CN1009009B - The preparation method of electric motor oil for electric subomersible oil pump - Google Patents
The preparation method of electric motor oil for electric subomersible oil pumpInfo
- Publication number
- CN1009009B CN1009009B CN 88109702 CN88109702A CN1009009B CN 1009009 B CN1009009 B CN 1009009B CN 88109702 CN88109702 CN 88109702 CN 88109702 A CN88109702 A CN 88109702A CN 1009009 B CN1009009 B CN 1009009B
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- China
- Prior art keywords
- oil
- electric
- subomersible
- pump
- preparation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of preparation method of electric motor oil for electric subomersible oil pump, subsurface electric pump are one of major equipments that increases liquid-extracting amount, dynamo oil is the lubricated blood of subsurface electric pump, for solving the urgent need of producing, studied the method for allotment electric motor oil for electric subomersible oil pump, it has used with the stock oil of alkane as main component, for reaching the requirement of an index such as motor oil viscosity, acid number, freezing point mechanical impurity and moisture, insulation strength, can dewater as required, the processing of a technology such as antioxygen, anti-freezing, filtration.This preparation technology is simple, and low, the oily lubricity of cost is good, has satisfied the needs of electrical submersible pump motor.
Description
The present invention relates to a kind of preparation method of electric motor oil for electric subomersible oil pump, is the special lube of electrical submersible pump motor, oil product precision height, and dielectric strength is big, and production lot is little, at present, does not also carry out the production of this kind specialized oil product in China.
Along with the progress of development technology in oilfield, subsurface electric pump has become increases one of major equipment of liquid-extracting amount, is the key measure that makes maturing field volume increase stable yields, and electric motor oil for electric subomersible oil pump is the lubricated blood of subsurface electric pump.And this oily China complies with substantially and is disinclined to import.We have studied the method for allotment electric motor oil for electric subomersible oil pump for the urgent need of solve producing.
According to the oil well operating condition in oil field and the present situation of motor, a year and a half of turning round at least after requiring the electrical submersible pumping set to go into the well is above both economical, in a year and a half, require subsurface electric pump machinery and electric aspect any fault does not take place.Therefore, each parts of subsurface electric pump, as stator winding, last thrust bearing protector and lubricating oil all require very high, all should reach the performance of using more than 2 years.
The electrical submersible pump motor is owing to be subjected to the restriction of oil well casing internal diameter size, for guaranteeing that motor has enough carrying capacity, therefore be elongated with general ground surface motor difference, diameter is generally in 115 millimeter, motor length is different different in size with power of motor, the shortest several meters the longest tens meters, therefore, guarantee that the lubricated and cooling of each one of elongated motor is particularly important.
The preparation method of electric motor oil for electric subomersible oil pump finishes as follows: in the tapered bottom with heating unit is transferred oil tank, drop into stock oil by predetermined prescription, add oxidation inhibitor, antithrombotics, tackifier etc. after mixing as required and allocate after art breading such as persulfuric acid, carclazyte, the levels sample examination is qualified after mixing can filter tinning.The concocting method of electric motor oil for electric subomersible oil pump has following two kinds at least:
A adds 30 in the allotment oil tank
#+ 40
#Machinery oil is a stock oil, after two kinds of oil mix stirring, and the vitriolization with 5%, use 16% carclazyte again, 0.5% yellow soda ash is handled, and adopts the silica gel adsorption device to filter then, and the antithrombotics of filter back adding 0.1～0.7% anti-oxidant jelly 0.1～0.5% stirs and gets final product;
B adds 46 in the allotment oil tank
#+ 68
#Turbine oil is a stock oil, after two kinds of oil mix stirring, adds 0.2% antithrombotics, and 2% tackifier are allocated the back that stirs and adopted silica gel adsorption device filtration back use.
