore the upper-portion drilling rig can rotate independently relative to the measurement-while-drilling drilling rig; a reaction torque balancing device is arranged between a power drilling rig and a drill bit, and the disturbance of the reaction torque generated by a power drilling rig to a tool face is eliminated. The complex structural well drag-reduction wrenching-reduction compound drilling method has the advantages that the drag-reduction wrenching-reduction device can change the drill string sliding drilling into rotary drilling during the guiding drilling process, the friction resistance and the torque loss are reduced, and the occurrence rate of complex situations that the drill string is stuck and clamped is reduced; the reaction torque balancing device can effectively eliminate the influence of the reaction torque generated by a power drilling rig on the tool face, the tool face is controlled to be stable, the well track control accuracy is improved, the well body quality is improved, and complex structure well efficient drilling is achieved.

The invention discloses an underground coal mine directional drilling and reaming integrated drilling tool and a directional drilling and reaming-while-drilling method, the directional drilling and reaming integrated drilling tool comprises a sliding directional drilling tool, a drilling state switching device and a rotary reaming drilling tool, and during directional drilling and reaming-while-drilling, the drilling state switching device adjusts the working state of the sliding directional drilling tool and the deflecting drilling direction. The sliding directional drilling tool conducts directional deflecting drilling under the action of feeding power provided by the drilling machine and rotation power provided by the single-bend screw motor, and a directional pilot hole is formed. The rotary reaming drilling tool performs reaming along the directional pilot hole under the action of feeding power and rotation power provided by the drilling machine, and large-diameter reaming while drilling is achieved. According to the method, the problems of small primary hole forming diameter, low secondary large-diameter reaming efficiency and difficulty in hole forming of complex broken stratums of current underground coal mine directional drilling are solved, large-diameter primary hole forming is realized, the range of stratums applicable to directional drilling is widened, the gas extraction effect is improved, and safe and efficient mining of a working face is ensured.

The invention relates to a coal mine underground tunnel drilling method, in particular to a coal mine underground complex fractured formation nearly-horizontal pressurizing and directional drilling device and method. The coal mine underground complex fractured formation nearly-horizontal pressurizing and directional drilling device comprises an orifice sleeve pipe for sealing an orifice during construction, a directional drilling tool assembly penetrating through the orifice sleeve pipe so as to enter a coal bed during construction, and a throttling and pressurizing system connected with a first fluid passageway formed between the directional drilling tool assembly and the orifice sleeve pipe, wherein a drilling tool center hole for one-way conducting is formed in the directional drillingtool assembly; and the throttling and pressurizing system can recover and input a fluid through the first fluid passageway. According to the coal mine underground complex fractured formation nearly-horizontal pressurizing and directional drilling device and method provided by the invention, a high-pressure flushing fluid is provided for a drill hole, and the pressure magnitude of the flushing fluid is controlled, so that a radial additional support force on the hole wall through the flushing fluid is larger than a balance pressure value of the hole wall, the drill hole is ensured to keep stable, the problems that the complex fractured formation drill hole is easy in instable failure and the safety accidents are occurred frequently are solved, and the hole forming rate and the constructionsafety of various coal mine underground nearly horizontal geological exploration and disaster prevention drilling are improved.

The invention relates to adjustable gas directional drilling equipment and method for a crushed soft coal seam in an underground coal mine. The equipment is composed of an orifice mixed gas supply system, a mine wired measurement while drilling device, a directional drilling tool assembly, an orifice waste gas treatment system and the like, two optional gas of pressurized air and nitrogen are supplied to a borehole by using the orifice mixed gas supply system, and the directional drilling tool assembly is driven for hole bottom high-efficiency rock breaking and drilling cutting discharging; borehole track while drilling real-time measurement and high-efficiency transmission are conducted by using the mine wired measurement while drilling device; measurement while drilling signal transmission and borehole track precise control are conducted by using the directional drilling tool assembly; and the orifice waste gas treatment system is used for removing boring mud and ensuring safe emission of the nitrogen and high-efficiency extraction of gas. The safety of drilling using the gas, the signal transmission efficiency and the slagging efficiency are overall improved, and potential safety hazards such as fire catching in the hole during gas drilling are avoided.

