CN108728071A - Film-forming type resistance to erosion control sand agent emulsion - Google Patents
Film-forming type resistance to erosion control sand agent emulsion Download PDFInfo
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- CN108728071A CN108728071A CN201710264257.1A CN201710264257A CN108728071A CN 108728071 A CN108728071 A CN 108728071A CN 201710264257 A CN201710264257 A CN 201710264257A CN 108728071 A CN108728071 A CN 108728071A
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- film
- type resistance
- erosion control
- forming type
- control sand
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/56—Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof
- C09K8/57—Compositions based on water or polar solvents
- C09K8/575—Compositions based on water or polar solvents containing organic compounds
- C09K8/5751—Macromolecular compounds
- C09K8/5755—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/56—Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof
- C09K8/57—Compositions based on water or polar solvents
- C09K8/572—Compositions based on water or polar solvents containing inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/10—Nanoparticle-containing well treatment fluids
Abstract
The invention discloses a kind of film-forming type resistance to erosion control sand agent emulsions, are prepared by the following method to obtain：（1）Resin particle is placed in organic solvent, the organic solution of resin is prepared into；The resin particle is selected from polyamide；（2）Nano particle is placed in water, aqueous nanoparticle dispersion liquid is prepared；（3）OP surfactants are added in aqueous nanoparticle dispersion liquid, aqueous surfactant solution is prepared into；（4）The organic solution of resin is mixed into mixing with aqueous surfactant solution under stirring condition.The film-forming type resistance to erosion control sand agent emulsion of the present invention, applied to oil well filling sand control, it is precipitated automatically in gravel packing zone pore water wet structure and generates adhesive film, keep filling sand body stability, effectively solve the problems, such as that oil well productivity caused by reservoir fine migration blocking gravel packing zone declines rapid；Section plug pump note technique promotes to generate adhesive film, neither injures reservoir permeability, keeps compared with high flow conductivity, and significantly improves filling sand body stability.
Description
Technical field
The present invention relates to a kind of sand control pack chemical agent more particularly to a kind of film-forming type resistance to erosion control sand agent emulsions, belong to
In petroleum works technical field.
Background technology
Reservoir fine migration is adjoint in each stage of petroleum production engineering, when fluid-flow rate is more than particle in hole in reservoir
When the maximum critical flow velocity of migration, a series of serious problems from stratum to ground can be caused, such as：Reservoir productivity successively decreases fast
Speed, filter sand blockage, holddown, the increase of ground solid pollutant etc..The suppression sand agent of now widely used cationic polymer due to
Limitation in structure and performance has not adapted to current big pump extract, long-acting sand control and acidification and has been wanted to fine migration control
It asks.Therefore, it is necessary to provide a kind of new sand control pack chemical agent.
Invention content
It for the above-mentioned prior art, can be in oil reservoir the present invention provides a kind of film-forming type resistance to erosion control sand agent emulsion
And there is the generation of gravel packing zone pore surface excellent particle to fix, the adhesive film of superpower resistance to erosion ability, effectively solve reservoir
Oil well productivity declines rapid problem caused by fine migration blocks gravel packing zone, significantly improves sand control pack effect, promotes
It has a extensive future.
