CN110003877A - A kind of anti-high salinity cleaning become sticky slippery water, crosslinking agent, become sticky friction reducer and preparation method - Google Patents
A kind of anti-high salinity cleaning become sticky slippery water, crosslinking agent, become sticky friction reducer and preparation method Download PDFInfo
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- CN110003877A CN110003877A CN201910293423.XA CN201910293423A CN110003877A CN 110003877 A CN110003877 A CN 110003877A CN 201910293423 A CN201910293423 A CN 201910293423A CN 110003877 A CN110003877 A CN 110003877A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
Abstract
The invention belongs to oil/gas well reservoir fracturing improvement technical fields, the invention discloses a kind of anti-high salinity cleaning become sticky slippery water, crosslinking agent, become sticky friction reducer and preparation method, the crosslinking agent by forming following weight percentage components: ten water Boratexes, sodium citrate, zirconium oxychloride, ethylene glycol, glycerine, sodium chloride and surplus are water;The slippery water that becomes sticky is formed by becoming sticky friction reducer with water;The slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;The base fluid is formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.1-1:999-999.9;The volume weight ratio of become sticky crosslinking agent and the base fluid is 0.1-0.3mL:499.7-499.9g;The preparation method of crosslinking agent is comprising steps of A, prepare alcohol-based solution;B, alcohol radical mixed liquor is prepared;C, it in confined conditions by alcohol radical mixed liquor, is stirred to react, cooling obtains the crosslinking agent.Viscosity increases and does not influence the resistance reducing effect of liquid after base fluid crosslinking of the invention, is well positioned to meet pressing crack construction.
Description
Technical field
The invention belongs to oil/gas well reservoir fracturing improvement technical fields, and in particular to a kind of anti-high salinity cleaning slimes
Slip water, crosslinking agent, become sticky friction reducer and preparation method.
Background technique
Slippery water is a kind of fracturing fluid system that hydraulic fracturing is carried out to shale oil and gas reservoir, is the pass of shale gas exploitation
One of key liquid.Relative to traditional gel fracture liquid system, feature of the slippery water fracturing fluid system with it efficiently, inexpensive exists
It is widely applied in shale gas exploitation.
Relative to traditional gel fracture liquid system, feature of the slippery water fracturing fluid system with it efficiently, inexpensive is in page
It is widely applied in the exploitation of rock gas.Core auxiliary agent of the friction reducer as slippery water fracturing fluid system, directly determines slippery water pressure break
The performance and application of liquid system.
To 2014, slippery water hydraulic fracturing technology and horizontal well technology were the cores that U.S.'s shale gas exploitation is mainly taken
Technology, wherein the key of slippery water hydraulic fracturing is the preparation of fracturing fluid, and shale gas-bearing formation permeability can be improved by pressure break, increase
The purpose for adding flow conductivity, optimizing working condition, reduce formation damage, meeting economic development.In recent years, slippery water pressure break develops
Quickly, up to 40 sections of the number of segment of multistage horizontal well fracturing, required slippery water fracturing fluid total amount is up to 14 ten thousand steres/well
It is secondary.98.0% -99.5% is mulling water in slippery water fracturing fluid, and additive typically constitutes from the 0.5%- of slippery water total volume
2.0%, including friction reducer, surfactant, antisludging agent, clay stabilizer and fungicide etc..Friction reducer is slippery water pressure break
The core additive of liquid;Acrylamide copolymer, polyethylene glycol oxide (PEO), guanidine glue and its derivative, cellulose derivative with
And Surfactant Used in Viscoelastic Fracturing Fluids etc. can be used as friction reducer use.
Currently, having the slippery water possessed in the market is common slippery water, do not have the effect that becomes sticky, once prepared cunning
Increase can not be changed by slipping water viscosity, in pressing crack construction, encountered different condition of construction and needed again with liquid, it is difficult when construction to increase
Degree.
