CN101538369B - Preparation method of hydroxypropyl guar gel emulsifiable solution - Google Patents
Preparation method of hydroxypropyl guar gel emulsifiable solution Download PDFInfo
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- CN101538369B CN101538369B CN2009100221817A CN200910022181A CN101538369B CN 101538369 B CN101538369 B CN 101538369B CN 2009100221817 A CN2009100221817 A CN 2009100221817A CN 200910022181 A CN200910022181 A CN 200910022181A CN 101538369 B CN101538369 B CN 101538369B
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Abstract
The invention relates to a preparation method of hydroxypropyl guar gel emulsifiable solution. At present, thickening agent commonly used in well fracturing production-increasing technology of an oil field adopts dry powder guar gel, hydroxypropyl guar gel and droxyethyl cellulose, which have the following defects that the dissolution speed is low, the dispersion is easy, and the dissolution is incomplete, fish eyes are easily produced when the gel solution is prepared, the solution is difficult to prepare and the gel is difficult to form as well as the gel is difficult to break under the low temperature, and three-waste is easily generated during the production. The hydroxypropyl guar gel emulsifiable solution is prepared by the following raw materials according to the weight percentage: 10-70 portions of guar gel, 5-15 portions of propylene oxide, 3-10 portions of chlorhydric acid, 150-250 portions of alcohol, 30-90 portions of diesel, 5-15 portions of alkali, 500-1000 portions of water, and 1-10 portions of surface active agent, therefore, the invention has simple preparation, easy dissolution, and high efficiency of gel-breaking drilling, and can realize continuous construction and fracturing under the condition of low temperature.
Description
Technical field
The invention belongs to accurate chemical technology field, be specifically related to a kind of preparation method of hydroxypropyl guar gel emulsifiable solution.
Background technology
At present, thickening material commonly used in the well fracturing yield increasing technology of oil field is a water-soluble polymers, as: dry powder guanidine that glue, hydroxypropyl guanidine that glue and Natvosol, these are the following shortcoming of ubiquity in use:
1, dissolution rate slowly, easily disperse and dissolving not thorough, residue is many.
2, when the preparation original gelatin, very easily produce " flake " that varies in size, and glued block precipitation is arranged in the original gelatin, easily stop up the oil gas crack, cause flow conductivity to reduce, influenced result of use.
3, poor, the broken glue of temperature resistance anti-shear performance is slow, has the difficult dosing of low temperature, becomes glue, breaks the glue problem.
4, preparation technology is complicated, has " three wastes " to produce in process of production.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of easily molten, broken glue drilling efficiency height is provided, can realize the preparation method of a kind of hydroxypropyl guar gel emulsifiable solution of continuous construction pressure break under the cold condition.
For achieving the above object, the technical solution used in the present invention is:
A kind of preparation method of hydroxypropyl guar gel emulsifiable solution, it is used in powder easily molten difficult dispersion in water, and insoluble easy dispersing characteristic in oil adds tensio-active agent and makes its suspended dispersed in oil, obtains hydroxypropyl guar gel emulsifiable solution;
(1) each proportioning raw materials is counted with parts by weight:
10～70 parts in guanidine that glue
5～15 parts of propylene oxide
3～10 parts of hydrochloric acid
150～250 parts of alcohol
30～90 parts of diesel oil
5～15 parts in alkali
500～1000 parts in water
1～10 part in tensio-active agent
(2) chemical reaction process preparation process:
According to above-mentioned each raw material reaction proportioning, at first your glue of guanidine is put into the container that has agitator, add entry and alcohol stirring 2-3min under the normal temperature, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding hydrochloric acid then, to be neutralized to PH be 7, then adds diesel oil and evaporate separation, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature add tensio-active agent during emulsification, finally make hydroxypropyl guar gel emulsifiable solution.
Above-mentioned tensio-active agent is water-in-oil-type or oil-in-water-type.
Above-mentioned water-in-oil-type is HLB value 2-6, soil temperature 60:2 part, soil temperature 80:3 part, span 80: 6 parts; Oil-in-water-type is HLB value 9-16, OP-10:0.5 part, peregal 0:10 part.
You can be Mierocrystalline cellulose, polyacrylic acid potassium or polyacrylamide and organic polymer material by glue above-mentioned guanidine.
Above-mentioned diesel oil can be kerosene or machine oil.