The present invention is achieved by the following technical solutions：
A kind of film-forming type resistance to erosion control sand agent emulsion, is prepared by the following method to obtain：
(1) resin particle is placed in organic solvent, is prepared into the organic solution of resin；
The resin particle is selected from polyamide (when practical application, select commercially available benzene molten or alcohol contains intermingle with amide industrial goods)；Institute
State organic solvent and be selected from benzene, toluene, diformazan Benzene and Homologues, mix benzene (by benzene, toluene, two kinds in diformazan Benzene and Homologues
The benzene mixed of composition described above), acetone, ethyl alcohol, positive structure or isomery alcohol of the carbon chain lengths less than 14；The resin particle with it is organic molten
The weight ratio of agent is 1：3~5；
(2) powdered nanoparticles particle is placed in water, prepares aqueous nanoparticle dispersion liquid；The nano particle is selected from swelling
Soil, hectorite, silica, any one of positive colloid or two or more combinations；The weight ratio of the nano particle and water
It is 0.5~2.0：100；
(3) OP surfactants are added in aqueous nanoparticle dispersion liquid, are prepared into aqueous surfactant solution；The OP
Surfactant is selected from OP-10, OP-13, OP-15, any one of OP-20, OP-30 etc. or two or more combinations；It is described
The volume ratio of OP surfactants and aqueous nanoparticle dispersion liquid is 1:10；
(4) under stirring condition, the organic solution of resin is mixed into mixing (preferably mixing speed with aqueous surfactant solution
It is 3000 revolutions per seconds, mixing time 10min) to get；The organic solution of resin and the volume ratio of aqueous surfactant solution are 3
~7：7~3.
It is viscous that generation is precipitated in gravel packing zone pore water wet structure in the film-forming type resistance to erosion control sand agent emulsion of the present invention automatically
Property film (polyamide and gravel, quartz sand surface hydrogen bond and electrical suction-operated, adhesive film fixation in situ particle displaing micro picture is as schemed
Shown in 1), filling sand body stability is kept, while effectively oil well caused by solution reservoir fine migration blocking gravel packing zone produces
Rapid problem can be declined；Section plug pump note technique promotes to generate adhesive film, neither injures reservoir permeability, keeps higher
Flow conductivity, and filling sand body stability is significantly improved, facilitate construction.
The film-forming type resistance to erosion control sand agent emulsion of the present invention washes away discharge capacity and reaches 7000ml/h, outlet sand content < 0.5g/L
(evaluation method uses in Q/SH1020 2377-2015 5.5)；It is applicable in reservoir and permeates > 10md, rock core permeates retention rate >
90% (evaluation method uses in Q/SLCG0097-2014 4.7)；Extend sand control measure oil-water well term of validity > half a year.
The film-forming type resistance to erosion control sand agent emulsion of the present invention, is mainly used in oil well filling sand control, has safety and environmental protection, applies
Work is simple, film forming, the features such as resistance to erosion ability is strong immediately, and application value is big, strong applicability.
Description of the drawings
Fig. 1：Film-forming type resistance to erosion control sand agent emulsion adhesive film fixation in situ particle displaing micro picture.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated.
Involved instrument, reagent, material etc., are existing in the prior art unless otherwise noted in following embodiments
Conventional instrument, reagent, material etc., can be obtained by regular commercial sources.Involved experimental method in following embodiments, inspection
Survey method etc. is unless otherwise noted existing routine experiment method in the prior art, detection method etc..
In following embodiments, polyamide is that the benzene of Anqing Hong Yu chemical industry Co., Ltd production contains intermingle with amide resin
Grain HY-108, HY-388, HY-308；Alcohol contains intermingle with amide resin particle HY-508 and the polyamide resin with similar structures and performance
Fat particle.
Embodiment 1 prepares film-forming type resistance to erosion control sand agent emulsion
20g alcohol is contained intermingle with amide resin particle HY-508 to be positioned in 80g alcohol solvents, stirs evenly, is prepared into polyamides
The organic solution of amine；1.5g lithium soap stone powders are positioned in 98.5g water, are stirred evenly, stand three days it is spare, be prepared into lithium soap
The aqueous dispersion of stone.0.5g OP-10 are positioned in hectorite aqueous dispersion.30g organic solutions and the surfaces 70g are lived
Property agent solution mixing is mixed under the conditions of high-speed stirred to get, 3000 turns/min of mixing speed, it is prepared by mixing time 10 minutes
Film-forming type resistance to erosion control sand agent nanoemulsions.
