110results about How to "Increase oil production rate" patented technology

The invention discloses a preparation method for a high-temperature delay type organic zirconium cross-linking agent. The preparation method comprises the following steps of: sufficiently dissolving inorganic zirconium salt in water and adding a proper amount of organic acid; under the catalytic action of NaOH, controlling the pH value of the system and raising the temperature and reacting to obtain organic acid-zirconium prepolymer; keeping the temperature constant, adding a ligand and a cross-linking shielding agent into the organic acid-zirconium-prepolymer to perform reaction; continuously keeping the temperature constant, adding polyalcohol and a high-temperature stabilizing agent, adjusting the pH value and reacting at constant temperature; removing the high-temperature stabilizing agent residue after reaction is finished so as to obtain the modified clarified transparent high-temperature delay type cross-linking agent. The aqueous fracturing fluid prepared by the invention has good shear resistance, good sand carrying property and wide application prospect, greatly enhances the heat resistance property, reduces the use cost and relieves damage to the stratum environment.

The invention relates to a fracturing proppant used for oil and gas wells, which is prepared with the following materials by weight: 80 to 88 portions of low content bauxite, 1 to 4 portions of manganese ore, 2 to 3 portions of potash feldspar, 2 to 4 portions of solid soluble glass, 1 to 5 portions of calcium mountain meal, and 1 to 5 portions of French chalk. The quality of the fracturing proppant is stable; the break resistance is high; the acid corrosion resistance is high; the volume density is low; the fracturing proppant can effectively prop up fracture, and significantly improve the permeability in the fracture so that oil and gas flow smoothly, and the oil productivity is improved. In addition, the raw materials and the preparation method are simple, and low requirements are proposed about the raw materials, and the fracturing proppant is prepared simply.

A multimode linkage three-dimensional proportion simulation system of steam injection for thermal recovery of an oil reservoir comprises a steam injection system, a reservoir model body, an overburden pressure system and a data acquisition and graphic system; wherein, the overburden pressure system consists of a spherical pressure tank, a triple pump, a relief valve, an electrical heating component and temperature control interfaces and various pipeline interfaces thereof as well as corresponding connecting pipelines and valves. The technical proposal solves simulation of steam throughput elastic energy and the unique design of a cap layer, a bottom layer and the overburden pressure system ensures transmission of heat to the cap layer and the bottom layer, simulation of mass transfer and control of the overburden pressure during steam injection for thermal recovery of an oil layer.

The invention discloses a method for preparing fuel oil with a high calorific value by upgrading biological oil (high-speed thermally cracked biomass oil), and particularly relates to a method comprising the steps of firstly, adding water to divide the biological oil into a water soluble phase and an oil soluble phase, and then, upgrading the water soluble phase by using a chemical extracting-to-coupling conversion technology and upgrading the oil-soluble phase through hydrodeoxygenation. The method can be used for subjecting compounds such as acid, aldehyde and the like in the water soluble phase and fatty alcohol with 1-4 carbon atoms to esterification and acetalation to obtain ester, acetal, hemiacetal and the like with good combustibility, and the fuel oil with the high calorific valueis prepared after the oil soluble phase is subjected to hydrodeoxygenation. The method has the advantages that few cokes are generated in an upgrading process, and after being upgraded, an oil product is low in water content and acid value, high in calorific value and the like.

The invention belongs to the technical field of pulverized coal pyrolytic hydrogenation reaction devices and processes, and particularly relates to a novel pulverized coal pyrolytic hydrogenation reactor and a pyrolytic hydrogenation reaction method. The novel pulverized coal pyrolytic hydrogenation reactor and the pyrolytic hydrogenation reaction method mainly solve the technical problems of high cost, low heat recycling rate, low utilization rate of raw materials, severe waste and severe pollution of existing coal-to-liquid equipment and strict requirements on reaction conditions and low oil yield of a coal-to-liquid method. The novel pulverized coal pyrolytic hydrogenation reactor adopts the technical scheme by comprising a reaction chamber, at least one conversion furnace, at least one syngas nozzle, a quick-cooling chamber, a first-stage separator, at least two constant-force hangers, a second-stage separator and a third-stage separator, wherein the reaction chamber is provided with a pulverized coal nozzle, the at least one conversion furnace is provided with a process burner, and the number of the syngas nozzle is the same as that of the conversion furnace. The novel pulverized coal pyrolytic hydrogenation reactor has the advantages of simple structure, energy conservation, environmental friendliness, low energy consumption, high heat recycling rate and high coal-to-liquid rate.