Summary of the invention
In order to solve the above problems existing in the present technology, overcome existing conventional slippery water cannot be according to condition of construction at any time
The problem for adjusting viscosity, it is an object of that present invention to provide a kind of anti-high salinities to clean become sticky slippery water, crosslinking agent, the drop that becomes sticky resistance
Agent and preparation method, viscosity when changing slippery water construction with crosslinking agent by adding specific slippery water, to guarantee to press
Split construction.
The technical scheme adopted by the invention is as follows:
A kind of anti-high salinity cleaning becomes sticky slippery water crosslinking agent, and the crosslinking agent is by following weight percentage components
Composition: the ten water Boratexes of 7%-15%;The sodium citrate of 2%-4%;The zirconium oxychloride of 0.5%-1.5%;20%-28%'s
Ethylene glycol;The glycerine of 10%-15%;The sodium chloride of 2%-4%;Surplus is water.
Further, the slippery water that becomes sticky is formed by becoming sticky friction reducer with water;The friction reducer that becomes sticky is by following weight
The raw material of percentage is made: 2- acrylamide-2-methylpro panesulfonic acid, the 2.5-4.5% of the acrylamide of 12-17%, 3-7%
Dodecylallyldimethylammonium chloride, the 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium of 6-10%, 0.2-0.5%
Initiator, pH8.5-9.0 regulator, surplus are water.
Further, the initiator is potassium peroxydisulfate.
Further, the weight ratio of friction reducer and water of becoming sticky in the slippery water that becomes sticky is 0.1-1:999-999.9.
A kind of anti-high salinity cleans the preparation method for the slippery water crosslinking agent that becomes sticky, comprising steps of A, Jiang Shui, ethylene glycol
It is mixed with glycerine, obtains alcohol-based solvent;Ten water Boratexes are added into alcohol-based solution, obtain alcohol-based solution after mixing;
C, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;
C, in confined conditions by alcohol radical mixed liquor, in 45 DEG C -50 DEG C, it is stirred to react 2.5h-3.5h, cooling obtains described
Crosslinking agent.
A kind of anti-high salinity cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, and the friction reducer that becomes sticky is adopted
It prepares with the following method;
Comprising steps of
A, at 60 DEG C -70 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecane are sequentially added
Base dimethylallylammonium chloride and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;Use pH8.5-9.0
Regulator adjusts the pH value of mixing liquid between 8.5-9.0, obtains adjusting liquid;
B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;
C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
Further, the temperature of the step B reaction is 60 DEG C -70 DEG C;The time of reaction is 3.5-4.5h.
A kind of anti-high salinity cleaning becomes sticky slippery water, and the slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;Institute
Base fluid is stated to be formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.1-1:999-999.9;It is described to become sticky
The volume weight ratio of crosslinking agent and base fluid is 0.1-0.3mL:499.7-499.9g;
The crosslinking agent by forming following weight percentage components: the ten water Boratexes of 7%-15%;The lemon of 2%-4%
Lemon acid sodium;The zirconium oxychloride of 0.5%-1.5%;The ethylene glycol of 20%-28%;The glycerine of 10%-15%;The chlorine of 2%-4%
Change sodium;Surplus is water;
The friction reducer that becomes sticky is made of the raw material of following weight percent: acrylamide, the 3%-7% of 12%-17%
2- acrylamide-2-methylpro panesulfonic acid, 2.5%-4.5% dodecylallyldimethylammonium chloride, 6%-10%
3- allyl -2- hydroxyl -1- propane sulfonic acid sodium, the initiator of 0.2%-0.5%, pH8.5-9.0 regulator, surplus be water;
Water in the base fluid is 20,000 salinities water below.
Further, a kind of anti-high salinity cleans the preparation method for the slippery water that becomes sticky, comprising steps of
A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;
B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
Further, the specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and in 25
2h is placed in DEG C water-bath, obtains base fluid;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, stirring
After 2min, obtain cleaning the slippery water that becomes sticky;
The water is 20,000 salinities water below.
