CN105085780A - Polystyrene acrylic acid-2-ethyl hexyl ester and synthetic method and application thereof - Google Patents
Polystyrene acrylic acid-2-ethyl hexyl ester and synthetic method and application thereof Download PDFInfo
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- CN105085780A CN105085780A CN201510423037.XA CN201510423037A CN105085780A CN 105085780 A CN105085780 A CN 105085780A CN 201510423037 A CN201510423037 A CN 201510423037A CN 105085780 A CN105085780 A CN 105085780A
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- CN
- China
- Prior art keywords
- acrylic acid
- synthetic method
- polystyrene acrylic
- polyvinyl alcohol
- ethyl hexyl
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- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000004793 Polystyrene Substances 0.000 title claims abstract description 30
- 229920002223 polystyrene Polymers 0.000 title claims abstract description 30
- 238000010189 synthetic method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 19
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 19
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 16
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000002612 dispersion medium Substances 0.000 claims abstract description 3
- 239000000178 monomer Substances 0.000 claims abstract description 3
- 239000000700 radioactive tracer Substances 0.000 claims description 16
- 238000004090 dissolution Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- -1 ethylhexyl ester Chemical class 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 25
- 239000010779 crude oil Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000010557 suspension polymerization reaction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a polystyrene acrylic acid-2-ethyl hexyl ester and a synthetic method and application thereof. The polystyrene acrylic acid-2-ethyl hexyl ester is prepared by the method comprising the following steps: the suspension polymerization reaction is carried out by taking acrylic acid-2-ethyl hexyl ester and styrene as reaction monomers and taking water as dispersion medium in the presence of dispersing agent polyvinyl alcohol and initiating agent benzoyl peroxide. The polystyrene acrylic acid-2-ethyl hexyl ester has the following advantages: the test result shows that the polystyrene acrylic acid-2-ethyl hexyl ester prepared by the synthetic method can be completely dissolved in the crude oil, the concentration of the polystyrene acrylic acid-2-ethyl hexyl ester can be accurately measured by a gas chromatograph-mass spectrometer, the using amount is small, and the requirement of monitoring the oil production section of the horizontal well is met.
Description
Technical field
The present invention relates to oil exploration and development fields, specifically, relate to a kind of polystyrene acrylic acid-2-ethylhexyl ester and synthetic method thereof and application.
Background technology
At present in In Oil Field Exploration And Development process, prospect pit many employings horizontal well, and multi-layer multi-stage pressure break is the first-selected technique of stratum transformation, but in the process that layer position is selected, there is no specific aim, be all by experience to select layering, therefore post-fracturing Data acquisition and issuance fracturing effect just seemed particularly important.In prior art, by the monitoring such as micro seismic method, potentiometry and fracture intensity after pressure break can be analyzed, whether have commercial oil by the row's of returning situation awareness reservoir, but effective monitoring method is not had for the produce oil situation of each section after staged fracturing.
Multistage fracturing technique building technology and support equipment are ripe, have realized 30 grades of pressure breaks in the world, and largest domestic pressure break progression is more than 15 grades.Because pressure break progression is more, long horizontal sections physical property there are differences in addition, and after every grade of pressure break, discharge opeing situation has great importance for the evaluation of fracturing effect and next step well site deployment, but does not have effective monitoring method for the produce oil situation of each section after staged fracturing.For solving this technical problem, in multistage fracturing process, every section is mixed into different types of solid oil dissolubility tracer particles in fracturing propping agents, along with the output solid oil dissolubility tracer particles of crude oil is constantly dissolved in crude oil, by analyzing the concentration of tracer agent in production fluid, reaching and analyzing the object that every section of produce oil situation draws every section of produce oil liquid section.Because current largest domestic pressure break progression is more than 15 grades, therefore in requisition for more than 15 kinds horizontal well produce oil profile monitoring tracer agents.
