Hydraulic-driven mixer for injection

The present invention relates to a hydraulic-driven mixer for injection. The invention is characterized in that the mixer comprises an outer cylinder, at least one stage of inner rotor and a plurality of fixers. The outer cylinder is a flow channel which is closely engaged with two joints of injection pipe. The inner rotor comprises a middle cylinder which is sequentially installed with a rotating impeller and at least one mixing impeller from top to bottom. Each fixer comprises a fixed ring and at least three fixed supporting rods, wherein the inner ring of fixed ring is smooth. The bottoms of fixed supporting rods are welded with the inner wall of outer cylinder. The front end of each fixed supporting rod is provided with a concave gap. The fixed supporting rods are spaced for a same angle from one another. The fixed ring is embedded in the concave gap at the front end of fixed supporting rod. The inner rotor is axially fixed in the outer cylinder through the fixed ring which is sleeved ...

Electrolyzed water injection type aircraft

The invention provides an electrolyzed water injection type aircraft which comprises an aircraft body and a lift power system, the lift power system comprises an electrolyzed water device and a gas injection device, the gas injection device comprises a combustion chamber, a spark plug and a spray pipe, the electrolyzed water device and the combustion chamber are both arranged in the aircraft body, and the electrolyzed water device is connected with the combustion chamber. Mixed gas generated by the water electrolysis device can be conveyed into the combustion chamber, the spark plug is arranged in the combustion chamber and can ignite the mixed gas, one end of the spray pipe is connected with the combustion chamber, the other end of the spray pipe extends out of the aircraft body, and high-pressure gas generated after combustion in the combustion chamber is sprayed out through the spray pipe. According to the electrolyzed water injection type aircraft, hydrogen and oxygen are controllably ...

Demulsifier of thickened oil

The invention provides a demulsifier of thickened oil, which is a composite product of amido non-ionic Gemini polyether and Gemini salfacid which takes benzene ring as bridging in solvent, wherein the amido non-ionic Gemini polyether is compound expressed by formula I general structure, the Gemini salfacid is compound expressed by formula II general structure; in the formula I, R1 is alkyl with main chain carbon atomic number being 8-24, R2 is alkyl chain or benzene ring with main chain carbon atomic number being 2-6, PO is methyl yloxyethyl unit formed by opening ring of propylene epoxide, m is an integer from 20-80, EO is yloxyethyl unit formed by opening ring of the propylene epoxide, n is an integer from 10-40; and in formula II, R3 is alkyl with main chain carbon atomic number being 8-16, and R4 is alkyl with main chain carbon atomic number being 0-4. The demulsifier of the thickened oil has good demulsifying capability to a thickened oil liquid and can be applicable for the dehydration ...

Thickened oil sewage demulsifier

The invention discloses a thickened oil sewage demulsifier, which comprises a compound shown in a general formula I and a compound and a solvent shown in a general formula II. In the formula I R1 is alkyl group with 6-24 backbone carbon atoms in the main chain; and R2 is alkyl group with 8-22 backbone carbons, and Ar is aryl group. The thickened oil sewage demulsifier has stronger surface activity, better hydrophile and oleophylic performance and stronger segmer agglutinating capability, and can spread fast towards the oil-water interface in the thickened sewage oil emulsion fluid, displace or partially displace an emulsifier adsorbed on the oil-water interface and damage the interface liquid film, has good demulsification performance to the oil emulsion fluid and is applied in the field of thickened oil sewage processing.

Composite type crude oil demulsifier and preparation method thereof

The invention discloses a composite type crude oil demulsifier and a preparation method thereof. The composite type crude oil demulsifier comprises active ingredients of compounds in a formula I and a formula II, wherein R1 is alkyl having 10 to 24 carbon atoms; PO is -(CH2-O-CH2CH2)-; EO is -(O-CH2CH2)-; R2 is alkyl with the number of the carbon atoms more than 9; Ar is aryl; m is between 10 and 500; and n is between 10 and 500. The invention also discloses the method for preparing the composite type crude oil demulsifier. The composite type crude oil demulsifier has excellent surface property and infiltrability, can reach an oil-water interface quickly and replace natural interface active substances to form a novel unstable oil-water interface film, has excellent demulsification performance on crude oil emulsion, and can be applied in the fields of crude oil extraction, petroleum refining and the like.

