49 results about "Mud tank" patented technology

The utility model discloses a movable environmental protection engineering investigation mud pit, including dolly, shock absorption mechanism, roof and mud pit, the mud pit includes middle common plate, left pit body, right pit body and be equipped with the filter screen on the middle common plate, left pit body is equipped with the mud inlet, right pit body is equipped with the mud outlet, a left opening and closing cover is arranged at the top of the left pool body, a right opening and closing cover is arranged at the top of the right pool body, a supporting locking piece is arranged at the top of the middle common plate, a reverse flow plate is arranged at the bottom of the left pool body, an extension plate is arranged at the lower end of the reverse flow plate, a rear side plate is arranged on the rear side of the reverse flow plate, and a bottom plate is arranged below the reverse flow plate. And the middle common plate, the reverse flow plate, the extension plate, the bottom plate and the rear side plate enclose an accommodating cavity for mounting a drawer. The slurry recycling device is convenient to operate, time-saving and labor-saving, realizes recycling and reutilization of slurry, is convenient for deposition and collection of scraps in the slurry, and is provided with the left opening and closing cover and the right opening and closing cover, so that the environmental protection property and the safety are improved.

The utility model relates to the technical field of hydraulic engineering provides a kind of filter device for hydraulic engineering silt, including water purification tank, the front side top of water purification tank is fixedly connected with mud tank, the front side middle upper portion of mud tank is equipped with square groove one, the inner wall slidingly connected with slider of square groove one, the left end of slider is fixedly connected with cylinder, the bottom of cylinder is fixedly connected with square, the bottom right end of square is fixedly connected with push mud board, and push mud board is slidably connected with the inside front side of mud tank, the top left side of square is fixedly connected with cleaning brush, the rear side bottom of mud tank is rotatably connected with speed control mechanism. The utility model can clean out mud tank with large particles and group silt, prevent the blockage caused by entering into filter plate one, improve the filtering effect, and at the same time, the inclination angle of long plate can be adjusted, so as to reduce the flow rate and the flow of water, prolong the contact time of silt and filter medium, and improve the filtering precision.

The present application provides a spiral conveyor automatic pushing device and a drill cutting conveying device, the drill cutting conveying device comprises a plurality of centrifuges arranged above the tank surface of a mud tank; a spiral conveyor arranged on the tank surface of the mud tank, the spiral conveyor is provided with a spiral conveyor automatic pushing device, the spiral conveyor automatic pushing device comprises a plurality of guide rails arranged on the tank surface of the mud tank, both ends of the guide rails correspond to the working position and the disassembly and assembly position of the spiral conveyor respectively; and a plurality of automatic lifting and walking devices arranged on both sides of the spiral conveyor, the automatic lifting and walking devices are configured to be capable of extending downwards and connected to the guide rails, and continue to extend to lift the spiral conveyor and separate from the tank surface of the mud tank; wherein the automatic lifting and walking devices walk on the guide rails when the spiral conveyor moves; the spiral conveyor is in the working position when working, and the spiral conveyor is in the disassembly and assembly position when disassembling or maintaining.

This invention discloses a dredging mud solidification device, comprising a mud tank, an inorganic flocculation sedimentation tank, an organic flocculation sedimentation tank, a filtration device, a lifting and lowering support, and a horizontally arranged, rotating circular trough. One end of the circular trough is coaxially connected to an inlet pipe, and the end of the inlet pipe away from the circular trough is connected to a flexible hose, which is connected to the inorganic flocculation sedimentation tank. Multiple connecting pipes are spaced apart along the circumference of the circular trough on its outer wall, each connecting pipe communicating with the interior of the circular trough. Multiple tank bodies correspond one-to-one with the multiple connecting pipes, and each tank body has multiple filter holes on its outer and bottom walls. The beneficial effects of this invention are that it minimizes the time required to replace tank bodies, thereby maximizing the working efficiency of the mud solidification device while ensuring the filtration effect of the tank bodies, making it highly practical.