Oil field tracer agent was water-soluble in the past, and the few consumption of kind is large, and be not suitable for the monitoring of each section of produce oil situation after horizontal well multi-layer multi-stage pressure break, tracer agent of the present invention is oil soluble, and when concentration is low, accuracy of detection is high, and consumption is low.In multistage fracturing process, every section is mixed into different types of solid oil dissolubility tracer particles in fracturing propping agents, along with the output solid oil dissolubility tracer particles of crude oil is constantly dissolved in crude oil, by analyzing the concentration of tracer agent in production fluid, reaching and analyzing the object that every section of produce oil situation draws every section of produce oil liquid section.
Summary of the invention
One object of the present invention is the synthetic method providing a kind of polystyrene acrylic acid-2-ethylhexyl ester;
Another object of the present invention is to the polystyrene acrylic acid-2-ethylhexyl ester providing described synthetic method to prepare;
Another object of the present invention is to provide described polystyrene acrylic acid-2-ethylhexyl ester in the application preparing horizontal well produce oil profile monitoring tracer agent.
Another object of the present invention is to provide the tracer agent of the horizontal well produce oil profile monitoring containing described polystyrene acrylic acid-2-ethylhexyl ester.
For reaching above-mentioned purpose, on the one hand, the invention provides a kind of synthetic method of polystyrene acrylic acid-2-ethylhexyl ester, described method comprises with 2-ethylhexyl acrylate and vinylbenzene for reaction monomers, under polyvinyl alcohol and benzoyl peroxide exist, be that dispersion medium carries out polyreaction with water.
Polyvinyl alcohol is wherein dispersion agent, and benzoyl peroxide is initiator.
Wherein said polyvinyl alcohol is this area conventional reagent, and the conventional polyvinyl alcohol in any commercially available this area may be used to the present invention, and according to the present invention some preferred embodiment, described polyvinyl alcohol mean polymerisation degree is 2400-2500.
According to the present invention some preferred embodiment, in described synthetic method, the whole material gross weights added in reaction are for 100%, and institute adds each weight of material per-cent and is respectively: 2-ethylhexyl acrylate is 20-45%, vinylbenzene is 2.5-5%, polyvinyl alcohol is 0.1-0.2%, benzoyl peroxide is 0.2-0.9% and water is 50-75%.
According to the present invention some preferred embodiment, the temperature of reaction of polyreaction of the present invention can be 80 DEG C ~ 90 DEG C; Wherein be preferably 85 DEG C.
According to the present invention some preferred embodiment, the reaction times of described polyreaction can be 8-10h; Wherein be preferably 8h.
According to the present invention some preferred embodiment, described method comprises: first polyvinyl alcohol dissolution in water, add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide, after having added, be obtained by reacting described polystyrene acrylic acid-2-ethylhexyl ester.
According to the present invention some preferred embodiment, described method comprises: first polyvinyl alcohol dissolution in the water of 80 DEG C ~ 90 DEG C, then add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide.
According to the present invention some preferred embodiment, described method comprises: first polyvinyl alcohol dissolution in water, be warmed up to 80 DEG C ~ 90 DEG C constant temperature 30min, then add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide.
According to the present invention some preferred embodiment, described method comprises: first polyoxyethylene glycol is dissolved in water, is warmed up to 85 DEG C of constant temperature 30min.
According to the present invention some preferred embodiment, described in be incorporated as dropping;
According to the present invention some preferred embodiment, the speed of described dropping is that 5-10 drips/min.
According to the present invention some preferred embodiment, described method also comprises: after being obtained by reacting described polystyrene acrylic acid-2-ethylhexyl ester, be cooled to room temperature discharging again.
