CN109536157A - Material and its slippery water, the multiplexing fracturing fluid of adjustable function are used for energy development - Google Patents
Material and its slippery water, the multiplexing fracturing fluid of adjustable function are used for energy development Download PDFInfo
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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
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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
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
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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
- C09K8/882—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/10—Nanoparticle-containing well treatment fluids
Abstract
The invention belongs to field of functional materials and the development fields of the oil gas energy, more particularly to a kind of material and preparation method thereof of magnetic control reusable fracturing fluid drag reduction thickening containing slippery water, including the component containing controllable magnetic in function surface active agent molecule and/or macromolecule；A kind of functional material and preparation method thereof of regulation liquid intermediate ion is also provided, including constituting a cable architecture by key by FeSi, diethylene triamine pentacetic acid (DTPA), FeSi is set to the position of the point of structure, the position of structure middle line is constituted and is set to including diethylene triamine pentacetic acid (DTPA), and the line is a plurality of line for freely cooperateing with the long-chain molecule swung to constitute with certain length；A kind of high volume increase fracturing propping agents and preparation method thereof are also provided simultaneously, and material of the invention and method are of great significance and act in the energy, environmental protection, the development of health care, the fine depth of scientific research field.
Description
Technical field
The invention belongs to field of functional materials more particularly to the development fields of the oil gas energy.
Background technique
Slippery water, fracturing fluid material be the important technology liquid or material of frscturing, especially in shale oil and gas development
In have the function of great, most of existing slippery water or fracturing fluid are polymer or natural plant gum, and molecular weight is high or molecule
Structure is fixed, and is acted through dosage natural sex and is able to achieve, and is also lacked and is realized molecular radical, chain, molecular structure, component, molecule
Between various mechanics form the adjustment and control system of similarities and differences structural behaviour energy total tune cooperation and lack similarities and differences structural behaviour can be whole
The adjustment and control system of body cooperation embody liquid viscosity, structure, broken glue, dissolve, take sand, subtract rent, the row of helping is integral coordination and matches
It closes and changes the drag reduction Tackifier materials composed structure system occurred and lack the preparation method for replanting drag reduction Tackifier materials.
Additionally, due to the functional material for lacking regulation liquid intermediate ion in existing material, the function in chemical material field is restricted
Can performance and accurate performance reach and control, especially in fracturing fluid field, existing fracturing fluid can not be fine with liquid water quality
It adjusts or liquid properties can not accurately be realized by simple extensive existing masking.
Existing fracturing propping agents are not portable, it is desirable that fracturing fluid property is high, and when construction is easy de- stifled, reaches predetermined position
Effect of increasing production is bad afterwards.
There is the serious exploitation for restricting the oil gas energy in the above variety of problems, while correlation has the function of that characteristic precisely realizes material
The shortage of material seriously hampers the development of water process and food pharmaceutical sanitary field fining and depth of printing and dyeing.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.Summary of the invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more, hereafter
Present invention is described for illustrating technical solution method and step.
In order to solve the problems, such as in background technique one of, the present invention provides a kind of magnetic control reusable fracturing fluid containing slippery water
The material of drag reduction thickening, including the component containing controllable magnetic in function surface active agent molecule and/or macromolecule.
Further, magnetic component surface, which wraps chemical combination, anion olefin surfactants, function surface activating agent point
Attached bag contains ammonium type cation or the sub- surfactant of yin and surface wraps the A kind that chemical combination has anion olefin type surfactant
Magnetic component forms molecule by bonding force, and the A kind magnetic component includes neodymium manganese iron nano silicon particles, and the neodymium manganese iron silicon is received
The ion molal weight ratio of neodymium manganese iron silicon is 1:1:3:2 in rice grain, and the neodymium is being received in nano particle center, the iron silicon
The outer layer of rice grain；Described and/or macromolecule be high molecular polymer or plant macromolecule, the high molecular polymer molecule or
One end and surface of plant macromolecular chain, which wrap chemical combination, has the B kind magnetic component of anion olefin surfactants to pass through bonding force
Molecule is formed, the B kind magnetic component includes cobalt manganese iron nano silicon particles, cobalt manganese iron silicon in the cobalt manganese iron nano silicon particles
Ion molal weight ratio is 1:1:3:2, and the A kind magnetic component is identical and controllable with the electrical property of the B kind magnetic component, magnetic
Power plays a role and controllable adaptive temperature is less than 300 DEG C.
Further, function surface active agent molecule includes solution property, anion alkene
Surfactant includes alpha-olefin ichthyodin, and polymer molecule includes polyacrylamide or sodium acrylate or 2- acrylamide -2-
Methyl propane sulfonic acid, the plant macromolecule include guanidine glue, and the bonding force includes that substitution reaction or double bond addition reaction combine and divide
Muon physics power forms, and the partial size of nano particle is 80-160 nanometers.