The invention has the benefit that a kind of anti-high salinity of the invention cleans, become sticky slippery water, crosslinking agent, become sticky drop
Resist and preparation method, the technical problem of viscosity cannot be adjusted at any time according to condition of construction by overcoming existing conventional slippery water;This
Invention passes through the friction reducer and using slippery water and the crosslinking agent of becoming sticky made of friction reducer that become sticky of becoming sticky;During on-site construction
Change and match liquid mode, the liquid of different viscosities can be adjusted at any time according to condition of construction, do not need to replace different base fluids;Simultaneously
Although viscosity increases but have no effect on the resistance reducing effect of liquid after base fluid crosslinking of the invention, it is well positioned to meet pressing crack construction.
Preparation method synthesis technology of the invention is simple and environmentally-friendly, and the friction reducer dosage that becomes sticky is small, greatly reduces construction cost.
Detailed description of the invention
Fig. 1 be in tap water containing mass fraction be 0.1% become sticky slippery water when resistance-reducing yield experimental result picture.
Fig. 2 be in tap water containing mass fraction be 0.1% the smooth water crosslinking that becomes sticky after resistance-reducing yield experimental result picture.
Fig. 3 be in 20,000 salinity water containing mass fraction be 0.1% become sticky slippery water when resistance-reducing yield experimental result picture.
Fig. 4 be in 20,000 salinity water containing mass fraction be 0.1% the smooth water crosslinking that becomes sticky after resistance-reducing yield experimental result
Figure.
Fig. 5 be in tap water containing mass fraction be 0.07% the smooth water crosslinking that becomes sticky before resistance-reducing yield experimental result picture.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the present invention.
A kind of anti-high salinity cleaning becomes sticky slippery water crosslinking agent, and the crosslinking agent is by following weight percentage components
Composition: the ten water Boratexes of 7%-15%;The sodium citrate of 2%-4%;The zirconium oxychloride of 0.5%-1.5%;20%-28%'s
Ethylene glycol;The glycerine of 10%-15%;The sodium chloride of 2%-4%;Surplus is water.
Further, the slippery water that becomes sticky is formed by becoming sticky friction reducer with water;The friction reducer that becomes sticky is by following weight
The raw material of percentage is made: 2- acrylamide-2-methylpro panesulfonic acid, the 2.5-4.5% of the acrylamide of 12-17%, 3-7%
Dodecylallyldimethylammonium chloride, the 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium of 6-10%, 0.2-0.5%
Initiator, pH8.5-9.0 regulator, surplus are water.
Further, the initiator is potassium peroxydisulfate.
Further, the weight ratio of friction reducer and water of becoming sticky in the slippery water that becomes sticky is 0.1-1:999-999.9.
A kind of anti-high salinity cleans the preparation method for the slippery water crosslinking agent that becomes sticky, comprising steps of A, Jiang Shui, ethylene glycol
It is mixed with glycerine, obtains alcohol-based solvent;Ten water Boratexes are added into alcohol-based solution, obtain alcohol-based solution after mixing;
D, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;
C, in confined conditions by alcohol radical mixed liquor, in 45 DEG C -50 DEG C, it is stirred to react 2.5h-3.5h, cooling obtains described
Crosslinking agent.
A kind of anti-high salinity cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, and the friction reducer that becomes sticky is adopted
It prepares with the following method;
Comprising steps of
A, at 60 DEG C -70 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecane are sequentially added
Base dimethylallylammonium chloride and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;Use pH8.5-9.0
Regulator adjusts the pH value of mixing liquid between 8.5-9.0, obtains adjusting liquid;
B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;
C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
Further, the temperature of the step B reaction is 60 DEG C -70 DEG C;The time of reaction is 3.5-4.5h.