The present application belongs to the technical field of mud sampling equipment, and discloses a depth fixing sampler, which comprises a fixing frame, a sampling unit, a lifting unit and a depth detection unit, wherein the fixing frame comprises a horizontal support and a vertical support, the vertical support is a U-shaped support, and an inner side of the vertical support is provided with a clamping groove; the sampling unit comprises a sampling cylinder, an end cover, an ear plate and a counterweight assembly; the lifting unit is installed on the fixing frame and comprises a winding drum rotatably connected to the inside of the fixing frame; the depth detection unit comprises a pull rope type displacement sensor and an ultrasonic liquid level sensor; and the control unit comprises a PLC controller, which is electrically connected with a driving motor, a solenoid valve one, a solenoid valve two, the pull rope type displacement sensor, the ultrasonic liquid level sensor and an encoder. The present application reduces the depth error caused by interference factors in the sampling process through the fusion of multiple sensors, improves the sampling accuracy, and can be used for sampling mud in the mud tank under multiple scenes such as any depth of the mud tank and each liquid level depth of the mud.

This utility model provides an air-lift reverse circulation secondary cleaning device, belonging to the field of cast-in-place pile construction technology. The air-lift reverse circulation secondary cleaning device includes a mud tank, an air compressor, an air-lift reverse circulation pipeline, and a clamping device. The air compressor is connected to an air supply pipeline. The air-lift reverse circulation pipeline is located at the center of the pile hole, and an air inlet pipeline is provided inside the pipeline, passing through the end of the pipeline and connecting to the air supply pipeline. A mud outlet pipeline is also provided at the end of the pipeline, extending into the mud tank. The clamping device is located at the outer edge of the pile hole. The clamping device includes a support base, two columns, and several sets of clamping arms. The support base is placed at the outer edge of the pile hole. The two columns are symmetrically arranged on both sides of the support base. The several sets of clamping arms are rotatably mounted on the columns. This secondary cleaning device, after clamping the air-lift reverse circulation pipeline, can prevent the pipeline from shaking back and forth, reducing safety hazards.

The utility model relates to the technical field of well drilling, in particular to fire-fighting security equipment for a mud tank area, which comprises a cabinet, and the cabinet is at least provided with a fire extinguishing agent storage bin, a fire extinguishing agent injection driving mechanism, an alarm linkage mechanism, a fire behavior detection mechanism and a main control mechanism. The main control mechanism is electrically connected with the fire extinguishing agent injection driving mechanism, the alarm linkage mechanism and the fire behavior detection mechanism so as to coordinate actions of all the mechanisms. According to the fire-fighting security equipment for the mud tank field, all the mechanisms are integrated in the cabinet, so that the overall structure is compact, fire extinguishing agents made of needed materials can be selected in the fire extinguishing agent storage bin according to environmental conditions and the like, the fire behavior detection mechanism can detect fire behaviors in real time, and the fire extinguishing agent spraying driving mechanism is started to automatically extinguish fire at the initial stage of the fire hazards; the mud tank alarm device is suitable for mud tank areas in remote areas, and is particularly suitable for night areas or unattended areas.

The utility model provides a slurry stirring device, which belongs to the technical field of water treatment equipment and comprises a stirring mechanism and a traveling mechanism. The stirring mechanism comprises a stirring shaft vertically arranged in the mud pit, a rotary power mechanism arranged at the top end of the stirring shaft and stirring blades arranged on the stirring shaft; the walking mechanism comprises an upper rail arranged at the top of the mud pit, a lower rail arranged at the bottom of the mud pit, a rack set fixedly arranged at the bottom of the rotating power mechanism body, upper rail wheels arranged at the bottom end of the rack set, a supporting base arranged at the bottom end of the stirring shaft and lower rail wheels arranged at the bottom end of the supporting base. The bottom ends of the upper track wheels are arranged on the upper track, and the bottom ends of the lower track wheels are arranged on the lower track; and the lower part of a rotating shaft of the rotating power mechanism is inserted into the rack group and is connected with the upper end of the stirring shaft inserted into the rack group. The problems that in the prior art, the equipment cost is high, a plurality of pieces of equipment are not convenient to maintain, and certain stirring dead angles exist can be solved.

This invention relates to an ultrasonic level gauge with protective properties, belonging to the field of level detection technology. It includes: an integrated ultrasonic probe; a detection unit connected to the opening of the mud tank's cover, the detection unit being connected to the integrated ultrasonic probe; and an auxiliary detection unit connected to the inner wall of the mud tank, the auxiliary detection unit comprising: a positioning plate connected to the tank body; an inner guide plate connected to the positioning plate; and an outer guide plate connected to the inner guide plate. The inner and outer guide plates, facing the direction of mixing of the formulated mud in the mud tank, form a gradually narrowing flow-limiting channel. A detection area is provided between the inner and outer guide plates, the width of which is greater than the minimum end of the flow-limiting channel. A drainage channel is provided at the end of the detection area away from the flow-limiting channel. This invention solves the technical problem in existing technologies where it is difficult to simultaneously operate multiple precise measuring devices at construction sites.

