60 results about "Petroleum sulphonate" patented technology

The invention relates to the technical field of the production and utilization of natural gas hydrate, and particularly relates to a composite gas accelerant and an application method thereof. The composite accelerant is prepared by mixing betaine acetate used as an additive, mahogany petroleum sulfonate used as a surface active agent and alkyl amine oxide, wherein by total mass of a mixed aqueous solution, the mass percentage of betaine acetate is 1 to 3 percent; the mass percentage of the surface active agent mahogany petroleum sulfonate is 1.2 to 4.5 percent; the mass percentage of amphiprotic surface active agent alkyl amine oxide is 3 to 5 percent; and the rest is deionized water. The prepared hydrate accelerant is simple in preparation method and good in accelerating effect; the accelerant can effectively improve the generation of hydrate, and the gas hydrate generation condition and generation time can be greatly reduced by virtue of little accelerant, so that the energy consumption can be effectively reduced, and the energy and cost can be saved.

The invention discloses environment-friendly nodular cast iron antirust oil which comprises the following components in parts by weight: 0.2-1 part of a corrosion inhibitor, 17-26 parts of an antirustagent, 0.1-1 part of an antioxidant, 1-3 parts of a film-forming agent, 2-8 parts of a dispersing agent, 30-50 parts of base oil and 20-50 parts of environment-friendly solvent oil. The antirust agent comprises lanolin metallic soap and mahogany petroleum sulfonate. Under the condition that barium and other heavy metal elements are not contained, the salt mist resistance, the damp-heat resistanceand the water replacement performance of the ductile iron casting all reach the rust prevention effect of barium-containing rust prevention oil, the long-term marine transportation rust prevention requirement can be met, and marine transportation is facilitated; and because of not containing barium and other heavy metal elements, the application range is wider, and export is facilitated.

The invention relates to a PE composite modified asphalt waterproof coil material and a preparation method thereof. The material sequentially comprises an upper surface isolation layer, an upper polymer modified asphalt layer, a base layer, a lower polymer modified asphalt layer and a lower surface isolation layer from top to bottom, wherein the upper polymer modified asphalt layer and the lower polymer modified asphalt layer are prepared from PE composite modified asphalt; the PE composite modified asphalt comprises, by weight, 70-80 parts of petroleum asphalt, 20-30 parts of polyethylene, 10-15 parts of SBS rubber, 10-15 parts of furan resin, 3-5 parts of pentaerythritol stearate, 0.1-0.3 part of graphene, 1-3 parts of sodium dodecyl benzene sulfonate, 1-3 parts of sodium oleate, 5-8 parts of paraffin, 1 part of zinc ethylphenyl dithiocarbamate, 0.5 part of phthalic anhydride, 1 part of sulfur, 0.6 part of petroleum sulfonate, 1-3 parts of butanedioic anhydride, 3-5 parts of methyl cellulose and 1-3 parts of pyroligneous liquor. The prepared waterproof coil material has good high- and low-temperature performance and storage stability, effectively improved waterproofness, effectively improved ageing resistance, and prolonged service lifetime.

The present invention relates to a liquid phase additive comprising an alkyl nitrate; a petroleum sulphonates; an aliphatic, aromatic, cyclohexylamines or hetroalkylated lower amines; a hindered phenol based compounds; a phosphate esters and an aliphatic alcohols for use in delayed coking process with decreased coke yield and increased yield of liquid and/or gaseous product and a process for preparing the liquid phase additive. The present invention also relates to a process for thermal cracking of petroleum residue producing petroleum coke and lighter hydrocarbon products by using liquid phase additive.

The invention discloses an antirust paint used for electrical equipment. The antirust paint used for electrical equipment is prepared from, by weight, 20 to 30 parts of modified alkyd resin, 8 to 15 parts of polyurethane modified acrylic emulsion, 10 to 15 parts of polyether modified siloxane, 5 to 10 parts of a petroleum sulfonate, 4 to 8 parts of xylene, 7 to 15 parts of an oily wax, 8 to 12 parts of a polyphosphate, 2 to 4 parts of chlorinated polyvinyl chloride, 5 to 10 parts of C5 hydrogenated petroleum resin, 1 to 3 parts of silicon dioxide, and 4 to 6 parts of an antirust agent. The beneficial effects are that: modified alkyd resin, polyurethane modified acrylic emulsion, and polyether modified siloxane are taken as main raw materials, xylene, the oily wax, the polyphosphate, C5 hydrogenated petroleum resin, silicon dioxide, and the antirust agent are added as modifying agents, so that oxidation resistance, stability, and antirust properties are improved.

