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32results about How to "Save operating cost" 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

Catalyst for preparing light aromatic hydrocarbon by synthetic gas one-step process, and preparation method and application thereof

The invention discloses a catalyst for preparing light aromatic hydrocarbon by synthetic gas one-step process, and a preparation method and an application thereof. The catalyst comprises a Fischer-Tropsch synthesis catalyst and an aromatization catalyst, wherein the Fischer-Tropsch synthesis catalyst includes an oxide of Fe and an oxide of Mn, and a composite metal oxide can fully improve the high-temperature Fischer-Tropsch synthesis activity; the aromatization catalyst is a modified molecular sieve with HZSM-5 as a carrier and with Mo and Ni double metals as active components, and the aromatization performance can be significantly improved. Through the combination of the two catalysts, series coupling of a Fischer-Tropsch synthesis reaction and an aromatization reaction is achieved, a one-way conversion rate of CO is increased obviously, and at the same time, a technology route for preparing light aromatic hydrocarbon-benzene, toluene and xylene (BTX) by synthetic gas one-step process is exploited. Experiments verify that the conversion rate of CO reaches up to 98% or more, the selectivity of hydrocarbonyl of aromatic hydrocarbon reaches 73% or more, and the selectivity of hydrocarbyl of BTX reaches 53%. The catalyst for preparing aromatic hydrocarbon by the synthetic gas one-step process has the advantages of relatively good catalytic activity, good stability and simple preparation, and has relatively good industrial application prospects.
Owner:EAST CHINA UNIV OF SCI & TECH

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

Pluggable oil-layer anti-leakage valve

The invention relates to a pluggable oil-layer anti-leakage valve, mainly comprising an upper joint, an outer sleeve, a plate valve and a lower joint and the like. The pluggable oil-layer anti-leakage valve is characterized in that the upper joint is internally provided with a guide head and an elastic claw seat connected with the guide head; the elastic claw seat is in threaded connection with a switch sleeve; a locking claw is connected with the switch sleeve; a locking ring is sheathed on the excircle at one end of the locking claw; the circumference of the outer sleeve is provided with pressure balance holes which have the same quantity with pressure balance holes of the switch sleeve; at least four sealing rings are arranged between the switch sleeve and the outer sleeve; a valve seat is connected in the lower joint under the switch sleeve, and is provided with a valve plate by a pin shaft; and the pin shaft is provided with a return spring. The pluggable oil-layer anti-leakage valve has the advantages that the leakage of completion fluid is reduced, the pollution of an oil layer is prevented, the operating procedure is simplified, the operating time is saved, the operating efficiency is improved and the operating cost is reduced; the anti-leakage valve is designed to be large diameter, so that the conventional pipe column can pass freely; and the plate valve can be opened repeatedly for multiple times by a special tool, and is made of drillable materials, so that when the plate valve can not be opened by the special tool, the valve plate can be fast drilled by a drill bit.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Graphene-based cigarette paper and preparation method thereof

The invention relates to graphene-based cigarette paper and a preparation method thereof and belongs to the technical field of cigarette materials. The preparation method includes: soaking graphene oxide into a solvent, performing ultrasonic treatment to obtain graphene oxide dispersion liquid, adding cigarette perfume, a humectant and functional auxiliaries into the graphene oxide dispersion liquid, and evenly mixing to obtain a graphene functional compound; applying the graphene functional compound to the surface layer of cigarette paper, and drying to obtain graphene-based cigarette paper;or adding the obtained graphene functional compound in a papermaking preparation procedure, and then using a conventional preparation process to prepare the graphene-based cigarette paper. The graphene-based cigarette paper and the preparation method thereof have the advantages that the difficulty that fragrance carried by the cigarette paper is prone to volatilization loss, cigarette smoke form can be modified by the aid of the characteristics of graphene, and cigarette sensory quality can be improved; in addition, the graphene functional compound can be applied to the cigarette paper throughspraying/spin coating so as to endow the cigarette paper with personalized patterns, and cigarette fragrance/smoke is enriched and regulated while cigarettes are endowed with double perception and experience of vision and smell.
Owner:CHINA TOBACCO YUNNAN IND