This utility model provides a mud filtration device and construction system for impact drilled cast-in-place piles, belonging to the field of building construction. It is used to solve the problem of low efficiency in separating mud and slag using gravity sedimentation in existing technologies. The device includes a first filter plate, a vibration mechanism, and a fixing mechanism. By installing a vibrating filter plate at an incline on the top of the mud tank, the vibration of the filter plate can quickly and effectively separate solid particles such as drill cuttings and sand from the mud. Compared with the traditional gravity sedimentation method, this significantly shortens the mud filtration time and improves the filtration efficiency. Simultaneously, the vibration of the filter plate causes the mud to move violently, promoting better separation of smaller, lighter solid particles from the mud, thereby significantly improving the quality of the filtered mud and making its performance indicators more in line with construction requirements. This is beneficial for ensuring the construction quality and stability of the impact drilled cast-in-place piles.

The application provides an early risk warning monitoring method and system based on video images, and belongs to the technical field of remote video monitoring, and comprises the following steps: configuring an infrared camera and a plane camera; images of drilling fluid at an outlet groove of an oil well mud tank are acquired respectively, and the images are transmitted to a control host in real time; the control host obtains temperature change of the drilling fluid based on the infrared images; volume change of the drilling fluid at the outlet groove is also obtained; the control host analyzes to obtain a first analysis result and outputs warning information, or the control host further acquires infrared images and plane images of a second time length based on processing of the warning information, maintains or changes the first analysis result and outputs the warning information. Through real-time analysis on the temperature and flow of the drilling fluid, downhole conditions corresponding to the first time length are predicted, so that targeted intervention measures are proposed, and execution of the intervention measures is tracked, thereby realizing automatic monitoring and closed-loop feedback.

The utility model relates to the related technical field of mud tanks, one embodiment of the utility model provides a mud tank with a floating oil suction device, the mud tank comprises a mud tank main body and a top cover, the top cover is arranged at the top of the mud tank main body and communicated with the interior of the mud tank main body, and a collector is arranged in the mud tank main body and communicated with the floating oil suction device. The floating assembly is arranged on the collector and the mud tank body, the switch assembly is arranged on the top cover, the floating assembly comprises a pair of stand columns, the stand columns are fixed between the interior of the mud tank body and the top cover, the collector is connected to the exteriors of the stand columns in a sliding and sleeving mode, floating boxes are fixedly connected to the surfaces of the two sides of the collector, and a pair of pulleys is arranged at the top of the top cover. By means of the technical scheme, the technical problems that in the prior art, an oil suction device at the fixed position cannot be adjusted according to the change of the slurry liquid level, when the liquid level rises or falls, an oil suction opening can be disengaged from an oil layer, and the oil suction effect is greatly reduced are solved.

The utility model relates to the related technical field of welding platforms, and provides a slurry tank welding platform which comprises a platform body and a plurality of bases, the bases are fixed to the bottom face of the platform body, rectangular grooves are formed in the two ends of the surface of the platform body, supporting assemblies are arranged on the platform body, and rectangular openings are formed in the surface of the platform body. The rolling adjusting assembly is arranged at the bottom of the platform, the supporting assembly comprises a pair of first sliding rails which are arranged at the two ends of the surface of the platform, second sliding rails are located on the two sides of the rectangular groove, a pair of supporting bases are slidably connected to the first sliding rails, a driving lead screw is arranged in the rectangular groove, and the supporting bases are connected with the driving lead screw in a threaded fit mode. By means of the technical scheme, the technical problems that in the prior art, due to the fact that a mud tank is usually large in size and irregular in shape, a planar welding platform lacks an effective fixing device, and the mud tank is difficult to be stably fixed to a proper position are solved.