The manufacturing method of the present invention also provides a kind of magnetic control reusable fracturing fluid drag reduction Tackifier materials containing slippery water: it is special
Sign is；
Step 1: neodymium manganese iron nano silicon particles manufacture, by the molal weight of each ion in neodymium manganese iron silicon in manufacturing process
1:1:3:2 is added ratio in proportion, 10 moles of neodymium trichloride solution is poured into addition 50mL ammonium carbonate in reactor first, quickly
Then stirring is added ammonium hydroxide and adjusts Ph to 8-9 reaction 1-3 hours, it is anti-that 10 moles of potassium permanganate solution are added after being heated to 50 DEG C
It answers 10-30 minutes, deionized water stirring is added and rinses to PH=6-7, by 20 moles of frerrous chlorides and 10 moles of ferric chloride solutions
Stopping in 30 minutes of boiling is added in the above-mentioned solution that wash, then the interior ammonium hydroxide tune pH value to 9-10 at 1-2 hours, then plus
Enter the reaction of 20 moles of prodans and be added after 1 mole of calcium oxide to be taken with nitrogen dissolved air flotation after ten minutes to be precipitated, use
Deionized water stirring is added to rinse for several times, the neodymium manganese iron silicon particle to get nanometer A kind magnetic component is dried in vacuum oven,
The cobalt manganese iron nano silicon particles grain manufactures, in manufacturing process in proportion by the molal weight ratio of each ion in neodymium manganese iron silicon
1:1:3:2 is added, and first stops 20 moles of frerrous chlorides and 10 moles within ferric chloride solution ebuillition of heated 30 minutes, then in 1-
With sodium hydroxide tune pH value to 9-10 in 2 hours, then 10 moles of cobalt chloride solutions are poured into addition 50mL sodium carbonate in reactor,
Then hydrochloric acid is added and adjusts Ph to 8-9 reaction 1-3 hours, 10 moles of potassium permanganate solution reaction 10- are added after being heated to 50 DEG C
30 minutes, deionized water stirring is added and rinses to PH=6-7,20 moles of prodan reactions is then added, 1 is added after ten minutes
Mole calcium oxide after taken and precipitated with nitrogen dissolved air flotation, rinse vacuum drying for several times with deionized water stirring is added
The cobalt manganese iron silicon particle to get nanometer B kind magnetic component is dried in case；
Step 2: the neodymium manganese iron silicon particle or B kind magnetic component of the A kind magnetic component that has prepared are added in beaker
Cobalt manganese iron silicon particle is added anti-containing in anion olefin surfactants alpha-olefin ichthyodin beaker, heating 50-70 degrees Celsius
Answer 3h, and be slowly added to configured good 1-5ml ammonia spirit in period, after reaction solvent flashing, and with need magnetic
Field magnetizes to wrap the AB kind magnetic component particle that chemical combination has anion alpha-olefin ichthyodin to surface；
Step 3: surface is wrapped the A kind magnetic component and function surface activity that chemical combination has anion alpha-olefin ichthyodin
Agent molecule include solution property cause at low temperature polymerization 10-30 minute after freezing formed contain can
The function surface activating agent for controlling magnetic component, by polyacrylamide or sodium acrylate or 2- acrylamide-2-methyl propane sulfonic
Cause the polymer for aggregating into ten thousand molecular weight of 1-10 by aqueous solution chlorination reduction, then addition surface, which wraps chemical combination, anion
The B kind magnetic component of alpha-olefin ichthyodin obtains the function surface activating agent of the component of B kind controllable magnetic, with aqueous solution or reversely
Lotion reacts the 1-3 hours materials for forming magnetic control reusable fracturing fluid drag reduction thickening at 10-60 DEG C after composite initiator is added.
Another object of the present invention be include by the present invention drag reduction Tackifier materials and magnetic fracturing sand constitute together
A kind of magnetic control reusable fracturing fluid containing slippery water.
Drag reduction Tackifier materials and its fracturing fluid of the present invention the utility model has the advantages that by above-mentioned different types of magnetic component upper
It states and realizes drag reduction Tackifier materials of the invention under the lower whole cooperation of structure design of different component connection.Host agent of the invention
Mechanics network structure is formed under the magnetic force by strand and molecular radical, is embodied in performance parameters and is changed water etc.
The intermolecular molecular force of liquid, reduces intermolecular tension, provides viscosity and elasticity, resists and repair the broken of molecular structure
It is bad, it can be played a role by intramolecular and intermolecular different group architecture entirety magnetic force cooperations, it can be within specified temperatures
It loses mechanical property and needs to adjust different magnetic components and corresponding molecule chain link and composition collaboration mechanics according to different
The whole interactive viscoplasticity network structure that the different phases such as network structure and confrontation energy loss type structure and construction need, by not
Magnetic component of the same race is connected with different chemical groups is designed to the fast instant of molecule under the conditions of magnetron configuration is able to achieve certain phase
Solution and thickening (such as during stirring with the competing consumption of magnetic component magnetic force not of the same race) and dynamic and certain temperature condition function surface
Activating agent group cobalt manganese iron silicon nanometer under overall molecule group and structure during whole magnetive attraction system weakens and disappears
Grain take the lead in loss of excitation and neodymium manganese iron nano silicon particles and function surface activating agent and its different molecular interchain effect cooperation under it is mutual
Aggregation further increases structural elasticity and is embodied in pressure break as drag reduction and takes sand until moving to the corresponding position of bottom in bottom
The small entirety of specific temperature lose magnetism after functional group partially hydrophobic can increase and reduce surface tension through a step and help row, when returning
Return bottom after temperature reduce further magnetization after magnetic system reply can be achieved at least partly liquid be multiplexed reuse, comprising drag reduction increase
It shows to viscosify in appearance in the fracturing liquid of viscous material, drag reduction, the row of helping takes sand, and salt resistance is anti-shearing, the property such as fragile glue
Energy.
The present invention also provides a kind of functional material of regulation liquid intermediate ion, and component and structure include by FeSi, divinyl
Pentaacetic acid constitutes point cable architecture by key, and FeSi is set to the position of the point of structure, including diethylene triamine pentacetic acid (DTPA) exists
Interior composition and the position for being set to structure middle line, the line are a plurality of long-chain molecule for freely cooperateing with swing with certain length
The line of composition.
Further, ethylenediamine tetra-acetic acid, azodicarbonamide and/or acrylamide, isobutyl group sodium xanthate, including second two
Component including amine tetraacethyl, azodicarbonamide and/or acrylamide, isobutyl group sodium xanthate presses liveness jointly and participates in composition
The line.
The present invention also provides a kind of preparation method of the functional material of regulation liquid intermediate ion: step 1: by nanometer Fe Si and idol
Nitrogen diformamide and disodium ethylene diamine tetraacetate mixture are by weight under the dosage of 1:3-10 in quartz reaction container
Be heated to 180-200 DEG C and with being reacted 1-2 hours under conditions of oxygen after；Step 2: reducing temperature to 80-100 DEG C of addition
It is that the acrylamide of 1-2 times of FeSi weight reacts 0.5-1 hours in a nitrogen environment, is then reducing temperature at 60-80 DEG C
The diethylene triamine pentacetic acid (DTPA) that weight is 10-30 times of FeSi weight ratio is added, initiator initiation reaction 1- is added in a nitrogen environment
Addition is the isobutyl group sodium xanthate reaction half an hour of 0.1-0.3 times of diethylene triamine pentacetic acid (DTPA) weight ratio, slow cooling after 2 hours
To room temperature to get arrive functional material of the invention.
