CN104479071A - Water-based fracturing fluid thickening agent and preparation method thereof - Google Patents
Water-based fracturing fluid thickening agent and preparation method thereof Download PDFInfo
- Publication number
- CN104479071A CN104479071A CN201410667477.5A CN201410667477A CN104479071A CN 104479071 A CN104479071 A CN 104479071A CN 201410667477 A CN201410667477 A CN 201410667477A CN 104479071 A CN104479071 A CN 104479071A
- Authority
- CN
- China
- Prior art keywords
- fracturing fluid
- water
- thickening agent
- quality
- sodium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention relates to a water-based fracturing fluid thickening agent and a preparation method thereof. The water-based fracturing fluid thickening agent is a water soluble polymer generated by virtue of copolymerization of the following components in percentage by mass: 49%-57% of acrylamide, 35%-39% of sodium 2-acrylamide-2-methyl-1-proparesulfonate and 8%-12% of 4-acryloyl morpholine. The preparation method comprises the following steps: firstly, adding acrylamide, sodium 2-acrylamide-2-methyl-1-proparesulfonate and 4-acryloyl morpholine into deionized water, wherein the total mass concentration of the three substances is controlled at 23%-35%; secondly, regulating the pH of the solution to 6-12 by virtue of alkali or acid; finally, adding a polymerization initiator and a chain transfer agent to initiate a polymerization reaction, and maintaining for 1-2 hours after the temperature of a polymerization system is maximized, so as to prepare the water soluble polymer.
Description
Technical field
The invention belongs to thickening material technical field, particularly water base fracturing fluid thickening agent.
Background technology
What water base fracturing fluid thickening agent mainly adopted at present both at home and abroad has three classes such as natural plant and derivative, cellulose and its derivates, synthetic polymer, and what be most widely used at present is guanidine glue and derivative thereof.In order to meet the needs of the frac job such as high temperature, Low Damage, people constantly develop the polymer viscosifier for aqueous fracturing fluid.
The fracturing liquid of domestic and international use is mainly divided into aqueous fracturing fluid, oil base fracturing fluid, alcohol-base fracturing fluid and foamed fracturing fluid etc., because aqueous fracturing fluid has the advantages such as cost is low, performance is good, is at home and abroad widely used.Thickening material is the main additive of aqueous fracturing fluid, and at present, domestic and international water base fracturing fluid thickening agent kind used is a lot, mainly contains natural plant and derivative, derivatived cellulose, synthetic polymer etc.Vegetable jelly and derivative thereof, owing to having thickening capabilities and by force, be easily cross-linked to form frozen glue and steady performance and become in domestic and international frac job and use maximum thickening material kinds, account for 90% of various thickening material usage quantity.Wherein guanidine glue uses the most general abroad, guanidine glue the earliest by the U.S. in the Application and Development sixties in 20th century.And domestic, except guanidine glue, also have sesbania gum and fenugreek gum.Guanidine glue thickening capabilities is the strongest in various vegetable jelly, but water insoluble matter content is high, and easily can not be preserved for a long time by biological decomposition.Water-insoluble is higher, fracturing liquid rubber-breaking residue content can be made large, damage supporting crack flow conductivity and reservoir.
Chinese invention patent 200810051669.8 discloses a kind of temperature resistant water base fracturing fluid thickening agent, it adopts a kind of water-soluble polymers of acrylamide, AMPS sodium and 4-vinyl pyrrolidone copolymerization, this water base fracturing fluid thickening agent is without water-insoluble residue, and massfraction is that the thickening material of 0.5% is at 170S
-1, at 95 DEG C, continuous shear stress 30min, viscosity conservation rate is more than 65%.But the resistant to elevated temperatures ability of the thickening material of this invention need further raising.
Chinese patent 91111287.1 discloses and is entitled as " fracturing fluid thickener ", and this invention relates to a kind of fracturing fluid thickener, is applicable to the fracturing reform operation of low osmoticing oil-gas layer.Adopt herbaceous plant sky bean powder, through ethanol, caustic soda, propylene oxide and water, chemical modification is carried out to it and form.It is starkly lower than the vegetable jelly sesbania thickening material of current fracturing liquid containing level of residue, and therefore, formation injury is little, can obtain effect of increasing production.But this fracturing fluid thickener is compared with synthetic polymer thickening material high containing level of residue, and resistance to temp effect is bad.