The invention relates to the technical field of oil and gas exploitation, in particular to a naphthenic petroleum sulfonate compound oil-displacing agent for a fracturing fluid and a preparation method thereof. The naphthenic petroleum sulfonate compound oil-displacing agent for the fracturing fluid is prepared from the following raw materials of: naphthenic petroleum sulfonate, ethylenediamine tetraacetic acid disodium salt and the balance of the fracturing fluid. The preparation method comprises the following steps of: mixing naphthenic petroleum sulfonate with water, adding a naphthenic petroleum sulfonate solution and ethylenediamine tetraacetic acid disodium salt into the fracturing fluid, and uniformly mixing to obtain the naphthenic petroleum sulfonate compound oil-displacing agentfor the fracturing fluid. The naphthenic petroleum sulfonate is used as a surfactant to be compounded with the fracturing fluid; the obtained naphthenic petroleum sulfonate compound oil-displacing agent for the fracturing fluid can have ultralow interfacial tension in a relatively wide calcium ion mass concentration range; the problem of low crude oil recovery ratio caused by single exploitation mode in the prior art is solved; the crude oil recovery ratio can be increased to the maximum; raw materials are low-cost and easily available; and safety and high efficiency are achieved.

The present invention provides a process for the recovery of bastnaesite and other minerals containing rate earth oxide from complex, weathered ores containing barite, borite, fluorites and/or barite, fluorites, silicates and iron oxides, and comprises reverse barite flotation using a barite collector containing the following individual reagents:

The invention relates to an efficient maintenance oil-saving agent for a fuel engine as well as a preparation method and application of the efficient maintenance oil-saving agent. The efficient maintenance oil-saving agent contains the following raw materials in parts by weight: 15-20 parts of fuel, 3-8 parts of petroleum sulfonate, 1-3 parts of dimethlbenzene, 2-5 parts of an engine lubricant, 1-5 parts of titanium dioxide, 0.1-0.5 part of graphene, 1-2 parts of 4,6-tri-tert-butyl phenol and 1-2 parts of hydroxide. According to the efficient maintenance oil-saving agent provided by the invention, the combustion quality of fuel can be effectively guaranteed, the power performance of the energy is improved, the emission of pollutants is reduced, the utilization rate of the fuel is remarkably increased, and the service life of the fuel engine is remarkably prolonged; and besides, the oil-saving agent is simple in process formula, relatively low in production cost and strong in maneuverability, has good energy conservation and emission reduction effects and very good economic benefit and social benefit and is beneficial to subsequent large-scale application.

The invention discloses a preparation method of polyether polyol and an application thereof. In an inert atmosphere, a C4-C18 unitary fatty alcohol, an epoxy compound and a catalyst are added into a reactor together, and reacting is carried out for 2-3 hours at 70-180 DEG C under 0.3-0.6 MPa to obtain the polyether polyol, wherein the weight ratio of the C4-C18 unitary fatty alcohol to the epoxy compound is (1-5):(10-22), and the catalyst is one or more selected from potassium methoxide, sodium methoxide, potassium hydroxide and sodium hydroxide. The polyether polyol can be mixed with polyisobutylene amine, an auxiliary agent, a dispersant, an antioxidation agent, glycerin and petroleum sulfonate to prepare a fuel additive. The preparation method provided by the invention improves purity of polyether polyol, reduces emission of waste gas, avoids air pollution, improves a catalyst, and strengthens operation safety of personnel.

The invention relates to a method and a device for precipitating salt from salt-containing waste water in sulfonate production, and provides a desalination method and a device with low energy consumption and simple process. Ammonia is dissolved in cooled salt-containing waste water for salt crystallization and precipitation; the salt-containing waste water after salt separation is recycled for cooling and ammonia dissolution; and thus salts are precipitated and separated continuously which allows the waste water to reach the desalination requirements. The device comprises a cooler, a crystallizer, a cyclone separator, and buffer tank; the cooler is provided with a refrigerant fluid outlet, a refrigerant fluid inlet, and an exhaust port at the top; the cooler is connected with the crystallizer through a communicating vessel; a transfer pump and a flash evaporation tank are disposed between the crystallizer and the cyclone separator; the cyclone separator is connected with the buffer tank; the cyclone separator is provided with a solid material outlet. With the above technical scheme, the desalination speed is high, and the efficiency is high. The operation is simple; the automation degree is high; the device maintenance is convenient; and the labor intensity is low. Ammonia in waste water after production can be recovered and recycled, which saves production cost.