Crude de-emulsifier and its preparing process

The invention discloses a de-emulsifying agent and a method for preparing the same. The de-emulsifying agent is a polyether compound prepared by alkoxylation reaction of poly (amidoamine) (PAMAM) and epoxy compounds. The invention adopts the PAMAM with a dendritic multi-branch structure as an initiator for synthesis the de-emulsifying agent. The obtained de-emulsifying agent has the characteristics of a plurality of branched and large molecular weight. The de-emulsifying agent has good interfacial activity, infiltrability, good crude oil emulsion de-emulsifying performance, and wide applications in crude oil exploration, oil refining and other fields.

Reversed phase emulsion splitter and preparation method thereof

The invention provides a reversed phase emulsion splitter, which is a product of the combination of long-chain alkyl 1.0G polyamide-imide and long-chain alkyl benzenesulfonic acid in a solvent, wherein the long-chain alkyl 1.0G polyamide-imide is a compound of a general structural formula I and the long-chain alkyl benzenesulfonic acid is a compound of a general structural formula II; in the formula I, R1 is an alkyl of which the main chain has 6 to 28 carbon atoms; and in the formula II, R2 is an alkyl of which the main chain has 6 to 24 carbon atoms. The reversed phase emulsion splitter has high emulsion splitting performance for O/W type emulsions and can be used in the field of the low-temperature dehydration of reversed phase emulsions and the treatment of oil-containing waste water.

Clay stabilizer, preparing method and application thereof

The present invention discloses a clay stabilizer and a preparing method thereof. The compounds prepared by the invention are respectively represented by a formula I and a formula II. According to themethod provided by the invention for preparing the compound of the structural formula I, the tribromo-butene and the dimethyl-18-tertiary react in the solvent for obtaining the compound of the struct ural formula I. According to the method provided by the invention for preparing the compound of the structural formula II, the compound of the structural formula I generates polymerization reaction inthe presence of catalyst and polymerization inhibitor for obtaining the compound of the structural formula II. The polymer monomer of the compound of the structural formula I provided by the inventio n can execute molecular weight regulation of the compound of the structural formula II through controlling the reaction condition thereby obtaining the clay stabilizers with different molecular weights ...

Crude oil emulsion splitter

The invention discloses a crude oil emulsion splitter. The crude oil emulsion splitter comprises compound shown in structure general formula I, compound and solvent shown in structure general formula II; in the structure general formula I, R1 is alkyl with 8-24 carbon atoms in main chain, R2 is alkyl with 2-6 carbon atoms in the main chain or phenyl; PO is methylethoxy group unit producted by ring opening of propylene oxide, EO is oxyethyl group unit produced by ring opening of epoxy ethane, m is equal to 20-80, n is equal to 10-40; and in structure general formula II, R3 is alkyl with 9-22 carbon atoms in the main chain, and Ar is aryl. The crude oil emulsion splitter provided by the invention has good interfacial activity and penetrability, can quickly reach oil-water boundary, can substitute natural interface active material and form unsteady oil-water interfacial film, has good emulsion splitting performance on the crude oil emulsion, and can be applied to the conventional crude oil ...

Method for preparing amphiphilic macromolecule oil-displacing agent

The invention relates to a method for preparing amphiphilic macromolecule oil-displacing agent, comprising the following steps: (1) uniformly mixing acrylamide, a monomer with high steric hindrance, an amphiphilic monomer with high surface activity, and surface active agents with water, wherein the molar ratio of the acrylamide, the monomer with high steric hindrance and the amphiphilic monomer with high surface activity is 100:(0.01-10):(0.02-5); (2) adjusting the pH of the mixture obtained from the step (1) to 6.5-8.0; (3) adding initiators into mixture in the step (2) to initiate a polymerization reaction; and (4) hydrolyzing a gel obtained from the polymerization reaction of the step (3) under alkaline conditions and then drying the hydrolysis product to obtain the amphiphilic macromolecule oil-displacing agent. The monomer with high steric hindrance and the amphiphilic monomer with high surface activity effectively improve the hydrophobic effect of macromolecules and increase theoil-water ...

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

Dissolving method of hydrophobically associating polymer and special stretching device thereof

The invention discloses a quick dissolving method of a hydrophobically associating polymer and a special stretching device thereof. The stretching device comprises a fixed grinding wheel fixed on a base and a moving grinding wheel arranged in the fixed grinding wheel, wherein a space is preserved between the moving grinding wheel and the fixed grinding wheel; the top of the moving grinding wheel is provided with a regulating ring; the moving grinding wheel is provided with grinding teeth; the bottom of the moving grinding wheel is provided with an impeller, and the impeller is arranged in theinner cavity of the base; the fixed grinding wheel is provided with an entrance corresponding to the moving grinding wheel; and the base is provided with an exit corresponding to the impeller. The invention also provides a method for applying the stretching device to dissolve the hydrophobically associating polymer. The hydrophobically associating polymer obtained by using the method can be used for ...

