CN108148568A - Crosslinking agent for oil field produced water liquid preparation and preparation method thereof - Google Patents
Crosslinking agent for oil field produced water liquid preparation and preparation method thereof Download PDFInfo
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- CN108148568A CN108148568A CN201711441656.7A CN201711441656A CN108148568A CN 108148568 A CN108148568 A CN 108148568A CN 201711441656 A CN201711441656 A CN 201711441656A CN 108148568 A CN108148568 A CN 108148568A
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- crosslinking agent
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- extracted water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000003431 cross linking reagent Substances 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims abstract description 24
- 229960002796 polystyrene sulfonate Drugs 0.000 claims abstract description 15
- 239000011970 polystyrene sulfonate Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 150000001768 cations Chemical class 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229940059939 kayexalate Drugs 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- QPLYLJGKQHTSKJ-UHFFFAOYSA-N [Na].Br(=O)(=O)(=O)O Chemical compound [Na].Br(=O)(=O)(=O)O QPLYLJGKQHTSKJ-UHFFFAOYSA-N 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 23
- 150000003839 salts Chemical class 0.000 abstract description 7
- 125000002091 cationic group Chemical group 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 abstract 2
- 239000000600 sorbitol Substances 0.000 abstract 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 31
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000004094 surface-active agent Substances 0.000 description 9
- 230000002209 hydrophobic effect Effects 0.000 description 8
- 238000013019 agitation Methods 0.000 description 5
- 238000003760 magnetic stirring Methods 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 239000004971 Cross linker Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012053 oil suspension Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a cross-linking agent for oil field produced water liquid preparation and a preparation method thereof, wherein the cross-linking agent comprises, by weight, 8% -15% of sorbitol, 12% -25% of cationic polystyrene sulfonate, 10% -20% of a solvent, 3% -5% of an initiator, 3% -5% of a catalyst and the balance of water. The preparation method comprises the steps of adding sorbitol and cationic polystyrene sulfonate according to the formula amount into a reactor, adding solvent and initiator according to the formula amount, adding catalyst according to the formula amount, stirring and heating under the condition of water vacuumizing, and reacting for 3-6 hours to obtain colorless transparent liquid. The cross-linking agent prepared by the invention has stronger salt resistance, simultaneously takes certain oil resistance into consideration, so that the cross-linking agent can be suitable for preparing fracturing fluid from various oilfield produced water, has good sand carrying property compared with a gel type fracturing fluid system, and can meet the requirement of high sand carrying property in the practical application process.
Description
Technical field
The present invention relates to field of petroleum exploitation, and in particular to a kind of oil field extracted water matches liquid crosslinking agent and its preparation side
Method.
Background technology
Hydraulic fracturing technology is the key technology of low permeability reservoir transformation, and hydraulic fracturing needs to consume a large amount of fresh water, to locality
Water resource impacts, and in water resources shortage area, this influence is particularly acute.Environmental Protection in China requires to significantly improve at present,
Oil field is goed deep into exploitation, and composite water cut is gradually increasing, and a large amount of recovered water harmless treatment cost is efficient
Rate is low, significant for the Green Development and cost efficiency in oil field if recovered water preparing fracturing fluid can be used.
Oil field extracted water generally has the feature of " high bacterial content, high salinity, high mechanical admixture ", complicated component.Needle
There is the side-chain structure of hydrophobic grouping to the thickening agent of oil field extracted water preparing fracturing fluid synthesis, only in specific surfactant
Under the action of, there is the response of specific viscosity.Conventional surface-active is cross-linked to form spatial networks knot in promotion hydrophobic association polymer
There is certain limitation in terms of structure, and under recovered water specific with high salt, oil-containing, the water environment containing bacterium, part surface activating agent loses
Deactivation.Different types of surfactant is with the increase of dosage, and increasing trend is presented in solution apparent viscosity, but when surface is lived
Property agent dosage is excessive, and viscosity will be caused to reduce.The reason is that the surfactant of low concentration forms micella, hydrophobic side chain is in micella
Middle winding forms intensive supramolecular structure, forms space net structure, apparent viscosity is caused to increase, with the increase of dosage, table
The micella number that face activating agent is formed increases, and hydrophobic units number is reduced in average each micella, and space net structure is broken
It is bad so that solution is macroscopically showing as viscosity reduction.
Invention content
The problems of for the above-mentioned prior art, the invention discloses one kind to have salt tolerant, oil resistant, resistance to certain suspension
Object, the oil field extracted water adaptable to stratum are with liquid crosslinking agent and preparation method thereof.