Allotment is during electric motor oil for electric subomersible oil pump, consider following some:
1, the lubricating oil that has appropriate viscosity
Viscosity is the topmost service index of petroleum products, particularly various grading of lubricating oils classifications, quality discrimination and definite purposes etc. is had decisive meaning.The Working environment of electrical submersible pump motor, temperature is generally at 75 ℃～95 ℃, when selecting stock oil, should select for use with alkane to being major ingredient, the lubricating oil that viscosity is lower, this oil viscosity varies with temperature and the degree that changes is less, be adapted under the bigger situation of temperature difference using (temperature and the difference of underground work envrionment temperature of electrical submersible pump motor when ground refueling is bigger), the electrical submersible pump motor belongs to high rotating speed (about 3000 rev/mins), middle load alignment bearing is sliding friction, tolerance clearance is little, so the allotment viscosity of dynamo oil is 10～15 centistokes(cst)s (80 ℃ of kinematic viscosity).
2, the lubricating oil that has suitable acid number
Acid number is one of important indicator of sight-feed lubricator oil use properties.The lubricating oil that acid number is big causes the abrasion of parts easily, but also can promote deterioration of lubricant, generates greasy filth, increases the wearing and tearing of machinery, thereby the acid number of electric motor oil for electric subomersible oil pump should be allocated and is controlled at below 0.03 milligram.
3, the lubricating oil that has suitable condensation point
Condensation point is the main quality index of liquid petroleum product, condensation point can determine the low temperature use properties of lubricating oil, the index of the possibility of decision storing loading and unloading oil plant, if subsurface electric pump under the winter construction then require electric motor oil for electric subomersible oil pump must in the time of-20 ℃, have good flowing property, otherwise just can not normally use, so the selection allotment condensation point of dynamo oil is below-25 ℃.
4, mechanical impurity and moisture
Mechanical impurity and moisture are the important quality index of petroleum products.Even electric motor oil for electric subomersible oil pump has more a spot of impurity also can influence use, can stop up the oil duct of oil supply system and the wearing and tearing that strainer increases oil-using units.When lubricating oil is moisture, then can cause emulsification and destroy oil film, reduce lubricant effect and increase wearing and tearing, can also promote to corrode parts simultaneously and quicken the rotten and deterioration of lubricating oil, particularly to containing the oil product of additive, moisture meeting causes additive emulsification sedimentation or loses effectiveness because of water decomposition.Therefore the existence that should strict stop mechanical impurity and moisture to electric motor oil for electric subomersible oil pump, also electric motor oil for electric subomersible oil pump is the exigent oil product of electrical isolation, more can not have moisture to exist.
5, insulation strength
Insulation strength is an important quality index of oil for electrical appliances, electric motor oil for electric subomersible oil pump is the important insulated part of electrical submersible pump motor, this is the essential condition that guarantees subsurface electric pump motor safety, normal operation, if oil is contaminated, as drawn the water in air branch and be subjected to wet or oil deterioration, aging, the dynamo oil insulation strength is descended.Therefore, all to carry out the voltage breakdown chemical examination, have only the qualified rear of chemical examination to permit using used oil product.According to the working voltage of electrical submersible pump motor, the insulation strength of electric motor oil for electric subomersible oil pump should be more than 7KV/1MM.