The invention relates to drilling tools, in particular to a drilling tool for detecting temperature in a drill hole in real time. The drilling tool for detecting the temperature in the drill hole in real time solves the technical problems that according to a drilling tool in the prior art, the temperature in the drill hole cannot be detected in real time and cannot be fed back to an operator in time. According to the technical scheme, the drilling tool for detecting the temperature in the drill hole in real time comprises a drill pipe, a fixing support, a temperature detecting emitting device and a signal receiving device; the temperature detecting emitting device is connected with the signal receiving device and the temperature detecting emitting device is fixed to the inner portion of the drill pipe through the fixing support; the temperature detecting emitting device is used for detecting the temperature in the drill hole and sending processed information to the signal receiving device; the signal receiving device is used for receiving the temperature information sent by the temperature detecting emitting device and making a corresponding response according to the temperature information. The drilling tool for detecting the temperature in the drill hole in real time is simple in structure, capable of detecting the temperature in the drill hole in real time and improving the safety and suitable for mine drilling.

The invention discloses a drilling tool plate. The drilling tool plate comprises a base and a pair of locating baffles, wherein the locating baffles are in central symmetry with the center point of the base as the symmetry point and are welded to the base; the center part of the base protrudes outwards for forming a hollow rotating shaft sleeve, and the rotating shaft sleeve can be arranged on a rotating shaft in a sleeving mode and rotates for driving the base to rotate with the center axis of the rotating shaft as the axis; two fixed piles are arranged at the parts, located on the two sides of each locating baffle, on the base, the height of the two fixed piles is smaller than the thickness of a work-piece to be drilled, and first through threaded holes are formed in the two fixed piles in the axial direction; a pressing strip is erected on the top ends of two fixed piles, second threaded holes are formed in the two ends of each pressing strip, and fixed bolts can sequentially penetrate through the second threaded holes and the first threaded holes for extruding the pressing strips on the outer wall of the work-piece to be drilled. The drilling tool plate is simple in structure, can fast locate the work-piece and pre-locate a next work-piece simultaneously, improves the drilling safety and improves the drilling work efficiency.

The invention discloses a novel metal plate drilling device. The drilling device comprises a machine body, a loading cavity with a rightward opening is formed in the machine body, a first sliding groove with a downward opening is formed in the top wall of the loading cavity, and a first sliding block capable of sliding up and down is installed in the first sliding groove; a second sliding groove with an upward opening is formed in the first sliding block, a through groove communicating with the outside is formed in the bottom wall of the second sliding groove, and a second sliding block and athird sliding block are arranged in the second sliding groove in a sliding mode, wherein the third sliding block is positioned below the second sliding block; and a drill rod extending downwards is arranged in the second sliding block in a rotatable mode, the lower end of the drill rod penetrates through the third sliding block and is in rotary fit with the third sliding block through a bearing, and a drill bit part which extends into the through groove is arranged at the lower end of the drill rod.

The invention discloses novel electronic communication processing equipment. The equipment comprises a processing main body; supporting legs are fixedly arranged on the periphery of the bottom end surface of the processing main body; rolling wheels are arranged on the bottom end surfaces of the supporting leg parts in a rotating fit mode; a containing cavity is formed in an inner wall body of theprocessing main body; a clamping base is arranged on the bottom end wall of the containing cavity in a sliding fit mode; a clamping cavity is formed in the top end surface of the clamping base; concave embedding cavities are symmetrically formed in the inner walls of the left side and the right side of the clamping cavity; elastic pressing parts are fixedly arranged in the concave embedding cavities; pushing plates which are fixedly connected to the elastic pressing parts on the left side and the right side are arranged in the clamping cavity in a sliding fit mode; a storage cavity is formed in the position, at the bottom end of the clamping cavity, of the clamping base; a screen is arranged between the storage cavity and the clamping cavity; an opening and closing valve penetrating through the right end surface of the clamping base is arranged at the bottom end of the right side of the storage cavity; a groove communicating with the containing cavity is formed in the end surface of the right side of the processing main body; and a first sliding cavity is formed in the inner bottom wall of the containing cavity.

