CN105085806B - A kind of polystyrene butene dioic acid dibutyl ester and preparation method and application - Google Patents
A kind of polystyrene butene dioic acid dibutyl ester and preparation method and application Download PDFInfo
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Abstract
The invention provides a kind of polystyrene butene dioic acid dibutyl ester and preparation method and application.The preparation method is included using styrene and butene dioic acid dibutyl ester as reaction monomers, in the presence of polyvinyl alcohol and azodiisobutyronitrile, carries out polymerisation by decentralized medium of water, obtains the polystyrene butene dioic acid dibutyl ester.Present invention also offers the polystyrene butene dioic acid dibutyl ester being prepared by above-mentioned preparation method, the polystyrene butene dioic acid dibutyl ester to prepare horizontal well oil-producing profile monitoring tracer of the horizontal well oil-producing profile monitoring with the application of tracer and containing the polystyrene butene dioic acid dibutyl ester.The polystyrene butene dioic acid dibutyl ester of the present invention can be dissolved completely in crude oil, use it for each section of oil-producing situation after level monitoring well multistage fracturing, can be reached every section of oil-producing situation of analysis and be drawn the purpose of every section of oil-producing liquid section.
Description
Technical field
The present invention relates to a kind of polystyrene butene dioic acid dibutyl ester and preparation method and application, belong to oil exploration and open
Send out technical field.
Background technology
At present during In Oil Field Exploration And Development, prospect pit uses horizontal well more, and multi-layer multi-stage pressure break is stratum transformation
Preferred technique, but during being selected in layer position, all it is to select to be layered by experience without specific aim, therefore for pressure break
Data acquisition and issuance fracturing effect afterwards is just particularly important.In the prior art, micro seismic method, potentiometry etc. can be passed through
Method monitor and analysis pressure break after fracture intensity, then whether have a commercial oil by the row's of returning situation awareness reservoir, but for
Each section of oil-producing situation is still without effective monitoring method after staged fracturing.
Therefore, a kind of process of each section of oil-producing situation after level monitoring well multistage fracturing is developed to fracturing effect
Evaluation and the deployment of next step well location have great importance.
Multistage fracturing technique building technology and its related corollary equipment are ripe, have realized 30 grades of pressure breaks, state in the world
Interior maximum pressure break series is more than 15 grades.Because pressure break series is more, had differences in addition in long horizontal sections, physical property, every grade of pressure
Evaluation and next step well site deployment of the rear discharge opeing situation for fracturing effect is split to have great importance, but for staged fracturing after
Each section of oil-producing situation does not have effective monitoring method.Because current largest domestic pressure break series is more than 15 grades, correspondingly need
Want more than 15 kinds of horizontal well oil-producing profile monitoring tracer.Existing oil field is water-soluble tracer with tracer, and
And the species of tracer is few, dosage is big, the monitoring of each section of oil-producing situation after horizontal well multi-layer multi-stage pressure break is not suitable for.
Therefore, a kind of suitable horizontal well oil-producing profile monitoring tracer is developed as this area urgent need to resolve
Technical problem.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of system of polystyrene butene dioic acid dibutyl ester
Preparation Method.
The present invention also aims to provide a kind of preparation method preparation by above-mentioned polystyrene butene dioic acid dibutyl ester
Obtained polystyrene butene dioic acid dibutyl ester.
The present invention also aims to provide a kind of above-mentioned polystyrene butene dioic acid dibutyl ester to prepare horizontal well oil-producing
The application of profile monitoring tracer.
The present invention also aims to provide a kind of horizontal well oil-producing for including above-mentioned polystyrene butene dioic acid dibutyl ester
Profile monitoring tracer.
For the above-mentioned purpose, the invention provides a kind of preparation method of polystyrene butene dioic acid dibutyl ester, this method
Including using styrene and butene dioic acid dibutyl ester as reaction monomers, in the presence of polyvinyl alcohol and azodiisobutyronitrile, with water
Polymerisation is carried out for decentralized medium, obtains the polystyrene butene dioic acid dibutyl ester；
Wherein, polyvinyl alcohol is dispersant, and azodiisobutyronitrile is initiator.
