CN105802602A - High-stability oil-based polymer powder suspension and preparation method thereof - Google Patents
High-stability oil-based polymer powder suspension and preparation method thereof Download PDFInfo
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- 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
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Abstract
The invention provides a high-stability oil-based polymer powder suspension. The high-stability oil-based polymer powder suspension is prepared from a weighting agent, a stabilizer, a surfactant, a cosolvent, polymer powder and base oil, wherein the weighting agent is a high-density organic solvent; the stabilizer is one of fumed silica and gas-phase aluminum oxide; the surfactant is one or two of naphthenic soap, Span 80, Tween 80, oleic acid, octylphenol polyoxyethylene ether and glyceryl triabietate; the cosolvent is one of methanol, urea and ethylene glycol monobutyl ether; the polymer powder is a water-soluble polymer; the base oil is an organic solvent. The defect that the stability of conventional polymer powder suspension is poor is overcome, and the high-stability oil-based polymer powder suspension can keep stable at the room temperature within 180 days and also has the advantages of high solid phase content and low viscosity.
Description
Technical field
The present invention relates to oil-gas reservoir yield-increasing technology field, be specifically related to a kind of high stability polymer powder oil-based suspension, the preparation method that the invention still further relates to this suspension, it is a kind of thickening agent suspension that can be applicable to the continuous compounding process of fracturing.
Background technology
Homodisperse suspension obtains typically by the method for polymerization, and polymerization includes emulsion polymerization, suspension polymerisation, dispersin polymerization etc..But for some natural polymer powder or the powder product of some synthetic, how being disperseed in the liquid phase by its even suspension, this problem has important practical significance.In fracturing, dosing process is formed flake in order to improve the dissolution velocity of thickening agent, avoid, carries out continuous mixture, it is often desirable that water-soluble thickening agent can be evenly spread in organic solvent.But the stability of existing system is still difficult to meet actual requirement.Zou Peng et al. have studied a kind of liquid guanidine glue non-aqueous suspension, and this suspension uses ethanol as the dispersion phase at guanidine rubber powder end.In this system, guanidine rubber powder end suspensibility in two days can be maintained at more than 98%.Jiang Linlin have studied a kind of oleyl alcohol system concentration fracturing fluid system, and this system uses homemade polyacrylate as emulsifying agent, prepares the diesel oil suspension at guanidine rubber powder end, and this suspension is only good at 4 days internal stabilities.Patent CN103224778A and CN103911136A openly describes a kind of thickening agent being dispersed in oil phase respectively, and this thickening agent stability of patent Introduction is general, and stirring equally exists a degree of lamination after standing.Therefore, stability problem is the key issue faced by current polymer powder oil-based suspension needs.But due to the density variation between liquid phase and pressed powder, under gravity pressed powder be generally difficult to dispersed in the liquid phase and remain constant.
Summary of the invention
The first object of the present invention is in that to overcome the weak point of above-mentioned existing background technology, a kind of high stability polymer powder oil-based suspension is provided, solve the deficiency that traditional polymer powder suspension stability is too low, this high stability polymer powder oil-based suspension can remain stable at ambient temperature in 180 days, also has solid concentration height, an advantage that viscosity is low simultaneously.
The second object of the present invention is in that to provide a kind of method preparing above-mentioned high stability polymer powder oil-based suspension.
Realizing the technical scheme that an object of the present disclosure adopts is:
A kind of high stability polymer powder oil-based suspension, described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, and each component and the mass percent shared by each component be: heavy weight additive 1～50%；Stabilizer 0.1～5%；Surfactant 0.01～2%；Cosolvent 0.1～5%；Polymer powder 10～70%；All the other components are base oil；
Described heavy weight additive is that density is more than 1.3g/cm3Organic solvent；Described stabilizer is the one in aerosil, gaseous oxidation aluminum；Described surfactant is one or both in naphthenic soap, sorbester p17, Tween 80, oleic acid, OPEO, rosin triglyceride, changes the stability of the interfacial property raising polymer powder between granule and liquid phase by adding surfactant；Described cosolvent is the one in methanol, carbamide, ethylene glycol monobutyl ether, and when obtained aqueous solution, cosolvent is conducive to hydrone to spread in polymer powder, improves structure adaptability speed；Described polymer powder is water-soluble polymer powder；Described base oil is organic solvent, for the disperse medium of polymer powder.