The invention provides a wellhead safety operation method based on axial oblique-injection and suction drainage assistance. The operation method adopts a wellhead safety operation system based on theaxial oblique-injection and suction drainage assistance to realize the suction effect on combustible gas at a wellhead; the system includes a sand discharge pipeline, an axial oblique-injection and suction drainage assistance mechanism connecting the wellhead and the sand discharge pipeline, an ignition device, a gas injection unit and a first gas injection manifold; the first gas injection manifold provides inert gas produced by the gas injection unit to the inclined injection suction and drainage mechanism to form the negative pressure suction effect; and the ignition device is arranged at the outlet end of the sand discharge pipeline and ignites combustible gas discharged from the sand discharge pipeline. According to the operation method, a nitrogen injection suction method with doublechannel suction and adjustable gas injection can be realized, the safety risk of natural gas overflowing from the wellhead when "tripping operation and rubber core replacing" and other open well operation are carried out under the condition that a small amount of natural gas is produced from a formation is reduced, the safety of field operation is significantly improved, the operation method facilitates the development of gas drilling speed-up advantages, and is applicable to the field of reverse circulation drilling.

The invention discloses an improved sheet metal drilling device. The improved sheet metal drilling device comprises a machine body. The machine body is internally provided with a loading cavity with arightward opening. The top wall of the loading cavity is internally provided with a first sliding groove with a downward opening. The first sliding groove is internally provided with a first slidingblock which can slide up and down. The first sliding block is internally provided with a second sliding groove with an upward opening. The bottom wall of the second sliding groove is internally provided with a through groove communicating with the exterior. The second sliding groove is internally provided with a second sliding block and a third sliding block located below the second sliding blockin a sliding manner. The second sliding block is internally and rotationally provided with a downwards extending drilling rod. The lower end of the drilling rod penetrates the third sliding block andthe third sliding block and is in rotating fit through a bearing, and the lower end of the drilling rod is provided with a drill bit part extending into the through groove.

The invention discloses a spiral grid type anti-clamping sealing structure, belongs to the field of sampling detection, provides a sealing function interface without a sealing part and aims to a rotary moving pair working condition of incomplete sealing. A coring bit end is of a hollow structure; a sample outer protection tube shaft end is arranged inside the coring bit end; the coring bit end is in sliding matching with a gap of the sample outer protection tube shaft end; threads are formed in the outer surface of the sample outer protection tube shaft end; groove-shaped grids are formed in the inner surface of the coring bit end; or knurling is formed in the inner surface of the coring bit end. Compared with a conventional sealing mode, the structure needs no sealing part and has the advantages of good sealing properties, good environmental adaptation, non-sensitive sealing gaps and the like. By adopting the structure, not only is the drilling security greatly improved, but also a great deal of economic loss caused by engineering failure is avoided.

The invention discloses a method, device and system for evaluating the risk of insufficient borehole cleaning, and the method comprises the steps: obtaining the actual measurement pressure of a plurality of measurement points on a wellbore, and obtaining the actual measurement pressure drop of two adjacent measurement points on the wellbore according to the actual measurement pressure of each measurement point; obtaining the theoretical pressure drop of two adjacent measuring points on the shaft; and according to the theoretical pressure drop and the actually measured pressure drop of the two adjacent measuring points on the wellbore, the risk of insufficient borehole cleaning is judged. The method has the advantages that the theoretical pressure drop between every two adjacent measuring points on the shaft comprises the pressure drop caused by the friction effect and the pressure drop caused by hydrostatic pressure, but the pressure drop in a well hole can be obviously changed by suspended rock debris in actual drilling fluid. And if a large amount of rock debris exists, the calculated theoretical pressure drop and the actually measured pressure drop have obvious difference, so that the relationship between the theoretical pressure drop and the actually measured pressure drop can be compared to evaluate the underground borehole cleaning condition and judge the risk of insufficient borehole cleaning.

The invention discloses a machining robot with high safety. The machining robot comprises a machining machine body, a machining cavity is formed in the left side end surface of the machining machine body, the bottom wall of the machining cavity communicates with a first sliding cavity which extends rightwards, the bottom wall of the first sliding cavity communicates with a second sliding cavity, the first sliding cavity and the second sliding cavity penetrate through the left side end surface of the machining machine body correspondingly, a mounting block is arranged in the machining cavity ina sliding fit mode, a drilling machine body is fixedly arranged at the bottom end of the mounting block, a drill bit connector is arranged at the bottom end of the drilling machine body, a drilling head is detachably installed in the bottom end of the drill bit connector, a lifting driving mechanism is arranged on the right side end surface of the mounting block in a power fit mode, a sliding seat is arranged in the first sliding cavity in a sliding fit mode, a clamping cavity is arranged in the left side extending section of the sliding seat in an up-down penetrating mode, the clamping cavity communicates with the machining cavity, and an air pressure cylinder is fixedly arranged in the inner wall of the right side of the clamping cavity.