According to preparation method of the present invention, it is preferable that the butene dioic acid dibutyl ester includes Dibutyl Maleate
Ester or dibutyl fumarate；
It is also preferred that dibutyl maleate includes maleic acid two (1- fourths) ester, maleic acid two (2- fourths)
Ester, (2- methyl isophthalic acids-the third) ester of maleic acid two or maleic acid two (2- methyl -2- third) ester；
The dibutyl fumarate includes fumaric acid two (1- fourths) ester, fumaric acid two (2- fourths) ester, anti-
(2- methyl isophthalic acids-the third) ester of butene dioic acid two or fumaric acid two (2- methyl -2- third) ester.
Wherein described butene dioic acid dibutyl ester ((CHCOOC4H9)2), polyvinyl alcohol ([C2H4O] n), styrene (C8H8) and
Azodiisobutyronitrile (C8H12N4) be this area conventional reagent, any commercially available butene dioic acid dibutyl ester commonly used in the art,
Polyvinyl alcohol, styrene and azodiisobutyronitrile may be used to the present invention.
The average degree of polymerization of above-mentioned polyvinyl alcohol is 2400-2500.
According to preparation method of the present invention, it is preferable that to react the whole material gross weights added as 100%
Meter, adding each weight of material percentage is respectively：Butene dioic acid dibutyl ester 20wt%-45wt%, styrene 2.5wt%-
5wt%, polyvinyl alcohol 0.1wt%-0.2wt%, azodiisobutyronitrile 0.2wt%-0.9wt%, surplus are water.
According to preparation method of the present invention, it is preferable that the reaction temperature of the polymerisation is 80 DEG C -90 DEG C, more
It is preferred that the reaction temperature is 85 DEG C.
According to preparation method of the present invention, it is preferable that the reaction time of the polymerisation is 8-10h, more preferably
The reaction time is 10h.
In the preparation process of polystyrene butene dioic acid dibutyl ester of the present invention, the change of reaction temperature and time are to its shadow
Ring less, as long as by reaction temperature control at 80 DEG C -90 DEG C, the reaction time is controlled in 8-10h.
According to preparation method of the present invention, it is preferable that methods described includes：Polyvinyl alcohol is dissolved into water first
In, the mixed solution of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile is added, is reacted after the completion of addition and obtains described gather
Butylene styrene adipate.
According to preparation method of the present invention, it is preferable that methods described includes：Polyvinyl alcohol is dissolved into 80 first
In DEG C -90 DEG C of hot water, the mixed solution of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile is added.
According to preparation method of the present invention, it is preferable that methods described includes：Polyvinyl alcohol is dissolved into water first
In, 80 DEG C of -90 DEG C of constant temperature 20-30min are warming up to, add the mixed of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile
Close solution.
According to preparation method of the present invention, it is preferable that described to be incorporated as being added dropwise；It is highly preferred that the speed being added dropwise is
5-10 drops/min, rate of addition is too fast to easily cause viscous kettle.
According to preparation method of the present invention, it is preferable that methods described also includes：The polystyrene is obtained in reaction
After butene dioic acid dibutyl ester, it is cooled to room temperature and discharges again.
Present invention also offers the polyphenyl second that the preparation method by above-mentioned polystyrene butene dioic acid dibutyl ester is prepared
Alkene butene dioic acid dibutyl ester.
Present invention also offers above-mentioned polystyrene butene dioic acid dibutyl ester to prepare horizontal well oil-producing profile monitoring with showing
The application of track agent.
According to application of the present invention, during multistage fracturing, variety classes is mixed into every section of fracturing propping agents
Solid oil-soluble tracer particles, with the output of crude oil, solid oil-soluble tracer particles constantly can be dissolved in crude oil, lead to
The concentration of tracer in undue analysis production fluid, it is possible to reach every section of oil-producing situation of analysis and draw the mesh of every section of oil-producing liquid section
's.
Present invention also offers a kind of horizontal well oil-producing profile monitoring tracer, the tracer includes above-mentioned polyphenyl second
Alkene butene dioic acid dibutyl ester.
