Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

142results about How to "Save work time" patented technology

Method for top-driving casing job of drilling apparatus

A method for casing job by using a top drive drilling unit is applied to the petrol cementing technique field, and is characterized in that a casing elevator is used for lifting a single casing which is buckled with a casing string oppositely; a top-driven casing device is driven to tightly clamp the single casing; the top drive drilling unit is driven to revolve, which allows the single casing to be connected with the casing string; an air slips of a drill stand is loosed, which allows a top-driven flying ring and the casing elevator to support the single casing and the casing string; the single casing and the casing string are lowered; the air slips of the drill stand is used for fixing the single casing; slurry is poured to the interior cavities of the single casing and the casing string through a chief axis hydrophthalmia of the top drive drilling unit and a central spindle hydrophthalmia of the top-driven casing device; and finally, all the casing strings are lowered to the well bottom. The method has the advantages of reducing working equipments, simplifying working process, being capable of revolving casing string and cycling slurry timely according to the actual needs, increasing the automatic degree of the casing job, and improving the production efficiency and safety.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Operating route planning method for plant protection unmanned aerial vehicle and plant protection unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicles and in particular relates to an operating route planning method for a plant protection unmanned aerial vehicle and the plant protection unmanned aerial vehicle. The planning method comprises the following steps: acquiring boundary information of an operating land, and acquiring a boundary line of the operating land accordingto the boundary information of the operating land; determining an operation starting side, and drawing multiple navigation path segments parallel to the operation starting side according to the boundary information of the operating land, wherein the distance between two adjacent navigation path segments is a sprinkling width; and determining the route planning direction according to the operationstarting side, and performing route planning based on the navigation path segments until all waypoints in the operating land are covered, wherein the intersections between the navigation path segmentsand the boundary line are the waypoints. According to the operating route planning method and the plant protection unmanned aerial vehicle, an appropriate operating route can be rapidly planned according to the preset navigation path segments, so that the accurate operating coverage rate is improved, the phenomena such as missing sprinkling and excessive sprinkling are effectively reduced, the operating efficiency is improved, and crop growth is facilitated.
Owner:SHANGHAI TOPXGUN ROBOT CO LTD

H-shaped steel turning device

The invention discloses an H-shaped steel turning device and belongs to the field of a frock machine tool of a machine. The H-shaped steel turning device comprises two same turning machines, wherein the turning machine comprises a base, a turning frame and a motor; the turning frame is an open-close type round turning frame comprising an upper frame body and a lower frame body connected through a pin shaft; racks are embedded along the arc peripheries of the upper frame body and the lower frame body respectively; an H-shaped steel frame position is formed between the upper frame body and the lower frame body; the periphery of the turning frame is arranged in an arc-shaped track of the base in a matched way; the motor is engaged with the racks on the periphery of the round turning frame through a small gear of an output shaft of the motor so as to drive the turning frame to rotate; the two ends of H-shaped steel are respectively mounted in the H-shaped steel frame positions of the two turning machines; and the two turning machines adopt synchronous motors and drive the two turning frames to synchronously rotate with the H-shaped steel. The H-shaped steel can be turned through the device without a travelling crane and large quantities of auxiliary labors, so that the turning efficiency is high, the labor force and the operation time are saved, the operation is safe and convenient, and the production efficiency of products is improved.
Owner:HUBEI HONGYI BUILDING DECORATION ENG

Open hole staged fracturing well completion pipe string provided with controllable valve and hydraulic control switching pipe string

The invention discloses an open hole staged fracturing well completion pipe string provided with a controllable valve and a hydraulic control switching pipe string, which are suitable for well completion processes of horizontal wells and straight wells. The hydraulic control switching pipe string is tripped to open and close the open hole staged fracturing well completion pipe string provided with the controllable valve, so that multilayer-section fracturing well completion construction is realized, and development requirements of low-permeability oil reservoirs and unconventional oil and gas resources are met. The pipe string is sequentially connected with a drill stem running tool, a top suspension packer, a hydraulic control switching retention cylinder, a switchable control valve, an open hole fracturing packer connected with the control valve, a shaft isolating valve and a bottom circulating valve from top to bottom by using a bushing. The hydraulic control switching pipe string comprises a hydraulic control switching tool and a continuous oil pipe; and a set of hydraulic control switching tool is connected to the bottom of the continuous oil pipe. The switchable control valve has the internal drift diameter of the same size; sand fracturing well completion can be performed on a stratum by using the bushing; and thus, requirements of large-displacement and large-scale fracturing reconstruction are met, the crack length, the crack number and the flow guide capacity are increased, and the production capacity and the recovery ratio are effectively increased.
Owner:CHINA PETROLEUM & CHEM CORP +1