The functional material and preparation method thereof of regulation liquid intermediate ion of the invention has effect are as follows: has preferable collect
The effect for controlling different kinds of ions is adapted to regulation calcium and magnesium chromium every lead bronze zinc, other heavy metal ion and boron ion, chloride ion
Deng, embody that material molecule midpoint of the present invention end and line segment combine more stable and there is the spirit that freely swings for increasing long-chain
The architectural characteristic of activity.
The present invention also provides high volume increase fracturing propping agents, and composed structure includes: aluminum oxide 1-10%, three oxidations two
Iron 0.1-1%, remaining as silica, proppant contains a plurality of through integrally-built aperture, and the volume in the aperture accounts for branch
The 15-30% of agent total volume is supportted, proppant overall structure outer layer is the mixture of aluminum oxide and silica, and proppant is whole
The inside of body structure is di-iron trioxide component.
A kind of preparation method of high volume increase fracturing propping agents is provided simultaneously, step 1: score by weight is by tri- oxygen of 1-10%
Change two aluminium, 0.1-1% di-iron trioxide is formed remaining as being added in 10% polyacrylamide solution after silica acid dissolution
Paste liquid A；Step 2: 100-200 mesh sawdust to be processed into the sawdust rod of diameter 0.2-0.4mm, length 0.4mm-1.24mm
B is blown into sawdust rod B with air-flow in the graphite jig feed inlet with multiple sphere spaces, and when high-temperature process, the rod is burnt
Become aperture idiosome of the invention to the greatest extent, the diameter in the sphere space is 0.5-1.242mm, when there are several in each sphere
After rod B, the pressure 0.1-2MPa of air-flow；Step 3: then entering to feed paste liquid A from feed inlet air pressure, when paste liquid A fills
Stop indentation charging when full each sphere space, is pressed into the pressure 1-3MPa of charging, then grinding tool is put at 600-900 DEG C and is burnt
To melt sphere after 1-3 hours processed, 10-30% aluminum oxide, 30-60% silica, surplus are carbon by score by weight
Sour ammonium, which is quickly blown into after melting at 500-900 DEG C with nitrogen, to be melted sphere and starts slowly drop room temperature after aperture surface 1-2 minutes, is beaten
Opening grinding tool discharging is the proppant.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of preferred embodiment, instead of all the embodiments, also based on described the embodiment of the present invention, this field is general
Logical technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of material of the magnetic control reusable fracturing fluid drag reduction thickening containing slippery water, including function surface active agent molecule
And/or containing the component of controllable magnetic in macromolecule, the magnetic similarities and differences of magnetic component, magnetic size, it is magnetic whether there is or not, magnetic adapt to
Temperature, magnetic speed etc. it is all controllable, further, the magnetic component includes cobalt/neodymium manganese iron nano silicon particles, nanometer
The partial size of grain is 80-160 nanometers, and magnetic component surface, which wraps chemical combination, anion olefin surfactants, the bonding force packet
It includes substitution reaction or double bond addition reaction binding molecule physical force forms, such as alpha-olefin ichthyodin, fatty alcohol polyoxyethylene ether, nonyl
Base phenol polyethenoxy ether etc. makes the surface-actives such as alpha-olefin ichthyodin by silicon oxygen bond, ether-oxygen bond Cascade Synthesis association force drawing etc.
Agent concatenation is wrapped in the surface comprising magnetic components nano particles such as neodymium manganese iron silicon, function surface activating agent such as hexadecyldimethylamine
Base allyl ammonium chloride, double caprylic acid ester group sodium tartrates etc., surface wraps the A that chemical combination has anion olefin type surfactant
Kind magnetic component surfactant, if neodymium manganese iron nano silicon particles are its tables of the A kind magnetic component of the strong repulsion type under 120 degree
Face wraps alpha-olefin ichthyodin, and function surface active agent molecule includes that ammonium type cation or the sub- surfactant of yin and surface are wrapped up in
Covering chemical combination has anion alkene to form molecule by bonding force, as solution property and surface wrap α-
The A kind magnetic flux of alkene sulfonic acid ammonium crosses addition bonding force and forms molecule；Described and/or macromolecule is that high molecular polymer or plant are high
Molecule, if polymer molecule includes polyacrylamide or sodium acrylate or 2- acrylamide-2-methyl propane sulfonic or polyethylene pyrrole
Pyrrolidone etc., the plant macromolecule include guanidine glue, one end and the table of the high molecular polymer molecule or plant macromolecular chain
Face, which wraps chemical combination, has the B kind magnetic component of anion olefin surfactants to form molecule by bonding force, such as acrylamide or
Surface, which is connected with, in one end of acrylamide after sodium acrylate and the polymerization of 2- acrylamide-2-methyl propane sulfonic wraps alpha-olefin sulphur
For the B kind magnetism of acid at cobalt manganese iron nano silicon particles, cobalt manganese iron nano silicon particles are the B kind magnetic of the stronger repulsion type under 120 degree
Property component, B kind magnetic component system condition effect under magnetic force malleable.
The ion molal weight ratio of neodymium manganese iron silicon is 1:1:3:2 in the cobalt/neodymium manganese iron nano silicon particles, and the neodymium exists
Nano particle center, outer layer of the iron silicon in nano particle, middle outer layer of the cobalt in B kind magnetic-particle, above-mentioned setting side
Just it constitutes and forms magnetic force stage and magnetic difference, the A kind magnetic component and the B kind magnetism group in magnetic control system and the competing damage of magnetic force
The suitable temperature that the electrical property divided is identical and controllable, magnetic force plays a role is less than in 300 DEG C and controllable.By above-mentioned different types of
Drag reduction Tackifier materials of the invention are realized under magnetic component cooperation whole under the structure design that above-mentioned different component connects.