Thickened oil sewage demulsifier

The invention discloses a thickened oil sewage demulsifier, which comprises a compound shown in a general formula I and a compound and a solvent shown in a general formula II, wherein R1 is alkyl group with 6-24 backbone carbon atoms in the general formula I; and R2 is alkyl group with 8-22 backbone carbons, and Ar is aryl group. The thickened oil sewage demulsifier has stronger surface activity, better hydrophile and oleophylic performance and stronger segmer agglutinating capability, and can spread fast towards the oil-water interface in the thickened sewage oil emulsion fluid, displace or partially displace an emulsifier adsorbed on the oil-water interface and damage the interface liquid film, has good demulsification performance to the oil emulsion fluid and is applied in the field of thickened oil sewage processing.

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

Crude oil emulsion splitter

Method for preparing amphiphilic macromolecule oil-displacing agent

The invention relates to a method for preparing amphiphilic macromolecule oil-displacing agent, comprising the following steps: (1) uniformly mixing acrylamide, a monomer with high steric hindrance, an amphiphilic monomer with high surface activity, and surface active agents with water, wherein the molar ratio of the acrylamide, the monomer with high steric hindrance and the amphiphilic monomer with high surface activity is 100:(0.01-10):(0.02-5); (2) adjusting the pH of the mixture obtained from the step (1) to 6.5-8.0; (3) adding initiators into mixture in the step (2) to initiate a polymerization reaction; and (4) hydrolyzing a gel obtained from the polymerization reaction of the step (3) under alkaline conditions and then drying the hydrolysis product to obtain the amphiphilic macromolecule oil-displacing agent. The monomer with high steric hindrance and the amphiphilic monomer with high surface activity effectively improve the hydrophobic effect of macromolecules and increase the oil-water ...

Composite crude oil emulsion breaker

The invention discloses a novel composite crude oil emulsion breaker. The composite crude oil emulsion breaker consists of a compound of a formula (1), a compound of a formula (II) and a solvent, wherein the part ratio of the total mass of the compound of the formula (I) and the compound of the formula (II) to the mass of the solvent is (2-7): (3-8); the mass part ratio of the compound of the formula (I) to the compound of the formula (II) is (6-9): (1-4); in the formula (I), R1 is an alkyl group of which the main chain has 8 to 24 carbon atoms; and in the formula (II), R2 is an alkyl group of which the main chain has 4 to 10 carbon atoms. The crude oil emulsion breaker of the invention has high crude oil emulsion breaking performance and can be applied in the field of crude oil emulsion breaking and dewatering.

On-line depth profile control method for improving oil displacement effect of polymer of offshore production well

The invention provides an on-line depth profile control method for improving the oil displacement effect of polymer of an offshore production well. Phenolic resin crosslinker is added to form a depth profile control system in the process of polymer flooding of the offshore production well, and by adjusting the mass concentration of the phenolic resin crosslinker, time of jelly glue formation of the depth profile control system and the different depth profile control system retaining positions in an oil deposit are changed so as to block high permeability zones or large pore paths in the polymer flooding oil deposit, thereby expanding the waves and the volume of subsequently injected polymer, increasing the utility ratio of the polymer, improving the effect of development of the polymer flooding and increasing the recovery ratio of crude oil. The depth profile control system has low viscosity and favorable fluidity, can be injected into the deep part of the oil deposit; and after being frozen ...

Bird-feather-imitating one-way valve wing structure and aircraft

The invention provides a bird-feather-imitating one-way valve wing structure which comprises a feather shaft, a plurality of feather branches, a branch assembly and a swing assembly, the feather branches are symmetrically arranged on the two sides of the feather shaft, and a plurality of barb feather small branches and a plurality of groove feather small branches between every two adjacent feather branches are connected in a one-to-one correspondence mode. The swing assembly comprises a plurality of barb feather branchlet valves and a plurality of groove feather branchlet valves, under the condition that the bird feather imitating one-way valve wing structure is in a first state, every two adjacent barb feather branchlet valves are arranged in an overlapped mode, every two adjacent groove feather branchlet valves are arranged in an overlapped mode, and under the condition that the bird feather imitating one-way valve wing structure is in a second state, every two adjacent groove feather ...