Above-mentioned alcohol is meant methyl alcohol, ethanol or ethylene glycol.
The alcohol that produces when above-mentioned evaporation separates can be by being recovered in recycle in the etherification procedure.
Compared with prior art, advantage of the present invention is:
The present invention utilizes dry powder easily molten difficult dispersion in water, and insoluble easy dispersing characteristic in oil adds tensio-active agent and makes its suspended dispersed in oil, obtains hydroxypropyl guar gel emulsifiable solution, makes it have easy dissolving, easily disperse; There are not anti-glue, anti-row rapidly; Do not have " flake " when breaking glue and produce, and do not have " three wastes " generation in the production process; Solved low temperature dosing, low temperature simultaneously and become glue, the broken glue of low temperature and construction difficult problem continuously, filled up the technological gap of hydroxypropyl guar gel emulsifiable solution in the oil drilling field.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
A kind of preparation method of hydroxypropyl guar gel emulsifiable solution, it utilizes dry powder easily molten difficult dispersion in water, and insoluble easy dispersing characteristic in oil adds tensio-active agent and makes its suspended dispersed in oil, obtains hydroxypropyl guar gel emulsifiable solution;
(1) each proportioning raw materials is counted with parts by weight:
10～70 parts in guanidine that glue
5～15 parts of propylene oxide
3～10 parts of hydrochloric acid
150～250 parts of alcohol
30～90 parts of diesel oil
5～15 parts in alkali
500～1000 parts in water
1～10 part in tensio-active agent
(2) chemical reaction process preparation process:
According to above-mentioned each raw material reaction proportioning, at first your glue of guanidine is put into the container that has agitator, add entry and alcohol stirring 2-3min under the normal temperature, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding hydrochloric acid then, to be neutralized to PH be 7, then adds diesel oil and evaporate separation, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature add tensio-active agent during emulsification, finally make hydroxypropyl guar gel emulsifiable solution.
Above-mentioned tensio-active agent is water-in-oil-type or oil-in-water-type.
Above-mentioned water-in-oil-type is HLB value 2-6, soil temperature 60:2 part, soil temperature 80:3 part, span 80: 6 parts; Oil-in-water-type is HLB value 9-16, OP-10:0.5 part, peregal 0:10 part.
You can be Mierocrystalline cellulose, polyacrylic acid potassium or polyacrylamide and organic polymer material by glue above-mentioned guanidine.
Above-mentioned diesel oil can be kerosene or machine oil.
Above-mentioned alcohol is meant methyl alcohol, ethanol or ethylene glycol.
The alcohol that produces when above-mentioned evaporation separates can be by being recovered in recycle in the etherification procedure.
Embodiment 1:
Your glue of guanidine is put into the container that has agitator for 30 parts, add 800 parts of entry and alcohol under the normal temperature and stir 2-3min for 200 parts, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add 10 parts in alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate for each 10 parts, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding 5 parts of hydrochloric acid then, to be neutralized to PH be 7, then adds diesel oil and evaporate separation for 60 parts, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature, tensio-active agent is 5 parts during emulsification, finally makes hydroxypropyl guar gel emulsifiable solution.
Embodiment 2:
Your glue of guanidine is put into the container that has agitator for 10 parts, add 500 parts of entry and alcohol under the normal temperature and stir 2-3min for 200 parts, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add 10 parts in alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate for each 10 parts, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding 3 parts of hydrochloric acid then, to be neutralized to PH be 7, then adds diesel oil and evaporate separation for 30 parts, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature add 3 parts in tensio-active agent during emulsification, finally make hydroxypropyl guar gel emulsifiable solution.
Embodiment 3:
Your glue of guanidine is put into the container that has agitator for 70 parts, add 1000 parts of entry and alcohol under the normal temperature and stir 2-3min for 200 parts, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add 10 parts in alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate for each 10 parts, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding 10 parts of hydrochloric acid then, to be neutralized to PH be 7, then adds diesel oil and evaporate separation for 70 parts, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature add 8 parts in tensio-active agent during emulsification, finally make hydroxypropyl guar gel emulsifiable solution.