The present application belongs to the technical field of machining equipment, and particularly relates to a vertical double-head machining center. The cooperation of the strong fan blade and the supporting plate enables the machining spindle to control the scrap blowing equipment to automatically clean the iron scraps and cutting fluid adhered to the surface of the part and the inner wall of the machining center after the completion of the cutting machining. Meanwhile, the cooperation of the supporting frame, the supporting frame and the sleeve enables the scrap blowing equipment to change the cleaning angle and provide a larger cleaning range, so that the dead angle of the fixed table of the machining center can be cleaned. The labor intensity of the workers is reduced, the unsafe factors during manual cleaning are avoided, the safety of the machining center is improved, the iron scraps generated during the cleaning of the machining center can be collected by the cooperation of the scrap frame and the filter plate, the small iron scraps and mud in the waste liquid tank that are not completely filtered can be pushed to the iron scrap mud tank at the rear side of the waste liquid tank by the scrap pushing plate, the cleaning work is simplified, the work efficiency is greatly improved, and the labor intensity of the operators is reduced.

The utility model discloses an adjustable slurry stirrer which comprises a base, a motor, a speed reducer, a coupler, an adjustable blade rod, an impeller mounting sliding sleeve, an impeller and a centralizing sleeve, the impeller is in key connection with the adjustable blade rod through the sliding sleeve, stepless adjustment of the height of the impeller is achieved through the adjusting bolt, and the requirements for different mud tank liquid level depths and turnover rates are met. The centralizing sleeve is composed of a fixing plate, a supporting sleeve and a replaceable rubber sleeve, swing of the blade rod is restrained through radial limiting, and the operation stability is improved. The stirrer overcomes the defects that an impeller of an existing stirrer is fixed and non-adjustable, the maintenance cost is high, and vibration of a long shaft is large, has the comprehensive advantages of being highly flexible in adaptation, rapid in modular maintenance and long in vibration suppression service life, and is suitable for optimization and upgrading of a drilling fluid solid phase control system.

The invention belongs to the technical field of oil drilling, and discloses a drilling fluid rheological property parameter regulation and control method and system and a storage medium, and the method comprises the steps: generating an initial regulation and control instruction based on a comparison result of a historical monitoring data set stored in cloud storage equipment and test information data of a test mud tank; training the neural network model based on the historical monitoring data set and the initial regulation and control instruction, and constructing a test mud tank regulation and control model; acquiring multiple groups of real-time monitoring data of the test mud tank, solving the test mud tank adjustment model by adopting a multi-objective optimization algorithm, and generating an optimal regulation and control instruction for adjusting rheological property parameters of the drilling fluid in the mud tank; and the optimal regulation and control instruction is applied to the control valve to regulate the rheological property of the drilling fluid. Under the condition that human intervention is not needed, automatic regulation and control can be accurately carried out on the rheological property of the drilling fluid, the drilling efficiency is improved, and the drilling risk is reduced.

The device comprises a slurry box, a protective ring and geotechnical cloth, the protective ring comprises L-shaped rods and an annular piece, a circular opening is formed in the bottom of the slurry box corresponding to a pile casing, the L-shaped rods are connected to the opening, the outer rings of the L-shaped rods are connected with the annular piece to form the protective ring, the protective ring is arranged on the pile casing in a sleeving mode, and the geotechnical cloth is arranged on the protective ring. And the geotechnical cloth is filled between the protective ring and the protective cylinder. According to the device for preventing the retaining wall slurry from overflowing during rotary excavating and hole forming, the slurry box is higher than the top elevation of the pile casing, the geotechnical cloth is reinforced through the steel bar protection ring, it is ensured that the geotechnical cloth and the pile casing are tightly attached, slurry leakage is prevented, the situation that the surrounding ground is polluted due to slurry overflowing is effectively prevented, and the civilized construction image and appearance are improved; the device is used as a slurry storage and circulation system during construction, space is saved, and the device can be hoisted to other parts for use at any time according to construction requirements and is convenient and flexible to use.

The utility model discloses a U-shaped mud storage tank, and relates to the technical field of drilling mud. The U-shaped slurry storage tank comprises a fixed bottom plate, a slurry tank and a rotating motor, and a supporting vertical plate is fixedly mounted at the top of the fixed bottom plate; and a driving motor and stirring blades are arranged on the mud tank. According to the U-shaped slurry storage tank, through the arrangement of the rotating motor, the slurry tank can be rotated, so that when the slurry tank is cleaned, the slurry tank can be overturned, waste water in the slurry tank can be conveniently taken out, the cleaning time of the slurry tank is greatly prolonged, and the cleaning efficiency of the slurry tank is improved; by arranging a limiting cylinder, the mud tank can be supported, the stability of the mud tank is improved, the situation that the mud tank shakes when the mud is stirred in the mud tank is avoided, and the mud tank can be supported through a connecting vertical plate, the limiting cylinder and a sliding rod; and the stability of the mud tank is further improved.