The invention relates to a method for quantitatively detecting naphthenic sulfonate components and residual oil sulfonate components in petroleum production liquid. The method comprises the following steps: establishing a first standard curve of naphthenic sulfonate content and a second standard curve of residual oil sulfonate content by adopting a liquid chromatography-mass spectrometry method; by adopting the liquid chromatography-mass spectrometry method, obtaining a spectrogram of a naphthenic sulfonate component and a residual oil sulfonate component in the petroleum production liquid; and according to the first standard curve and the spectrogram, obtaining the content of the naphthenic sulfonate component in the petroleum production liquid, and according to the second standard curve and the spectrogram, obtaining the content of the residual oil sulfonate component in the petroleum production liquid. The method provided by the invention can be used for accurately and quantitatively detecting the contents of the two petroleum sulfonate surfactants in the petroleum production liquid.

The invention relates to a method for storing crude oil by using a low-permeability ultra-low-permeability stratum. The method comprises the steps that the crude oil or a crude oil-based system is injected into the low-permeability ultra-low-permeability stratum through reservoir fracturing, flowback is avoided after fracturing is completed, and crude oil storage or integration of reservoir fracturing and crude oil storage is achieved; the crude oil-based system consists of petroleum sulfonate, a thickening agent and a solvent; and the solvent is the crude oil or a mixture of the crude oil andgasoline, diesel oil, kerosene or condensate oil. According to the method, on the basis of low oil price and low-permeability ultra-low permeability stratum characteristics, the pollution of a systemto a reservoir can be reduced or even eliminated, and the single-well production capacity is improved; after fracturing construction, a well can be duly opened for production according to crude oil consumption requirements, and the function of an underground oil storage depot is achieved.

The invention discloses a chemical augmented injection system for improving injectivity of an oil displacement polymer. The chemical augmented injection system consists of an organic silicon sacrificial agent and an auxiliary agent, wherein the molecular formula of the organic silicon sacrificial agent is R1-Si(OR2)3, in the formula, R1 is substituted or unsubstituted C1-C15 alkyl or C2-C15 alkenyl, and R2 is C1-C15 alkyl; the auxiliary agent is a mixture of N-methyldiethanolamine and mahogany petroleum sulfonate or a mixture of N,N,N',N'-tetrakis(2-hydroxypropyl)ethylenediamine and mahogany petroleum sulfonate; the chemical augmented injection system comprises the following components in percentage by mass: 50-90% of an organic silicon sacrificial agent, and 10-50% of an assistant. The chemical augmented injection system provided by the invention is a composite system formed by the organic silicon sacrificial agent and the auxiliary agent thereof, the organic silicon sacrificial agentplays a role in changing reservoir wettability and reducing polymer adsorption, and the auxiliary agent of the sacrificial agent plays a role in cleaning residual crude oil near a wellbore, activating the surface of rock and promoting the reaction of organosilane and the surface of rock.

The invention discloses an enhanced multi-effect rust remover. The enhanced multi-effect rust remover comprises the following components in percentage by weight of 22% of petroleum sulfonate, 23% of oxalic acid, 12% of sodium carbonate, 25% of naphthenic acid, 25% of potassium tetraborate, 20% of calcium sulfate, 8% of emulsifier and 40% of purified water. The enhanced multi-effect rust remover has the advantages of good rust removal effect, low cost and very little corrosion to the machine itself.

The invention discloses modified mahogany petroleum sulfonate and a preparation method thereof, and mainly belongs to the field of surfactants. The preparation method comprises the following steps of: 1, by taking an organic matter containing double bonds as an alkylating agent and organic acid and hydrogen halide as catalysts, grafting the alkylating agent to raw oil through alkylation reaction to synthesize modified raw oil; 2, sulfonating the modified raw oil by using liquid sulfur trioxide which is dissolved and diluted by a solvent; 3, after completing sulfonation, using alkali liquor or ammonia water to perform neutralization; and 4, evaporating a neutralized solution to remove the solvent to obtain the modified mahogany petroleum sulfonate product. The modified mahogany petroleum sulfonateis a cheap and efficient chemical flooding agent suitable for high-salinity oil reservoirs or heavy oil and super heavy oil at present.