Claims (5)
1. the preparation method of a hydroxypropyl guar gel emulsifiable solution, it utilizes dry powder easily molten difficult dispersion in water, and insoluble easy dispersing characteristic in oil adds tensio-active agent and makes its suspended dispersed in oil, obtains hydroxypropyl guar gel emulsifiable solution;
(1) each proportioning raw materials is counted with parts by weight:
10～70 parts in guanidine that glue
5～15 parts of propylene oxide
Hydrochloric acid 3-10 part
150～250 parts of methyl alcohol, ethanol or ethylene glycol
30～90 parts of diesel oil
5～15 parts in alkali
500～1000 parts in water
1～10 part in tensio-active agent
(2) chemical reaction process preparation process:
According to above-mentioned each raw material reaction proportioning, at first your glue of guanidine is put into the container that has agitator, add entry and alcohol stirring 2-3min under the normal temperature, and be diluted to 1: 70-90, leave standstill 4h; Then slowly add alkali, be warming up to 60 ℃, add propylene oxide and alcohol again and carry out etherificate, remain under 60 ± 5 ℃ the temperature and react 4h, your glue of hydroxypropyl guanidine; Adding hydrochloric acid then, to be neutralized to pH be 7, then adds diesel oil and evaporate separation, and make your glue of hydroxypropyl guanidine be in the wet state of depositing; Ball milling, emulsification under the last normal temperature add tensio-active agent during emulsification, finally make hydroxypropyl guar gel emulsifiable solution.
2. the preparation method of a kind of hydroxypropyl guar gel emulsifiable solution according to claim 1, it is characterized in that: described tensio-active agent is water-in-oil-type or oil-in-water-type.
3. the preparation method of a kind of hydroxypropyl guar gel emulsifiable solution according to claim 2, it is characterized in that: described water-in-oil-type is HLB value 2-6, soil temperature 60:2 part, soil temperature 80:3 part, span 80: 6 parts; Oil-in-water-type is HLB value 9-16, OP-10:0.5 part, paregal O: 10 parts.
4. the preparation method of a kind of hydroxypropyl guar gel emulsifiable solution according to claim 1, it is characterized in that: described diesel oil can be kerosene or machine oil.
5. the preparation method of a kind of hydroxypropyl guar gel emulsifiable solution according to claim 1 is characterized in that: the alcohol that produces when evaporation separates can be by being recovered in recycle in the etherification procedure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100221817A CN101538369B (en) | 2009-04-24 | 2009-04-24 | Preparation method of hydroxypropyl guar gel emulsifiable solution |
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| CN2009100221817A CN101538369B (en) | 2009-04-24 | 2009-04-24 | Preparation method of hydroxypropyl guar gel emulsifiable solution |
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| CN101538369B true CN101538369B (en) | 2011-06-01 |
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| CN102180986B (en) * | 2011-03-30 | 2012-10-10 | 陕西科技大学 | Alkenyl succinic anhydride-modified guar gum fracturing liquid thickening agent and preparation method thereof |
| CN104861215B (en) * | 2015-06-04 | 2019-02-26 | 中国海洋石油集团有限公司 | A method of improving the dispersing and dissolving performance of oil field biological polyoses |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073194A (en) * | 1991-12-10 | 1993-06-16 | 山东省东明县田菁胶厂 | Fracturing fluid thickener |
| CN1182116A (en) * | 1996-11-13 | 1998-05-20 | 天津商学院 | Preparation of emulsified kerosene |
| CN1222555A (en) * | 1998-01-06 | 1999-07-14 | 天津商学院 | Preparation of emulsifying fracture liquid for oil well |
| CN100404638C (en) * | 2006-07-07 | 2008-07-23 | 中国石油天然气股份有限公司 | High density fracturing liquid |
-
2009
- 2009-04-24 CN CN2009100221817A patent/CN101538369B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073194A (en) * | 1991-12-10 | 1993-06-16 | 山东省东明县田菁胶厂 | Fracturing fluid thickener |
| CN1182116A (en) * | 1996-11-13 | 1998-05-20 | 天津商学院 | Preparation of emulsified kerosene |
| CN1222555A (en) * | 1998-01-06 | 1999-07-14 | 天津商学院 | Preparation of emulsifying fracture liquid for oil well |
| CN100404638C (en) * | 2006-07-07 | 2008-07-23 | 中国石油天然气股份有限公司 | High density fracturing liquid |
Non-Patent Citations (1)
| Title |
|---|
| 王满学等.不同因素对W /O型乳化压裂液稳定性的影响研究.《石油与天然气化工》.2008,第37卷(第5期),423-426,431,5. * |
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