This utility model discloses a steel plate combined mud tank, including a bottom plate, a mud tank assembly on the top of the bottom plate, and an auxiliary assembly on the inner side of the mud tank assembly. The mud tank assembly includes two horizontal plates fixedly installed on the front and rear sides of the top of the bottom plate. The horizontal plates, vertical plates, and inclined plates form a complete mud tank. The horizontal plates, vertical plates, and inclined plates are all perpendicular to the bottom plate. This utility model relates to the field of building construction technology. This steel plate combined mud tank is formed by the perpendicular enclosure of horizontal plates, vertical plates, and inclined plates, with first and second reinforcing ribs connecting to the bottom plate. Support rods and support plates support the inclined plates. All components are made of stainless steel and welded together to form a high-strength and high-stability structure, which can effectively resist the pressure and external impact during mud storage, reduce the risk of deformation and collapse, ensure the long-term safe use of the mud tank, and adapt to complex engineering environments.

A dredge pump degassing device in trailing suction dredger excavation belongs to the technical field of trailing suction dredgers and comprises a dredge pump, a dredge structure, a hydraulic butterfly valve, a high-pressure flushing pump and a dredge cabin. At the moment, gas in a working medium is expanded at a suction inlet of the dredge pump due to low pressure, the gas at the suction inlet of the dredge pump is gathered to a duck tongue plate under the action of vacuum, a working water opening of the jet pump provides high-pressure water, the high-pressure water passes through a nozzle with a rapidly-convergent sectional area, and pressure energy of the high-pressure water is converted into speed energy; the water flow speed at the outlet of the nozzle is greatly increased, and the pressure of the water flow is reduced, so that a low-pressure area is formed at the outlet of the nozzle, gas in the duck tongue plate is sucked into the low-pressure area under the action of the pressure and is brought into the second connecting pipe in front of the nozzle by the high-speed water flow ejected by the nozzle, and the two fluids are subjected to momentum exchange; and under the diffusion action of the second connecting pipe, the speed of the mixed fluid is reduced, the pressure of the mixed fluid is increased, and the speed energy of the mixed fluid is converted into pressure energy to be discharged into a mud cabin.

The invention relates to a large deck walking crane rail installation method. The method comprises the following steps: calculating a deviation value: introducing the deviation value of an opening area of a mud cabin into an installation process; the rail is divided into multiple sections to be manufactured in a blanking mode, and the length of the rail sections at the two ends is smaller than that of the middle rail section; track positioning and splicing: track cushion block positioning and electric welding, track section positioning, a 3mm gap between adjacent track sections, track section butt welding, track cushion block adding at a butt seam, bottom plate electric welding of an I-shaped structure, and end backstop positioning and welding; and mounting the rack, the fixed eye plate and the cable guide device. The method has the advantages that the deviation value of the mud tank opening area is introduced into the actual rail mounting process, the rail sections are positioned firstly and then mounted, the rail section gap and the rail cushion block distance are controlled, the rail cushion blocks are added to the butt joint of the rail sections, the required straightness and flatness are met when the rail and the rack are spliced, mounting is efficient, and the mounting efficiency is high. Deformation of a deck walking crane rail is reduced, and walking eccentric wear of deck walking crane rollers is reduced.

The application discloses a large-scale drag suction ship high-efficiency dredging overflow device and particularly relates to the field of dredging overflow devices, which comprises a cylinder, the outer surface bottom end of the cylinder is provided with a mounting bracket, the mounting bracket is sleeved on the outer surface of the cylinder, the top end of the cylinder is fixedly provided with an input pipe, the bottom end of the cylinder is fixedly provided with an output pipe, the output pipe, the input pipe and the cylinder are all detachable structures, the top of the input pipe is provided with a top bracket, and the top bracket is fixedly installed at the top end of the inner wall of a mud tank. The application sets an inner disc in the baffle mechanism, adjusts the angle of the inner disc, controls the size of the output through hole on the baffle, adjusts the flow rate of the mixture overflow in the mud tank, and at the same time, the baffle mechanism can be opened after the complete deposition of the silt, the overflow of the river water in the mud tank is increased, the overflow efficiency is improved, and the dredging overflow device is adjusted according to the corresponding conditions, so that the practicability of the dredging overflow device is improved.