Chinese patent 200610040703.2 discloses and is entitled as " a kind of fire-resistant non-injury fracturing fluid thickening agent and its production and use ", this feature of the present invention adopts lipid acid and low-molecular-weight polyoxyethylene glycol or poly(propylene oxide) esterification, or under catalysis, make oxyethane or/and propylene oxide and long chain aliphatic alcohol, lipid acid or aliphatic amide addition, long chain hydrophobic group is connected with hydrotropy segment; Again the terminal hydroxyl of hydrotropy segment is converted into halogen atom, reacts with excess tertiary amine, or the terminal hydroxyl of hydrotropy segment and sulfonated reagent are reacted; By weight 1 ~ 3 part of this thickening material and 0.05 ~ 0.4 part of high-temperature stabiliser are added in the base fluid be made into by 2 ~ 3 parts of halogens and 100 parts of water, the fire-resistant non-injury pressure break of oil-gas field volume increase must be can be used for, but the thickening effectiveness of this thickening material is undesirable.
Summary of the invention
Main purpose of the present invention is to provide a kind of water base fracturing fluid thickening agent, and still have good Efficient Adhesive Promotion under making its condition more than 110 DEG C, performance can meet the needs of frac job.
The invention provides a kind of water base fracturing fluid thickening agent, the water-soluble polymers generated by the 4-acryloyl morpholine copolymerization of the acrylamide of 49 ~ 57 quality %, the AMPS sodium of 35 ~ 39 quality % and 8 ~ 12 quality %.
Wherein, the viscosity-average molecular weight of described water-soluble polymers is preferably 4500000 ~ 22000000; The viscosity-average molecular weight of described water-soluble polymers is more preferably 5500000 ~ 8500000; The viscosity-average molecular weight of described water-soluble polymers is preferably 6000000 ~ 7000000 again.
Present invention also offers a kind of preparation method of water base fracturing fluid thickening agent, it is the preparation method of above-mentioned water base fracturing fluid thickening agent, comprising following steps:
First, the AMPS sodium of the acrylamide of 49 ~ 57 quality %, 35 ~ 39 quality % and the 4-acryloyl morpholine of 8 ~ 12 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 23 ~ 35 quality %;
Then, with alkali or acid, the pH of solution is adjusted to 6 ~ 12;
Finally, add polymerization starter and chain-transfer agent initiated polymerization, keep 1 ~ 2 hour after polymerization system temperature peaks, obtained water-soluble polymers.
As a preferred version of the preparation method of water base fracturing fluid thickening agent of the present invention, also need to carry out drying and milled processed to described water-soluble polymers further, to obtain required thickener products.
Wherein, described alkali is preferably sodium hydroxide, and acid is hydrochloric acid.
Described initiator is preferably ammonium persulphate and sodium bisulfite.
The usage quantity of described ammonium persulphate is preferably every gram of reaction solution and adds 2 ~ 20 micrograms, and the usage quantity of sodium bisulfite is preferably every gram of reaction solution and adds 2 ~ 20 micrograms.
Described chain-transfer agent is preferably sodium hypophosphite, sodium formiate or sodium sulfocynanate.
The usage quantity of described chain-transfer agent is preferably every gram of reaction solution and adds 1 ~ 5 microgram, can be controlled the viscosity-average molecular weight of polymkeric substance by adjustment initiator and the add-on connecting transfer agent.
Thickener products of the present invention can be used as the thickening material of the aqueous fracturing fluid of waterfrac treatment.
Compared with prior art, the present invention has following beneficial effect: because the long chain alkyl group of AMPS sodium that the polymer molecular chain as water base fracturing fluid thickening agent of the present invention has and the cyclic group of sulfonic acid group and 4-acryloyl morpholine have resistance to gentle shear-stable effect, therefore, this water base fracturing fluid thickening agent is not only without water-insoluble residue, and massfraction is that the thickening material of 0.35% is at 170S
-1, at 130 DEG C, continuous shear stress 30min, viscosity conservation rate is more than 76%.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention; give detailed embodiment and process; but protection scope of the present invention is not limited to following embodiment; the experimental technique of unreceipted actual conditions in the following example, usually conveniently condition.
