CN109233760A - Drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof - Google Patents
Drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof Download PDFInfo
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- CN109233760A CN109233760A CN201811330661.5A CN201811330661A CN109233760A CN 109233760 A CN109233760 A CN 109233760A CN 201811330661 A CN201811330661 A CN 201811330661A CN 109233760 A CN109233760 A CN 109233760A
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- fatty acids
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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
- C09K8/035—Organic additives
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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
- C09K2208/34—Lubricant additives
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Abstract
A kind of drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof, fluid lubricant polyol esters of fatty acids are made of following raw materials: dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate, polypropylene glycol.Preparation method: above-mentioned raw materials heating stirring by weight ratio is uniform, and cooling blowing to obtain the final product.Fluid lubricant polyol esters of fatty acids performance are as follows: variable density value≤0.08, apparent viscosity increased value≤5, lubricating coefficient reduced rate >=70%, mud cake sticking coefficient reduced rate >=50%.The present invention is in the filter loss for remaining to preferably reduce drilling fluid after 180 DEG C of high temperature ageings, good temperature resistance and anti-salt property are embodied, adapt to complicated drilling condition, it solves the problems, such as in present drilling process that fluid lubricant greasy property is poor, high production cost, complex process, it has stronger biological degradability simultaneously, effectively reduces the pollution to reservoir.
Description
Technical field
The present invention relates to a kind of petroleum drilling fluid auxiliary agent, specifically a kind of drilling fluid fluid lubricant fatty polyols
Ester.The invention further relates to the drilling fluid preparation methods of fluid lubricant polyol esters of fatty acids.
Background technique
As industrial development is continuously increased oil demand amount, need to develop the petroleum resources for being stored at stratum depths,
To drilling technology, more stringent requirements are proposed for this.In drillng operation lubricant greasy property it is bad caused by drilling tool mill
Damage, drilling well resistance is big and easily causes down hole problem.And conventional lubricants effect in well in market is not significant at present, it is difficult
To meet drilling well needs；Traditional drilling fluid materials are difficult to degrade, and can cause significantly to pollute to reservoir, influence later period oil gas
The exploitation yield of well.
Inventor retrieves following Patents documents: CN104232032A disclose a kind of drilling machinery with lubricator and
The mass fraction of preparation method, component and each component is as follows: 10~20 parts of Brazil wax, 1~5 part of oleic acid, and butylation hydroxyl
0.1~0.9 part of methyl toluene, 1~6 part of triethanolamine, 20~40 parts of silicone oil, 1~3 part of microcrystalline wax, 5~10 parts of glycerol, sheep
5~10 parts of rouge of hair, 1~5 part of sodium chloride, 3~8 parts of laruyl alcohol oleate, 0.5~2.5 part of sodium nitrite, 1~3 part of urea, ten
1~8 part of dialkyl phosphate salt, 0.5~1.5 part of methacrylic acid, 2~6 parts of emulsifier.CN108034412A discloses one kind
Drilling fluid liquid oil lubricant and preparation method thereof, it is characterised in that: the parts by weight of its raw material components and each component are as follows: white
It is 250-450 parts oily, 200-350 parts of linen softening oil, 100-200 parts of extreme pressure anti-wear additives, 100-200 parts of methyl stearate oil, silicone oil 50-
150 parts, 20-60 parts of emulsifier, 20-60 parts of extreme-pressure lubricant, 3-20 parts of aluminum stearate, 10-30 parts of antifreezing agent, water 300-500
Part.CN105295864A discloses a kind of drilling fluid fluid lubricant and preparation method thereof, it is characterised in that: it is by following heavy
The raw material of amount part is made: 500~600 parts of methyl oleate, 170~230 parts of silicone oil, 170~230 parts of white oil, overstocking oil 30~80
Part, 40~80 parts of emulsifier, 40~80 parts of surfactant, 15~20 parts of masking agent.CN105112028A discloses a kind of brill
Well liquid fluid lubricant, it is characterised in that: be made in percentage terms of ingredient once: raw material A (vegetable fat) 70%, raw material
B (catalyst) 10%, raw material C (methanol) 20%；The specific preparation method of the lubricant is 1) raw material A (plant is weighed according to the ratio
Object grease) 70%, raw material B (catalyst) 10%, raw material C (methanol) 20%；2) reaction kettle agitating paddle, starting charging gear are opened
Pump, raw material A is added into kettle, adds raw material C, starts confined reaction after charging, and the reaction time is 3 hours, and pressure is
25MPa, temperature are 80-100 DEG C；3) first step after reaction, raw material B is added into kettle, and second step reaction is carried out after adding,
Reaction time 2 hours, pressure 20MPa, temperature was 120-135 DEG C；4) after reaction, by the finished product in reaction kettle by putting
Pipe material is put into 200 liters of plastic barrels；5) sealing packaging, finished product is neatly packed, and mark is clear, warehousing finished products.
