CN103571442B - A kind of preparation method and application of the clay inhibitor of melamine-derived - Google Patents
A kind of preparation method and application of the clay inhibitor of melamine-derived Download PDFInfo
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- CN103571442B CN103571442B CN201310575502.2A CN201310575502A CN103571442B CN 103571442 B CN103571442 B CN 103571442B CN 201310575502 A CN201310575502 A CN 201310575502A CN 103571442 B CN103571442 B CN 103571442B
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- melamine
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- clay
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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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
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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
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
Abstract
nullA kind of preparation method and application of the clay inhibitor of melamine-derived，In a kettle. melamine is scattered in solvent under normal temperature，Stirring downhill reaction still adds modifying agent，By reactant agitating heating，Reaction is cooled to room temperature after terminating，Decompression distillation is used to ooze to no liquid，I.e. obtain melamine derivative，Melamine derivative is mixed with potassium chloride，Grind uniformly，Obtain pulverulent solids goods，It is the clay inhibitor product of melamine-derived，During application, the clay inhibitor of melamine-derived is configured to solution by running water or Oil Field water，It is equipped with other auxiliary materials，Add in field operations fluid，Stir，Products obtained therefrom of the present invention is with carboxylate radical、Hydroxyl、The melamine derivative salt of quaternary ammonium salt，The most all cross electrostatic attraction effect and be attached to surface of clay，On the other hand exchanged by the exchangeable cations of ion exchange with surface of clay，Play the effect of good suppression clay swell.
Description
Technical field
The present invention relates to the preparation and application technical field of clay inhibitor, be specifically related to the preparation method and application of the clay inhibitor of a kind of melamine-derived.
Background technology
The main component of mud shale is clay mineral, the layer mineral montmorillonite that hydrous alumino silicates that wherein particle is superfine is constituted, and in its structure, active force between layers is more weak Van der Waals force, with hygroscopic expansion in water-base drilling fluid interaction process.The technical barrier that the borehole well instability that shale hydration expands and dispersion causes is always in drilling engineering, therefore bores in the water-base drilling fluid meeting mud shale stratum and must improve the drilling fluid inhibition to mud shale, farthest reduce the incidence of down hole problem.In existing shale inhibitor, amido inhibitor is embedded in clay interlayer well by its distinctive chemical adsorption, reduce clay and absorb the trend of moisture, and amine inhibitor by adjusting substituent or can introduce new functional group and optimizes molecular structure, performance has bigger room for promotion, is the most promising shale inhibitor of a class.
Summary of the invention
In order to provide oil field chemical nontoxic to environment, to oil reservoir fanout free region, it is an object of the invention to provide the preparation method and application of the clay inhibitor of a kind of melamine-derived, this compounds just has preferably suppression clay swell performance under low concentration, may be used for making the clay swell inhibitor in the links such as oil drilling, pressure break, acidifying, water filling.
In order to achieve the above object, the technical solution used in the present invention is:
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 5-100 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade and the product of above purity thereof, and described solvent is technical grade and the water of above purity, methyl alcohol, ethanol, DMF；
Second step, adding the modifying agent that ratio is 1-9:1 with melamine material amount in stirring downhill reaction still, described modifying agent is technical grade and the epoxychloropropane of above purity, sodium chloroacetate, potassium chloroacetate, ammonium chloroacetate, 2-chloroethyl-trimethyl ammonium chloride, 2-bromoethyl-trimethylammonium bromide, 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride and combinations thereof thing thereof；
3rd step, by agitating heating 2-8 hour at 60-140 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains melamine derivative,
4th step, mixes above-mentioned melamine derivative with potassium chloride according to mass ratio 1:1-10, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor product of melamine-derived, and described potassium chloride is technical grade and the product of above purity thereof.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived is configured to the solution that mass concentration is 0.1-4%, it is equipped with other auxiliary materials, add in field operations fluid, stirring, affiliated auxiliary material is the necessary material in drilling fluid, fracturing fluid, acidifying solution or reinjected water preparation in addition to clay swell inhibitor.