Host agent of the invention forms mechanics network structure by strand and molecular radical under the magnetic force, in performance parameters upper body
Reveal the intermolecular molecular force for changing the liquid such as water, reduce intermolecular tension, viscosity and elasticity are provided, resists and repair point
The destruction of minor structure can be played a role by intramolecular and intermolecular different group architecture entirety magnetic force cooperations, can be in spy
Mechanical property is lost at a temperature of fixed and needs to adjust different magnetic components and corresponding molecule chain link and group according to different
At collaboration mechanics network structure and fight the different phases such as energy loss type structure and the whole interactive viscoplasticity network needed of constructing
Structure is connected with different chemical groups by magnetic component not of the same race and is designed to divide under the conditions of magnetron configuration is able to achieve certain phase
The quick dissolution of son and thickening (such as during stirring with the competing consumption of magnetic component magnetic force not of the same race) and dynamic and certain temperature item
Part function surface activating agent group cobalt manganese under overall molecule group and structure during whole magnetive attraction system weakens and disappears
Iron nano silicon particles take the lead in the effect of loss of excitation and neodymium manganese iron nano silicon particles and function surface activating agent and its different molecular interchain
The lower mutually aggregation of cooperation further increases that structural elasticity is embodied in pressure break as drag reduction and to take sand corresponding until moving to bottom
Position functional group partially hydrophobic after the small entirety of specific temperature of bottom loses magnetism, which can increase, reduces surface through a step
Power helps row, and the achievable at least partly liquid of magnetic system reply is multiplexed back after temperature reduces further magnetization after returning to bottom
With showing to viscosify in appearance in the fracturing liquid comprising drag reduction Tackifier materials, drag reduction, the row of helping, take sand, salt resistance shearing resistance
It cuts, the performances such as fragile glue.
The manufacturing method of the material for the magnetic control control reusable fracturing fluid drag reduction thickening that the present invention also provides a kind of containing slippery water,
Steps are as follows for embodiment；
Step 1: neodymium manganese iron nano silicon particles manufacture, by the molal weight of each ion in neodymium manganese iron silicon in manufacturing process
1:1:3:2 is added ratio in proportion, 10 moles of neodymium trichloride solution is poured into addition 50mL ammonium carbonate in reactor first, quickly
Then stirring is added ammonium hydroxide and adjusts Ph to 8-9 reaction 1-3 hours, it is anti-that 10 moles of potassium permanganate solution are added after being heated to 50 DEG C
It answers 10-30 minutes, deionized water stirring is added and rinses to PH=6-7, by 20 moles of frerrous chlorides and 10 moles of ferric chloride solutions
Stopping in 30 minutes of boiling is added in the above-mentioned solution that wash, then the interior ammonium hydroxide tune pH value to 9-10 at 1-2 hours, then plus
Enter the reaction of 20 moles of prodans and be added after 1 mole of calcium oxide to be taken with nitrogen dissolved air flotation after ten minutes to be precipitated, use
Deionized water stirring is added to rinse for several times, the neodymium manganese iron silicon particle to get nanometer A kind magnetic component is dried in vacuum oven；
The cobalt manganese iron nano silicon particles grain manufactures, in manufacturing process in proportion by the molal weight ratio of each ion in neodymium manganese iron silicon
1:1:3:2 is added, and first stops 20 moles of frerrous chlorides and 10 moles within ferric chloride solution ebuillition of heated 30 minutes, then in 1-
With sodium hydroxide tune pH value to 9-10 in 2 hours, then 10 moles of cobalt chloride solutions are poured into addition 50mL sodium carbonate in reactor,
Then hydrochloric acid is added and adjusts Ph to 8-9 reaction 1-3 hours, 10 moles of potassium permanganate solution reaction 10- are added after being heated to 50 DEG C
30 minutes, deionized water stirring is added and rinses to PH=6-7,20 moles of prodan reactions is then added, 1 is added after ten minutes
Mole calcium oxide after use nitrogen dissolved air flotation, then pneumatically supported steam-water ratio 15-5:1 draws the heavy of airfloat equipment bottom with pump
It forms sediment, precipitating is rinsed for several times with deionized water stirring is added, the cobalt to get nanometer B kind magnetic component is dried in vacuum oven
Manganese iron silicon particle；The cobalt ions quality that the B kind magnetic-particle that this method obtains guarantees and the middle outer layer position in particle entirety,
B kind magnetic-particle is completed, and in magnetic system effect, to be that system is competing undermine magnetic deviation；It can quick accurate shape by above method
At the magnetic-particle of A and B kind structure and material, adapt to merge ingredient structural body with the polymer substance stabilization in the present invention
System；
Step 2: the neodymium manganese iron silicon particle or B kind magnetic component of the A kind magnetic component that has prepared are added in beaker
Cobalt manganese iron silicon particle is added anti-containing in anion olefin surfactants alpha-olefin ichthyodin beaker, heating 50-70 degrees Celsius
3h is answered, and is slowly added to configured good 1-5ml ammonia spirit in period.Solvent flashing after reaction, and with need magnetic
Field magnetizes to wrap the AB kind magnetic component particle that chemical combination has anion alpha-olefin ichthyodin to surface, is beneficial to by this method
Realize the size of the length molecule amount of the molecular radical and its strand and molecular structure in this law, while the method method obtains
Overall molecule stable structure can be made by wrapping particle；
Step 3: surface is wrapped the A kind magnetic component and function surface activity that chemical combination has anion alpha-olefin ichthyodin
Agent molecule include solution property cause at low temperature polymerization 10-30 minute after freezing formed contain can
The function surface activating agent for controlling magnetic component, by polyacrylamide or sodium acrylate or 2- acrylamide-2-methyl propane sulfonic
Or plant macromolecule causes the polymer for aggregating into ten thousand molecular weight of 1-10 by aqueous solution chlorination reduction, and surface is then added and wraps
Chemical combination have the B kind magnetic component of anion alpha-olefin ichthyodin obtain B kind controllable magnetic component function surface activating agent, use
Aqueous solution or inverted emulsion are added after composite initiator in 10-60 DEG C of reaction 1-3 hours formation (molecular weight is in 300-800) magnetic control
Control reusable fracturing fluid drag reduction Tackifier materials.Composite initiator can be added with well known in the art organic and inorganic 1:3 dosage, will
It is denoted as wfy-01 by drag reduction Tackifier materials prepared by the above method, the reaction participated in by above-mentioned different phase difference group
Manufacturing method can fast implement the present invention claims strand and molecular structure, with accurately play in the present invention it is magnetic controllably and point