A kind of anti-high salinity cleaning becomes sticky slippery water, and the slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;Institute
Base fluid is stated to be formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.1-1:999-999.9;It is described to become sticky
The volume weight ratio of crosslinking agent and base fluid is 0.1-0.3mL:499.7-499.9g;
The crosslinking agent by forming following weight percentage components: the ten water Boratexes of 7%-15%;The lemon of 2%-4%
Lemon acid sodium;The zirconium oxychloride of 0.5%-1.5%;The ethylene glycol of 20%-28%;The glycerine of 10%-15%;The chlorine of 2%-4%
Change sodium;Surplus is water;
The friction reducer that becomes sticky is made of the raw material of following weight percent: acrylamide, the 3%-7% of 12%-17%
2- acrylamide-2-methylpro panesulfonic acid, 2.5%-4.5% dodecylallyldimethylammonium chloride, 6%-10%
3- allyl -2- hydroxyl -1- propane sulfonic acid sodium, the initiator of 0.2%-0.5%, pH8.5-9.0 regulator, surplus be water;
Water in the base fluid is 20,000 salinities water below.
Further, a kind of anti-high salinity cleans the preparation method for the slippery water that becomes sticky, comprising steps of
A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;
B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
Further, the specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and in 25
2h is placed in DEG C water-bath, obtains base fluid;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, stirring
After 2min, obtain cleaning the slippery water that becomes sticky;
The water is 20,000 salinities water below.
Embodiment 1
A kind of anti-high salinity cleaning becomes sticky slippery water crosslinking agent, and the crosslinking agent is by following weight percentage components
Composition: 7% ten water Boratexes;2% sodium citrate;0.5% zirconium oxychloride;20% ethylene glycol;10% glycerine;
2% sodium chloride;Surplus is water.
A kind of anti-high salinity cleans the preparation method for the slippery water crosslinking agent that becomes sticky, comprising steps of A, Jiang Shui, ethylene glycol
It is mixed with glycerine, obtains alcohol-based solvent;Ten water Boratexes are added into alcohol-based solution, obtain alcohol-based solution after mixing;
E, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;
C, in confined conditions by alcohol radical mixed liquor, in 45 DEG C, it is stirred to react 2.5h, cooling obtains the crosslinking agent.
Embodiment 2
A kind of anti-high salinity cleaning becomes sticky slippery water crosslinking agent, and the crosslinking agent is by following weight percentage components
Composition: 10% ten water Boratexes;3% sodium citrate;1.0% zirconium oxychloride;24% ethylene glycol;The third the three of 12%
Alcohol;3% sodium chloride;Surplus is water.
A kind of anti-high salinity cleans the preparation method for the slippery water crosslinking agent that becomes sticky, comprising steps of A, Jiang Shui, ethylene glycol
It is mixed with glycerine, obtains alcohol-based solvent;Ten water Boratexes are added into alcohol-based solution, obtain alcohol-based solution after mixing;
F, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;
C, in confined conditions by alcohol radical mixed liquor, in 48 DEG C, it is stirred to react 3h, cooling obtains the crosslinking agent.
Embodiment 3
A kind of anti-high salinity cleaning becomes sticky slippery water crosslinking agent, and the crosslinking agent is by following weight percentage components
Composition: 15% ten water Boratexes;4% sodium citrate;1.5% zirconium oxychloride;28% ethylene glycol;The third the three of 15%
Alcohol;4% sodium chloride;Surplus is water.
A kind of anti-high salinity cleans the preparation method for the slippery water crosslinking agent that becomes sticky, comprising steps of A, Jiang Shui, ethylene glycol
It is mixed with glycerine, obtains alcohol-based solvent;Ten water Boratexes are added into alcohol-based solution, obtain alcohol-based solution after mixing;
G, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;
C, in confined conditions by alcohol radical mixed liquor, in 50 DEG C, it is stirred to react 3.5h, cooling obtains the crosslinking agent.
Embodiment 4
The slippery water that becomes sticky is formed by becoming sticky friction reducer with water;It is described become sticky friction reducer by following weight percent original
Material is made: 17% acrylamide, 7% 2- acrylamide-2-methylpro panesulfonic acid, 4.5% dodecyl dimethyl alkene
Propyl ammonium chloride, 10% 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium, 0.5% initiator, pH8.5-9.0 regulator,
Surplus is water.
Further, the initiator is potassium peroxydisulfate.