The horizontal well oil-producing profile monitoring being prepared by polystyrene butene dioic acid dibutyl ester of the present invention is with tracer
Oil-soluble tracer, it can be dissolved completely in crude oil, and when concentration is low, accuracy of detection is high, and dosage is low.In multistage fracturing process
In, every section is mixed into different types of solid oil-soluble tracer particles in fracturing propping agents, with the output of crude oil, solid oil
Dissolubility tracer particles are constantly dissolved in crude oil, by analyzing the dense of polystyrene butene dioic acid dibutyl ester tracer in production fluid
Degree, every section of oil-producing situation of analysis can be reached and draw the purpose of every section of oil-producing liquid section.
Embodiment
The implementation process of the present invention and caused beneficial effect will be explained by specific embodiment below, it is intended to
Help reader more fully understand the present invention essence and feature, but not as to this case can practical range restriction.
Embodiment 1
A kind of preparation method of polystyrene maleic acid two (1- fourths) ester is present embodiments provided, it includes following step
Suddenly：
A, 0.1g polyvinyl alcohol (average degree of polymerization 2400-2500) is dissolved into 55g hot water, is warming up to 85 DEG C of perseverances
Warm 30min, obtain the aqueous solution of polyvinyl alcohol；
B, 40g maleic acids two are slowly added dropwise into the aqueous solution of above-mentioned polyvinyl alcohol with 5-10 drops/min speed again
The mixed solution of (1- fourths) ester, 4g styrene and 0.9g azodiisobutyronitriles, reacts 10h after being added dropwise to complete, is cooled to room temperature and goes out
Material, obtains polystyrene maleic acid two (1- fourths) ester, its particle diameter is 0.600mm-0.850mm (mesh of 20 mesh -30).
Embodiment 2
The present embodiment provides a kind of preparation method of polystyrene maleic acid two (1- fourths) ester, and it includes following step
Suddenly：
A, 0.15g polyvinyl alcohol (average degree of polymerization 2400-2500) is dissolved into 65g hot water, is warming up to 85 DEG C
Constant temperature 30min, obtain the aqueous solution of polyvinyl alcohol；
B, 30g maleic acids two are slowly added dropwise into the aqueous solution of above-mentioned polyvinyl alcohol with 5-10 drops/min speed again
The mixed solution of (1- fourths) ester, 3g styrene and 0.6g azodiisobutyronitriles, reacts 10h after being added dropwise to complete, is cooled to room temperature and goes out
Material, obtains polystyrene maleic acid two (1- fourths) ester, its particle diameter is 0.300mm-0.600mm (mesh of 30 mesh -50).
Embodiment 3
A kind of preparation method of polystyrene maleic acid two (1- fourths) ester is present embodiments provided, it includes following step
Suddenly：
A, 0.2g polyvinyl alcohol (average degree of polymerization 2400-2500) is dissolved into 75g hot water, is warming up to 85 DEG C of perseverances
Warm 30min, obtain the aqueous solution of polyvinyl alcohol；
B, 20g maleic acids two are slowly added dropwise into the aqueous solution of above-mentioned polyvinyl alcohol with 5-10 drops/min speed again
The mixed solution of (1- fourths) ester, 2g styrene and 0.3g azodiisobutyronitriles, reacts 10h after being added dropwise to complete, is cooled to room temperature and goes out
Material, obtains polystyrene maleic acid two (1- fourths) ester, its particle diameter is 0.212mm-0.300mm (mesh of 50 mesh -70).
Embodiment 4
Present embodiments provide the polystyrene maleic two that above-described embodiment 1, embodiment 2 and embodiment 3 are prepared
Sour two (1- fourths) esters prepare the application of horizontal well oil-producing profile monitoring tracer, the application process can be more with level monitoring well
Each section of oil-producing situation after level pressure break, it comprises the following steps：
(the 1- of polystyrene maleic acid two that 0.1g embodiments 1, embodiment 2 and embodiment 3 are prepared respectively
Fourth) ester oil dissolubility tracer is dissolved in the emerging buried hill block crude oil of 100g, 70 DEG C are warming up to so that tracer dissolves in a solvent
Speed improves, and shortens evaluation time, treats that polystyrene maleic acid two (1- fourths) ester oil dissolubility tracer is completely dissolved mixing
After uniformly, the above-mentioned mixed solution of 1g is taken, dilutes 20 times using petroleum ether, then with polyphenyl second in gas chromatograph-mass spectrometer determination sample
The content of alkene maleic acid two (1- fourths) ester oil dissolubility tracer, test result are as shown in table 1.