The invention discloses a processing robot. The processing robot comprises a processing machine body, wherein a processing chamber is formed in the left side end surface of the processing machine body; a first sliding chamber which rightwards extends is formed in the bottom wall of the processing chamber in a communication manner; a second sliding chamber is formed in the bottom wall of the firstsliding chamber in a communication manner; the first sliding chamber and the second sliding chamber correspondingly pass through the left side end surface of the processing machine body; a mounting block is mounted in the processing chamber in a sliding fitting manner; a hole drilling machine body is fixedly arranged at the bottom end of the mounting block, and a drill bit connector is arranged atthe bottom end of the hole drilling machine body; a hole drill bit is detachably mounted in the bottom end of the drill bit connector; a lifting driving mechanism is mounted at the right side end surface of the mounting block in a power fitting manner; a sliding seat is mounted in the first sliding chamber in a sliding fitting manner; a clamping fixing chamber which penetrates the top and bottomis formed in the left side extending section of the sliding seat, and the clamping fixing chamber communicates with the processing chamber; and a pneumatic cylinder is fixedly arranged in the inner wall of the right side of the clamping fixing chamber.

The invention discloses a stone processing robot. The stone processing robot comprises a processing machine body. A processing cavity is formed in the left end face of the processing machine body. A first sliding cavity extending to the right is communicated with the bottom wall of the processing cavity. A second sliding cavity is communicated with the bottom wall of the first sliding cavity. Thefirst sliding cavity and the second sliding cavity penetrate through the left end face of the processing machine body. A mounting block is mounted in the processing cavity in a sliding fit manner. A drilling machine body is fixedly arranged at the bottom end of the mounting block. A drilling head connecting device is arranged at the bottom end of the drilling machine boy. A drilling head is detachably mounted in the bottom end of the drilling head connecting device. A lifting drive mechanism is mounted on the right end face of the mounting block in a power fit manner. A sliding seat is mountedin the first sliding cavity in a sliding fit manner. A clamping and fixing cavity is formed in the left extending section of the sliding seat in a vertically penetrating manner. The clamping and fixing cavity is communicated with the processing cavity. A pneumatic cylinder is fixedly arranged in the inner wall of the right side of the clamping and fixing cavity.

The invention relates to a while-drilling jam release device for intelligent drilling. According to the while-drilling jam release device, through intelligent control over high-pressure drilling fluidand jet scrubbing of a bit mud drum from an annulus, while-drilling jam release is achieved. According to the technical scheme of the while-drilling jam release device for intelligent drilling, a driving assembly is arranged at the junction of an upper joint and a lower joint; the driving assembly is constituted by a driving assembly solenoid valve, a plunger, a spring, a center pipe and a checkblock; a liquid spraying assembly, a locking assembly and a main intercepting assembly are arranged on the upper joint; the liquid spraying assembly is constituted by a spring seat, a liquid sprayingvalve spring, a liquid spraying valve element, a liquid spraying valve seat, a liquid spraying valve deck and a flow pass; the locking assembly is constituted by a locking block and a locking valve seat; and the main intercepting assembly is constituted by a valve plate, a telescopic pin shaft, a torsional spring and a torsional spring close cover. The while-drilling jam release device has a while-drilling jam release function down hole and can be intelligently controlled, the non-working time of drilling is shortened, the drilling cost is reduced, and drilling safety is improved.

The invention discloses novel semiconductor material production technological equipment. The equipment comprises a frame base. The frame base is provided with a containing cavity with a rightward opening. The top wall of the containing cavity is provided with a first sliding groove with a downward opening. A first sliding block capable of sliding up and down is mounted in the first sliding groove.The first sliding groove is provided with a second sliding groove with an upward opening. The bottom wall of the second sliding groove is provided with a through cavity communicating with the outside. A second sliding block and a third sliding block located below the second sliding block are slidably mounted in the second sliding groove. The second sliding block is rotatably provided with a drillrod extending downwards. The lower end of the drill rod penetrates through the third sliding block and is rotatably matched with the third sliding block through a bearing. The lower end of the drillrod is provided with a drill bit extending into the through cavity.