Controlled-valve placed well-cementing staged-fracturing well-completion string and hydraulically-controlled switch string

The invention discloses a controlled-valve placed well-cementing staged-fracturing well-completion string and a hydraulically-controlled switch string, which are suitable to be applied to a well-completion process for horizontal wells and vertical wells, and through tripping in the hydraulically-controlled switch string to start and close the controlled-valve placed well-cementing staged-fracturing well-completion string, multi-layer-and-section fracturing well-completion construction is realized, thereby meeting the needs of development on low-permeability oil reservoirs and unconventional oil/gas resources. The controlled-valve placed well-cementing staged-fracturing well-completion string, from top to bottom, is sequentially connected with a hydraulically-controlled switch tool detention cylinder, a switchable control valve and hydraulic casing centralizers connected with the two ends of the switchable control valve, a pressed settling valve and a bottom circulating valve by using a casing; and at least a set of switchable control valve and hydraulic casing centralizers connected with the two ends of the switchable control valve are equipped in the string. The hydraulically-controlled switch string comprises hydraulically-controlled switch tools and a continuous oil pipe, and a set of hydraulically-controlled switch tool is connected to the bottom of the continuous oil pipe. The switchable control valves are same in inner drift diameter (same in size), and can carry out well completion on stratums through the sand fracturing of the casing, thereby satisfying the needs of large-displacement and large-scale fracturing reformation.
Owner:CHINA PETROLEUM & CHEM CORP +1

Staged fracturing well completion method using hydraulic-controlled switch to open/close controllable valves

The invention relates to a staged fracturing well completion method using a hydraulic-controlled switch to open / close controllable valves, is used for staged fracturing well completion of sleeves in petroleum horizontal wells or vertical wells, and can meet the development demands of low-permeability reservoir and unconventional oil gas resources. The method comprises: arranging openable / closable control valves the number of which is corresponding to the layer stages required to be staged-fractured in a well in a fracturing well completion tubular pile, and installing the control valves in the well; connecting a set of hydraulic-controlled switch tool to the bottom by using a connecting oil pipe to obtain an operation tubular pile, and installing in the fracturing well completion tubular pile; and carrying out hydraulic control on the operation tubular pile, and opening / closing the selected openable / closable control valves in the fracturing well completion tubular pile by using the hydraulic-controlled switch so as to finish staged fracturing well completion construction of the sleeves in the well stage. The staged fracturing well completion method has the advantages that: controllable valves with maximum latus rectum can be used according to the specific condition of the well completion tubular pile; a set of hydraulic-controlled switch can realize opening / closing of multiple controllable valves; the fracturing stage number is not limited; sleeve sand fracturing well completion can be adopted in stratum; and the demands of large output and large-scale fracturing transformation can be met.
Owner:CHINA PETROLEUM & CHEM CORP +1

Recyclable type hydraulic packer

ActiveCN105781483AThe setting method is simpleEasy to unpackSealing/packingHigh pressureMechanical engineering
The invention relates to a recyclable type hydraulic packer and belongs to the field of oil and gas well operation downhole tools. The packer comprises an inner center pipe, an outer center pipe, a releasing claw, a bushing, a balanced connector, an oil drainage sleeve, an upper piston, a lower piston and a slip. The inner center pipe is sleeved with the outer center pipe. The releasing claw is arranged on one side of the outer center pipe. The bushing is arranged on one side of the releasing claw. A shear ring is installed on one side of the bushing through the balanced connector and a guide ring. The recyclable type hydraulic packer can bear the two-way pressure from the upper portion and the lower portion of the packer; 52 MPa high pressure can be borne by a sealing mechanism; when the slip enters a well and is unblocked and taken out, the slip is pressed through a spring and only stretches out when the cone acting force is applied to the slip under the action of the hydraulic force, and thus the advanced setting risks of a conventional packer can be effectively avoided; the packer is designed by adopting an integrated inner center pipe and can be directly connected with an oil pipe, the number of transfer buckle parts is decreased, the structure can be made more compact, the drift diameter is increased, and meanwhile the buckle disengagement risk of transfer buckles is avoided, so that the cost is reduced.
Owner:荆州市赛瑞能源技术有限公司