The invention provides a complex plug removal water injection agent used for a water injection well of a sandstone reservoir and a preparation method thereof, and discloses a self-synthesized organic cation low molecular weight polymer with well prevention of clay swelling and transport of clay particle, and excellent anti-erosion property. According to the invention, selected and used hydrofluoric acid, formic acid and acetic acid have well dissolution and corrosion properties for sandstone and retarding property, so that the action between the acid and the sandstone is slowed down, the depth of the entering of the acid is increased to be able to acidize deeply so as to effectively relieve the plug of rock particles and scales; a self-synthesized phosphinic acid group polyacrylic acid biopolymer anticrustator has well anti-calcium scale ability to retard the plug of scales, the added dyhydroxylpolyoxy propylene polyoxyethylene ether has excellent anti-emulsification and demulsification abilities for the emulsification caused by water injection and acidification of an oil field, and the using of the complex plug removal water injection agent makes innovative demonstration effect for improving the oil productivity.

The invention provides a DHA fermenting high-yielding method. The DHA fermenting high-yielding method includes the steps that schizochytrium limacinum strains are domesticated through a culture medium with a strong oxidant, the domesticated strains are cultured through a fermenting culture medium, and fermenting high yielding of DHA can be achieved accordingly. After the domesticated strains are fermented, the DHA content is 57.9%, and oil-producing efficiency is 0.492 g/L/h; compared with a control group, the DHA content and the oil-producing efficiency are increased about 20% and 55% respectively. The domesticating method does not involve a genetic engineering method, does not harm the environment, does not increase manpower and material resources, is simple and convenient, and has economic benefits.

The invention discloses a quick hydropyrolysis reactor and a process thereof and relates to pyrolysis of coal, solving the problems that the exiting pyrolysis process is high in energy consumption and low in oil extraction rate. A reactor is provided with a synthesis gas nozzle, a hydrogen nozzle and a coal ash nozzle as well as temperature measuring points of the reactor, wherein the synthesis gas nozzle is communicated with a natural gas and oxygen inlet pipe and is further communicated with a cooling water inlet/outlet; a chilling tank is communicated with the bottom of the reactor, the chilling tank is connected with a water inlet and a water outlet, and the chilling tank is provided with a cooling water nozzle, temperature measuring points of the chilling tank and an outlet of a chilling room. The process comprises the following steps: firstly, feeding the synthesis gas into the reactor; conveying coal ash for quick pyrolysis reaction in a hydrogen atmosphere; and then quickly decreasing the temperature to terminate reaction. The reactor and process disclosed by the invention are used for the coal-to-oil field and have the advantages of simple structure, low energy consumption, high coal conversion rate and high oil product yield.

The invention relates to a method for manufacturing fuel through straw quick thermal cracking and a fuel product thereof. The method comprises the following steps: crushing straw materials; drying the crushed materials; carrying out thermal cracking of the dried materials; completing gas-solid separation of the thermal cracking products; condensing gaseous biomass oil; collecting low-boiling point biomass oil; and mixing and grinding biomass carbon obtained after gas-solid separation, condensed biomass oil, water and surfactant. The fuel product comprises the following components in percentage: 30 to 60 percent of the biomass carbon, 2 to 15 percent of the heavy biomass oil, 0.2 to 1 percent of the surfactant, and the balance of water. The method converts straw through quick thermal cracking and makes straw into the novel fuel product of the biomass oil, the biological carbon and the water; moreover, the method has the advantages of lower production cost, higher yield of biomass fuel and better control of quick thermal cracking conditions. The fuel product has the advantages that the product has high thermal value and low sulphur content and does not block up pipelines and burner nozzles frequently during combustion; moreover, the product has stable performance and is convenient for transportation and storage. Therefore, the fuel product can be widely used in thermal power plants, heating boiler rooms, and the like.