Subsystem plays a role power, realizes the structural mechanical property under different phase different condition, at least viscosifies, subtract in embodiment fracturing fluid
Resistance, the row of helping take sand, and salt resistance is anti-shearing, the performances such as fragile glue.It takes wfy-01 sample 3g to be added in 1% Klorvess Liquid to stir
Configure 1000ml, surveyed in 3 minutes it is viscous, after half an hour by, take sand, drag reduction, broken glue, surface tension and test its different phase not
The manufacturing method of the reaction participated in group can fast implement the present invention claims strand and molecular structure, accurately to play this
In invention it is magnetic controllably and the structural mechanics that plays a role under force characteristic, and realization different phase different condition of molecular system
The characteristic of energy, while it being denoted as contrast test under xh-01 equal conditions with existing polymer fracturing fluid thickening friction reducer, it is shown in Table 1；
Table 1
By above-mentioned contrast test it is found that drag reduction Tackifier materials of the invention show good thickening, take sand, drag reduction,
Glue, Low Damage and good characteristic of low surface tension are broken, performance is better than polymer fracturing fluid thickening drop resistance under equal conditions
Agent further demonstrates that material and preparation method of the invention can have below good realization by data in above-mentioned experiment and table 1
Beneficial effect: this hair is realized under the cooperation whole under the structure design that above-mentioned different component connects of different types of magnetic component
Bright drag reduction Tackifier materials.Host agent of the invention forms mechanics network knot by strand and molecular radical under the magnetic force
Structure embodies the intermolecular molecular force for changing the liquid such as water in performance parameters, reduces intermolecular tension, provide viscosity and
The destruction of molecular structure is resisted and repaired to elasticity, can be matched by intramolecular and intermolecular different group architecture entirety magnetic force
Conjunction plays a role, and can lose mechanical property within specified temperatures and need to adjust different magnetic components and correspondence according to different
Molecule chain link and composition collaboration mechanics network structure and fight the different phases such as energy loss type structure and entirety that construction needs
Interactive viscoplasticity network structure.
A kind of magnetic control control reusable fracturing fluid containing slippery water, composition include drag reduction Tackifier materials, tool in the present invention
Magnetic fracturing sand；It specifically will include by weight percentage adjusting 0.01-0.1% drag reduction Tackifier materials, 0.1-0.5%
Agent, 0.5-2% expansion-resisting agent are stirring the pressure break for being incorporated as the 5-40% magnetism of water volume percentage after being easy in the water of surplus
Sand may make up the magnetic control control reusable fracturing fluid of slippery water；It will include that 0.01-0.5% drag reduction is viscosified into material by weight percentage
Material, 0.1-0.5% regulator, 0.5-2% expansion-resisting agent be easy surplus water in after stirring be incorporated as water volume percentage
The fracturing sand of 5-40% magnetism may make up other magnetic control control reusable fracturing fluids.
It is serious to restrict chemical material field additionally, due to the functional material for lacking regulation liquid intermediate ion in existing material
The performance of function and reaching and controlling for accurate performance, especially in fracturing fluid field, existing fracturing fluid can not with liquid water quality
It is fine to adjust or liquid properties accurately be realized by simple extensive masking, it further seriously restricts this fracturing fluid and returns
The circulation adapted of drain, the present invention also provides a kind of functional materials of regulation liquid intermediate ion, including by FeSi, diethylenetriamine
Pentaacetic acid constitutes point cable architecture by key, and FeSi is set to the position of the point of structure, including diethylene triamine pentacetic acid (DTPA) in interior structure
At with the position that is set to structure middle line, the line is a plurality of long-chain molecule composition for freely cooperate with swing with certain length
Line.
The components also include components: ethylenediamine tetra-acetic acid, azodicarbonamide and/or acrylamide, isobutyl group sodium are yellow
Medicine, including ethylenediamine tetra-acetic acid, azodicarbonamide and/or acrylamide, the acrylamide with activated carbon, isobutyl group sodium xanthate
Component inside presses liveness jointly and participates in the composition line；The further present invention can according in liquid ion concentration and
Type will be component and comprising diethylene triamine pentacetic acid (DTPA) including ethylenediamine tetra-acetic acid, azodicarbonamide, acrylamide
It is inside that calculate design molecular weight in 8000-10000 be one section to group subtotaling, then above-mentioned two component successive alternate combinations in order
It is multistage to collect the ion in regulation transition elements.
Functional material of the invention arrests collection by the attraction of the long end of the chain connection of a plurality of swing for being fixed on central point end
The molecular radical of various metals ion freely collects control different kinds of ions, and calcium ion includes: calcium and magnesium chromium every lead bronze zinc, other
Heavy metal ion and boron ion, chloride ion etc. can be made by azodicarbonamide and/or acrylamide, ethylenediamine tetra-acetic acid
The flexibility ratio that freely swings that is more stable and increasing long-chain that molecule midpoint end and line segment combine makes the long end of the chain mostly and more
Multi-faceted collection regulates and controls ion.
The present invention regulates and controls the usage of the functional material of liquid intermediate ion, by the material in invention by weight percent with 0.1-
1% is added in the reactor of dress water, in the aqueous solution of pH2-13, after stirring 10-1 hours, in reactor bottom electromagnetic force
The functional material adsorbing separation is realized the regulation to ion by generating device, this material is available to cure with water process and printing and dyeing food
The regulation of medicine health field effects of ion, this material can also be used for when fracturing fluid recovery (backflow) liquid reuses to the ion in liquid
Control complete liquid reuse and match again.
The preferred embodiment of the present invention: it should be noted that molecular weight in the present invention 3000 the above are long molecule, with
By FeSi by aoxidizing ethylenediamine tetra-acetic acid of a plurality of short molecular chain of bonding force, two formyl of azo on the surface centered on it
Amine and/or acrylamide connect the diethylene triamine pentacetic acid (DTPA) compared with long molecule section, after diethylene triamine pentacetic acid (DTPA) after amide
The isobutyl group sodium xanthate of continued access segment molecule chain；Further, nano active carbon can be added (preferably in amide molecule section of the invention
It is amide additional amount is 0.3-0.5 times of amide quality, by the way that amide of the reaction preparation with activated carbon is added simultaneously with amide
Molecule section), to increase overall molecule anion and the charges of different polarity reach the cationic molecule end of the chain in molecule with big wobble
And ionic control.