Novel polymeric oil-displacing agent for improving recovery ratio and application thereof

The invention relates to a novel polymeric oil-displacing agent for improving recovery ratio and application thereof. The polymeric oil-displacing agent is a novel association polymer which has different hydrophobic monomers in different contents and is synthesized through free radical polymerization method by taking acrylic amide (AM)-acrylic acid (AA)-hydrophobic monomers as the reactant monomers, wherein the hydrophobic monomers include dimethyl-allyl-p-alkyl-benzyl ammonium chloride. The polymeric oil-displacing agent presents high viscidity under high temperature and high hypersalinity, so the polymeric oil-displacing agent is suitable for high-temperature and high-hypersalinity oil deposits. The polymeric oil-displacing agent has good temperature tolerance, salt tolerance and resistance to shear, and good injectivity and transmissibility as well as the abilities to build up good resistance coefficient and residual resistance coefficient, and can effectively improve the recovery ratio ...

Novel polymeric oil-displacing agent for improving recovery ratio and application thereof

The invention relates to a novel polymeric oil-displacing agent for improving recovery ratio and application thereof. The polymeric oil-displacing agent is a novel association polymer which has different hydrophobic monomers in different contents and is synthesized through free radical polymerization method by taking acrylic amide (AM)-acrylic acid (AA)-hydrophobic monomers as the reactant monomers, wherein the hydrophobic monomers include dimethyl-allyl-p-alkyl-benzyl ammonium chloride. The polymeric oil-displacing agent presents high viscidity under high temperature and high hypersalinity, so the polymeric oil-displacing agent is suitable for high-temperature and high-hypersalinity oil deposits. The polymeric oil-displacing agent has good temperature tolerance, salt tolerance and resistance to shear, and good injectivity and transmissibility as well as the abilities to build up good resistance coefficient and residual resistance coefficient, and can effectively improve the recovery ratio ...

Method for simulating shearing of polymer solution under oil reservoir condition and special equipment of method

The invention discloses a method for simulating shearing of polymer solution under an oil reservoir condition and a special equipment of the method. The equipment comprises a core holder and a shell with an upper cover; the bottom of the shell is communicated with the top of the core holder through a pipeline; a gas interface is formed on the upper cover; and a filtrate outlet is formed at the bottom of the core holder. By using the equipment, the polymer solution can be sheared at a well immediate vicinity place, a position away from an injection well at a distance of 30 to 50 meters and a position away from the injection well at a distance of 50 to 80 meters. By the method, the similarity of a core-shearing method is realized and the characteristic of quick shearing of a WARING agitator can be considered; therefore, the method is applicable to indoor simulation of the shearing of the polymer solution.

Method for enhancing offshore oilfield recovery

The invention discloses a method for improving petroleum mining rate in offshore petroleum well. The method of the invention injects polymer oil-displacing agent to the petroleum well when mining. With a consideration of the characteristics of offshore petroleum well mining such as short service life of the mining platform, low mining rate, etc., the invention creatively adds polymer oil-displacing agent to the well in the early stage of the oil field exploitation, which dramatically improves mining rate, keeps continuous and rapid exploitation and reduces water content of raw petroleum and has great economic, technologic and social benefits.

Alkyl multicondensed ethylene glycol derivative, its preparation method and application

Reversed phase emulsion splitter and preparation method thereof

The invention provides a reversed phase emulsion splitter, which is a product of the combination of long-chain alkyl 1.0G polyamide-imide and long-chain alkyl benzenesulfonic acid in a solvent, wherein the long-chain alkyl 1.0G polyamide-imide is a compound of a general structural formula I and the long-chain alkyl benzenesulfonic acid is a compound of a general structural formula II; in the formula I, R1 is an alkyl of which the main chain has 6 to 28 carbon atoms; and in the formula II, R2 is an alkyl of which the main chain has 6 to 24 carbon atoms. The reversed phase emulsion splitter has high emulsion splitting performance for O/W type emulsions and can be used in the field of the low-temperature dehydration of reversed phase emulsions and the treatment of oil-containing waste water.

Composite type crude oil demulsifier and preparation method thereof

The invention discloses a composite type crude oil demulsifier and a preparation method thereof. The composite type crude oil demulsifier comprises active ingredients of compounds in a formula I and aformula II, wherein R1 is alkyl having 10 to 24 carbon atoms; PO is -(CH2-O-CH2CH2)-; EO is -(O-CH2CH2)-; R2 is alkyl with the number of the carbon atoms more than 9; Ar is aryl; m is between 10 and500; and n is between 10 and 500. The invention also discloses the method for preparing the composite type crude oil demulsifier. The composite type crude oil demulsifier has excellent surface property and infiltrability, can reach an oil-water interface quickly and replace natural interface active substances to form a novel unstable oil-water interface film, has excellent demulsification performance on crude oil emulsion, and can be applied in the fields of crude oil extraction, petroleum refining and the like.