CN103013466A discloses a kind of drilling fluid solid paraffin lubricant and preparation method thereof, i.e., by oily phase, sodium hydroxide, multiple
Co-emulsifier, stabilizer, water phase are separately added into reactor, and heating stirring reacts to obtain emulsifying liquid paraffin wax lubricants；It is sharp again
Liquid paraffin obtained is immersed into characteristic water-soluble high-molecular material with semidry method；It through low temperature drying, crushes, is made and bores
Well liquid solid paraffin lubricant comprising following steps: (1) following weight proportion component is weighed: oily phase 20-50 parts, hydrogen-oxygen
Sodium 0.5-2 parts of change, 1-10 parts of compound emulsifying agent, 0.1-1 parts of stabilizer, 37-78.4 parts of water phase；(2) by above-mentioned oily phase, hydroxide
Sodium, compound emulsifying agent, stabilizer and water phase by the component ratio mixing be added reactor in, 70-100 DEG C, 100-2000 turn/
Under the conditions of point, 15-60min is stirred, fluid lubricant is made；(3) following weight proportion component: characteristic high molecular material is weighed
50-80 parts, 20-50 parts of fluid lubricant of step (2) acquisition；(4) by aforesaid liquid lubricant and characteristic macromolecule by described
Component ratio invades leaching reaction；(5) through 60-100 DEG C of low temperature drying, disintegrating process, solid lubricant for well drilling liquid is obtained.
How the above technology is for make lubricant for drilling fluids be able to solve lubricant drilling tool in present drilling process
The big problem of serious wear, drilling well resistance, while the pollution to reservoir can be effectively reduced in the lubricant, do not provide specific finger
Lead scheme.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of drilling fluid fluid lubricant fatty polyol
Ester, it has good greasy property, good with drilling fluid compatibility, reduces the abrasion of the drilling tools such as drilling rod, can be in high temperature, with high salt
Under the conditions of use, complicated drilling condition is adapted to, to solve that lubricant drill tool wear in present drilling process is serious, drilling well
The big problem of resistance, while the fluid lubricant polyol esters of fatty acids has stronger biological degradability, can be effectively reduced pair
The pollution of reservoir.
For this purpose, another technical problem to be solved by this invention is, a kind of drilling fluid fluid lubricant rouge is provided
The preparation method of fat acid polyol ester.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of drilling fluid fluid lubricant polyol esters of fatty acids, its technical solution is that it is matched by following weight
Made of the raw material of (parts by weight, mass fraction):
Degree of functionality≤4 of above-mentioned polyglycol ether, hydroxyl equivalent >=1000.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 80 DEG C~90 DEG C, opens stirring, and mixing time is 1~2h, is down to room temperature blowing, products therefrom
As drilling fluid fluid lubricant polyol esters of fatty acids.
In above-mentioned technical proposal, preferred technical solution be can be, and stirring rate is most in the preparation method (step)
It is well 50~100r/min.