Raw material dosage:
In the present invention, raw material dosage is not particularly limited, normally the AMPS sodium of the acrylamide of 49 ~ 57 quality %, 35 ~ 39 quality % and the 4-acryloyl morpholine of 8 ~ 12 quality % are joined in deionized water, make the total mass concentration of these three kinds of materials at 23 ~ 35 quality %.
If the consumption of acrylamide is lower than 49 quality %, then product is not easily cross-linked, and higher than 57 quality %, then product is cross-linked too fast, affects the use of product in frac job; The consumption of AMPS sodium is lower than 35 quality %, then the heat resistance of product and resistant to shearing performance can reduce, and higher than 39 quality %, the waste of raw material can be caused, product is impure, is distributed with impact to molecular weight of product, there is no other beneficial effects; The consumption of 4-acryloyl morpholine is lower than 8 quality %, then the salt tolerant of product and resistant to shearing performance can reduce, higher than 12 quality %, not only can cause the waste of raw material, product is impure, is distributed with impact to molecular weight of product, and the resistant to shearing performance of product can decline, and there is no other beneficial effects; The total mass concentration of above-mentioned three kinds of materials is at 23 ~ 35 quality %, if the total mass concentration of above-mentioned three kinds of materials is lower than 23 quality %, the colloid viscosity then formed after polymerization is large, be unfavorable for follow-up cutting and drying treatment, and the total mass concentration of above-mentioned three kinds of materials is higher than 35 quality %, then polymeric reaction temperature increases too fast, can strengthen the difficulty of molecular weight control.
The pH adjustment of solution:
In the present invention, the pH adjustment of solution is not particularly limited, normally with alkali or acid, the pH of solution is adjusted to 6 ~ 12, if the pH of solution is less than 6, then causes system acidity excessively strong, affect polyreaction too fast, be unfavorable for controlling the molecular weight of product, and system pH is greater than 12, then reaction causes difficulty increase, and polyreaction may be caused to carry out.
Polymerization time:
In the present invention, polymerization time is not particularly limited, normally add polymerization starter and chain-transfer agent initiated polymerization, keep 1 ~ 2 hour after polymerization system temperature peaks, obtained water-soluble polymers, if be less than 1h, cause polymerization time not enough, the participation amount participating in the raw material of reaction can increase, and the transformation efficiency of raw material can reduce, and polymerization time is greater than 2 hours, then polymerization time is long, causes time waste unnecessary, and the rate of utilization of production unit is reduced, thus reduce the production efficiency of device, the energy consumption of increase and decrease device.
In the present invention, drying and milled processed can also be carried out, to obtain required thickener products to obtained water-soluble polymers further.
The soda acid of adjustment pH:
In the present invention, be not particularly limited adjustment pH material used, the acid of usually selecting is hydrochloric acid, and alkali is sodium hydroxide; The benefit of hydrochloric acid is selected to be cheap and easy to get, and any negative affect can not be produced to polyreaction, it is also cheap and easy to get for selecting alkali to be the benefit of sodium hydroxide, and any negative affect can not be produced to polyreaction, if select other soda acid, particularly organic acid or alkali, then occur producing chain transfer reaction or crosslinking reaction with polyreaction, has a negative impact to the molecular weight of product or solubility property.
Initiator:
In the present invention, initiator is not particularly limited, usually the initiator selected is ammonium persulphate and sodium bisulfite, initiator is selected to be ammonium persulphate and sodium bisulfite, because adopt water can dissolve it, do not need to adopt other organic solvents, can be consistent with the dissolution solvent of polymer raw, can not on the long-living unnecessary impact of polyreaction, be of value to the configuration of initiator, select other initiators, then may cause and not easily configure or need to adopt other organic solvents, polyreaction is had a negative impact.