Illustrate the preparation method of the functional material of this regulation liquid intermediate ion below, in following implementation, by nanometer
FeSi and azodicarbonamide and disodium ethylene diamine tetraacetate mixture are anti-in quartz by weight under the dosage of 1:3-10
Answer vessel in heating to 180-200 DEG C and with being reacted 1-2 hours under conditions of oxygen after；Step 2: reducing temperature to 80-
100 DEG C of additions are that the acrylamide of 1-2 times of FeSi weight and/or the acrylamide with activated carbon react 0.5- in a nitrogen environment
1 hour, the diethylene triamine pentacetic acid (DTPA) that weight is 10-30 times of FeSi weight ratio is then added at 60-80 DEG C in reduction temperature
Being added after being added initiator initiation reaction 1-2 hours in a nitrogen environment is 0.1-0.3 times of diethylene triamine pentacetic acid (DTPA) weight ratio
Isobutyl group sodium xanthate react half an hour, slow cooling to room temperature obtains this function material and is denoted as wfy-02, passes through the system of reacting above
The Synthetic Technique of Functional Materials of standby regulation liquid intermediate ion are simple, and quick and high efficient reaction, functional material performance is stablized.Take tune of the present invention
The functional material wfy-02 of draining body intermediate ion weighs 0.5mg addition 100ml and contains calcium and magnesium chromium every lead bronze zinc boron chloride ion content
Respectively 500,600,1.5,1.8,2.1,10.7,1.5,30.7, after 26.9ug/mL, tune pH is 2-13, after stirring 1 hour,
Reactor bottom arrangement for producing electromagnetic force by the functional material adsorbing separation to realize the regulation to ion after, be used in combination
ICAP6000 Inductively coupled plasma optical emission spectrometer and LC1090 Shimadzu liquid chromatograph detect above-mentioned ion concentration, use simultaneously
EDTA is tested as a comparison in equal conditions, and specific experiment effect is shown in Table 2；
Table 2
According to the data in upper table 2 it is found that functional material of regulation liquid intermediate ion of the invention and preparation method thereof tool
It is effective are as follows: to have the effect of preferably collecting control different kinds of ions, be adapted to regulation calcium and magnesium chromium every lead bronze zinc, other heavy metals
Ion and boron ion, chloride ion etc., embody that material molecule midpoint of the present invention end and line segment combine more stable and have
There is the architectural characteristic for the flexibility ratio that freely swings for increasing long-chain, while the above-mentioned all data of material of the invention under equal conditions is excellent
In EDTA.
Existing fracturing propping agents are not portable, it is desirable that fracturing fluid property is high, and when construction is easy de- stifled, reaches predetermined position
Effect of increasing production is bad afterwards, and height volume increase fracturing propping agents, composed structure includes: by mass: aluminum oxide 1-10%, three oxygen
Change two iron 0.1-1%, remaining as silica, proppant contains a plurality of through integrally-built aperture, the volume in the aperture
The 15-30% of proppant total volume is accounted for, proppant overall structure outer layer is the mixture of aluminum oxide and silica, support
The integrally-built inside of agent is di-iron trioxide component.
Illustrate the preferred embodiment of this proppant below: height volume increase fracturing propping agents, composed structure includes: by quality hundred
Divide book meter, aluminum oxide 10%, di-iron trioxide 1%, remaining as silica, proppant contains a plurality of through overall structure
Aperture, the volume in the aperture accounts for the 30% of proppant total volume, and proppant overall structure outer layer is aluminum oxide and two
The mixture of silica, the integrally-built inside of proppant are di-iron trioxide component.Further, all apertures with connection
Radian 60-80 degree between face, while the radian number that same aperture exports out at proppant both ends is corresponding, aperture and proppant table
The roughness in face is 0.05~0.8.
The aperture of special angle and smoothness that this height volume increase fracturing propping agents are formed by surfacing, it is reasonable to pressure break
Liquid molecule passes through, and does not cause fracturing fluid molecule to destroy, while providing fracturing fluid molecule transition support force, is beneficial to proppant
Stablize carrying, after the proppant of the state reaches low layer predetermined position, substance disengaging exchange is beneficial to by aperture and is realized fastly
The broken glue of speed, while the channel for increasing oil gas disengaging at double, due to the structure and Facing material in aperture, accelerate oil gas into
Out, while the residual that oil gas and other medicament materials go out in aperture is decreased.
A kind of preparation method of high volume increase fracturing propping agents, step 1: score by weight is by 1-10% aluminum oxide,
0.1-1% di-iron trioxide remaining as be added after silica acid dissolution in 10% polyacrylamide solution formed paste liquid A；
Step 2: 100-200 mesh sawdust to be processed into the sawdust rod B of diameter 0.2-0.4mm, length 0.4mm-1.24mm, have
The graphite jig feed inlet of multiple sphere spaces is blown into sawdust rod B with air-flow, and when high-temperature process, the rod, which is burnt out, becomes this
The aperture idiosome of invention, the diameter in the sphere space are 0.5-1.242mm, when in each sphere there are after several rod B,
The pressure 0.1-2MPa of air-flow, by can quickly and accurately allow 3-5 rod to enter sphere to air flow pressure；Step 3: then
Enter to feed paste liquid A from feed inlet air pressure, stops indentation charging, indentation charging when paste liquid A is full of each sphere space
Pressure 1-3MPa, then grinding tool is put into after being fired 1-3 hours at 600-900 DEG C to melt sphere, score by weight is by 10-
30% aluminum oxide, 30-60% silica, surplus are quickly to be blown into after ammonium carbonate melts at 500-900 DEG C with nitrogen
Melting sphere and starting slowly drop room temperature, ammonium carbonate high temperature procedure decomposition after aperture surface 1-2 minutes promotes material volume to shrink,
It is open-minded by the pressure and related process Assurance of Size proppant aperture of above-mentioned temperature and indentation charging, open grinding tool discharging
The as described proppant, the mold are two halves ball type opening-closing structure.