The technical solution adopted in the present invention is as follows：
A kind of oil field extracted water matches liquid crosslinking agent, consists of the following components in percentage by weight：Sorbierite 8%~
15%, cation polystyrene sulfonate 12%~25%, solvent 10~20%, initiator 3~5%, catalyst 3%~5%,
Remaining is water.
The amount ratio of the sorbierite and the substance of cation polystyrene sulfonate is 1：(1.5-3.5).
The cation polystyrene sulfonate is light amber liquid, and molecular weight is 10-20 ten thousand.
The cation polystyrene sulfonate is polystyrolsulfon acid, kayexalate, polystyrolsulfon acid
One kind in potassium.
The solvent is methanol, one kind in ethylene glycol, ether, glycerine.
The initiator is ammonium persulfate, one kind in sodium peroxydisulfate, perbromic acid sodium.
The catalyst agent is sodium hydroxide, one kind in potassium hydroxide, sodium bicarbonate.
A kind of preparation method of the oil field extracted water with liquid crosslinking agent is the concrete operation step of the preparation method
It is as follows：The sorbierite of formula ratio and cation polystyrene sulfonate are added in reactor, while add in the solvent of formula ratio
And initiator, and the catalyst of formula ratio is added in, under conditions of water evacuation, stirring is warming up to 180-190 DEG C, and reaction 3-6 is small
When, it is with oil field extracted water preparing fracturing fluid crosslinking agent that colourless transparent liquid, which is made,.
The beneficial effects of the invention are as follows：
1. polystyrolsulfon acid cationic in oil field extracted water preparing fracturing fluid crosslinkers monomers of the present invention
Electrostatic repulsion and suction phase of the salt with the charged ion group (including ether, methylene, sulfonic group, vinyl etc.) in sorbierite
Mutually competition can promote hydrophobic groups associate with cooperateing with, and macromolecular chain is made to generate intramolecular or intermolecular association,
Form the higher supramolecular network structure of concentration class, compared to frozen glue class fracturing fluid system its to take grittiness good, disclosure satisfy that reality
Height in the application process of border takes sand requirement；
2. the present invention's is used for oil field extracted water preparing fracturing fluid crosslinking agent due to attraction of the sulfonic acid group to cation
With stronger salt resistant character, while polar group can adsorb certain crude oil and take into account appropriate oil resistant characteristic, can be applicable in
In various oil field recovered water preparing fracturing fluid；
3. the present invention's is good for oil field extracted water preparing fracturing fluid crosslinking agent and fracturing fluid compatibility, in pressure break
The crosslinking agent that volumetric concentration is 0.3% is added in base fluid to generate without precipitation；
4. the raw material that the present invention uses is easy to get, and crosslinking agent preparation process is simple.
Specific embodiment
The present invention is explained in detail below by specific embodiment：
Embodiment 1
The invention discloses a kind of oil field extracted water with liquid crosslinking agent and preparation method thereof, the crosslinking agent is by following heavy
Measure the component composition of percentage：Sorbierite 8%~15%, cation polystyrene sulfonate 12%~25%, solvent 10~
20%, initiator 3~5%, catalyst 3%~5%, remaining is water.
The concrete operation step of the preparation method of the crosslinking agent is as follows：By the sorbierite and cation polystyrene of formula ratio
Sulfonate is added in reactor, while adds in the solvent and initiator of formula ratio, and add in the catalyst of formula ratio, water evacuation
Under conditions of, stirring is warming up to 180-190 DEG C, reacts 3-6 hours, and obtained colourless transparent liquid is that oil field extracted water is used with liquid
Crosslinking agent.
The made crosslinking agent of the present invention has stronger salt resistant character, while take into account certain oil resistant characteristic, resistance to suspended matter characteristic,
It can be suitable for various oil field recovered water preparing fracturing fluid.
Embodiment 2
On the basis of embodiment 1, reacted using sorbierite with cation polystyrene sulfonic acid or poly styrene sulfonate,
The amount ratio of the two substance is 1：(1.5~3.5), while the solvent of 10-20% and the initiator of 3-5% are added in, addition 3%~
5% catalyst, under conditions of water evacuation, stirring is warming up to 180-190 DEG C, reacts 3-6 hour, obtained colourless transparent liquid
As oil field extracted water matches liquid crosslinking agent.
The cation polystyrene sulfonate is light amber liquid, and molecular weight is 10-20 ten thousand；The cation
Poly styrene sulfonate is polystyrolsulfon acid, one kind in kayexalate, polystyrolsulfon acid potassium.
The solvent is methanol, one kind in ethylene glycol, ether, glycerine.
The initiator is ammonium persulfate, one kind in sodium peroxydisulfate, perbromic acid sodium.
The catalyst agent is sodium hydroxide, one kind in potassium hydroxide, sodium bicarbonate.