Ammonium persulphate and sodium bisulfite consumption:
In the present invention, be not particularly limited initiator ammonium persulfate and sodium bisulfite consumption, the usage quantity of usual ammonium persulphate is that every gram of reaction solution adds 2 ~ 20 micrograms, and the usage quantity of sodium bisulfite is that every gram of reaction solution adds 2 ~ 20 micrograms; If the usage quantity every gram reaction solution of ammonium persulphate is less than 2 micrograms, due to usage quantity very little, cause the molecular weight of product too high excessively slow with polyreaction, if the usage quantity every gram reaction solution of ammonium persulphate is greater than 20 micrograms, the molecular weight of product can be caused too low too fast with polyreaction, there is no other beneficial effects; The usage quantity every gram reaction solution of sodium bisulfite is less than 2 micrograms, due to usage quantity very little, cause the molecular weight of product too high excessively slow with polyreaction, and the usage quantity every gram reaction solution of sodium bisulfite is greater than 20 micrograms, the waste of sodium bisulfite can be caused, the molecular weight of product can be caused too low too fast with polyreaction, there is no other beneficial effects.
Chain-transfer agent:
In the present invention, chain-transfer agent is not particularly limited, be generally sodium hypophosphite, sodium formiate or sodium sulfocynanate, selection sodium hypophosphite, sodium formiate or sodium sulfocynanate are the benefit of chain-transfer agent is chain tra nsfer moderate performance, can with adopted ammonium persulphate and sodium bisulfite, product can be made to have good molecular weight distribution, if select other materials, the molecular weight distribution of product then can be caused wide or narrow, the overall performance of product is affected.
Chain-transfer agent consumption:
In the present invention, be not particularly limited chain-transfer agent consumption, the usage quantity of usual chain-transfer agent is that every gram of reaction solution adds 1 ~ 5 microgram, if the usage quantity every gram reaction solution of chain-transfer agent is less than 1 microgram, then the molecular weight distribution of product is narrow; And the usage quantity every gram reaction solution of chain-transfer agent is greater than 5 micrograms, then there is chain-transfer agent excessive, the molecular weight distribution of product is wide, there is no other benefits.
Embodiment 1
First, the AMPS sodium of the acrylamide of 49 quality %, 35 quality % and the 4-acryloyl morpholine of 8 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 35 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 6;
Finally, add polymerization starter ammonium persulphate 2 μ g/g and sodium bisulfite 15 μ g/g, chain-transfer agent sodium sulfocynanate 1 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 1 hour after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 4500000, and massfraction is that the thickening material of 0.35% is at 170S
-1, at 130 DEG C, continuous shear stress 30min, viscosity conservation rate is 76%.
Embodiment 2
First, the AMPS sodium of the acrylamide of 57 quality %, 38 quality % and the 4-acryloyl morpholine of 10 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 23 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 8;
Finally, add polymerization starter ammonium persulphate 15 μ g/g and sodium bisulfite 2 μ g/g, chain-transfer agent sodium formiate 5 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 1.5 hours after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 22000000, and massfraction is that the thickening material of 0.10% is at 170S
-1, at 140 DEG C, continuous shear stress 30min, viscosity conservation rate is 80%.
Embodiment 3
First, the AMPS sodium of the acrylamide of 53 quality %, 39 quality % and the 4-acryloyl morpholine of 11 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 30 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 12;
Finally, add polymerization starter ammonium persulphate 20 μ g/g and sodium bisulfite 20 μ g/g, chain tra nsfer sodium sulfocynanate 3 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 2 hours after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 5500000, and massfraction is that the thickening material of 0.30% is at 170S
-1, at 135 DEG C, continuous shear stress 30min, viscosity conservation rate is 82%.
Embodiment 4
First, the AMPS sodium of the acrylamide of 50 quality %, 36 quality % and the 4-acryloyl morpholine of 11 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 21 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 10;
Finally, add polymerization starter ammonium persulphate 14 μ g/g and sodium bisulfite 16 μ g/g, chain-transfer agent sodium sulfocynanate 3 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 2 hours after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 8500000, and massfraction is that the thickening material of 0.2% is at 170S
-1, at 145 DEG C, continuous shear stress 30min, viscosity conservation rate is 86%.
Embodiment 5
First, the AMPS sodium of the acrylamide of 53 quality %, 38 quality % and the 4-acryloyl morpholine of 10 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 34 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 7;
Finally, add polymerization starter ammonium persulphate 12 μ g/g and sodium bisulfite 16 μ g/g, chain-transfer agent sodium formiate 4 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 1.5 hours after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 6000000, and massfraction is that the thickening material of 0.30% is at 170S
-1, at 135 DEG C, continuous shear stress 30min, viscosity conservation rate is 79%.
