CN109054787A - A kind of plugging material of organic/inorganic composite - Google Patents
A kind of plugging material of organic/inorganic composite Download PDFInfo
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- CN109054787A CN109054787A CN201810938080.3A CN201810938080A CN109054787A CN 109054787 A CN109054787 A CN 109054787A CN 201810938080 A CN201810938080 A CN 201810938080A CN 109054787 A CN109054787 A CN 109054787A
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- epoxy resin
- plugging material
- diluent
- promotor
- curing agent
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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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The present invention is a kind of plugging material of organic/inorganic composite.The plugging material is to mix epoxy resin, diluent, curing agent, promotor and inorganic filler at room temperature, is solidified at 40-80 DEG C.The present invention controls curing reaction by multiple functionality epoxide resin, adjusts density by inorganic filler, the plugging material compression strength of preparation is higher, density is adjustable, gas well can effectively be blocked, preparation method is simple, is easy to site operation, solidfied material is free of harmful volatile matter, is conducive to environmental protection.
Description
Technical field
The present invention relates to gas well blocking technology fields, furtherly, are related to a kind of closure material of organic/inorganic composite
Material.
Background technique
For the lithology on shale gas stratum based on mud shale, clay mineral content is high, and water swelling, stress equilibrium goes to pot,
Cause borehole well instability, rock stratum to be peeled off in recovery process to collapse, pollute oil-gas storage, block gas channel, reduces storage permeability,
It needs to block the borehole wall thus.Cement is using earliest and using most sealing agents.CN105018054A is related to a kind of oil gas
Well sealing sealing agent, using aluminate cement 80~89%, quartz sand or flyash 0.1~10%, wood fiber or walnut shell
Powder 0.1~5%, inorfil asbestos or basalt 0.1~5% solidify 4h, compression strength under 30 DEG C and 20.7MPa pressure
For 7.8~14MPa.CN106995686A discloses a kind of controllable gelling sealing agent, by sulphate aluminium cement 100%, polypropylene
Fiber 3~5%, barium monoxide or sodium aluminate 2~4% are uniformly mixed at 20~30 DEG C, solidify 8h within the scope of 60~80 DEG C, are resisted
Compressive Strength reaches 15.2~15.4MPa.
With the exploitation to deep-well, all kinds of Holes of Complicated Wells, the compression strength of plugging material is required higher and higher.Cement slurry by
Excessively high in density, annular space head of liquid is excessive, causes formation breakdown that mud occurs and misses, and pollution storage reduces density, improves by force
It spends especially necessary.CN105694796A discloses a kind of polyurethane clay, main component be polyurethane modified epoxy resin 50~
100%, diethylenetriamine 50%, mica powder 7.5~22.5%, Al2O3Solidify 7 days at 85~275%, 25 DEG C, compression strength is
40MPa, density 2.0g/cm3.CN107216609A is related to a kind of fast blockage epoxide resin grouting material, and main component is
Bisphenol A type epoxy resin E-51 and E-44, benzyl glycidyl ether 10~20%, curing agent (810/T31) 30~40%, promote
Agent 1~3%, the grouting material obtained after mixing according to a certain percentage at 20 DEG C after underwater curing 28 days, solidfied material it is anti-
Compressive Strength is 83.5~87.5M, density 1.11g/cm3.CN105001596A discloses a kind of packer material of well cementing operation,
Bisphenol f type epoxy resin (NPEL-128) 100%, n-butyl glycidyl ether or cyclohexanedimethanodiglycidyl diglycidyl ether 67~
100%, diethyl dimethylaniline 33~56%, manganese mineral powder or glass microballoon 20~100%, the pressure resistance after solidifying at 135 DEG C
Degree is 32~85MPa, and density is 0.8~1.8g/cm3。
A kind of plugging material of organic/inorganic composite of invention, epoxy resin, diluent, curing agent, promotion
Agent is compound with inorganic filler, solidifies at 40-80 DEG C, and compression strength reaches 51~77.5MPa, and density is in 0.89~1.04g/cm3
Between it is adjustable.
Summary of the invention
The purpose of the present invention is to provide a kind of plugging materials of organic/inorganic composite.The plugging material is by epoxy
Resin, diluent, curing agent, promotor and inorganic filler mix at room temperature, solidify at 40-80 DEG C, pass through polyfunctionality ring
Oxygen pitch control curing reaction, adjusts density by inorganic filler.Plugging material compression strength prepared by the present invention is higher, density
It is adjustable, gas well can effectively be blocked.