Preferred embodiment: step 1: score is by 10% aluminum oxide by weight, 1% di-iron trioxide is remaining as dioxy
Formation paste liquid A is added in 10% polyacrylamide solution after SiClx acid dissolution, by 100 mesh sawdusts be processed into diameter 0.4mm,
The sawdust rod B of length 1.22mm is blown into sawdust rod B with air-flow in the graphite jig feed inlet with multiple sphere spaces,
1.221 or so mm of diameter in the sphere space, when in each sphere there are after several rod B, the pressure 0.2MPa of air-flow；
Step 2: then enter to feed paste liquid A from feed inlet air pressure, stop being pressed into when paste liquid A is full of each sphere space into
Material, is pressed into the pressure 1.2MPa of charging, is then put into grinding tool after firing 2.1 hours at 800 DEG C to melt sphere, by weight score
It is quickly to be blown into melt sphere with nitrogen after ammonium carbonate melts at 850 DEG C by 10% aluminum oxide, 60% silica, surplus
And start slowly drop room temperature after aperture surface 1-2 minutes, opening grinding tool discharging is the proppant, and the mold is two hemispheres
Body formula opening-closing structure efficiently can quickly prepare the volume increase proppant of the high pressure in the present invention by above method step and be denoted as wfy-
03, the method according to petroleum industry standard SY-5108/97 is to its performance detection, while with quartz sand and haydite in equal conditions
Under compare, concrete outcome is shown in Table 3；
Table 3
By table 3 it is found that high volume increase proppant performance of the invention is met the requirements of the standard, at the same density, flow conductivity, light
The data such as slippery can be seen that branch of the present invention additionally by magnifying glass better than the data of quartz sand and haydite under standard and equal conditions
The aperture for supportting agent has the beneficial effect that this height increases production fracturing propping agents and passes through surfacing shape by that can embody the present invention above
At special angle and smoothness aperture, it is reasonable to fracturing fluid molecule passes through, do not cause fracturing fluid molecule destroy, provide simultaneously
Fracturing fluid molecule transition support force is beneficial to stablizing for proppant and carries, when the proppant of the state reaches low layer pre-determined bit
It postpones, substance disengaging exchange is beneficial to by aperture and realizes rapid break, while the channel for increasing oil gas disengaging at double, by
Structure and Facing material in aperture, accelerate the disengaging of oil gas, while decreasing oil gas and other medicament materials in aperture
The residual in channel.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of magnetic control reusable fracturing fluid drag reduction Tackifier materials containing slippery water, it is characterised in that: including function surface activity
Contain the component of controllable magnetic in agent molecule and/or macromolecule.
2. drag reduction Tackifier materials as described in claim 1, it is characterised in that: magnetic component surface, which wraps chemical combination, anion alkene
Hydrocarbon surfactants, function surface active agent molecule include that ammonium type cation or the sub- surfactant of yin and surface wrap chemical combination
There is the A kind magnetic component of anion olefin type surfactant to form molecule by bonding force, the A kind magnetic component includes neodymium
Manganese iron nano silicon particles, the ion molal weight ratio of neodymium manganese iron silicon is 1:1:3:2 in the neodymium manganese iron nano silicon particles, described
Neodymium is in nano particle center, outer layer of the iron silicon in nano particle；Described and/or macromolecule is high molecular polymer or plant
Macromolecule, one end and surface of the high molecular polymer molecule or plant macromolecular chain, which wrap chemical combination, anion alkene surface
The B kind magnetic component of activating agent forms molecule by bonding force, and the B kind magnetic component includes cobalt manganese iron nano silicon particles, institute
The ion molal weight ratio for stating cobalt manganese iron silicon in cobalt manganese iron nano silicon particles is 1:1:3:2, the A kind magnetic component and described
The electrical property of B kind magnetic component is identical and controllable, magnetic force plays a role and controllable adaptive temperature is less than 300 DEG C.
3. drag reduction Tackifier materials as claimed in claim 2, it is characterised in that: function surface active agent molecule includes octadecyl
Dimethylallylammonium chloride, anion olefin surfactants include alpha-olefin ichthyodin, and polymer molecule includes polypropylene
Amide or sodium acrylate or 2- acrylamide-2-methyl propane sulfonic, the plant macromolecule include guanidine glue, and the bonding force includes
Substitution reaction or double bond addition reaction binding molecule physical force form, and the partial size of nano particle is 80-160 nanometers.
4. a kind of magnetic control control reusable fracturing fluid containing slippery water, it is characterised in that: including the drag reduction thickening in claim 1-3
Material, magnetic fracturing sand.