Embodiment 6
First, the AMPS sodium of the acrylamide of 55 quality %, 38 quality % and the 4-acryloyl morpholine of 9 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 32 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 10;
Finally, add polymerization starter ammonium persulphate 14 μ g/g and sodium bisulfite 18 μ g/g, chain-transfer agent sodium hypophosphite 4 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 2 hours after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 7000000, and massfraction is that the thickening material of 0.35% is at 170S
-1, at 145 DEG C, continuous shear stress 30min, viscosity conservation rate is 88%.
Embodiment 7
First, the AMPS sodium of the acrylamide of 48 quality %, 36 quality % and the 4-acryloyl morpholine of 11 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 29 quality %;
Then, with sodium hydroxide or hydrochloric acid, the PH of solution is adjusted to 7;
Finally, add polymerization starter ammonium persulphate 10 μ g/g and sodium bisulfite 14 μ g/g, chain-transfer agent sodium sulfocynanate 5 μ g/g, initiated polymerization, the add-on of initiator and chain-transfer agent is all calculated with the gauge accounting for reaction solution, keep 1 hour after polymerization system temperature peaks, obtained water-soluble polymers.
Carry out drying and milled processed to obtain required thickener products to the polymeric colloid obtained, the viscosity-average molecular weight of polymkeric substance is 6500000, and massfraction is that the thickening material of 0.35% is at 170S
-1, at 135 DEG C, continuous shear stress 30min, viscosity conservation rate is 87%.
Claims (11)
1. a water base fracturing fluid thickening agent, is characterized in that, the water-soluble polymers generated by the 4-acryloyl morpholine copolymerization of the acrylamide of 49 ~ 57 quality %, the AMPS sodium of 35 ~ 39 quality % and 8 ~ 12 quality %.
2. water base fracturing fluid thickening agent as claimed in claim 1, is characterized in that: the viscosity-average molecular weight of described water-soluble polymers is 4500000 ~ 22000000.
3. water base fracturing fluid thickening agent as claimed in claim 2, is characterized in that: the viscosity-average molecular weight of described water-soluble polymers is 5500000 ~ 8500000.
4. water base fracturing fluid thickening agent as claimed in claim 3, is characterized in that: the viscosity-average molecular weight of described water-soluble polymers is 6000000 ~ 7000000.
5. a preparation method for water base fracturing fluid thickening agent, it is the preparation method of water base fracturing fluid thickening agent according to claim 1, comprises the steps:
First, the AMPS sodium of the acrylamide of 49 ~ 57 quality %, 35 ~ 39 quality % and the 4-acryloyl morpholine of 8 ~ 12 quality % are joined in deionized water, makes the total mass concentration of these three kinds of materials at 23 ~ 35 quality %;
Then, with alkali or acid, the pH of solution is adjusted to 6 ~ 12;
Finally, add polymerization starter and chain-transfer agent initiated polymerization, keep 1 ~ 2 hour after polymerization system temperature peaks, obtained water-soluble polymers.
6. the preparation method of water base fracturing fluid thickening agent as claimed in claim 5, is characterized in that: carry out drying and milled processed to described water-soluble polymers further.
7. the preparation method of water base fracturing fluid thickening agent as claimed in claim 5, it is characterized in that: described alkali is sodium hydroxide, acid is hydrochloric acid.
8. the preparation method of water base fracturing fluid thickening agent as claimed in claim 5, is characterized in that: described initiator is ammonium persulphate and sodium bisulfite.
9. the preparation method of water base fracturing fluid thickening agent as claimed in claim 8, it is characterized in that: the usage quantity of described ammonium persulphate is that every gram of reaction solution adds 2 ~ 20 micrograms, the usage quantity of sodium bisulfite is that every gram of reaction solution adds 2 ~ 20 micrograms.
10. the preparation method of water base fracturing fluid thickening agent as claimed in claim 5, is characterized in that: described chain-transfer agent is sodium hypophosphite, sodium formiate or sodium sulfocynanate.