Etherification method combined with catalytic cracking absorption stable system

The invention provides a hydrocarbon etherification method which is combined with a catalytic cracking absorbing stabilizing system; after being mixed with the chosen fatty alcohol, the hydrocarbon etherification raw materials are sent into a pre-etherification reactor, and reacts with a pre-etherification catalyst in a contact way; without separation, the reaction products are directly put into catalytic cracking stabilizer after being mixed with the chosen fatty alcohol; during the reaction period in the catalytic cracking stabilizer, the reaction products react in contact with the etherification catalyst for fractionation, separated liquefied gas can be obtained from the top of the stabilizer, while stabilized gasoline containing ether compound is obtained from the bottom of the stabilizer. The method fully makes use of the mass transfer and heat transfer conditions of the catalytic cracking stabilizing system, which does not only reduce the energy and material consumption, but also obtains the stabilized gasoline with low content of olefin, high octane value and qualified vapor pressure; the method has great suitability towards the characteristic that domestic catalytic gasoline has high content of olefin, which can provide more operating flexibility for refineries to produce gasoline of high index.
Owner:CHINA PETROLEUM & CHEM CORP

Lubricating oil injecting device for electric equipment

A lubricating oil injecting device for electric equipment comprises an operating rod, an oil injection bottle, a first control connection rod and a second control connection rod. Two ends are arranged on the operating rod. One end is an installing part, and the other end is a handheld part. The oil injection bottle is detachably installed on the installing part of the operating rod and parallel to the operating rod. The oil injection bottle is provided with an oil injection valve and an oil injection nozzle. The interior and the exterior of the oil injection bottle are communicated through the oil injection valve. The oil injection nozzle is communicated with the oil injection bottle through the oil injection valve. The first control connection rod is transversely arranged above the oil injection bottle. One end of the first control connection rod is connected with the top end of the installing part of the operating rod in a pivoted mode, and the other end of the first control connection rod is arranged over the oil injection valve. The second control connection rod is arranged between the oil injection bottle and the operating rod. One end of the second control connection rod is connected to the first control connection rod, and the other end of the second control connection rod extends to the bottom end of the oil injection bottle. When the second control connection rod is pulled downwards, the first control connection rod is driven to move downwards and abut the oil injection valve, and the oil injection valve makes lubricating oil in the oil injection bottle sprayed out through the oil injection nozzle under the pressure of the first control connection rod; and the lubricating oil injecting device is safe and capable of saving oil and greatly improves work efficiency.
Owner:TAIAN POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +2

Method for processing steamed buns long in shelf life and low in glycemic index

InactiveCN109259076AGood storage stabilityMake up for the deficiency of lysine contentYeast food ingredientsFood ingredient functionsWheat germEconomic benefits
The invention discloses a method for processing steamed buns long in shelf life and low in glycemic index. The storage stability is improved by wheat germs obtained after extrusion swelling treatment,the wheat germs are smashed and then are added into wheat flour, the defect of insufficient lysine content in the wheat meal is overcome, the amino acid proportion in the wheat meal is balanced, thenutrition value is improved, skin of sorghums are also softened and removed, and the problem is solved that tannin contained in the skin of sorghums affects the nutrition value and taste. The steamedbuns made from raw materials such as skin-removed sorghum flour, wheat germ flour and the wheat flour are closer to commo steamed buns in appearance and taste, the glycemic generation index of the steamed buns is reduced, steam bun semi-finished products are frozen and stored by means of a dough freezing technology, the shelf life is prolonged, the quality and freshness are ensured, and economic benefit is improved. The steamed bun processing method is low in cost and is simple, the taste and health-care function of the steam buns are good, and the steam buns are suitable for healthy people and diabetes patients to eat and are worthy of popularization.
Owner:刘敏

Chemical loop power generation device based on casing pipe reactor

The invention discloses a chemical loop power generation device based on a casing pipe reactor. The device comprises an air separating machine, a first air compressor, the casing pipe reactor, a firstturbine, a second air compressor and a second turbine. An inlet of the air separating machine communicates with an air source, a first outlet of the air separating machine communicates with a nitrogen pipeline, a second outlet of the air separating machine communicates with an inlet of the first air compressor, an outlet of the first air compressor communicates with an inlet of the casing pipe reactor, an outlet of the casing pipe reactor communicates with an inlet of the first turbine, and an outlet of the first turbine communicates with a waste heat boiler; an inlet of the second air compressor communicates with a fresh air source, an outlet of the second air compressor communicates with the inlet of the casing pipe reactor through a pipeline, an outlet of the casing pipe reactor communicates with an inlet of the second turbine, an outlet of the second turbine communicates with the outlet of the waste heat boiler, and a reduction oxygen carrier is arranged in the casing pipe reactor. The chemical loop power generation device has the beneficial effects that the casing pipe reactor is used, acting power generation is carried out while heat is transmitted, and energy consumption ofcarbon dioxide capturing is obviously reduced.
Owner:WUHAN UNIV OF TECH