Further, the weight ratio of friction reducer and water of becoming sticky in the slippery water that becomes sticky is 1:999.
A kind of anti-high salinity cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, and the friction reducer that becomes sticky is adopted
It prepares with the following method;
Comprising steps of
A, at 70 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecyl two are sequentially added
Methacrylic chlorination ammonium and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;It is adjusted with pH8.5-9.0
Agent adjusts the pH value of mixing liquid 9.0, obtains adjusting liquid;
B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;
C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
The temperature of the step B reaction is 70 DEG C;The time of reaction is 4.5h.PH8.5-9.0 regulator is sodium hydroxide
Solution.
Embodiment 5
The slippery water that becomes sticky is formed by becoming sticky friction reducer with water;It is described become sticky friction reducer by following weight percent raw material system
At: 12% acrylamide, 3% 2- acrylamide-2-methylpro panesulfonic acid, 2.5% dodecyl dimethyl allyl
Ammonium chloride, 6% 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium, 0.2% initiator, pH8.5-9.0 regulator, surplus are
Water.
Further, the initiator is potassium peroxydisulfate.
Further, the weight ratio of friction reducer and water of becoming sticky in the slippery water that becomes sticky is 0.1:999.9.
A kind of anti-high salinity cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, and the friction reducer that becomes sticky is adopted
It prepares with the following method;
Comprising steps of
A, at 60 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecyl two are sequentially added
Methacrylic chlorination ammonium and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;It is adjusted with pH8.5-9.0
Agent adjusts the pH value of mixing liquid 8.5, obtains adjusting liquid;
B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;
C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
Further, the temperature of the step B reaction is 60 DEG C;The time of reaction is 3.5h.
PH8.5-9.0 regulator is sodium hydroxide solution.
Embodiment 6
The slippery water that becomes sticky is formed by becoming sticky friction reducer with water;It is described become sticky friction reducer by following weight percent original
Material is made: 15% acrylamide, 5% 2- acrylamide-2-methylpro panesulfonic acid, 3% dodecyl dimethyl allyl
Ammonium chloride, 7% 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium, 0.3% initiator, pH8.5-9.0 regulator, surplus
For water.
The initiator is potassium peroxydisulfate.
The weight ratio of friction reducer and water of becoming sticky in the slippery water that becomes sticky is 0.5:999.5.
A kind of anti-high salinity cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, and the friction reducer that becomes sticky is adopted
It prepares with the following method;
Comprising steps of
A, at 65 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecyl two are sequentially added
Methacrylic chlorination ammonium and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;It is adjusted with pH8.5-9.0
Agent adjusts the pH value of mixing liquid 8.8, obtains adjusting liquid;
B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;
C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
Further, the temperature of the step B reaction is 65 DEG C;The time of reaction is 4h.
Embodiment 7
A kind of anti-high salinity cleaning becomes sticky slippery water, and the slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;Institute
Base fluid is stated to be formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.1:999.9;The crosslinking agent that becomes sticky
Volume weight ratio with base fluid is 0.1mL:499.9g;
The crosslinking agent by forming following weight percentage components: 7% ten water Boratexes;2% sodium citrate;
0.5% zirconium oxychloride;20% ethylene glycol;10% glycerine;2% sodium chloride;Surplus is water;
The friction reducer that becomes sticky is made of the raw material of following weight percent: 12% acrylamide, 3% 2- acryloyl
Amido -2- methyl propane sulfonic acid, 2.5% dodecylallyldimethylammonium chloride, 6% 3- allyl -2- hydroxyl -1- third
Alkyl sulfonic acid sodium, 0.2% initiator, pH8.5-9.0 regulator, surplus are water;
Water in the base fluid is 20,000 salinities water below.
A kind of anti-high salinity cleans the preparation method for the slippery water that becomes sticky, comprising steps of
A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;
B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
Further, the specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and in 25
2h is placed in DEG C water-bath, obtains base fluid;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, stirring
After 2min, obtain cleaning the slippery water that becomes sticky;
The water is 20,000 salinities water below.