The experimental result of allotment dynamo oil
1, main physical and chemical index assay
Through repeatedly sample examination analysis, carry out the physical and chemical index contrast, each leading indicator of allotment dynamo oil has has all met or exceeded from the dynamo oil of U.S. REDA company import.See table 1 for details:
Table 1 dynamo oil physical and chemical index contrast table
2, dielectric strength is measured
Exchange the insulation strength of distribution machine oil, test by GB507-77, use the test of IJJ type oil tester determinator, the compressive strength of measurement result and U.S. REDA company dynamo oil is similar.See table 2 for details:
Table 2 dynamo oil insulation strength contrast table
Project REDA company dynamo oil allotment dynamo oil
29 ℃ 24.6 24.9 of insulation strength
KV/3MM
3, friction test
It is that homemade MQ-12 type four ball millings are wiped trier that instrument is used in this test, the diameter of producing for Shanghai Steel Ball Plant of trying is the II level steel ball of 12.7mm, the condition of estimating of mill class diameter is load 30kg, sliding velocity is 0.56M/S(1500V/Min), time is that 60Min ball box oil temperature is room temperature (26 ℃), temperature rise coefficient refers to that the whole temperature of thermopair deducts the difference of thermopair initial temperature, all data are the mean value of secondary parallel test data, test-results shows that the allotment dynamo oil is better than REDA company dynamo oil.See table 3 for details:
Table 3 friction test-results table
Project formation testing title
REDA company dynamo oil allotment dynamo oil
Diameter 9 30kg 0.840 0.72 of mill class
60Min
Coefficient of friction μ 0.068 0.062
Temperature rise ℃ 34 32
4, metallic element spectroscopic analysis
The metallic element spectrometry instrument from U.S.'s import is used in this test, to the dynamo oil of the dynamo oil of U.S. REDA company and allotment carried out fresh oil and use after the spectroscopic analysis of oil, analytical results shows that the allotment dynamo oil is better than the dynamo oil of U.S. REDA company, sees table 4 for details:
Use the allotment dynamo oil on November 5th, 1986, carried out the test of going into the well at 311182 wells, 1600 meters of the following pump degree of depth, play January 11 1988 pump time, continuous operation 421 days, playing the pump reason is because liquid measure is low, behind the pump dynamo oil has been carried out assay, every index also has good lubricating effect all in use range.
The preparation method of electric motor oil for electric subomersible oil pump is simple, and the lubricity of oil is good, and every performance index have all satisfied the needs of electrical submersible pump motor, solved the urgent need of situ production, and preparation cost is low, reasonable price, and the price of allotment dynamo oil is below 8% of import price.
Claims (4)
1, a kind of preparation method of electric motor oil for electric subomersible oil pump, it is characterized in that in having the allotment oil tank of heating unit, add the 30#+40# machinery oil as stock oil, after two kinds of stock oils mix stirring, the vitriolization with 5%, use 16% carclazyte again, 0.5% yellow soda ash is handled, and adopts the silica gel adsorption device to filter then, and the filter back adds the 0.1-0.7% antioxidizing and antigum agent, add the antithrombotics (said percentage ratio is weight percentage) of 0.1-0.5%, stirring gets final product.
2, the preparation method of electric motor oil for electric subomersible oil pump according to claim 1, the allotment viscosity that it is characterized in that dynamo oil is 10-15 centistokes(cst) (80 ℃ of kinematic viscosity), condensation point is below-25 ℃, and the stock oil of two kinds of allotments must be same kind, mixes when stirring to be heated to 50-80 ℃.
3, the preparation method of electric motor oil for electric subomersible oil pump according to claim 1 is characterized in that the allotment acid number of dynamo oil should be controlled at below 0.03 milligram.
4, the preparation method of electric motor oil for electric subomersible oil pump according to claim 1 is characterized in that the allotment insulation strength of dynamo oil should be controlled at more than the 7KV/1MM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88109702 CN1009009B (en) | 1988-11-19 | 1988-11-19 | The preparation method of electric motor oil for electric subomersible oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88109702 CN1009009B (en) | 1988-11-19 | 1988-11-19 | The preparation method of electric motor oil for electric subomersible oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1034385A CN1034385A (en) | 1989-08-02 |
| CN1009009B true CN1009009B (en) | 1990-08-01 |
Family
ID=4835426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88109702 Expired CN1009009B (en) | 1988-11-19 | 1988-11-19 | The preparation method of electric motor oil for electric subomersible oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1009009B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345245C (en) * | 1998-04-08 | 2007-10-24 | 皇家菲利浦电子有限公司 | Electric lamp having optical interface filter |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054155C (en) * | 1996-03-21 | 2000-07-05 | 中国石油化工总公司石油化工科学研究院 | Composite barium-base grease and its preparation |
| CN111849602A (en) * | 2020-07-20 | 2020-10-30 | 安徽国孚凤凰科技有限公司 | Adsorption blending regeneration process for waste lubricating oil soluble residual oil |
-
1988
- 1988-11-19 CN CN 88109702 patent/CN1009009B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345245C (en) * | 1998-04-08 | 2007-10-24 | 皇家菲利浦电子有限公司 | Electric lamp having optical interface filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1034385A (en) | 1989-08-02 |
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