In above-mentioned technical proposal, the preferred technical solution may also be that drilling fluid fluid lubricant fatty acid
Polyol ester is made of the raw material of following weight proportion:
The polypropylene glycol is PPG1000.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 80 DEG C, opens stirring, and mixing time 2h is down to room temperature blowing, and products therefrom is drilling fluid
With fluid lubricant polyol esters of fatty acids.
In above-mentioned technical proposal, the preferred technical solution may also be that drilling fluid fluid lubricant fatty acid
Polyol ester is made of the raw material of following weight proportion:
The polypropylene glycol is PPG1000.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 85 DEG C, opens stirring, and mixing time 1.5h is down to room temperature blowing, and products therefrom is drilling well
Liquid fluid lubricant polyol esters of fatty acids.
In above-mentioned technical proposal, the preferred technical solution may also be that drilling fluid fluid lubricant fatty acid
Polyol ester is made of the raw material of following weight proportion:
The polypropylene glycol is PPG400.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 90 DEG C, opens stirring, and mixing time 2h is down to room temperature blowing, and products therefrom is drilling fluid
With fluid lubricant polyol esters of fatty acids.
Fluid lubricant polyol esters of fatty acids of the invention has reached the good impact of performance, behind this specification
Table 1, fluid lubricant polyol esters of fatty acids performance of the invention are as follows: variable density value≤0.08, apparent viscosity increased value
≤ 5, lubricating coefficient reduced rate >=70%, mud cake sticking coefficient reduced rate >=50%.The present invention is after 180 DEG C of high temperature ageings
The filter loss for preferably reducing drilling fluid is remained to, good temperature resistance and anti-salt property has been embodied, has adapted to complicated drilling well item
Part has good temperature-resistant anti-salt performance.
Fluid lubricant polyol esters of fatty acids of the invention has the advantages that (1) institute compared with the prior art
Fluid lubricant polyol esters of fatty acids is stated with good greasy property, can be used under high temperature, high salt conditions, with drilling fluid
Compatibility is good, reduces the abrasion of the drilling tools such as drilling rod, can use under high temperature, high salt conditions, adapts to complicated drilling condition,
To solve the problems, such as that lubricant drill tool wear is serious in present drilling process, drilling well resistance is big.(2) the fluid lubricant rouge
Fat acid polyol ester preparation process is simple, easy to implement, and production cost is low.(3) the fluid lubricant polyol esters of fatty acids
It is nontoxic, harmless, it can slowly degrade naturally under natural conditions, can be well protected oil-gas Layer.
In conclusion the present invention has good greasy property, it can use under high temperature, high salt conditions, match with drilling fluid
5 property are good, reduce the abrasion of the drilling tools such as drilling rod, can use under high temperature, high salt conditions, adapt to complicated drilling condition, from
And solve the problems, such as that lubricant drill tool wear is serious in present drilling process, drilling well resistance is big.The present invention solves present brill
The problem of lubricant heat and salinity tolerance performance is poor during well, high production cost, complex process, while the fluid lubricant fatty acid
Polyol ester has stronger biological degradability, effectively reduces the pollution to reservoir.
Specific embodiment
To keep goal of the invention of the invention, technical solution and advantage clearer, below in conjunction with embodiment to the present invention
Technical solution carry out clear, complete description.Obviously, described embodiments are some of the embodiments of the present invention, Er Feiquan
Portion's embodiment.Based on the embodiment in invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1: drilling fluid of the present invention with fluid lubricant polyol esters of fatty acids is matched by following weight
Raw material made of:
The polypropylene glycol is PPG1000.Degree of functionality≤4 of the polyglycol ether, hydroxyl equivalent >=1000；
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 80 DEG C, opens stirring (stirring rate is 75~90r/min), mixing time 2h is down to room temperature
Blowing, products therefrom are drilling fluid fluid lubricant polyol esters of fatty acids.
Embodiment 2: drilling fluid of the present invention with fluid lubricant polyol esters of fatty acids is matched by following weight
Raw material made of:
The polypropylene glycol is PPG1000.Degree of functionality≤4 of the polyglycol ether, hydroxyl equivalent >=1000.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 85 DEG C, opens stirring (stirring rate is 70~80r/min), mixing time 1.5h is down to room
Warm blowing, products therefrom are drilling fluid fluid lubricant polyol esters of fatty acids.