The technical solution of the present invention is as follows:
A kind of plugging material of organic/inorganic composite, raw material include epoxy resin, diluent, curing agent, promotor,
Inorganic filler, raw material proportioning are as follows:
The ordinary epoxy resin is one or both of bisphenol A type epoxy resin E-51, E-44, diluent 1,
One or both of 4- butanediol diglycidyl ether, ethylene glycol diglycidylether, butyl glycidyl ether, promotor are
2,4,6- tri- (dimethylamino methyl) phenol, curing agent are polyamide 6 50, N, accelerine and modified fatty amine 593
It is one or two kinds of.
The multiple functionality epoxide resin is tetra functional epoxy resin N, N, N ',-four glycidyl -4 N ', 4 '-two
Diaminodiphenylmethane, tetra functional epoxy resin N, N, N ', N '-four (oxiranylmethyl radical) -1,3- benzene dimethylamine and three officials
One or both of energy degree epoxy resin 3- (2,3- glycidoxy)-N, N- bis- (2,3- glycidyl) aniline.
The inorganic filler is one or both of floating bead, hollow glass micropearl, is handled with silane coupling agent, density
For 0.25~0.60g/cm3。
The preparation method of the plugging material, includes the following steps:
(1) epoxy resin and diluent are stirred evenly in agitator tank, is stood；
(2) silane coupling agent treated inorganic filler is added, stirs evenly；
(3) curing agent, promotor are added into agitator tank, stirs evenly, stands, eliminates bubble；
(4) material after casting is solidified at a certain temperature.
The beneficial effects of the present invention are:
(1) intensity of the plugging material of organic/inorganic composite of the invention is higher, and compression strength is 51~77.5MPa.
(2) density of the plugging material of organic/inorganic composite of the invention is in 0.89~1.04g/cm3It can in range
It adjusts, gas well can be effectively blocked.
(3) plugging material preparation method of the invention is simple, is easy to site operation.
(4) solidfied material is free of harmful volatile matter, is conducive to environmental protection.
Specific embodiment
It is further illustrated below with reference to example:
Embodiment one
100 parts of epoxy resin E-51,2 parts of tetra functional epoxy resin N, N, N ',-four glycidyl -4 N ', 4 '-diamino
Diphenyl-methane and 32 parts of 1,4-butanediol diglycidyl ether are added in agitator tank and are stirred, and 5 parts of treated floating beads, stirring is added
35 parts of polyamide 6s, 50,2 part 2,4,6- tri- (dimethylamino methyl) phenol is added after uniformly.It stirs evenly, is poured after removing bubble
Note.The closure material prepared solidifies 72h at 40 DEG C.
Measure compression strength and elasticity modulus: measuring method is referring to GB/T 2567-2008.
Density measure: measuring method is referring to GB/T 6343-2009.
Embodiment two
Implementation steps with example one, the difference is that: by tetra functional epoxy resin N, N, N ',-four glycidyl -4 N ',
4 '-diaminodiphenylmethane replace with three-functionality-degree epoxy resin 3- (2,3- glycidoxy)-N, N- bis- (2,3- epoxies third
Base) aniline, floating bead is changed to 10 parts by 5 parts, and 2,4,6- tri- (dimethylamino methyl) phenol are changed to 1.3 parts by 2 parts.Condition of cure is
Solidify 36h at 60 DEG C.
Performance measurement: method is the same as embodiment one.
Embodiment three
Implementation steps with example one, the difference is that: tetra functional epoxy resin N, N, N ',-four glycidyl -4 N ',
4 '-diaminodiphenylmethane are changed to 5 parts by 2 parts, and 1,4-butanediol diglycidyl ether replaces with butyl glycidyl ether, floating bead
15 parts are changed to by 5 parts, 35 parts of polyamide 6s 50 replace with 30 parts of modified fatty amines, 593,2,4,6- tri- (dimethylamino methyl) phenol
1.3 parts are changed to by 2 parts.Condition of cure is to solidify 36h at 60 DEG C.
Performance measurement: method is the same as embodiment one.
Example IV
Implementation steps with example one, the difference is that: 2 parts of tetra functional epoxy resin N, N, N ' ,-four glycidyl of N '-
4,4 '-diaminodiphenylmethane are changed to 8 parts, and floating bead is changed to 20 parts by 5 parts, and 35 parts of polyamide 6s 50 replace with 30 parts of modified fats
593,2,4,6- tri- (dimethylamino methyl) phenol of amine is changed to 0.7 part by 2.Condition of cure is to solidify for 24 hours at 80 DEG C.
Performance measurement: method is the same as embodiment one.
The property and performance of the plugging material of subordinate list organic/inorganic composite of the present invention
| Embodiment one | Embodiment two | Embodiment three | Example IV | |
| Condition of cure | 40 DEG C, 72h | 60 DEG C, 36h | 60 DEG C, 36h | 80 DEG C, for 24 hours |
| Compression strength/MPa | 55.4 | 64.1 | 77.5 | 68.7 |
| Elasticity modulus/GPa | 2.3 | 3.2 | 2.8 | 2.7 |
| Density g/cm3 | 1.04 | 0.99 | 0.93 | 0.89 |
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
A specific embodiment of the invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute
Claims of submission determine scope of patent protection.