5. a kind of manufacturing method of the drag reduction Tackifier materials in such as claim 1-3: it is characterized by: step 1: neodymium manganese iron silicon
Nano particle manufactures, and by the molal weight ratio of each ion in neodymium manganese iron silicon, 1:1:3:2 is added in proportion in manufacturing process, first
10 moles of neodymium trichloride solution are first poured into addition 50mL ammonium carbonate in reactor, are quickly stirred, ammonium hydroxide is then added and adjusts Ph
It is reacted 1-3 hours to 8-9,10 moles is added after being heated to 50 DEG C potassium permanganate solution reaction 10-30 minutes, deionized water is added
Stirring is rinsed to PH=6-7, and 20 moles of frerrous chlorides and 10 moles of ferric chloride solutions are added in the above-mentioned solution washed and are boiled
It rises 30 minutes and stops, then 20 moles of prodans are then added and are reacted 10 points with ammonium hydroxide tune pH value to 9-10 in 1-2 hours
It is taken and is precipitated with nitrogen dissolved air flotation after the calcium oxide of 1 mole of addition after clock, rinsed for several times with deionized water stirring is added,
The neodymium manganese iron silicon particle to get nanometer A kind magnetic component, the cobalt manganese iron nano silicon particles grain system are dried in vacuum oven
It makes, by the molal weight ratio of each ion in neodymium manganese iron silicon, 1:1:3:2 is added in proportion in manufacturing process, first by 20 moles
Frerrous chloride and 10 moles of stoppings in ferric chloride solution ebuillition of heated 30 minutes, then with sodium hydroxide tune pH value in 1-2 hours
Addition 50mL sodium carbonate in reactor is poured into 9-10, then by 10 moles of cobalt chloride solutions, hydrochloric acid is then added and adjusts Ph to 8-9
Reaction 1-3 hours is added 10 moles potassium permanganate solution reaction 10-30 minutes after being heated to 50 DEG C, deionized water stirring is added
It rinses to PH=6-7, is then added after 20 moles of prodans react the calcium oxide of 1 mole of addition after ten minutes and uses nitrogen air bearing
Separation, which is taken, to be precipitated, and is rinsed for several times, is dried in vacuum oven magnetic to get nanometer B kind with deionized water stirring is added
The cobalt manganese iron silicon particle of component；Step 2: it is characterized by: the neodymium manganese of the A kind magnetic component prepared is added in beaker
Iron silicon particle or the cobalt manganese iron silicon particle of B kind magnetic component are added to be burnt containing anion olefin surfactants alpha-olefin ichthyodin
In cup, 50-70 degrees Celsius of reaction 3h is heated, and be slowly added to configured good 1-5ml ammonia spirit in period, after reaction
Solvent flashing, and magnetize to wrap the AB kind magnetic component that chemical combination has anion alpha-olefin ichthyodin to surface with the magnetic field needed
Particle；Step 3: it is characterized by: surface is wrapped the A kind magnetic component and function that chemical combination has anion alpha-olefin ichthyodin
Surfactant molecule includes freezing shape after solution property causes polymerization 10-30 minutes at low temperature
At the function surface activating agent of the component containing controllable magnetic, by polyacrylamide or sodium acrylate or 2- acrylamide -2- first
Base propane sulfonic acid causes the polymer for aggregating into ten thousand molecular weight of 1-10 by aqueous solution chlorination reduction, and surface is then added and wraps chemical combination
There is the B kind magnetic component of anion alpha-olefin ichthyodin to obtain the function surface activating agent of the component of B kind controllable magnetic, use is water-soluble
Liquid or inverted emulsion are added after composite initiator in 1-3 hours formation magnetic control reusable fracturing fluid drag reduction thickeninies of 10-60 DEG C of reaction
Material.
6. it is a kind of regulate and control liquid intermediate ion functional material, it is characterised in that: component and structure include by FeSi, diethylenetriamine
Pentaacetic acid constitutes point cable architecture by key, and FeSi is set to the position of the point of structure, including diethylene triamine pentacetic acid (DTPA) in interior structure
At with the position that is set to structure middle line, the line is a plurality of long-chain molecule composition for freely cooperate with swing with certain length
Line.
7. functional material as claimed in claim 6, it is characterised in that: component further includes component: ethylenediamine tetra-acetic acid, azo two
Formamide and/or acrylamide, isobutyl group sodium xanthate, including ethylenediamine tetra-acetic acid, azodicarbonamide and/or acrylamide,
Component including isobutyl group sodium xanthate presses liveness jointly and participates in the composition line.
8. such as the preparation method of the functional material in claim 7: it is characterized by: step 1: by nanometer Fe Si and two formyl of azo
Amine and disodium ethylene diamine tetraacetate mixture by weight under the dosage of 1:3-10 in quartz reaction vessel in heating to 180-
200 DEG C and with being reacted 1-2 hours under conditions of oxygen after；Step 2: it is characterized by: reducing temperature to 80-100 DEG C of addition
It is that the acrylamide of 1-2 times of FeSi weight reacts 0.5-1 hours in a nitrogen environment, is then reducing temperature at 60-80 DEG C
The diethylene triamine pentacetic acid (DTPA) that weight is 10-30 times of FeSi weight is added, initiator initiation reaction 1-2 is added in a nitrogen environment
Addition is the isobutyl group sodium xanthate reaction half an hour of 0.1-0.3 times of diethylene triamine pentacetic acid (DTPA) weight after hour, and slow cooling is extremely
Room temperature to get arrive functional material of the invention.
9. height volume increase fracturing propping agents, composed structure includes: aluminum oxide 1-10%, di-iron trioxide 0.1-1%, residue
For silica, proppant contains a plurality of through integrally-built aperture, and the volume in the aperture accounts for the 15- of proppant total volume
30%, proppant overall structure outer layer is the mixture of aluminum oxide and silica, and the integrally-built inside of proppant is
Di-iron trioxide component.
10. the preparation method of height volume increase fracturing propping agents, it is characterised in that: step 1: score aoxidizes 1-10% tri- by weight
Two aluminium, 0.1-1% di-iron trioxide form cream remaining as being added in 10% polyacrylamide solution after silica acid dissolution
Shape liquid A；Step 2: it is characterized by: 100-200 mesh sawdust is processed into diameter 0.2-0.4mm, length 0.4mm-1.24mm
Sawdust rod B is blown into sawdust rod B with air-flow in the graphite jig feed inlet with multiple sphere spaces, when high-temperature process
The rod, which is burnt out, becomes aperture idiosome of the invention, and the diameter in the sphere space is 0.5-1.242mm, when in each sphere
There are after several rod B, the pressure 0.1-2MPa of air-flow；Step 3: it is characterized by: then entering charging from feed inlet air pressure
Paste liquid A stops indentation charging when paste liquid A is full of each sphere space, is pressed into the pressure 1-3MPa of charging, then will mill
Tool is put into is fired 1-3 hours at 600-900 DEG C after be to melt sphere, score by weight is by 10-30% aluminum oxide, 30-60%
Silica, surplus are quickly to be blown into melt sphere and aperture surface 1-2 minutes with nitrogen after ammonium carbonate melts at 500-900 DEG C
After start slowly to drop room temperature, open grinding tool discharging be the proppant.
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| CN201811633057.XA CN109536157A (en) | 2018-12-28 | 2018-12-28 | Material and its slippery water, the multiplexing fracturing fluid of adjustable function are used for energy development |
| CN201910761435.0A CN110643342A (en) | 2018-12-28 | 2018-12-28 | Functional material for regulating and controlling ions in liquid |
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