Described heavy weight additive is specially the one in bromination Oleum Gossypii semen, trichloroethane, four chloropropanes, dibromopropane, is increased the buoyancy of polymer powder by the density of heavy weight additive raising base oil.
Described water-soluble polymer powder is specially one or more in polyacrylamide synthetic polymer, guanidine glue and derivant, cellulose and its derivates, Konjac glucomannan and derivant, starch and derivant, xanthan gum and derivant, fenugreek gum and derivant thereof.
Described organic solvent is the one in environmentally-friendly plastic oil, environmental tire oil, chlorination waste oil, mineral oil, vegetable oil.
The present invention the second purpose is reached by following measure: the method preparing above-mentioned high stability polymer powder oil-based suspension, comprise the following steps: (1) weighs each component by above-mentioned mass percent, first stabilizer is added in base oil, use ultrasonic oscillator supersound process 5～15 minutes, make stabilizer be dispersed in oil phase；(2) again heavy weight additive, surfactant, cosolvent, polymer powder are added in above-mentioned oil phase, be sufficiently stirred for mixing, obtain suspension finished product, be high stability polymer powder oil-based suspension.
Compared with prior art, the method have the advantages that in the high stability polymer powder oil-based suspension prepared by the present invention, change the stability of the interfacial property raising polymer powder between granule and liquid phase by adding surfactant；When obtained aqueous solution, cosolvent is conducive to hydrone to spread in polymer powder, improves structure adaptability speed；The disperse medium acting as polymer powder of described base oil.The heavy weight additive added is for improving the density of base oil to increase the buoyancy of polymer powder.Therefore, compared with prior art the invention have the advantages that (1) this polymer powder oil-based suspension has strong stability, under room temperature condition, storage life is only extended in 180 days without lamination by original for 4 days.(2) the most high solids content of this high stability polymer powder oil-based suspension can reach 70%, and viscosity is less than 300mPa s, good fluidity.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention done detailed specific description, but they are not intended that limitation of the invention, only for example.Simultaneously by illustrating that advantages of the present invention will become clearer from easy to understand.
Should there is a part corresponding with claim herein.Then embodiment is write again.
Embodiment 1
The high stability polymer powder oil-based suspension provided in the present embodiment, described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, and each component and the mass percent shared by each component be: heavy weight additive 10%；Stabilizer 0.5%；Surfactant 2%；Cosolvent 0.1%；Polymer powder 55%；Base oil 32.4%；
Described heavy weight additive is high density organic solvent, is specially dibromopropane；Described stabilizer is gaseous oxidation aluminum；Described surfactant is sorbester p17；Described cosolvent is ethylene glycol monobutyl ether；Described polymer powder is water-soluble polymer, is specially hydroxypropyl guar；Described base oil is organic solvent, is specially environmental tire oil.
The preparation method of the high stability polymer powder oil-based suspension that the present embodiment provides is as follows: gaseous oxidation aluminum is added in environmental tire oil by described material rate by (1), use ultrasonic oscillator supersound process to pour in reactor after ten minutes, keep temperature of reaction kettle below 40 DEG C.
(2) successively trichloroethane, sorbester p17, ethylene glycol monobutyl ether, hydroxypropyl guar are proportionally added in above-mentioned oil phase again, high-speed stirred 10 minutes, obtain suspension finished product.Suspension viscosity prepared by the present embodiment is less than 150mPa s, and stabilization time was more than 180 days.
Embodiment 2
The high stability polymer powder oil-based suspension provided in the present embodiment, described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, and each component and the mass percent shared by each component be: heavy weight additive 8%；Stabilizer 0.5%；Surfactant 1%；Cosolvent 0.5%；Polymer powder 35%；Base oil 55%；
Described heavy weight additive is high density organic solvent, is specially bromination Oleum Gossypii semen；Described stabilizer is aerosil；Described surfactant is naphthenic soap；Described cosolvent is urea powder；Described polymer powder is water-soluble polymer, is specially polyacrylamide；Described base oil is organic solvent, is specially chlorination waste oil.
The preparation method of the high stability polymer powder oil-based suspension that the present embodiment provides is as follows: aerosil is added in chlorination waste oil by described material rate by (1), use ultrasonic oscillator supersound process to pour in reactor after ten minutes, keep temperature of reaction kettle below 40 DEG C.