Due to the low murder by poisoning of raw material, the low cost of present invention employing, reaction simplicity, through one pot reaction, solvent for use is water or other Conventional solvents, and the solvent distilled after completion of the reaction can directly be reused, thus can be substantially reduced production cost.Products obtained therefrom is with carboxylate radical, hydroxyl, the melamine derivative salt of quaternary ammonium salt, have can be with the effect functional group of clay formation hydrogen bond simultaneously, it is adsorbed onto surface of clay, the quaternary ammonium salt cationic produced after melamine reaction simultaneously on the one hand can be by being attached to surface of clay with the negative electrical charge of surface of clay by electrostatic attraction effect, on the other hand can be exchanged by the exchangeable cations of ion exchange with surface of clay, enter clay interlayer, stop the entrance of hydrone, weaken hydration, finally play the effect of good suppression clay swell.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 10 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, adds the modifying agent that ratio is 4:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is the sodium chloroacetate of technical grade；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains epoxychloropropane modified melamine,
4th step, mixes above-mentioned epoxychloropropane modified melamine with potassium chloride according to mass ratio 1:1, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived being configured to the solution that mass concentration is 0.5%, be equipped with other auxiliary material, add in oil field reinjection water, stir, affiliated auxiliary material is corrosion inhibiting and descaling agent etc..
Embodiment 2
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 5 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is technical grade DMF；
Second step, adds the modifying agent that ratio is 5:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is the potassium chloroacetate of technical grade；
3rd step, by agitating heating 2 hours at 120 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that potassium chloroacetate is modified,
4th step, mixes the melamine that above-mentioned potassium chloroacetate is modified with potassium chloride according to mass ratio 1:2, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived being configured to the solution that mass concentration is 1%, be equipped with other auxiliary material, add in drilling fluid, stir, affiliated auxiliary material is thickener, fluid loss additive, lubricant etc..
Embodiment 3
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 50 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is chemical pure methyl alcohol；
Second step, adds the modifying agent that ratio is 6:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is technical grade and the ammonium chloroacetate of above purity thereof；
3rd step, by agitating heating 6 hours at 65 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that ammonium chloroacetate is modified,
4th step, mixes the melamine that above-mentioned ammonium chloroacetate is modified with potassium chloride according to mass ratio 1:1, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is for analyzing net product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived being configured to the solution that mass concentration is 0.6%, be equipped with other auxiliary material, add in oil field reinjection water, stir, affiliated auxiliary material is corrosion inhibiting and descaling agent etc..
Embodiment 4
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 80 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, adds the modifying agent that ratio is 4:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is technical grade 2-chloroethyl-trimethyl ammonium chloride；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 2-chloroethyl-trimethyl ammonium chloride is modified,
4th step, mixes the melamine that above-mentioned 2-chloroethyl-trimethyl ammonium chloride is modified with potassium chloride according to mass ratio 1:3, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived being configured to the solution that mass concentration is 0.3%, be equipped with other auxiliary material, add in oil field reinjection water, stir, affiliated auxiliary material is corrosion inhibiting and descaling agent etc..
Embodiment 5
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 100 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is industrial alcohol；
Second step, adds the modifying agent that ratio is 8:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is chemical pure 2-bromoethyl-trimethylammonium bromide；
3rd step, by agitating heating 4 hours at 80 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 2-bromoethyl-trimethylammonium bromide is modified,
4th step, mixes the melamine that above-mentioned 2-bromoethyl-trimethylammonium bromide is modified with potassium chloride according to mass ratio 1:2, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived is configured to the solution that mass concentration is 0.4%, is equipped with other auxiliary material, add in drilling fluid, stirring, affiliated auxiliary material is thickener, fluid loss additive, lubricant etc..
Embodiment 6
The preparation method of the clay inhibitor of a kind of melamine-derived, comprises the following steps:
The first step, is scattered in melamine in 10 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, adds the modifying agent that ratio is 8:1 with melamine material amount in stirring downhill reaction still, and described modifying agent is chemical pure 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride is modified,
4th step, the melamine that above-mentioned 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride is modified is mixed with potassium chloride according to mass ratio 1:1, grinds uniformly, obtain pulverulent solids goods, being the clay inhibitor of melamine-derived, described potassium chloride is technical grade product.
During application, with running water or Oil Field water, the clay inhibitor of melamine-derived being configured to the solution that mass concentration is 0.3%, be equipped with other auxiliary material, add in oil field reinjection water, stir, affiliated auxiliary material is corrosion inhibiting and descaling agent etc..