The invention discloses a method for ultrasonic-assisted extraction of olive pomace oil. The method comprises the following steps: 1, preparing an olive pomace oil raw material; 2, adding n-hexane to the olive pomace oil raw material, and carrying out ultrasonic-assisted extraction to obtain crude olive pomace oil; 3, carrying out waterless washing long-mixing depickling treatment on the crude olive pomace oil to obtain depickled olive pomace oil; 4, dehydrating the depickled olive pomace oil to obtain dehydrated olive pomace oil; 5, respectively carrying out primary decoloring and secondary decoloring treatment on the dehydrated olive pomace oil to obtain double decolored olive pomace oil; and 6, deodorizing the double decolored olive pomace oil to obtain finished olive pomace oil. The method for ultrasonic-assisted extraction of olive pomace oil has the advantages of simple process, safety, environmental protection, high efficiency, fastness, good oil quality and high oil yield, and is suitable for small-lot production of the olive pomace oil.

The invention provides an oil preparation and gas production system and technology by conducting pressurization, hydrogenation and pyrolysis on large-sized seaweeds. The system comprises a rapid thermal cracking system and a secondary pyrolysis system; the rapid thermal cracking system comprises a pressurization feeding system, a rapid thermal cracking system, a particle separation device, a filtration device, a hydrogen material flow pipeline, a flammable gas tank, an oil-gas separator and an oil storage tank, the secondary pyrolysis system comprises a secondary pyrolysis furnace, a secondary pyrolysis fuel bin and a dreg falling opening, and the second pyrolysis furnace comprises two feed inlets. The whole system is simple in structure, the oil yield of seaweed biomass is high, the problems of solid waste semicocke losses and environmental pollution are avoided, and efficient and clean utilization of the large-sized seaweed biomass resource is finally achieved.

A method and device for producing fuel using waste plastics is disclosed. The method contains heating, catalytic pyrolysis, fractionating, separation, filtering and so on. The characters of the method are that a mixture of activated kaoline (carclazyte) and natural bussokuseki is used for catalyst to increase oil rate of the material, medium frequency heating using medium frequency induction furnace to connect the copper pipe outside is used to make copper pipe generate electromagnetic radiation to heat the materials in the furnace with the characteristics of electricity-saving and quick heating. The device contains cracking furnace, fractionating furnace, condenser and electromagnetic heating device. The characters of the device are that the furnace pipe of the cracking furnace is 8 type so as to save material, increase capacity, save energy and increase efficiency, articulated chain is used to scrape the bottom and resulting in non-sticky, and vermiculite is used as heat insulator and epoxide resin is used as sheathing material.

The invention discloses a moving bed self-heating type pressure gasification hydrogen-rich environment dry distillation furnace and a dry distillation method thereof. The dry distillation furnace comprises a storage bin, a material lock, a dry distillation furnace body, an ash lock and an ash bin, wherein the storage bin is arranged on the upper part of the material lock and connected with the material lock through a material lock upper valve; the material lock is arranged on and connected with the upper part of the dry distillation furnace body a material lock lower valve; a thermal-insulation layer or a cooling layer is arranged on the outer wall of the dry distillation furnace body; a gasifying agent inlet is formed in the lower part of the dry distillation furnace body, and an oil-gas outlet is formed in the upper part of the dry distillation furnace body and communicated with the inner part of the furnace body; a rotary furnace grate is arranged between the lower part of the inner wall of the dry distillation furnace body and the ash lock; the ash lock is arranged on and connected with the lower part of the dry distillation furnace body an ash lock upper valve; the ash bin is arranged on and connected with the lower part of the ash lock by an ash lock lower valve. The dry distillation method comprises steps of loading materials, performing pressurized distillation, and discharging ashes. The moving bed self-heating type pressure gasification hydrogen-rich environment dry distillation furnace has the characteristics of being simple in structure, high in oil yield rate, good in oil quality, high in heating efficiency, high in coal gas heat value, capable of sufficiently utilizing chemical latent heat of fixed carbon, less in carbon content in outlet ashes, good in activity, strong in raw material adaption and high in source utilization rate.