(2) successively bromination Oleum Gossypii semen, naphthenic soap, urea powder, polyacrylamide are proportionally added in above-mentioned oil phase again, high-speed stirred 10 minutes, obtain suspension finished product.Suspension viscosity prepared by the present embodiment is less than 100mPa s, and stabilization time was more than 180 days.
Embodiment 3
The high stability polymer powder oil-based suspension provided in the present embodiment, described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, and each component and the mass percent shared by each component be: heavy weight additive 30%；Stabilizer 1%；Surfactant 0.8%；Cosolvent 0.5%；Polymer powder 20%；Base oil 47.7%；
Described heavy weight additive is high density organic solvent, is specially trichloroethane；Described stabilizer is aerosil；Described surfactant is Tween 80；Described cosolvent is methanol；Described polymer powder is water-soluble polymer, is specially xanthan gum；Described base oil is mineral oil, is specially white oil.
The preparation method of the high stability polymer powder oil-based suspension that the present embodiment provides is as follows: aerosil is added in white oil by described material rate by (1), use ultrasonic oscillator supersound process to pour in reactor after ten minutes, keep temperature of reaction kettle below 40 DEG C.
(2) successively trichloroethane, Tween 80, methanol, xanthan gum are proportionally added in above-mentioned oil phase again, high-speed stirred 10 minutes, obtain suspension finished product.The suspension viscosity of preparation is less than 60mPa s, and stabilization time was more than 180 days.
Embodiment 4
The high stability polymer powder oil-based suspension provided in the present embodiment, described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, and each component and the mass percent shared by each component be: heavy weight additive 35%；Stabilizer 2%；Surfactant 0.5%；Cosolvent 0.8%；Polymer powder 40%；Base oil 21.7%；
Described heavy weight additive is high density organic solvent, is specially four chloropropanes；Described stabilizer is gaseous oxidation aluminum；Described surfactant is rosin triglyceride；Described cosolvent is ethylene glycol monobutyl ether；Described polymer powder is water-soluble polymer, is specially fenugreek gum；Described base oil is plant, is specially Oleum Ricini.
The preparation method of the high stability polymer powder oil-based suspension that the present embodiment provides is as follows: gaseous oxidation aluminum is added in Oleum Ricini by described material rate by (1), use ultrasonic oscillator supersound process to pour in reactor after ten minutes, keep temperature of reaction kettle below 40 DEG C.
(2) successively four chloropropanes, rosin triglyceride, ethylene glycol monobutyl ether, fenugreek gum are proportionally added in above-mentioned oil phase again, high-speed stirred 10 minutes, obtain suspension finished product.The suspension viscosity of preparation is less than 120mPa s, and stabilization time was more than 180 days.
Claims (6)
1. a high stability polymer powder oil-based suspension, it is characterized in that: described high stability polymer powder oil-based suspension is made up of heavy weight additive, stabilizer, surfactant, cosolvent, polymer powder and base oil, each component and the mass percent shared by each component be: heavy weight additive 1～50%；Stabilizer 0.1～5%；Surfactant 0.01～2%；Cosolvent 0.1～5%；Polymer powder 10～70%；All the other components are base oil；
Described heavy weight additive is that density is more than 1.3g/cm3Organic solvent；Described stabilizer is the one in aerosil, gaseous oxidation aluminum；Described surfactant is one or both in naphthenic soap, sorbester p17, Tween 80, oleic acid, OPEO, rosin triglyceride；Described cosolvent is the one in methanol, carbamide, ethylene glycol monobutyl ether；Described polymer powder is water-soluble polymer powder；Described base oil is organic solvent.
2. high stability polymer powder oil-based suspension according to claim 1, it is characterised in that: in described high stability polymer powder oil-based suspension, the mass percent shared by each component and each component is: heavy weight additive 10～35%；Stabilizer 0.5～2%；Surfactant 0.5～2%；Cosolvent 0.1～2%；Polymer powder 20～60%；All the other components are base oil.
3. high stability polymer powder oil-based suspension according to claim 1, it is characterised in that: described heavy weight additive is specially the one in bromination Oleum Gossypii semen, trichloroethane, four chloropropanes, dibromopropane.
4. high stability polymer powder oil-based suspension according to claim 1, it is characterised in that: described water-soluble polymer powder is specially one or more in polyacrylamide synthetic polymer, guanidine glue and derivant, cellulose and its derivates, Konjac glucomannan and derivant, starch and derivant, xanthan gum and derivant, fenugreek gum and derivant thereof.