Unaccomplished matter of the present invention is well-known technique.
Claims (4)
1. a kind of plugging material of organic/inorganic composite, raw material includes epoxy resin, diluent, curing agent, promotor, nothing
Machine filler, raw material proportioning are as follows:
The ordinary epoxy resin is one or both of bisphenol A type epoxy resin E-51, E-44, and diluent is Isosorbide-5-Nitrae-fourth
One or both of Hexanediol diglycidyl ether, ethylene glycol diglycidylether, butyl glycidyl ether, promotor 2,4,
6- tri- (dimethylamino methyl) phenol, curing agent are one kind of polyamide 6 50, N, accelerine and modified fatty amine 593
Or two kinds.
2. multiple functionality epoxide resin as described in claim 1 is tetra functional epoxy resin N, N, N ' ,-four epoxy third of N '
4,4 '-diaminodiphenylmethane of base -, tetra functional epoxy resin N, N, N ', N '-four (oxiranylmethyl radical) -1,3- benzene two
One of methylamine and three-functionality-degree epoxy resin 3- (2,3- glycidoxy)-N, N- bis- (2,3- glycidyl) aniline or two
Kind.
3. inorganic filler as described in claim 1 is one or both of floating bead, hollow glass micropearl, silane coupling agent is used
Processing, density are 0.25~0.60g/cm3。
4. the preparation method of plugging material as described in claim 1, includes the following steps:
(1) epoxy resin and diluent are stirred evenly in agitator tank, is stood；
(2) silane coupling agent treated inorganic filler is added, stirs evenly；
(3) curing agent, promotor are added into agitator tank, stirs evenly, stands, eliminates bubble；
(4) material after casting is solidified at a certain temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810938080.3A CN109054787A (en) | 2018-08-17 | 2018-08-17 | A kind of plugging material of organic/inorganic composite |
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| CN201810938080.3A CN109054787A (en) | 2018-08-17 | 2018-08-17 | A kind of plugging material of organic/inorganic composite |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943302A (en) * | 2019-03-28 | 2019-06-28 | 长江大学 | A kind of chemical plugging rubber plug and its preparation method and application |
| CN110003864A (en) * | 2019-04-03 | 2019-07-12 | 新疆格瑞迪斯石油技术股份有限公司 | Leak stopping sealing agent and preparation method thereof in a kind of drilling fluid |
| CN110105935A (en) * | 2019-05-10 | 2019-08-09 | 陕西鼎和源瑞环境工程有限公司 | A kind of high strength multifunctional blocking agent |
| CN111205837A (en) * | 2020-01-14 | 2020-05-29 | 郑州大学 | Single-component annular plugging agent and application method thereof |
| CN116200184A (en) * | 2022-12-06 | 2023-06-02 | 中塑新材料技术(吉林)有限公司 | Petroleum fracturing propping agent and preparation method thereof |
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| CN103194149A (en) * | 2013-04-17 | 2013-07-10 | 上海东方雨虹防水工程有限公司 | Encapsulating sealant of joggle beam structure, as well as preparation thereof and use method |
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| CN1042935A (en) * | 1989-11-18 | 1990-06-13 | 赣西化工厂 | High temperature resistant instant caulk adhesive and compound method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943302A (en) * | 2019-03-28 | 2019-06-28 | 长江大学 | A kind of chemical plugging rubber plug and its preparation method and application |
| CN109943302B (en) * | 2019-03-28 | 2021-01-26 | 长江大学 | Chemical plugging rubber plug and preparation method and application thereof |
| CN110003864A (en) * | 2019-04-03 | 2019-07-12 | 新疆格瑞迪斯石油技术股份有限公司 | Leak stopping sealing agent and preparation method thereof in a kind of drilling fluid |
| CN110105935A (en) * | 2019-05-10 | 2019-08-09 | 陕西鼎和源瑞环境工程有限公司 | A kind of high strength multifunctional blocking agent |
| CN111205837A (en) * | 2020-01-14 | 2020-05-29 | 郑州大学 | Single-component annular plugging agent and application method thereof |
| CN116200184A (en) * | 2022-12-06 | 2023-06-02 | 中塑新材料技术(吉林)有限公司 | Petroleum fracturing propping agent and preparation method thereof |
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Inventor after: Zhang Fuqiang Inventor after: Liu Peng Inventor after: Guo Hongfei Inventor after: Su Lulu Inventor after: Cui Qiqi Inventor before: Guo Hongfei Inventor before: Liu Peng Inventor before: Su Lulu Inventor before: Cui Qiqi Inventor before: Zhang Fuqiang |
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Application publication date: 20181221 |