The invention provides a kind of synthetic method of oil soluble tracer agent polystyrene acrylic acid-2-ethylhexyl ester, by weight percentage, first the polyvinyl alcohol dissolution of 0.1% ~ 0.2% in the hot water of 50% ~ 70%, be warmed up to 80 DEG C ~ 90 DEG C constant temperature 30min, the mixing solutions of 25% ~ 45% 2-ethylhexyl acrylate, 2.5% ~ 5% vinylbenzene and 0.5% ~ 1% benzoyl peroxide is dripped with the speed of per minute 5 ~ 10, be added dropwise to complete rear reaction 8h ~ 10h, be cooled to room temperature discharging.
On the other hand, present invention also offers the polystyrene acrylic acid-2-ethylhexyl ester that synthetic method described in any one of the present invention prepares.
Again on the one hand, present invention also offers described polystyrene acrylic acid-2-ethylhexyl ester in the application preparing horizontal well produce oil profile monitoring tracer agent.
Another aspect, present invention also offers the horizontal well produce oil profile monitoring tracer agent containing described polystyrene acrylic acid-2-ethylhexyl ester.
In sum, the invention provides a kind of polystyrene acrylic acid-2-ethylhexyl ester and synthetic method thereof and application.Polystyrene acrylic acid-2-ethylhexyl ester tool of the present invention has the following advantages:
Test result shows that the polystyrene acrylic acid-2-ethylhexyl ester adopting synthetic method of the present invention to produce can be dissolved in crude oil completely, can its concentration of Accurate Determining by gas chromatograph-mass spectrometer, and consumption is few, meets the needs of horizontal well produce oil profile monitoring.
Embodiment
Describe the beneficial effect of implementation process of the present invention and generation below by way of specific embodiment in detail, be intended to help reader to understand essence of the present invention and feature better, not as can the restriction of practical range to this case.
Embodiment 1
0.1g polyvinyl alcohol (mean polymerisation degree is 2400-2500) is dissolved in the hot water of 55g, be warmed up to 85 DEG C of constant temperature 30min, the mixing solutions of slow dropping 40g 2-ethylhexyl acrylate, 4.5g vinylbenzene and 0.9g benzoyl peroxide, be added dropwise to complete rear reaction 8h, be cooled to room temperature discharging.
Embodiment 2:
0.15g polyvinyl alcohol (mean polymerisation degree is 2400-2500) is dissolved in the hot water of 65g, be warmed up to 85 DEG C of constant temperature 30min, the mixing solutions of slow dropping 30g 2-ethylhexyl acrylate, 4g vinylbenzene and 0.5g benzoyl peroxide, be added dropwise to complete rear reaction 8h, be cooled to room temperature discharging.
Embodiment 3:
0.2g polyvinyl alcohol (mean polymerisation degree is 2400-2500) is dissolved in the hot water of 75g, be warmed up to 85 DEG C of constant temperature 30min, the mixing solutions of slow dropping 20g 2-ethylhexyl acrylate, 3g vinylbenzene and 0.2g benzoyl peroxide, be added dropwise to complete rear reaction 8h, be cooled to room temperature discharging.
Application examples 1
0.1g polystyrene acrylic acid-2-ethylhexyl ester embodiment 1 prepared is dissolved in 100g crude oil, be warmed up to 70 DEG C after dissolving mix completely, to get 1g sherwood oil dilute 20 times, with polystyrene acrylic acid-2-ethylhexyl ester content in gas chromatograph-mass spectrometer working sample, test result is in table 1.
Polystyrene acrylic acid-2-ethylhexyl ester measurement result in table 1 sample
Claims (10)
1. the synthetic method of a polystyrene acrylic acid-2-ethylhexyl ester, it is characterized in that, described method comprises with 2-ethylhexyl acrylate and vinylbenzene for reaction monomers, under polyvinyl alcohol and benzoyl peroxide exist, is that dispersion medium carries out polyreaction with water.
2. synthetic method according to claim 1, it is characterized in that, the whole material gross weights added in reaction are for 100%, and institute adds each weight of material per-cent and is respectively: 2-ethylhexyl acrylate is 20-45%, vinylbenzene is 2.5-5%, polyvinyl alcohol is 0.1-0.2%, benzoyl peroxide is 0.2-0.9% and water is 50-75%.