The invention discloses an integrated recycling system for co-hydrothermal preparation of oil with sludge and microalgae and culture of microalgae with waste liquid. The system comprises a microalgaeculture device and a hydrothermal liquefaction reactor. The cultured microalgae are adopted as the raw material and are compounded with sludge in proportion, then the mixture is input into the hydrothermal liquefaction reactor, the liquid phase in the pyrolysis product of the hydrothermal liquefaction reactor is input into the microalgae culture device and mixed with sewage in proportion, then themixture is used as the microalgae culture raw material, thus purifying sewage and avoiding the discharge of carbon, nitrogen and phosphorus elements in the liquid phase. The system provided by the invention has high economic, environmental and social benefits, is effectively applicable to treatment of urban sludge treatment with growing industry and can produce considerable economic and environmental benefits.

The invention discloses a method for catalytic cracking treatment of waste/used tires and belongs to the technical field of reutilization of the waste/used tires. The method is used for solving the problems in the prior art that the recovery rate is low, carbon black granules are large in size, and the pollution is heavy. The method for the catalytic cracking treatment of the waste/used tires comprises the procedures of raw material pretreatment, primary catalytic cracking, secondary cracking, distillation and desulfurization, wherein the secondary cracking means adding a solid-state cracked product produced from primary catalytic cracking into a secondary cracker for secondary cracking, subjecting produced cracked gas to dedusting and desulfurizing, and then, storing up the cracked gas. The method can be applied to the catalytic cracking treatment of the waste/used tires.

The invention discloses an extraction method of rose essential oil as well as the rose essential oil, and belongs to the technical field of an extraction process of the rose essential oil. The extraction method comprises the following steps: A, treating raw materials: adding fresh rose flowers into a distillation kettle; B, performing steam billowing distillation: introducing steam in the distillation kettle, performing billowing distillation on the fresh rose flowers, controlling and adjusting the temperature of a water outlet of condensed water as well as controlling and adjusting distillation time, wherein the form that the steam enters the distillation kettle is vertical multi-layer interval distribution; and C, separating: enabling oil and water mixed steam generated in the distillation kettle to pass through a condenser and then enter a separator to perform separation, and collecting the rose essential oil. The technical problem of incomplete and non-uniform cooking caused by thefact that the rose flowers is liable to bond into layers in the cooking process in the prior art that can be solved, and the technical effects of increasing the oil yield of the rose essential oil and improving the quality of the essential oil can be achieved.

The invention discloses a thermal mining system of a marine heavy oil field and a mining method. The system comprises a seawater desalination subsystem, a steam preparation subsystem, a steam injection subsystem and an oil/gas production subsystem, and the steam preparation subsystem, the steam injection subsystem and the seawater desalination subsystem are arranged on a fixed or floating marine production platform. The method comprises seawater desalination, steam preparation, steam injection and oil/gas production. By adopting the integrated system with the seawater desalination device, the marine steam preparation device, the steam injection device and a marine mining device, the problems of marine freshwater sources and steam preparation can be solved, and basic conditions can be provided for thermal mining of marine heavy oil and steam. Due to the adoption of the flexible fuel supply and a burner with a wide scope of application, convenience is provided for marine steam preparation. Moreover, the economic performance of thermal mining of marine heavy oil and steam can be greatly improved.