Embodiment 8
A kind of anti-high salinity cleaning becomes sticky slippery water, and the slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;Institute
Base fluid is stated to be formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 1:999;Crosslinking agent and the base of becoming sticky
The volume weight ratio of liquid is 0.3mL:499.7g;
The crosslinking agent by forming following weight percentage components: 15% ten water Boratexes;4% sodium citrate;
1.5% zirconium oxychloride;28% ethylene glycol;15% glycerine;4% sodium chloride;Surplus is water;
The friction reducer that becomes sticky is made of the raw material of following weight percent: 17% acrylamide, 7% 2- acryloyl
Amido -2- methyl propane sulfonic acid, 4.5% dodecylallyldimethylammonium chloride, 10% 3- allyl -2- hydroxyl -1-
Propane sulfonic acid sodium, 0.5% initiator, pH8.5-9.0 regulator, surplus are water;
Water in the base fluid is 20,000 salinities water below.
Further, a kind of anti-high salinity cleans the preparation method for the slippery water that becomes sticky, comprising steps of
A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;
B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
Further, the specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and in 25
2h is placed in DEG C water-bath, obtains base fluid;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, stirring
After 2min, obtain cleaning the slippery water that becomes sticky;
The water is 20,000 salinities water below.
Embodiment 9
A kind of anti-high salinity cleaning becomes sticky slippery water, and the slippery water that becomes sticky is by becoming sticky crosslinking agent and base fluid is made;Institute
Base fluid is stated to be formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.4:999.6;The crosslinking agent that becomes sticky
Volume weight ratio with base fluid is 0.2mL:499.8g;
The crosslinking agent by forming following weight percentage components: 10% ten water Boratexes;3% sodium citrate;
1% zirconium oxychloride;25% ethylene glycol;12% glycerine;3% sodium chloride;Surplus is water;
The friction reducer that becomes sticky is made of the raw material of following weight percent: 14% acrylamide, 4% 2- acryloyl
Amido -2- methyl propane sulfonic acid, 4% dodecylallyldimethylammonium chloride, 8% 3- allyl -2- hydroxyl -1- propane
Sodium sulfonate, 0.4% initiator, pH8.5-9.0 regulator, surplus are water;
Water in the base fluid is 20,000 salinities water below.
A kind of anti-high salinity cleans the preparation method for the slippery water that becomes sticky, comprising steps of
A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;
B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
The specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and put in 25 DEG C of water-baths
2h is set, base fluid is obtained;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, after stirring 2min, is obtained
It becomes sticky slippery water to cleaning;
The water is 20,000 salinities water below.
Embodiment 10
1, become sticky the synthesis of friction reducer: 70kg water being warming up to 65-70 DEG C, then sequentially adds the propylene of 14kg in order
Amide, the 2- acrylamide-2-methylpro panesulfonic acid of 5kg, the dodecylallyldimethylammonium chloride of 3kg, 7.5kg 3-
Allyl -2- hydroxyl -1- propane sulfonic acid sodium, adds the above raw material while stirring, until completely dissolved, maintains the temperature at 65-
Between 70 DEG C, there is appropriate piece alkali to adjust liquid pH value and obtain liquid one between 8.5-9.0;
It is passed through nitrogen into liquid one as protective gas, is slowly added to the initiator potassium persulfate of 0.5kg, reaction temperature
65 DEG C or so are maintained at, it is cooling to obtain liquid two after stirring sufficiently reaction 3.5-4.5h.
Two drying and crushing of liquid is obtained to the friction reducer that becomes sticky.
2, the preparation of slippery water crosslinking agent
The glycerine of ethylene glycol, 12kg that 25kg is sequentially added into 46kg water obtains alcohol-based solvent, it is to be mixed uniformly after
The ten water Boratexes of 10kg are added into alcohol-based solvent, dissolves while stirring, obtains liquid one until completely dissolved;
The sodium citrate that the sodium chloride of 3kg, the zirconium oxychloride of 1kg and 3kg are sequentially added into liquid one obtains liquid two;
Liquid two is heated up between 45-50 DEG C in confined conditions, is stirred to react 2.5-3.5h, is cooled to room temperature to obtain the final product
To slippery water crosslinking agent.