3. synthetic method according to claim 1 and 2, is characterized in that, the temperature of reaction of described polyreaction is 80 DEG C ~ 90 DEG C.
4. synthetic method according to claim 1 and 2, is characterized in that, the reaction times of described polyreaction is 8-10h.
5. synthetic method according to claim 1 and 2, it is characterized in that, described method comprises: first polyvinyl alcohol dissolution in water, add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide, after having added, be obtained by reacting described polystyrene acrylic acid-2-ethylhexyl ester; Dropping is incorporated as preferably; More preferably the speed dripped is that 5-10 drips/min.
6. synthetic method according to claim 5, is characterized in that, described method comprises: first polyvinyl alcohol dissolution in the water of 80 ~ 90 DEG C, then add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide.
7. synthetic method according to claim 5, it is characterized in that, described method comprises: first polyvinyl alcohol dissolution in water, be warmed up to 80 DEG C ~ 90 DEG C constant temperature 20-30min, then add the mixing solutions of 2-ethylhexyl acrylate, vinylbenzene and benzoyl peroxide.
8. polystyrene acrylic acid-2-the ethylhexyl ester for preparing of synthetic method described in claim 1 ~ 7 any one.
9. polystyrene acrylic acid-2-ethylhexyl ester according to claim 8 is in the application preparing horizontal well produce oil profile monitoring tracer agent.
10. the horizontal well produce oil profile monitoring tracer agent containing polystyrene acrylic acid-2-ethylhexyl ester according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423037.XA CN105085780B (en) | 2015-07-17 | 2015-07-17 | Polystyrene acrylic acid-2-ethyl hexyl ester and synthetic method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423037.XA CN105085780B (en) | 2015-07-17 | 2015-07-17 | Polystyrene acrylic acid-2-ethyl hexyl ester and synthetic method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105085780A true CN105085780A (en) | 2015-11-25 |
| CN105085780B CN105085780B (en) | 2018-02-02 |
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| CN201510423037.XA Active CN105085780B (en) | 2015-07-17 | 2015-07-17 | Polystyrene acrylic acid-2-ethyl hexyl ester and synthetic method and application thereof |
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Citations (5)
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|---|---|---|---|---|
| CN101215355A (en) * | 2008-01-09 | 2008-07-09 | 苏州大学 | High oil absorption resin and synthetic method thereof |
| CN103752289A (en) * | 2014-01-26 | 2014-04-30 | 福州大学 | Organic solvent absorbing agent and preparation method thereof |
| CN104018822A (en) * | 2014-05-23 | 2014-09-03 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Oil well staged fracturing effect monitoring method |
| CN104277238A (en) * | 2013-07-12 | 2015-01-14 | 天津大学 | Binary fast porous high-oil-absorption resin and preparation method thereof |
| CN104693592A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气集团公司 | Preparation method for copolymethacrylate/polypropylene composite oil-absorbing material |
-
2015
- 2015-07-17 CN CN201510423037.XA patent/CN105085780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215355A (en) * | 2008-01-09 | 2008-07-09 | 苏州大学 | High oil absorption resin and synthetic method thereof |
| CN104277238A (en) * | 2013-07-12 | 2015-01-14 | 天津大学 | Binary fast porous high-oil-absorption resin and preparation method thereof |
| CN104693592A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气集团公司 | Preparation method for copolymethacrylate/polypropylene composite oil-absorbing material |
| CN103752289A (en) * | 2014-01-26 | 2014-04-30 | 福州大学 | Organic solvent absorbing agent and preparation method thereof |
| CN104018822A (en) * | 2014-05-23 | 2014-09-03 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | Oil well staged fracturing effect monitoring method |
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| CN105085780B (en) | 2018-02-02 |
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