Claims (7)
1. the preparation method of the clay inhibitor of a melamine-derived, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 5-100 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade and the product of above purity thereof, and described solvent is technical grade and the water of above purity, methyl alcohol, ethanol, DMF；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 1-9:1, and described modifying agent is technical grade and the epoxychloropropane of above purity, sodium chloroacetate, potassium chloroacetate, ammonium chloroacetate, 2-chloroethyl-trimethyl ammonium chloride, 2-bromoethyl-trimethylammonium bromide, 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride and combinations thereof thing thereof；
3rd step, by agitating heating 2-8 hour at 60-140 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains melamine derivative,
4th step, mixes above-mentioned melamine derivative with potassium chloride according to mass ratio 1:1-10, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor product of melamine-derived, and described potassium chloride is technical grade and the product of above purity thereof.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 10 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 4:1, and described modifying agent is the epoxychloropropane of technical grade；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains epoxychloropropane modified melamine,
4th step, mixes above-mentioned epoxychloropropane modified melamine with potassium chloride according to mass ratio 1:1, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 5 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is technical grade DMF；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 5:1, and described modifying agent is the potassium chloroacetate of technical grade；
3rd step, by agitating heating 2 hours at 120 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that potassium chloroacetate is modified,
4th step, mixes the melamine that above-mentioned potassium chloroacetate is modified with potassium chloride according to mass ratio 1:2, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 50 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is chemical pure methyl alcohol；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 6:1, and described modifying agent is technical grade and the ammonium chloroacetate of above purity thereof；
3rd step, by agitating heating 6 hours at 65 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that ammonium chloroacetate is modified,
4th step, mixes the melamine that above-mentioned ammonium chloroacetate is modified with potassium chloride according to mass ratio 1:1, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is for analyzing net product.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 80 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 4:1, and described modifying agent is technical grade 2-chloroethyl-trimethyl ammonium chloride；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 2-chloroethyl-trimethyl ammonium chloride is modified,
4th step, mixes the melamine that above-mentioned 2-chloroethyl-trimethyl ammonium chloride is modified with potassium chloride according to mass ratio 1:3, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 100 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is industrial alcohol；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 8:1, and described modifying agent is chemical pure 2-bromoethyl-trimethylammonium bromide；
3rd step, by agitating heating 4 hours at 80 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 2-bromoethyl-trimethylammonium bromide is modified,
4th step, mixes the melamine that above-mentioned 2-bromoethyl-trimethylammonium bromide is modified with potassium chloride according to mass ratio 1:2, grinds uniformly, obtains pulverulent solids goods, be the clay inhibitor of melamine-derived, and described potassium chloride is technical grade product.
The preparation method of the clay inhibitor of a kind of melamine-derived the most according to claim 1, it is characterised in that comprise the following steps:
The first step, is scattered in melamine in 10 times of mass solvent under normal temperature in a kettle., and described melamine is technical grade product, and described solvent is running water；
Second step, the amount with melamine material that adds in stirring downhill reaction still is than the modifying agent for 8:1, and described modifying agent is chemical pure 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride；
3rd step, by agitating heating 4 hours at 100 DEG C of the reactant in reactor, reaction is cooled to room temperature after terminating, and uses decompression distillation to ooze to no liquid, i.e. obtains the melamine that 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride is modified,
4th step, the melamine that above-mentioned 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride is modified is mixed with potassium chloride according to mass ratio 1:1, grinds uniformly, obtain pulverulent solids goods, being the clay inhibitor of melamine-derived, described potassium chloride is technical grade product.
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| CN107652376B (en) * | 2017-10-31 | 2019-07-26 | 安徽森普新型材料发展有限公司 | The netted anti-chamotte mould quaternary ammonium salt polycarboxylate water-reducer of one kind, preparation method and application |
| CN108914663A (en) * | 2018-07-10 | 2018-11-30 | 临沂市鲁源浸渍纸业有限公司 | A method of yield of guaranteeing the quality reduces paper-making industry melamine-impregnated liquid aldehyde |
| CN111748326B (en) * | 2020-06-22 | 2022-11-22 | 中国石油天然气集团有限公司 | Cutting agent for biodiesel-based drilling fluid and preparation method thereof |
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| WO2013124003A1 (en) * | 2012-02-22 | 2013-08-29 | W R Grace & Co.-Conn | Functionalized polyamines for clay mitigation |
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| CN1483750A (en) * | 2002-09-20 | 2004-03-24 | 凯 党 | Cation polymer and expansion-resisting agent containing same |
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| WO2013124003A1 (en) * | 2012-02-22 | 2013-08-29 | W R Grace & Co.-Conn | Functionalized polyamines for clay mitigation |
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