This utility model relates to the field of mixing equipment technology, and provides a hydraulic jet mud mixer. The hydraulic jet mud mixer includes a mud tank, a jet nozzle, a mud circulation loop, and a mud pump. The mud tank has a mixing chamber; the jet nozzle is located at the bottom of the mixing chamber and jets the mud towards the mixing chamber; one end of the mud circulation loop is connected to the jet nozzle, and the other end is connected to the upper middle part of the mixing chamber. The mud circulation loop is used to transport the upper middle layer of mud medium in the mixing chamber to the jet nozzle, and then jets it into the mixing chamber; the mud pump is located on the mud circulation loop and is used to pump the mud medium in the mud circulation loop to the jet nozzle. This application achieves a mud mixer with no mechanical wear, a long service life, and low maintenance costs; at the same time, it can achieve efficient mixing, significantly improving the solid phase dispersion efficiency.

The invention relates to the field of drilling engineering technologies and equipment, in particular to a mud tank structure for preventing sand setting at four corners of a mud tank and a design method. The mud tank structure capable of preventing sand setting at four corners of the mud tank comprises a cuboid tank body, a tank cover is arranged at the top of the tank body, a stirring unit extending downwards to be close to the tank bottom is arranged in the center area of the tank body, and a power device connected with the stirring unit and driving the stirring unit to rotate is arranged on the tank cover. The inner sides of the four side walls of the tank body are each provided with at least two vertically-extending turbulent flow units at intervals in the length direction. The mud tank has the advantages that the structural design is simple and reasonable, the mud flowing state of the four corners of the mud tank can be effectively improved, solid-phase sedimentation is reduced, the common problem of four-corner sand setting in the using process of a traditional rectangular mud tank is effectively solved, the volume efficiency of the mud tank is improved, the drilling fluid performance is improved, and the cleaning labor intensity of the mud tank is reduced.

The utility model discloses an improved back pressure plate in the technical field of dehydrators. The improved back pressure plate comprises a back pressure plate sealing plate, a sealing plate adjusting component and an incomplete sealing plate, the backpressure plate sealing plate is mounted at a sludge outlet of a sludge outlet box of the dehydrator, and is provided with a plurality of groups of through holes through which the spiral shaft penetrates; a plurality of groups of sealing plate adjusting components are arranged, are respectively mounted between the corners of the back pressure plate sealing plate and the sludge outlet box, and are used for adjusting the distance between the back pressure plate sealing plate and the sludge outlet; a plurality of groups of incomplete sealing plates are arranged, and the number of the incomplete sealing plates is equal to that of spiral shafts of the dehydrator; through the incomplete sealing plate mounted on the spiral shaft, the sludge outlet at the tail end is periodically covered and opened, so that moderate pressure at each part is ensured, the problem that a sludge cake is too wet due to insufficient pressure is avoided, the problem of blockage caused by overlarge pressure is also prevented, and the sludge cake is prevented from being blocked by the incomplete sealing plate through rotation of the incomplete sealing plate. And extruded mud cakes can be scraped in time, and continuous and efficient operation of equipment is guaranteed.

The invention discloses a mud treatment device for an underground deep hole chamber and a use method of the mud treatment device. The mud treatment device comprises a rectangular cavity; the partition plate is in sliding sealing fit with the inner wall of the rectangular cavity, and the space above the partition plate is a water storage cavity; the screen is in sliding sealing fit with the inner wall of the rectangular cavity, the space between the screen and the partition plate is a precipitation cavity, and the space below the screen is a muddy water cavity; one end of the upper supporting structure is mounted at the bottom of the partition plate; one end of the lower supporting structure is mounted at the top of the screen; the grouting pipeline is communicated with the side wall of the muddy water cavity; the deslagging pipeline is communicated with the side wall of the precipitation cavity; and the overflow pipeline is communicated between the side wall of the water storage cavity and the slag discharge pipeline. The device has the beneficial effects that the sedimentation tank, the mud tank and the water storage tank are integrated together, and efficient utilization of underground space is achieved.