H-shaped steel overturning, welding and forming device

The invention relates to an H-shaped steel overturning, welding and forming device. The H-shaped steel overturning, welding and forming device comprises a welding robot moving mechanism, a steel plateconveying mechanism, and a plurality of clamping and overturning mechanisms arranged in the length direction of the steel plate conveying mechanism, wherein a web jacking mechanism and a wing plate jacking mechanism are further arranged on the steel plate conveying mechanism. The H-shaped steel overturning, welding and forming device is simple in structure, ingenious in design and suitable for welding of H-shaped steel components of various types, and ensures the welding quality and the welding precision; spot welding is performed through an electric welding machine; and the assembling precision, machining efficiency and automation degree of the H-shaped steel are greatly improved; the H-shaped steel can be directly assembled through the H-shaped steel overturning, welding and forming device with no need for a traveling crane and a large amount of auxiliary manual work; and the the H-shaped steel overturning, welding and forming device has high assembling operation efficiency, saves labor force and operation time, is safe and convenient, and improves the production efficiency of products.
Owner:ZHEJIANG CONSTR ENG GRP CO LTD

Hydraulic control device for offshore wind power piling

The invention relates to the technical field of wind power, in particular to a hydraulic control device for offshore wind power piling. Offshore wind power piling efficiency is improved. The device comprises an oil tank, an oil supply motor pump set, an air cooling circulating pump and three oil cylinder sets. The oil supply motor pump set comprises an oil supply motor pump, an oil supply filter and an oil supply overflow valve. An oil pumping opening of the oil supply motor pump is connected to a system oil supply pipe through the oil supply filter and is connected to the oil tank through the oil supply overflow valve. The system oil supply pipe is connected with at least one energy storage device. Oil cylinders in a first oil cylinder set and a second oil cylinder set are respectively provided with a reversing valve. Oil cylinders of a third oil cylinder set are respectively provided with a servo valve. Working openings of the reversing valves and working openings of the servo valves are connected working cavities of the oil cylinders which the valves belong to. Oil returning openings of the reversing valves and oil returning openings of the servo valves are connected to the oil tank. Pressure oil openings of the oil cylinders are connected to the system oil supply pipe. The device is suitable for mounting of an offshore wind power plant.
Owner:SHANGHAI HUIYI CONTROL SYST

Integrated offshore foundation reconnaissance and detection platform

ActiveCN106284267AAchieving comprehensive survey operation capabilitiesGuaranteed verticalityArtificial islandsFoundation testingMarine engineeringComputer module
The invention discloses an offshore foundation reconnaissance and detection integrated platform, and relates to the field of ocean engineering foundation reconnaissance. A cylindrical base stretches out of the sea surface through a transition section; the upper end of the cylindrical base is connected with a water platform; in-situ cross plate testing equipment, static cone penetration test equipment, full-flow penetration test equipment and drilling, sampling and reconnaissance operation equipment are mounted at the upper part of the water platform; a cylindrical partition is arranged inside the cylindrical base to form a reserved void compartment without a top plate; the top of the reserved void compartment without the top plate opens to the water platform; the number of negative pressure jet pumps and the number of negative pressure detection test modules are the same as the number of branch bins of the cylindrical base; four negative pressure jet pumps and four negative pressure detection test modules are arranged on the periphery of the top of the cylindrical base; inner air bags are arranged in the branch bins of the cylindrical base, and are used for adjusting and centralizing in the sinking process. The integrated offshore foundation reconnaissance and detection platform has the benefits that the platform and an offshore wind flashlight type basic mounting ship are coordinated to be used, no extra tug boat or other mounting equipment is needed, and the operation time and cost are greatly reduced.
Owner:THE FRONTIER TECH RES INST OF TIANJIN UNIV

Novel holder-type electrode shell structure and installation butting process thereof