Embodiment 3: drilling fluid of the present invention with fluid lubricant polyol esters of fatty acids is matched by following weight
Raw material made of:
The polypropylene glycol is PPG400.Degree of functionality≤4 of the polyglycol ether, hydroxyl equivalent >=1000.
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by upper
State weight proportion be added in reaction kettle dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate,
Polypropylene glycol is slowly heated to 90 DEG C, opens stirring (stirring rate is 50~65r/min), mixing time 2h is down to room temperature
Blowing, products therefrom are drilling fluid fluid lubricant polyol esters of fatty acids.
The following are test portions of the invention:
The oilfield exploitation drilling well of the drilling fluid of the invention applicable different operating conditions of fluid lubricant polyol esters of fatty acids
Liquid system.Dosage (dosage) in drilling fluid system is depending on actual drilling geology condition, the geology item of different blocks
Part determines the difference of fluid lubricant polyol esters of fatty acids dosage, such as in China's Eastern Margin of Ordos Basin CBM Drilling
In the process, the dosage of fluid lubricant polyol esters of fatty acids is generally 0.5%~2% (weight percent).Embodiment 1,2,3
The dosage of middle fluid lubricant polyol esters of fatty acids is 1%.Table 1 be (more than) the fluid lubricant fat of each embodiment preparation
Acid polyol ester performance measurement result.
The fluid lubricant polyol esters of fatty acids performance measurement result of each embodiment of table 1 preparation
| Embodiment | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Variable density value, g/cm3 | 0.06 | 0.05 | 0.04 |
| Apparent viscosity increased value, mPas | 3 | 3 | 4 |
| Lubricating coefficient reduced rate, % | 88.4 | 90.2 | 88.9 |
| Mud cake sticking coefficient reduced rate, % | 70.9 | 72.1 | 71.8 |
As shown in Table 1: the fluid lubricant polyol esters of fatty acids of various embodiments of the present invention preparation can reach good
The impact of performance, fluid lubricant polyol esters of fatty acids performance of the invention are as follows: variable density value≤0.08, apparent viscosity increase
Value≤5, lubricating coefficient reduced rate >=70%, mud cake sticking coefficient reduced rate >=50%.The present invention is passing through 180 DEG C of high temperature ageings
The filter loss for preferably reducing drilling fluid is remained to afterwards, has been embodied good temperature resistance and anti-salt property, has been adapted to complicated drilling well
Condition has good temperature-resistant anti-salt performance.Compared with having relevant lubricant, the manufacture of (the above various embodiments) of the invention
Cost all reduces 20% or more.
Fluid lubricant polyol esters of fatty acids of the invention has the advantages that (1) institute compared with the prior art
Stating fluid lubricant polyol esters of fatty acids has good greasy property, good with drilling fluid compatibility, reduces the brill such as drilling rod
The abrasion of tool can use under high temperature, high salt conditions, complicated drilling condition be adapted to, to solve in present drilling process
The problem that lubricant drill tool wear is serious, drilling well resistance is big；(2) the fluid lubricant polyol esters of fatty acids preparation process letter
Single, easy to implement, production cost is low；(3) the fluid lubricant polyol esters of fatty acids is nontoxic, harmless, energy under natural conditions
Naturally slowly degradation, can be well protected oil-gas Layer.
In conclusion the present invention solves in present drilling process, drill tool wear is serious, drilling well resistance is big, production cost
The problem of height, complex process, while the fluid lubricant polyol esters of fatty acids has stronger biological degradability, is effectively reduced
Pollution to reservoir.
The drilling machinery disclosed in the CN104232032A with lubricator compared with, there are significance differences for the technical solution of the two
Different, the application and the documents have essential difference.The component and content Yu the documents of each raw material in the application
Significantly different, which, which can not provide, is used for the application for its technical characteristic to solve the enlightenment of its technical problem.This
Invention has embodied good temperature resistance and has resisted in the filter loss for remaining to preferably reduce drilling fluid after 180 DEG C of high temperature ageings
Salt performance, and the documents can not reach these, high temperature resistance of the invention is much higher than the documents.