Embodiment 2 prepares film-forming type resistance to erosion control sand agent emulsion
30g benzene is contained intermingle with into amide resin particle HY-388 and is positioned over 70g mixed benzene solvent (benzene and dimethylbenzene volume ratio 1：1)
In, it stirs evenly, is prepared into the organic solution of polyamide.1g SiO 2 powders are positioned in 99g water, are stirred evenly, it is quiet
Set three days it is spare, be prepared into the aqueous dispersion of SiO 2 powder.0.5g OP-13 are positioned over aqueous silica dispersion
In system.50g organic solutions are mixed with 50g surfactant solutions under the conditions of high-speed stirred, 3000 turns/min of mixing speed,
Mixing time 10 minutes prepares film-forming type resistance to erosion control sand agent nanoemulsions.
Embodiment 3 prepares film-forming type resistance to erosion control sand agent emulsion
30g benzene is contained intermingle with amide resin particle HY-308 (high temperature resistant type) to be positioned in 70g xylene solvents, stirring is equal
It is even, it is prepared into the organic solution of polyamide.2.0g bentonite powder is positioned in 98g water, is stirred evenly, stand three days it is standby
With being prepared into the aqueous dispersion of bentonite powder.0.5g OP-15 are positioned in aqueous silica dispersion system.By 40g
Organic solution is mixed with 60g surfactant solutions under the conditions of high-speed stirred, 3000 turns/min of mixing speed, mixing time 10
Minute, prepare film-forming type resistance to erosion control sand agent nanoemulsions.
Film-forming type resistance to erosion control sand agent emulsion flushing resistance obtained by the above various embodiments, which can reach, to be washed away discharge capacity and reaches
7000ml/h, outlet sand content < 0.5g/L (evaluation method uses in Q/SH1020 2377-2015 5.5).The listed surfaces OP
Activating agent influences product flushing resistance little).It is applicable in reservoir and permeates > 10md, rock core permeates the (evaluations of retention rate > 90%
Method uses in Q/SLCG0097-2014 4.7)；Extend sand control measure oil-water well term of validity > half a year.Specific data are shown in Table 1,
Table 2.
Table 1 film-forming type resistance to erosion control sand agent emulsion (embodiment 1) adhesive film stablizes gravel packing zone particle performance data table
(evaluation method uses in Q/SH1020 2377-2015 5.5)
Table 2 film-forming type resistance to erosion control sand agent emulsion (embodiment 1) rock core permeates retention rate tables of data, and (evaluation method uses Q/
4.7 in SLCG0097-2014)
Although above-mentioned be described the specific implementation mode of the present invention in conjunction with the embodiments, not the present invention is protected
The limitation of range, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art
The various modifications or changes that can be made need not be made the creative labor still within protection scope of the present invention.
Claims (8)
1. a kind of preparation method of film-forming type resistance to erosion control sand agent emulsion, it is characterised in that：Include the following steps：
(1) resin particle is placed in organic solvent, is prepared into the organic solution of resin；
The resin particle is selected from polyamide；The organic solvent be selected from benzene, toluene, diformazan Benzene and Homologues, mix benzene, third
Ketone, ethyl alcohol, positive structure or isomery alcohol of the carbon chain lengths less than 14；The weight ratio of the resin particle and organic solvent is 1：3~5；
(2) nano particle is placed in water, prepares aqueous nanoparticle dispersion liquid；The nano particle be selected from bentonite, hectorite,
Silica, any one of positive colloid or two or more combinations；The weight ratio of the nano particle and water is 0.5~2.0：
100；
(3) OP surfactants are added in aqueous nanoparticle dispersion liquid, are prepared into aqueous surfactant solution；The surfaces OP
Activating agent is selected from OP-10, OP-13, OP-15, OP-20, any one of OP-30 or two or more combinations；The surfaces OP
The volume ratio of activating agent and aqueous nanoparticle dispersion liquid is 1:10；
(4) under stirring condition, the organic solution of resin is mixed with aqueous surfactant solution mixing to get；Resin it is organic
The volume ratio of solution and aqueous surfactant solution is 3~7：7~3.
2. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to claim 1, it is characterised in that：The polyamides
Amine is that benzene is molten or alcohol contains intermingle with amide.
3. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to claim 1, it is characterised in that：It is described organic
Solvent is selected from ethyl alcohol, dimethylbenzene, by benzene and dimethylbenzene by volume 1：The mixed benzene of 1 composition.
4. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to claim 1, it is characterised in that：The step
(4) in, stirring condition is specially：Mixing speed is 3000 revolutions per seconds, mixing time 10min.
5. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to any one of claims 1 to 4, feature exist
In：It is as follows：20g alcohol is contained intermingle with amide resin particle HY-508 to be positioned in 80g alcohol solvents, is stirred evenly, is made
The standby organic solution at polyamide；1.5g lithium soap stone powders are positioned in 98.5g water, are stirred evenly, three days spare, systems are stood
The standby aqueous dispersion at hectorite；0.5g OP-10 are positioned in hectorite aqueous dispersion；By 30g organic solutions with
70g surfactant solutions mix mixing to get, 3000 turns/min of mixing speed, mixing time 10 under the conditions of high-speed stirred
Minute, prepare film-forming type resistance to erosion control sand agent nanoemulsions.
6. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to any one of claims 1 to 4, feature exist
In：It is as follows：30g benzene is contained intermingle with amide resin particle HY-388 to be positioned in the mixed benzene solvents of 70g, stirs evenly, makes
The standby organic solution at polyamide, the mixed benzene are benzene and dimethylbenzene by volume 1：1 mixes；By 1g silicon dioxide powders
End is positioned in 99g water, is stirred evenly, stand three days it is spare, be prepared into the aqueous dispersion of SiO 2 powder；By 0.5g
OP-13 is positioned in aqueous silica dispersion system；By 50g organic solutions and 50g surfactant solutions in high-speed stirred item
It is mixed under part, 3000 turns/min of mixing speed, mixing time 10 minutes, prepares film-forming type resistance to erosion control sand agent nanoemulsions.
7. the preparation method of film-forming type resistance to erosion control sand agent emulsion according to any one of claims 1 to 4, feature exist
In：It is as follows：30g benzene is contained intermingle with amide resin particle HY-308 to be positioned in 70g xylene solvents, is stirred evenly,
It is prepared into the organic solution of polyamide；2.0g bentonite powder is positioned in 98g water, is stirred evenly, three days spare, systems are stood
The standby aqueous dispersion at bentonite powder；0.5g OP-15 are positioned in aqueous silica dispersion system；40g is organic molten
Liquid is mixed with 60g surfactant solutions under the conditions of high-speed stirred, 3000 turns/min of mixing speed, mixing time 10 minutes,
Prepare film-forming type resistance to erosion control sand agent nanoemulsions.
8. being prepared using the preparation method of the film-forming type resistance to erosion control sand agent emulsion described in any one of claim 1~7
Film-forming type resistance to erosion control sand agent emulsion.
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| CN201710264257.1A CN108728071B (en) | 2017-04-21 | 2017-04-21 | Film-forming type scouring-resistant sand control agent emulsion |
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| CN201710264257.1A CN108728071B (en) | 2017-04-21 | 2017-04-21 | Film-forming type scouring-resistant sand control agent emulsion |
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Cited By (3)
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| CN115991981A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Modified film-forming type scouring-resistant emulsion and application thereof |
| CN115991987A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Enhanced film-forming type scouring-resistant emulsion and technological method for improving acidification effect of oil field |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112175149A (en) * | 2019-07-02 | 2021-01-05 | 中国石油化工股份有限公司 | Polymer-resistant adsorbent and preparation method thereof |
| CN115991981A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Modified film-forming type scouring-resistant emulsion and application thereof |
| CN115991987A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Enhanced film-forming type scouring-resistant emulsion and technological method for improving acidification effect of oil field |
| CN115991987B (en) * | 2021-10-18 | 2024-03-22 | 中国石油化工股份有限公司 | Enhanced film-forming type scouring-resistant emulsion and technological method for improving acidification effect of oil field |
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