The preparation method of 11. water base fracturing fluid thickening agents as claimed in claim 5, is characterized in that: the usage quantity of described chain-transfer agent is that every gram of reaction solution adds 1 ~ 5 microgram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667477.5A CN104479071A (en) | 2014-11-20 | 2014-11-20 | Water-based fracturing fluid thickening agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667477.5A CN104479071A (en) | 2014-11-20 | 2014-11-20 | Water-based fracturing fluid thickening agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104479071A true CN104479071A (en) | 2015-04-01 |
Family
ID=52753687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410667477.5A Pending CN104479071A (en) | 2014-11-20 | 2014-11-20 | Water-based fracturing fluid thickening agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104479071A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104974302A (en) * | 2015-07-03 | 2015-10-14 | 中国石油天然气股份有限公司 | Water-soluble polymer and preparation method thereof |
| CN105037623A (en) * | 2015-08-27 | 2015-11-11 | 山东聚鑫化工有限公司 | Preparation method of displacement polymer concentrated water solution for large-size oilfields |
| CN106543353A (en) * | 2015-09-23 | 2017-03-29 | 中国石油天然气股份有限公司 | A kind of polymer thickening agent and its preparation method and application |
| CN107828393A (en) * | 2017-11-24 | 2018-03-23 | 成都博世威科技有限公司 | A kind of superhigh temperature retarder and its preparation technology |
| CN107892906A (en) * | 2017-11-24 | 2018-04-10 | 成都博世威科技有限公司 | A kind of antirust cement mortar of thick oil thermal extraction |
| CN107963842A (en) * | 2017-11-24 | 2018-04-27 | 成都博世威科技有限公司 | A kind of geothermal well well cementing mortar architecture and preparation method thereof |
| CN107986689A (en) * | 2017-11-24 | 2018-05-04 | 成都博世威科技有限公司 | A kind of preparation method of superhigh temperature antirust cement mortar |
| CN109232803A (en) * | 2017-07-10 | 2019-01-18 | 中国石油化工股份有限公司 | Acrylamide copolymer and the preparation method and application thereof |
| CN113265056A (en) * | 2021-05-21 | 2021-08-17 | 陕西万朗石油工程技术服务有限公司 | Preparation method of modified acrylamide polymer fracturing fluid |
| CN118047905A (en) * | 2024-04-16 | 2024-05-17 | 中海油天津化工研究设计院有限公司 | Five-membered hydrophobically associating modified acrylamide polymer, preparation method thereof, suspension type thickening agent and fracturing fluid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3644669B2 (en) * | 1999-10-14 | 2005-05-11 | 株式会社資生堂 | Water-soluble thickener and cosmetics containing the same |
| CN101475797A (en) * | 2008-12-25 | 2009-07-08 | 中国科学院长春应用化学研究所 | Temperature resistant water base fracturing fluid thickening agent and preparation thereof |
| CN102382245A (en) * | 2011-08-11 | 2012-03-21 | 中国海洋石油总公司 | High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof |
| CN103113875A (en) * | 2013-02-28 | 2013-05-22 | 中国科学院长春应用化学研究所 | Water-based fracturing fluid thickener and method for preparing same |
| CN103265939A (en) * | 2013-05-23 | 2013-08-28 | 中国石油天然气股份有限公司 | Fracturing fluid thickening agent and preparation and application thereof |
-
2014
- 2014-11-20 CN CN201410667477.5A patent/CN104479071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3644669B2 (en) * | 1999-10-14 | 2005-05-11 | 株式会社資生堂 | Water-soluble thickener and cosmetics containing the same |
| CN101475797A (en) * | 2008-12-25 | 2009-07-08 | 中国科学院长春应用化学研究所 | Temperature resistant water base fracturing fluid thickening agent and preparation thereof |
| CN102382245A (en) * | 2011-08-11 | 2012-03-21 | 中国海洋石油总公司 | High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof |
| CN103113875A (en) * | 2013-02-28 | 2013-05-22 | 中国科学院长春应用化学研究所 | Water-based fracturing fluid thickener and method for preparing same |
| CN103265939A (en) * | 2013-05-23 | 2013-08-28 | 中国石油天然气股份有限公司 | Fracturing fluid thickening agent and preparation and application thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104974302A (en) * | 2015-07-03 | 2015-10-14 | 中国石油天然气股份有限公司 | Water-soluble polymer and preparation method thereof |
| CN105037623A (en) * | 2015-08-27 | 2015-11-11 | 山东聚鑫化工有限公司 | Preparation method of displacement polymer concentrated water solution for large-size oilfields |