Claims (7)
1. a kind of drilling fluid fluid lubricant polyol esters of fatty acids, it is characterised in that it is the raw material matched by following weight
It is manufactured:
Degree of functionality≤4 of above-mentioned polyglycol ether, hydroxyl equivalent >=1000；
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by above-mentioned heavy
Dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate, poly- third is added in amount proportion in reaction kettle
Glycol is slowly heated to 80 DEG C~90 DEG C, opens stirring, and mixing time is 1~2h, is down to room temperature blowing, products therefrom is
Drilling fluid fluid lubricant polyol esters of fatty acids.
2. drilling fluid according to claim 1 fluid lubricant polyol esters of fatty acids, it is characterised in that it is under
It states made of the raw material of weight proportion:
The polypropylene glycol is PPG1000；
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by above-mentioned heavy
Dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate, poly- third is added in amount proportion in reaction kettle
Glycol is slowly heated to 80 DEG C, opens stirring, and mixing time 2h is down to room temperature blowing, and products therefrom is drilling fluid liquid
Body lubricant polyol esters of fatty acids.
3. drilling fluid according to claim 1 fluid lubricant polyol esters of fatty acids, it is characterised in that it is under
It states made of the raw material of weight proportion:
The polypropylene glycol is PPG1000；
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by above-mentioned heavy
Dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate, poly- third is added in amount proportion in reaction kettle
Glycol is slowly heated to 85 DEG C, opens stirring, and mixing time 1.5h is down to room temperature blowing, and products therefrom is that drilling fluid is used
Fluid lubricant polyol esters of fatty acids.
4. drilling fluid according to claim 1 fluid lubricant polyol esters of fatty acids, it is characterised in that it is under
It states made of the raw material of weight proportion:
The polypropylene glycol is PPG400；
The drilling fluid is comprised the technical steps that with the preparation method of fluid lubricant polyol esters of fatty acids: by above-mentioned heavy
Dimethicone, butyl oleate, polyglycol ether, triethanolamine, laruyl alcohol oleate, poly- third is added in amount proportion in reaction kettle
Glycol is slowly heated to 90 DEG C, opens stirring, and mixing time 2h is down to room temperature blowing, and products therefrom is drilling fluid liquid
Body lubricant polyol esters of fatty acids.
5. drilling fluid according to claim 1 or 2 or 3 or 4 fluid lubricant polyol esters of fatty acids, it is characterised in that
Stirring rate is 50~100r/min in above-mentioned preparation method.
6. a kind of preparation method of drilling fluid described in claim 1 fluid lubricant polyol esters of fatty acids, feature exist
It is comprised the technical steps that in it: dimethicone, butyl oleate, polyethylene glycol being added in reaction kettle by above-mentioned weight proportion
Ether, triethanolamine, laruyl alcohol oleate, polypropylene glycol, are slowly heated to 80 DEG C~90 DEG C, open stirring, and mixing time is 1~
2h, is down to room temperature blowing, and products therefrom is drilling fluid fluid lubricant polyol esters of fatty acids.
7. the drilling fluid according to claim 6 preparation method of fluid lubricant polyol esters of fatty acids, feature exist
Stirring rate is 50~100r/min in above-mentioned preparation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330661.5A CN109233760A (en) | 2018-11-09 | 2018-11-09 | Drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330661.5A CN109233760A (en) | 2018-11-09 | 2018-11-09 | Drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof |
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| CN109233760A true CN109233760A (en) | 2019-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113773899A (en) * | 2021-07-23 | 2021-12-10 | 福建高狮科技有限公司 | Preparation method of gear oil special for wind motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113773899A (en) * | 2021-07-23 | 2021-12-10 | 福建高狮科技有限公司 | Preparation method of gear oil special for wind motor |
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Application publication date: 20190118 |
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