Poly styrene sulfonate cationic in oil field extracted water preparing fracturing fluid crosslinkers monomers of the present invention
It is mutual with attracting with the electrostatic repulsion of the charged ion group (including ether, methylene, sulfonic group, vinyl etc.) in sorbierite
Competition can promote hydrophobic groups associate with cooperateing with, and macromolecular chain is made to generate intramolecular or intermolecular association, shape
Into the higher supramolecular network structure of concentration class, compared to frozen glue class fracturing fluid system its to take grittiness good, disclosure satisfy that reality
Height in application process takes sand requirement；And the raw material that the present invention uses is easy to get, crosslinking agent preparation process is simple.
It is consistent with conventional pressure break liquid making method with the process of the made crosslinking agent preparing fracturing fluid of the present invention, it is only conventional to match
Method processed uses clear water, and the present invention is using the oil field extracted water containing oil suspensions, crude oil, mechanical admixture etc., the crosslinking
Agent and fracturing fluid compatibility are good, and the crosslinking that volumetric concentration is 0.3% is added in fracturing base fluid and is generated without precipitation.
Embodiment 3
On the basis of above-described embodiment, the three-necked flask equipped with magnetic agitation, thermometer is placed in magnetic stirring apparatus control
On warm electric jacket, 8% sorbierite and 12% polystyrolsulfon acid (sorbierite and polystyrene sulphur are added in into three-necked flask
The amount ratio of the substance of acid is 1：1.5), at the same add in 10% methanol and 3% sodium peroxydisulfate, add in 3% sodium hydroxide, 64%
Water, under conditions of water evacuation stirring be warming up to 180 DEG C, persistently stir 6 hours, it is that oil field is adopted to obtain colourless transparent liquid
Water outlet is with liquid crosslinking agent.
Embodiment 4
Three-necked flask equipped with magnetic agitation, thermometer is placed in magnetic stirring apparatus control-temperature electric heating to put on, to three-necked flask
The middle sorbierite for adding in 11.5% and the 18.5% kayexalate (amount of the substance of sorbierite and kayexalate
Than being 1：2.5), at the same add in 15% ethylene glycol and 4% ammonium persulfate, add in 4% potassium hydroxide, 47% water；Water
Stirring is warming up to 183 DEG C under conditions of vacuumizing, and persistently stirs 5 hours, and it is for oil field produced to obtain colourless transparent liquid
Water preparing fracturing fluid crosslinking agent.
Embodiment 5
Three-necked flask equipped with magnetic agitation, thermometer is placed in magnetic stirring apparatus control-temperature electric heating to put on, to three-necked flask
(molar ratio of sorbierite and kayexalate is 1 for the middle sorbierite for adding in 9% and 23% kayexalate：3),
15% ether and 5% perbromic acid sodium is added in simultaneously, adds in 4% sodium hydroxide, 44% water；Under conditions of water evacuation
Stirring is warming up to 188 DEG C, persistently stirs 3 hours, and it is to be used for oil field extracted water preparing fracturing fluid to obtain colourless transparent liquid
Crosslinking agent.
Embodiment 6
Three-necked flask equipped with magnetic agitation, thermometer is placed in magnetic stirring apparatus control-temperature electric heating to put on, to three-necked flask
(the amount ratio of the substance of sorbierite and kayexalate is for the middle sorbierite for adding in 12% and 21% kayexalate
1：1.75), at the same add in 12% ethylene glycol and 3% ammonium persulfate, add in 4% potassium hydroxide, 48% water；Water is taken out true
Stirring is warming up to 183 DEG C under conditions of sky, persistently stirs 5 hours, and it is to match for oil field extracted water to obtain colourless transparent liquid
Fracturing fluid crosslinking agent processed.
Embodiment 7
Three-necked flask equipped with magnetic agitation, thermometer is placed in magnetic stirring apparatus control-temperature electric heating to put on, to three-necked flask
(molar ratio of sorbierite and polystyrolsulfon acid potassium is 1 for 15% sorbierite of middle addition and 25% polystyrolsulfon acid potassium：3.5),
20% glycerine and 5% sodium peroxydisulfate is added in simultaneously, adds in 5% sodium bicarbonate, 30% water；Under conditions of water evacuation
Stirring is warming up to 190 DEG C, persistently stirs 4 hours, and it is to be used for oil field extracted water preparing fracturing fluid to obtain colourless transparent liquid
Crosslinking agent.