InactiveCN109297309AEliminate the leak detection processStable and reliable double-sided welding qualityElectric heating for furnacesManufacturing technologyEngineering
The invention relates to a novel holder-type electrode shell structure and an installation butting process thereof, and belongs to the technical field of electrode shell manufacturing. A single-section electrode shell of the novel holder-type electrode shell structure comprises barrel bodies, inner rib plates, a guide spigot plate and outer rib plates, wherein the inner rib plates are equally welded to the inner walls of the barrel bodies; the outer rib plates are equally welded to the outer walls of the barrel bodies, and the upper barrel body and the lower barrel body are mutually butted through the guide spigot plate; during butting, the inner rib plates form one-to-one correspondence to the outer rib plates; reference lines, welded inside and outside the barrel bodies, of the inner ribplates and the outer rib plates are mutually parallel; the outer rib plates and the barrel bodies are welded in a staggered manner; and a low grinding amount for the outer rib plates during electrodeshell production and butting is achieved, so that the original evenness and smoothness of a material of a conductive part are guaranteed. The production procedures and the working time are saved, thequality of the electrode shell is improved, and the service life of a conductive component is prolonged; and during butting for the electrode shell, the requirement on the welding level of workers isgreatly lowered, and the welding quality can further be ensured.
Owner:韩爱华

Film mulching device for agricultural planting

InactiveCN112369264ARealize automatic soil coverOptimize operation sequencePlant protective coveringsElectric machineDrive shaft
The invention discloses a film mulching device for agricultural planting. The film mulching device for agricultural planting comprises a platform, and a film mulching roller and a winding wheel disc are rotationally installed on the lower end face of the platform; a driving motor is installed on the upper end face of the platform, a first transmission shaft is rotationally installed at the outputend of the driving motor, a first transmission belt is rotationally connected between the first transmission shaft and the film mulching roller, second transmission shafts meshed with the first transmission shaft through bevel gear sets are symmetrically and rotationally installed on the two sides of the upper end face of the platform, and swing mechanisms are symmetrically arranged on the two sides of the platform; and the swing mechanisms are rotationally connected with the second transmission shafts through second transmission belts, rotating rods are connected to the bottoms of the swing mechanisms, and buckets are fixed to the lower tail ends of the rotating rods. According to the film mulching device for agricultural planting, while the driving motor drives the film mulching roller to rotate for film mulching, the bevel gear are used for driving the swing mechanisms to synchronously operate, so that the buckets on the two sides are driven to periodically shovel soil blocks to theposition above a thin film, automatic soil mulching of the thin film is achieved, the operation time and labor are greatly saved, and the operation efficiency is improved.
Owner:佘衎

Mother-son drill bit spot sampling device

The invention relates to a mother-son drill bit spot sampling device comprising a coring pipe, and the coring pipe comprises an inner cylinder and an outer cylinder; the end portion of the coring pipe is provided with a mother drill bit, drill teeth are fixedly installed on the mother drill bit at an interval, a son drill bit is embedded into the mother drill bit, and the mother drill bit is connected with the son drill bit through a locking device; the locking device comprises a locking latch, a baffle plate and a draw bar, the locking latch is arranged in pin holes in the mother drill bit and the son drill bit in a penetrating manner, the baffle plate is connected with the draw bar through a pin, the exterior of the locking latch is sleeved by a latch spring, and the upper end of the draw bar is arranged in the bottom of the son drill bit in a penetrating manner. The mother-son drill bit spot coring device takes fast spot sampling required by coal seam gas extraction effect examination as the technical condition, the mother and son drill bits are locked and drill in a linked manner when sampling is not carried out, an unlocking device is started when a predetermined sampling position is reached, the mother drill bit takes samples in the manner of a sampling pipe, time is saved, positioning is accurate and sample mixing can be avoided, and the aim of fast spot sampling is achieved.
Owner:HENAN POLYTECHNIC UNIV

Method for top-driving casing job of drilling apparatus

A method for casing job by using a top drive drilling unit is applied to the petrol cementing technique field, and is characterized in that a casing elevator is used for lifting a single casing which is buckled with a casing string oppositely; a top-driven casing device is driven to tightly clamp the single casing; the top drive drilling unit is driven to revolve, which allows the single casing to be connected with the casing string; an air slips of a drill stand is loosed, which allows a top-driven flying ring and the casing elevator to support the single casing and the casing string; the single casing and the casing string are lowered; the air slips of the drill stand is used for fixing the single casing; slurry is poured to the interior cavities of the single casing and the casing string through a chief axis hydrophthalmia of the top drive drilling unit and a central spindle hydrophthalmia of the top-driven casing device; and finally, all the casing strings are lowered to the well bottom. The method has the advantages of reducing working equipments, simplifying working process, being capable of revolving casing string and cycling slurry timely according to the actual needs, increasing the automatic degree of the casing job, and improving the production efficiency and safety.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products