5. high stability polymer powder oil-based suspension according to claim 1, it is characterised in that: described organic solvent is the one in environmentally-friendly plastic oil, environmental tire oil, chlorination waste oil, mineral oil, vegetable oil.
6. the preparation method of high stability polymer powder oil-based suspension described in claim 1, it is characterized in that comprising the following steps: (1) weighs each component by mass percent described in claim 1, first stabilizer is added in base oil, use ultrasonic oscillator supersound process 5～15 minutes, make stabilizer be dispersed in oil phase；
(2) again heavy weight additive, surfactant, cosolvent, water-soluble polymer powder are added in above-mentioned oil phase, be sufficiently stirred for mixing, obtain suspension finished product, be high stability polymer powder oil-based suspension.
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Cited By (9)
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| CN106833562A (en) * | 2017-02-13 | 2017-06-13 | 健隆生物科技股份有限公司 | Xanthans liquid dispersion and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN108841371A (en) * | 2018-06-27 | 2018-11-20 | 长江大学 | A kind of CBM Fracturing compound coal dust suspending agent and preparation method thereof |
| CN109180966A (en) * | 2018-08-30 | 2019-01-11 | 国悦环境工程技术服务（北京）有限公司 | It is a kind of with improve water-soluble polymer powder hydration rate and in the unit time suspension of viscosity preparation method |
| CN109456749A (en) * | 2018-11-16 | 2019-03-12 | 中国石油化工股份有限公司 | A kind of oil field instant liquid guanidine glue and preparation method thereof |
| CN109536150A (en) * | 2018-12-10 | 2019-03-29 | 山东石大油田技术服务股份有限公司 | Displacement pressure adjusting control agent and preparation method thereof |
| CN111548778A (en) * | 2020-05-20 | 2020-08-18 | 中海油田服务股份有限公司 | Viscosity increasing agent in liquid suspension form and preparation method thereof |
| CN111690154A (en) * | 2020-06-24 | 2020-09-22 | 松原市欧科化工有限公司 | Oil-based solvent system with efficient suspension performance |
| CN112662383A (en) * | 2020-12-10 | 2021-04-16 | 山东诺尔生物科技有限公司 | High-efficiency instant multi-component copolymer dispersion liquid and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106833562A (en) * | 2017-02-13 | 2017-06-13 | 健隆生物科技股份有限公司 | Xanthans liquid dispersion and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN107760294B (en) * | 2017-10-25 | 2020-09-08 | 成都劳恩普斯科技有限公司 | Powder suspension and preparation method and application thereof |
| CN108841371B (en) * | 2018-06-27 | 2020-07-31 | 长江大学 | Composite pulverized coal suspending agent for coal bed gas fracturing and preparation method thereof |
| CN108841371A (en) * | 2018-06-27 | 2018-11-20 | 长江大学 | A kind of CBM Fracturing compound coal dust suspending agent and preparation method thereof |
| CN109180966A (en) * | 2018-08-30 | 2019-01-11 | 国悦环境工程技术服务（北京）有限公司 | It is a kind of with improve water-soluble polymer powder hydration rate and in the unit time suspension of viscosity preparation method |
| CN109456749A (en) * | 2018-11-16 | 2019-03-12 | 中国石油化工股份有限公司 | A kind of oil field instant liquid guanidine glue and preparation method thereof |
| CN109536150A (en) * | 2018-12-10 | 2019-03-29 | 山东石大油田技术服务股份有限公司 | Displacement pressure adjusting control agent and preparation method thereof |
| CN111548778A (en) * | 2020-05-20 | 2020-08-18 | 中海油田服务股份有限公司 | Viscosity increasing agent in liquid suspension form and preparation method thereof |
| CN111548778B (en) * | 2020-05-20 | 2023-06-02 | 中海油田服务股份有限公司 | Viscosity-increasing agent in liquid suspension form and preparation method thereof |
| CN111690154A (en) * | 2020-06-24 | 2020-09-22 | 松原市欧科化工有限公司 | Oil-based solvent system with efficient suspension performance |
| CN112662383A (en) * | 2020-12-10 | 2021-04-16 | 山东诺尔生物科技有限公司 | High-efficiency instant multi-component copolymer dispersion liquid and preparation method thereof |
| CN112662383B (en) * | 2020-12-10 | 2022-04-29 | 山东诺尔生物科技有限公司 | High-efficiency instant multi-component copolymer dispersion liquid and preparation method thereof |
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