Embodiment 8
There is the side-chain structure of hydrophobic grouping for the thickening agent of oil field extracted water preparing fracturing fluid synthesis, only specific
Under the action of surfactant, there is the response of specific viscosity.Conventional surface-active is cross-linked to form in promotion hydrophobic association polymer
There is certain limitation in terms of space net structure, and under recovered water specific with high salt, oil-containing, the water environment containing bacterium, part table
Face activating agent loses activity.A large amount of screenings of crosslinking agent have been carried out in laboratory, there is thickening capabilities product to carry out concentration really
Determine the surfactant thickened performance of variety classes and see the table below 1：
Table 1 is preferred for crosslinking agent of the recovered water with liquid thickening agent
Viscosity change under the different crosslinker concentrations of table 2
For different types of surfactant with the increase of dosage, increasing trend is presented in solution apparent viscosity, but works as surface
Activating agent dosage is excessive, and viscosity will be caused to reduce (as shown in table 2), the reason is that the surfactant of low concentration forms micella,
Hydrophobic side chain is wound in micella, forms intensive supramolecular structure, forms space net structure, apparent viscosity is caused to increase, with
The increase of dosage, the micella number that surfactant is formed increases, and hydrophobic units number is reduced in average each micella, empty
Between reticular structure be corrupted such that solution macroscopically showing as viscosity reduction.In several types surfactant, the present invention hands over
Join agent best performance, there is the wider concentration scope of application, meet the condition of site operation.
Claims (8)
1. a kind of oil field extracted water matches liquid crosslinking agent, it is characterised in that：The crosslinking agent is by following components in percentage by weight
Composition：Sorbierite 8%~15%, cation polystyrene sulfonate 12%~25%, solvent 10~20%, initiator 3~
5%, catalyst 3%~5%, remaining is water.
2. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The sorbierite with
The amount ratio of the substance of cation polystyrene sulfonate is 1：(1.5-3.5).
3. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The cation gathers
Styrene sulfonate is light amber liquid, and molecular weight is 10-20 ten thousand.
4. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The cation gathers
Styrene sulfonate is polystyrolsulfon acid, one kind in kayexalate, polystyrolsulfon acid potassium.
5. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The solvent is first
One kind in alcohol, ethylene glycol, ether, glycerine.
6. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The initiator is
One kind in ammonium persulfate, sodium peroxydisulfate, perbromic acid sodium.
7. a kind of oil field extracted water according to claim 1 matches liquid crosslinking agent, it is characterised in that：The catalyst agent
For one kind in sodium hydroxide, potassium hydroxide, sodium bicarbonate.
8. match the preparation method of liquid crosslinking agent, feature according to a kind of oil field extracted water of claim 1-7 any one of them
It is, the concrete operation step of this method is as follows：The sorbierite of formula ratio is reacted with the addition of cation polystyrene sulfonate
In device, while the solvent and initiator of formula ratio are added in, and add in the catalyst of formula ratio, under conditions of water evacuation, stirring
180-190 DEG C is warming up to, is reacted 3-6 hours, obtained colourless transparent liquid is that oil field extracted water matches liquid crosslinking agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441656.7A CN108148568A (en) | 2017-12-27 | 2017-12-27 | Crosslinking agent for oil field produced water liquid preparation and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711441656.7A CN108148568A (en) | 2017-12-27 | 2017-12-27 | Crosslinking agent for oil field produced water liquid preparation and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729345A (en) * | 2002-12-19 | 2006-02-01 | 施蓝姆伯格技术公司 | Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| CN101842552A (en) * | 2007-10-31 | 2010-09-22 | 罗迪亚公司 | Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| CN104893704A (en) * | 2014-03-04 | 2015-09-09 | 天津昌鑫油田服务有限公司 | Water soluble hydrophobic associating polymer fracturing fluid system and preparation method thereof |
| WO2017133851A1 (en) * | 2016-02-05 | 2017-08-10 | Schlumberger Technology Corporation | Well cementing compositions and methods |
-
2017
- 2017-12-27 CN CN201711441656.7A patent/CN108148568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729345A (en) * | 2002-12-19 | 2006-02-01 | 施蓝姆伯格技术公司 | Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| CN101842552A (en) * | 2007-10-31 | 2010-09-22 | 罗迪亚公司 | Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| CN104893704A (en) * | 2014-03-04 | 2015-09-09 | 天津昌鑫油田服务有限公司 | Water soluble hydrophobic associating polymer fracturing fluid system and preparation method thereof |
| WO2017133851A1 (en) * | 2016-02-05 | 2017-08-10 | Schlumberger Technology Corporation | Well cementing compositions and methods |
Non-Patent Citations (2)
| Title |
|---|
| 张卫海等: "《石油地质勘探概论》", 30 September 2006, 中国石油大学出版社 * |
| 胡之力等: "《油田化学剂及应用》", 31 December 1998, 吉林人民出版社 * |
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