The invention discloses a mass transfer and heat transfer enhanced reactor suitable for petroleum sulfonate production, and belongs to the field of petroleum sulfonation reaction devices. The reactor comprises a tank body, an upper support ring and a lower support ring are fixedly mounted in the tank body, and a plurality of rotating rings are arranged in the upper support ring and the lower support ring respectively; the inner circumference of the upper supporting ring and the inner circumference of the lower supporting ring are rotationally connected with the outer circumference of the corresponding outermost rotating ring through sealing bearings, and the bottom side of the lower supporting ring is fixedly connected with the top side of a round box; the lower end of a connecting pipe is communicated with the interior of the round box, and a gas outlet hole, a waste gas hole, a discharging opening and a slag discharging hole are sequentially formed in the tank body; and a driving device capable of driving the inner and outer adjacent rotating rings to rotate reversely is fixedly mounted on the tank body. Atomized raw oil and a sulfonating agent are fully stirred through staggered rotation of a connecting pipe, and the mixing effect of the raw oil and the sulfonating agent is improved; and meanwhile, the connecting pipe is cooled through cold air in the connecting pipe, and the reaction temperature of the raw oil and the sulfonating agent is kept to be proper.

The invention provides a mining method suitable for a low-permeability conglomerate oil reservoir. The mining method suitable for the low-permeability conglomerate oil reservoir comprises the steps that a polyacrylamide aqueous solution is prepared, and the molecular weight of polyacrylamide is 3-7 million; a surfactant aqueous solution is prepared, the surfactant aqueous solution comprises 1000-1800mg/L of petroleum sulfonate surfactants, and the molar mass of the petroleum sulfonate surfactants is 300-650g/mol; and the polyacrylamide aqueous solution and the surfactant aqueous solution are alternately injected into a target oil reservoir mining point. By adopting the mining method, the injection pressure and viscosity of an oil displacement system can be reduced, and the construction convenience and oil reservoir recovery efficiency of the oil displacement system are improved.

The invention discloses a method for improving the injectivity of an oil-displacing polymer. The method comprises the following steps: injecting a chemical augmented injection system into a near wellbore area as a front slug, then injecting the oil-displacing polymer for polymer flooding, and finally performing water flooding, so that the adsorption amount of the oil-displacing polymer in the nearwellbore area is reduced, and the injectivity of the oil-displacing polymer is improved; and the chemical augmented injection system is composed of an organosilicon sacrificial agent and an auxiliaryagent; the molecular formula of the organosilicon sacrificial agent is R1-Si (OR2)3, and the auxiliary agent is a mixture of N-methyldiethanolamine and petroleum sulfonate OR a mixture of ethylenediamine-N, N, N', N'-tetra-2-ol and petroleum sulfonate. The chemical augmented injection system adopted by the method is a composite system formed by the organosilicon sacrificial agent and the auxiliary agent thereof, wherein the organosilicon sacrificial agent plays a role in changing the reservoir wettability and reducing the polymer adsorption, and the sacrificial agent auxiliary agent plays a role in cleaning residual crude oil in the near wellbore area, activating the rock surface and promoting the reaction between the organosilicon and the rock surface.

The invention relates to an environmental protection enhancer for vehicles. The environmental protection enhancer is made of the following raw materials in percent by weight: 20%-25% of PEA (230/400),10%-12.5% of liquid paraffin, 20% of butanol, 30% of xylene, 10%-12.5% of triethanolamine, and 5% of a petroleum sulfonate. The liquid paraffin and the petroleum sulfonate are heated and stirred in water bath heating (with stirring) equipment to obtain a mixed solution a, PEA (230/400), butanol and triethanolamine are added to a storage tank through a pre-mixer, a mixed solution b is obtained after circulation is completed, the mixed solution a, the mixed solution b and xylene are pumped into a storage tank through a pre-mixer by using a metering pump, and standing is carried out for 3 h after circulation is completed to obtain the environmental protection enhancer for vehicles. The required raw materials are abundant and readily available, the mixing and blending are all carried out under normal pressure, and the obtained finished product can effectively solve related technical problems such as vehicle exhaust emission.