3, become sticky the preparation of slippery water
999.0g tap water is taken, the above-mentioned gained of 1.000g is slowly added under agitation and becomes sticky slippery water drag reducer, stir
It mixes 5min to be sufficiently swollen, the 2h in 25 DEG C of water-baths measures base fluid viscosity with capillary and records;Base fluid 499.80g is taken, is being stirred
The above-mentioned gained slippery water crosslinking agent of 0.20ml is slowly added under the conditions of mixing, after being slowly stirred 2min, with six fast rotational viscometers
It measures viscosity after being crosslinked and records.
Composition such as the following table 1 of the adjustable slippery water that becomes sticky under different situations.
Table 1
Performance test
" with reference to NBT14003.2-2016 friction reducer performance indicator and test method " measures tap water, embodiment 10 respectively
The frictional resistance correlation data figure of slippery water obtained, as shown in Figs. 1-5.Resistance-reducing yield in Fig. 1 is 73.7%;Resistance-reducing yield in Fig. 2
It is 70.9%;Resistance-reducing yield in Fig. 3 is 72.3%;Resistance-reducing yield in Fig. 4 is 71.5%;Resistance-reducing yield in Fig. 5 is 75.9%.
As shown in Figure 5,0.07% become sticky the matched base fluid of slippery water friction reducer in interior diameter 8mm testing tube with 10m/s
Linear velocity to measure resistance-reducing yield be 75.9%, meet " with reference to NBT14003.2-2016 friction reducer performance indicator and test method "
In measurement standard results, show that the slippery water friction reducer that becomes sticky with good construction effect, can fully meet construction.
Picture 1-4 it is found that either in tap water still in 20,000 salinities after the smooth water crosslinking that becomes sticky of the present embodiment
Preferable resistance-reducing yield is maintained in water, so that the present invention can adjust the liquid of different viscosities at any time according to condition of construction, no
Need replacing different base fluids;Although viscosity increases but has no effect on the drop resistance effect of liquid after base fluid crosslinking of the invention simultaneously
Fruit is well positioned to meet pressing crack construction.Preparation method synthesis technology of the invention is simple and environmentally-friendly, and the friction reducer dosage that becomes sticky is small, pole
Big reduces construction cost.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
- The slippery water crosslinking agent 1. a kind of anti-high salinity cleaning becomes sticky, it is characterised in that: the crosslinking agent is by following weight hundred The group of ratio is divided to be grouped as: the ten water Boratexes of 7%-15%;The sodium citrate of 2%-4%;The zirconium oxychloride of 0.5%-1.5%; The ethylene glycol of 20%-28%;The glycerine of 10%-15%;The sodium chloride of 2%-4%;Surplus is water.
- The slippery water crosslinking agent 2. a kind of anti-high salinity cleaning according to claim 1 becomes sticky, it is characterised in that: described The slippery water that becomes sticky is formed by becoming sticky friction reducer with water;The friction reducer that becomes sticky is made of the raw material of following weight percent: 12- 17% acrylamide, the 2- acrylamide-2-methylpro panesulfonic acid of 3-7%, 2.5-4.5% dodecyl dimethyl allyl Ammonium chloride, the 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium of 6-10%, the initiator of 0.2-0.5%, pH8.5-9.0 are adjusted Agent, surplus are water.
- The slippery water crosslinking agent 3. a kind of anti-high salinity cleaning according to claim 2 becomes sticky, it is characterised in that: described Initiator is potassium peroxydisulfate.
- The slippery water crosslinking agent 4. a kind of anti-high salinity cleaning according to claim 3 becomes sticky, it is characterised in that: described Become sticky in the slippery water weight ratio of friction reducer and water of becoming sticky is 0.1-1:999-999.9.