| CN106543353A (en) * | 2015-09-23 | 2017-03-29 | 中国石油天然气股份有限公司 | A kind of polymer thickening agent and its preparation method and application |
| CN109232803A (en) * | 2017-07-10 | 2019-01-18 | 中国石油化工股份有限公司 | Acrylamide copolymer and the preparation method and application thereof |
| CN109232803B (en) * | 2017-07-10 | 2020-12-18 | 中国石油化工股份有限公司 | Acrylamide copolymer and preparation method and application thereof |
| CN107828393A (en) * | 2017-11-24 | 2018-03-23 | 成都博世威科技有限公司 | A kind of superhigh temperature retarder and its preparation technology |
| CN107892906A (en) * | 2017-11-24 | 2018-04-10 | 成都博世威科技有限公司 | A kind of antirust cement mortar of thick oil thermal extraction |
| CN107963842A (en) * | 2017-11-24 | 2018-04-27 | 成都博世威科技有限公司 | A kind of geothermal well well cementing mortar architecture and preparation method thereof |
| CN107986689A (en) * | 2017-11-24 | 2018-05-04 | 成都博世威科技有限公司 | A kind of preparation method of superhigh temperature antirust cement mortar |
| CN107892906B (en) * | 2017-11-24 | 2021-04-23 | 四川盛年同缔实业有限公司 | Anti-recession cement slurry for thick oil thermal recovery well |
| CN113265056A (en) * | 2021-05-21 | 2021-08-17 | 陕西万朗石油工程技术服务有限公司 | Preparation method of modified acrylamide polymer fracturing fluid |
| CN118047905A (en) * | 2024-04-16 | 2024-05-17 | 中海油天津化工研究设计院有限公司 | Five-membered hydrophobically associating modified acrylamide polymer, preparation method thereof, suspension type thickening agent and fracturing fluid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104479071A (en) | Water-based fracturing fluid thickening agent and preparation method thereof | |
| CN101475797B (en) | Temperature resistant water base fracturing fluid thickening agent and preparation thereof | |
| CN103113875B (en) | Water-based fracturing fluid thickener and method for preparing same | |
| CN100363394C (en) | Water soluble amphoteric ion copolymer and preparation process thereof | |
| CN103059828A (en) | Thickening agent used for water base fracturing fluid and synthetic method thereof | |
| CN102660250B (en) | Cation hydrophobic associating polymer oil displacement agent and preparation method thereof | |
| CN103509154B (en) | Preparation method of zwitterionic polyacrylamide | |
| CN109971451B (en) | Graphene oxide nano cross-linking agent for fracturing fluid and preparation method thereof | |
| CN101993688A (en) | Low damage fracturing fluid system | |
| CN105062455B (en) | A kind of water-based fracturing fluid gelatinizer and its synthetic method | |
| CN102352232A (en) | Temperature-resistant and salt-resistant polymer clean fracturing fluid thickening agent and preparation method thereof | |
| CN104448121B (en) | A kind of polyacrylamide and preparation method thereof | |
| CN107974246B (en) | High-temperature-resistant cross-linked acid system, preparation method and application | |
| CN102260489A (en) | Branch-shaped comb polymer thickener, preparation method thereof and application thereof | |
| CN111117592A (en) | Method for preparing cross-linking acid | |
| CN103160269A (en) | Water base guanidine gum fracturing fluid and preparation method thereof | |
| CN102492414A (en) | Synthesis of thickening agent for methanol-based fracturing fluid | |
| CN105461855A (en) | Hydrophobic associated polymer and preparing method thereof | |
| CN106317308B (en) | A kind of acrylamide copolymer and its preparation method and application | |
| CN104448122B (en) | A kind of acrylamide copolymer and its preparation method and application | |
| CN104140790A (en) | Water-soluble polymer tackifier for oilfield and preparation method thereof | |
| CN104311735A (en) | Alkali-resisting polymer for displacement of reservoir oil of oil field and preparation method thereof | |
| CN101864031A (en) | Method for preparing temperature control variable viscosity acid gelating agent by aqueous solution polymerization | |
| CN104388075A (en) | Gelatinizing agent for acidification of high temperature carbonatite and preparing method of gelatinizing agent | |
| CN104649940B (en) | A kind of acrylamide monomers and its preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |
|
| WD01 | Invention patent application deemed withdrawn after publication |