The invention discloses an automatic well shut-in system and method under a tripping working condition, and belongs to the technical field of oil field well shut-in. The system comprises a wellhead overflow monitoring unit, a drilling tool lifting unit and a well shut-in unit, the wellhead overflow monitoring unit comprises a mud tank communicated with a wellhead through a pipeline, and a liquid level sensor is arranged in the mud tank; the drilling tool lifting unit comprises a lifting device connected with a drilling tool tripped into a well, and the lifting device is in signal connection with a well closing controller; the well shut-in controller is in signal connection with the liquid level sensor; the well shut-in unit comprises a blowout preventer arranged at a well mouth, the blowout preventer is connected with a blowout preventer remote console, and the blowout preventer remote console is connected with the well shut-in controller. And the blowout preventer console controls the blowout preventer arranged at the wellhead to close the well, so that the problems that the manual well closing response is not timely and the well closing speed is low are effectively solved, and the well control safety is essentially improved.

This invention relates to an indoor experimental apparatus and method for optimizing the structure of a bottom-hole alternating flow field generator. A lifting device is fixed at the center of the top of the test frame, and a top drive device is suspended at the lower end of the lifting device. A drill pipe is connected to the lower end of the top drive device, and a pulse generator and a PDC drill bit are screwed onto the lower end of the drill pipe. A transparent return channel is located below the PDC drill bit. The drain outlet of the transparent return channel is connected to a vibrating screen via a drain pipe and a drain valve. The vibrating screen is fixed above the mud tank. The inlet pipe of the mud pump is inserted into the lower part of the mud tank, and the outlet of the mud pump is connected to a high-pressure manifold. The outlet of the high-pressure manifold is connected to the inlet of the top drive device. A rock sample is placed below the PDC drill bit and fixed in the transparent return channel. Drilling mode experiments are conducted first, followed by bottom-hole flow field characteristic testing mode experiments to evaluate the performance of the pulse generator. This invention obtains the pulse jet-assisted rock-breaking effect under different parameters through experiments, which is beneficial for structural optimization and improving drilling speed.

The invention relates to the technical field of petroleum and natural gas extraction, and provides a leak-off and plugging evaluation device and method for simulating well wall scouring, the device comprises a mud tank, a circulating pump and a reaction barrel, one end of the mud tank is communicated with the circulating pump, the other end of the mud tank is communicated with the reaction barrel, the circulating pump is communicated with the reaction barrel, and the reaction barrel comprises an outer barrel and an inner barrel; an upper pressure valve is arranged on the outer cylinder, penetrates through the outer cylinder and is communicated with the inner cylinder; the side wall of the outer cylinder is provided with a first filtration opening used for containing a filter screen, the inner cylinder is provided with a second filtration opening used for containing filter paper, the first filtration opening and the second filtration opening are coaxially arranged, the outer cylinder is further in threaded connection with a return pressure receiver, the return pressure receiver is fixed to the first filtration opening, the return pressure receiver can play a filtration role, drilling fluid circulation is established, and the drilling fluid circulation rate is increased. The flow state from bottom to top is formed, the actual flow pattern and flow state in a shaft annulus are simulated, the real working conditions of high temperature, high pressure and drilling fluid scouring at the shaft bottom are reduced, and the problem that an actual scouring process cannot be simulated through a stirring method in the prior art is solved.

The invention relates to the technical field of resourceful treatment, in particular to a pile foundation construction slurry resourceful treatment method and device. Detecting whether the mud tank has defects or not based on the first information, obtaining a judgment result, and when the judgment result is that the mud tank does not have defects, transporting the mud tank to a resourceful treatment site by using a transport vehicle, and then obtaining second information; identifying the components of the pile foundation construction slurry according to the second information to obtain an identification result; the pile foundation construction slurry is separated according to the recognition result, and a separation result is obtained; according to the method, transportation safety is guaranteed by detecting the defects of the slurry tank through ultrasonic waves, slurry components are accurately recognized through multi-mode information, gravel, clay and heavy metal enrichment phases are separated out accordingly, efficient classified recycling of the slurry components is achieved, the resource utilization rate is increased, and the method is suitable for popularization and application. And limitation of unified processing is reduced.