- The preparation of slippery water crosslinking agent 5. a kind of anti-high salinity cleaning described in a kind of claim 1-4 any one becomes sticky Method, it is characterised in that:Comprising steps of A, Jiang Shui, ethylene glycol and glycerine mix, alcohol-based solvent is obtained;Ten water boric acid are added into alcohol-based solution Sodium obtains alcohol-based solution after mixing;B, after mixing alcohol-based solution, sodium chloride, sodium citrate, alcohol radical mixed liquor is obtained;C, in confined conditions by alcohol radical mixed liquor, in 45 DEG C -50 DEG C, it is stirred to react 2.5h-3.5h, cooling obtains the crosslinking Agent.
- 6. the preparation method that a kind of anti-high salinity cleans the friction reducer that becomes sticky in the slippery water that becomes sticky, it is characterised in that: right The friction reducer that becomes sticky described in 1-4 any one is asked to prepare with the following method;Comprising steps ofA, at 60 DEG C -70 DEG C of water temperature, acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, dodecyl two are sequentially added Methacrylic chlorination ammonium and 3- allyl -2- hydroxyl -1- propane sulfonic acid sodium mix, and obtain mixing liquid;It is adjusted with pH8.5-9.0 Agent adjusts the pH value of mixing liquid between 8.5-9.0, obtains adjusting liquid;B, liquid will be adjusted in nitrogen atmosphere, initiator is slowly added to, after being stirred to react, obtains the drag reduction liquid that becomes sticky;C, the drag reduction liquid that becomes sticky is obtained into the friction reducer that becomes sticky after dry, crushing.
- 7. a kind of anti-high salinity according to claim 6 cleans the preparation method for the friction reducer that becomes sticky in the slippery water that becomes sticky, It is characterized by: the temperature of the step B reaction is 60 DEG C -70 DEG C;The time of reaction is 3.5-4.5h.
- The slippery water 8. a kind of anti-high salinity cleaning becomes sticky, it is characterised in that: the slippery water that becomes sticky is by crosslinking agent and the base of becoming sticky Liquid is made;The base fluid is formed by becoming sticky friction reducer with water;The weight ratio of friction reducer and water of becoming sticky is 0.1-1:999- 999.9;The volume weight ratio of become sticky crosslinking agent and the base fluid is 0.1-0.3mL:499.7-499.9g;The crosslinking agent by forming following weight percentage components: the ten water Boratexes of 7%-15%;The citric acid of 2%-4% Sodium;The zirconium oxychloride of 0.5%-1.5%;The ethylene glycol of 20%-28%;The glycerine of 10%-15%;The sodium chloride of 2%-4%; Surplus is water;The friction reducer that becomes sticky is made of the raw material of following weight percent: the 2- of the acrylamide of 12%-17%, 3%-7% Acrylamide-2-methylpro panesulfonic acid, the dodecylallyldimethylammonium chloride of 2.5%-4.5%, 6%-10% 3- Allyl -2- hydroxyl -1- propane sulfonic acid sodium, the initiator of 0.2%-0.5%, pH8.5-9.0 regulator, surplus are water;Water in the base fluid is 20,000 salinities water below.
- A kind of preparation method of slippery water 9. a kind of anti-high salinity cleaning according to any one of claims 8 becomes sticky, which is characterized in that packet Include step:A, after mixing water and the friction reducer that becomes sticky, base fluid is obtained;B, after mixing the base fluid and the crosslinking agent that becomes sticky, the slippery water that becomes sticky is obtained.
- The preparation method of slippery water 10. a kind of anti-high salinity cleaning according to claim 9 becomes sticky, which is characterized in that The specific steps of the step A are as follows: after mixing water with the friction reducer that becomes sticky, stir 5min and place 2h in 25 DEG C of water-baths, obtain To base fluid;The specific steps of the step B are as follows: the crosslinking agent that will become sticky is slowly added in base fluid, after stirring 2min, is obtained cleaning and is become Viscous slippery water;The water is 20,000 salinities water below.
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