High temperature resisting thixotropic cement slurry system and preparation method thereof

The invention discloses a high temperature resisting thixotropic anti-fluid-channeling well cementing cement slurry system. The high temperature resisting thixotropic anti-fluid-channeling well cementing cement slurry is prepared from the following components in parts by weight:100 parts of cement, 1 to 4 parts of a thixotropic agent, 8 to 13 parts of micro silicon, 2 to 4 parts of a dispersing agent, 2 to 3 parts of a retarder, 2 to 3 parts of a fluid loss agent, 0.1 to 0.25 part of sodium hydroxide, 0.5 to 1 part of a defoaming agent, 30 to 35 parts of silica sand of180 meshes, 15 to 20 parts of silica sand of 80 meshes and 53 to 60 parts of water. The cement system disclosed by the invention has the following characteristics: firstly, the thixotropy performance is good under high temperature condition and an internal structure is easy to destroy after a machine is shut down and started; secondly, the cement system has good strength characteristics which meets strength requirements of cementing construction; thirdly, the cement slurry has good thickening performance, fluidity energy, sedimentation stability, right angle thickening characteristics and less water loss so as to meetthe requirements of site construction; fourthly, the operation time and cost are saved and technical support is provided for cementing formation which is easy for leak and fluid channeling.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Multifunctional tower capable of supporting injection head to move and replacing tools and using method of multifunctional tower

The invention relates to a multifunctional tower capable of supporting an injection head to move and replacing tools and a using method of the multifunctional tower, and belongs to the technical field of oil field equipment. According to the technical scheme, a supporting frame (5) is welded in a top-layer telescopic tower (1), the supporting frame is of a rectangular frame structure formed by welding a plurality of square pipes (21) and square pipes (20) with holes, the square pipes are welded to form two symmetrically-arranged side frames, the number of the square pipes with the holes is four, every two square pipes with the holes form a group, and the two groups of square pipes with the holes are arranged between the two side frames in an up-down parallel mode. A tool suspension assembly is arranged between the two square tubes with holes at the upper part; and a blowout prevention pipe fixing assembly is arranged between the two square pipes with holes at the lower part. The height of the telescopic tower can be adjusted, and the telescopic tower is suitable for various environments; the top-layer telescopic tower is provided with the tool hanging assembly and the blowout prevention pipe fixing assembly which can fix a tool and a blowout prevention pipe and are used for tool replacement, repeated lifting of an injection head is avoided, and operation time and cost are saved.
Owner:华信唐山石油装备有限公司

Environment deployment method and device, electronic equipment and storage medium

The invention relates to an environment deployment method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a to-be-deployed service package in a target deployment request in response to the target deployment request; obtaining a target service package corresponding to the target service; and performing environment deployment by using the to-be-deployed service package and the target service package to obtain a target environment. Through the scheme of the invention, even if a demand side does not know each service on the whole link of the target environment, the deployment of the whole target environment can be completed only through the to-be-deployed service package of the to-be-tested service needing to be replaced by the target environment; through obtaining the target service package corresponding to the target service, the service packages of other services except the to-be-tested service in the target environment can be automatically complemented, it is ensured that an overall link corresponding to the target environment can be normally available, manpower learning and operation cost is saved, and even people with few deployment experience can complete deployment of the target environment.
Owner:上海众源网络有限公司

Preparation method for nano CT sample of catalytic layer of proton exchange membrane fuel cell

The invention belongs to the field of fuel cells, and particularly relates to a preparation method for a nano CT sample of a catalytic layer of a proton exchange membrane fuel cell. The preparation method comprises the following steps of (1) prefabricating a film-coated sample of the catalytic layer of the proton exchange membrane fuel cell into a sample strip with a tip; (2) adhering the sample strip to an objective table and projecting the tip of the sample strip from the objective table; and (3) fixing the objective table adhered with the sample strip to an FIB (Focused Ion Beam) workbench,processing the tip of the sample strip for the first time through an FIB, cutting off a redundant sample area by the FIB, then turning over the objective table adhered with the sample strip by 90 degrees, and processing the tip of the sample strip for the second time to prepare the nano CT sample of the catalytic layer of the proton exchange membrane fuel cell. According to the method, the FIB isused for fine processing, so that the integrity of the structure of the sample of the catalytic layer of the proton exchange membrane fuel cell, particularly the three-dimensional porous structure inthe catalytic layer can be effectively ensured.
Owner:WUHAN UNIV OF TECH
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