Polystyrene maleic acid two (1- fourths) ester measurement result in the sample of table 1
Claims (11)
1. polystyrene butene dioic acid dibutyl ester is preparing the application of horizontal well oil-producing profile monitoring tracer, the polyphenyl second
The preparation method of alkene butene dioic acid dibutyl ester is included using styrene and butene dioic acid dibutyl ester as reaction monomers, in polyvinyl alcohol and
In the presence of azodiisobutyronitrile, polymerisation is carried out by decentralized medium of water.
2. application according to claim 1, wherein, counted using reacting the whole material gross weights added as 100%, it is added
Entering each weight of material percentage is respectively：Butene dioic acid dibutyl ester is 20wt%-45wt%, styrene 2.5wt%-5wt%,
Polyvinyl alcohol is 0.1wt%-0.2wt%, azodiisobutyronitrile 0.2wt%-0.9wt%, and surplus is water.
3. application according to claim 1 or 2, wherein, the reaction temperature of the polymerisation is 80 DEG C -90 DEG C.
4. application according to claim 1 or 2, wherein, the reaction time of the polymerisation is 8-10h.
5. application according to claim 1 or 2, wherein, the butene dioic acid dibutyl ester includes dibutyl maleate
Or dibutyl fumarate.
6. application according to claim 5, wherein, the dibutyl maleate includes maleic acid two (1- fourths)
Ester, maleic acid two (2- fourths) ester, (2- methyl isophthalic acids-the third) ester of maleic acid two or the (2- methyl -2- of maleic acid two
The third) ester；
The dibutyl fumarate includes fumaric acid two (1- fourths) ester, fumaric acid two (2- fourths) ester, anti-butylene
(2- methyl isophthalic acids-the third) ester of diacid two or fumaric acid two (2- methyl -2- third) ester.
7. application according to claim 1 or 2, wherein, the preparation method includes：Polyvinyl alcohol is dissolved into water first
In, the mixed solution of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile is added, is reacted after the completion of addition and obtains described gather
Butylene styrene adipate.
8. application according to claim 7, wherein, it is described to be incorporated as being added dropwise.
9. application according to claim 8, wherein, the speed of the dropwise addition is 5-10 drops/min.
10. application according to claim 7, wherein, the preparation method includes：Polyvinyl alcohol is dissolved into 80 first
In DEG C -90 DEG C of hot water, the mixed solution of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile is added.
11. application according to claim 7, wherein, the preparation method includes：Polyvinyl alcohol is dissolved into water first
In, 80 DEG C of -90 DEG C of constant temperature 20-30min are warming up to, add the mixed of butene dioic acid dibutyl ester, styrene and azodiisobutyronitrile
Close solution.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1795845A1 (en) * | 1964-06-27 | 1976-11-25 | Texaco Ag | METHOD FOR MANUFACTURING THERMOPLASTIC COPOLYMERIZES FROM STYRENE AND FUMAR ACID ESTERS OF SECONDARY ALCOHOLS |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5197661A (en) * | 1975-02-25 | 1976-08-27 | BINIRUKEIKYOJUGOTAINO ZORYUHOHO | |
| CN101215355B (en) * | 2008-01-09 | 2010-08-11 | 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 |
| CN103752289B (en) * | 2014-01-26 | 2016-03-09 | 福州大学 | A kind of organic solvent absorbent and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1795845A1 (en) * | 1964-06-27 | 1976-11-25 | Texaco Ag | METHOD FOR MANUFACTURING THERMOPLASTIC COPOLYMERIZES FROM STYRENE AND FUMAR ACID ESTERS OF SECONDARY ALCOHOLS |
| 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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