CN101948683B - A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid - Google Patents
A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid Download PDFInfo
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Abstract
The invention discloses a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, it be in following methyl naphthalene liquid any one, the mixture of two or more arbitrary proportion mixture：1) methyl naphthalene content is less than 50% fusel oil liquid；2) methyl naphthalene content is less than 50% extraordinary organic solvent liquid；3) methyl naphthalene content is less than 50% organic solvent liquid；4) organic liquid containing methyl naphthalene；5) less than the 50 DEG C methyl naphthalene liquid that are in a liquid state；6) less than the 100 DEG C methyl naphthalenes that are in a liquid state and polycyclic aromatic hydrocarbon mixing liquid；7) less than the 100 DEG C methyl naphthalenes that are in a liquid state and polycyclic aromatic hydrocarbon derivative mixing liquid；8) less than the 100 DEG C methyl naphthalenes that are in a liquid state and biphenyl mixing liquid；9) less than the 100 DEG C methyl naphthalenes that are in a liquid state and Petropols mixing liquid；10) carbolic oil containing methyl naphthalene, naphtalene oil or coal tar liquid.The present invention can effectively reduce freezing point, the viscosity of crude oil, and viscous crude, the high exploitation, production, carrying cost for coagulating oil can be greatly reduced.
Description
Technical field
The present invention relates to methyl naphthalene and methyl naphthalene liquid application field, more particularly, to a kind of original containing methyl naphthalene liquid
Oily pour point depression and viscosity reduction agent.
Background technology
At present, in crude oil production, inevitable exploitation, production, accumulating viscous crude, high solidifying oil.
The 1st printing July the 1st edition in 2000 of publishing house of China University Of Petroleum Beijing《Oilfield chemistry》The inverse 5-6 of page 175
Row was once stated, and " because oil is thick, the load of oil pumper is big, and power consumption is big, and frequently, the back pressure of surface line is high, to viscous crude for mechanical accident
Exploitation and outer defeated bring difficulty." therefore, reduction viscosity of thickened oil is being actually needed for thickened oil recovery production.
Should《Oilfield chemistry》The 2-4 rows of page 252 were once stated：" in order to improve the flow condition of long-distance transportation through pipeline crude oil,
The reduction (pour point depression) of condensation point of crude oil and the reduction (drag reduction) of crude pipeline transportation resistance are two major issues in crude oil transmission.Solving
During these problems, chemical method is still capable method ".Therefore, pour point depression of crude oil is that crude oil production, accumulating are actually needed.
" application of the methyl naphthalene in reduction viscosity of thickened oil " of Application No. 200910241618.6 is although disclose methyl
Naphthalene reduces the application of viscosity of thickened oil, but there is following defect：
1) invention does not solve (the fusel oil liquid that such as methyl naphthalene content is 10%) drop when methyl naphthalene is submember
The application problem of low viscosity of thickened oil.
Laboratory experiment shows：10% methyl naphthalene and 90% fusel oil are mixed into mixing liquid, at home in viscous crude
10% is added, domestic viscosity of thickened oil can be effectively reduced.
2) organic solvent that the invention is added only includes ethers, esters, organic solvent of ketone, not comprising arene
(such as mesitylene, pseudocumene, styrene), fat hydrocarbon (such as nonane, certain herbaceous plants with big flowers alkane, dodecane), hydrocarbon mixture (such as coal
Oil, solvent naphtha, heavy benzene etc.), petrochemical industry accessory substance (such as Petropols production technology formation bottom of towe or bottom residue,
C9 aromatic cut, C10 aromartic cut, the heavy aromatics cut of catalytic reforming and cracking ethylene preparation by-product) etc. organic solvent.
Open source information shows：The accessory substance C10 aromartic cut main component that catalytic reforming and cracking ethylene preparation are obtained is company
Durene, isodurene, durol, methyl-propyl benzene, butyl benzene, diethylbenzene, may be used as high-temperature solvent, heat-resisting lubricating oil
Deng.Market price is far below ethers, esters, organic solvent of ketone.
Experiment shows：Commercially available C10 aromartic cut close flash point is processed more than 20 DEG C by simple distillation or rectifying etc.
Close flash point is up to more than 40 DEG C afterwards.
Experiment shows：Under normal temperature and pressure, methyl naphthalene can be dissolved in arene, fat hydrocarbon, hydrocarbon mixture, petrochemical industry
Accessory substance is dissolved each other with it, and chemical reaction is not produced.
Experiment shows：Added in methyl naphthalene fat hydrocarbon, hydrocarbon mixture, in petrochemical industry accessory substance any one or
It is a variety of, can effectively prevent methyl naphthalene in the winter time crystallization in low temperature environment, form solid content.
Experiment shows：Fat hydrocarbon, hydrocarbon mixture, petrochemical industry accessory substance can effectively dissolve commodity pitch, road drip
Green grass or young crops, can effectively reduce domestic viscosity of thickened oil；Methyl naphthalene with it is any in fat hydrocarbon, hydrocarbon mixture, petrochemical industry accessory substance
The mixture that one or more are formed, can effectively dissolve commodity pitch, road asphalt, can effectively reduce domestic viscous crude and glue
Degree.
3) invention does not have the problem of solution methyl naphthalene reduces condensation point of crude oil.
Experiment shows：The methyl naphthalene of addition 5%, can effectively reduce freezing point more than 1 DEG C in domestic major crude oils；
Fat hydrocarbon, hydrocarbon mixture, petrochemical industry accessory substance can effectively dissolve paraffin, add concentration in major crude oils at home
Freezing point can be effectively reduced when 5% more than 1 DEG C；10% methyl naphthalene and 90% fat hydrocarbon, hydrocarbon mixture, petrochemical industry by-product
Any one mixture formed in thing, can effectively reduce domestic major crude oil freezing points more than 1 DEG C.
In a word, there is certain defect in application and application process of the current methyl naphthalene in crude oil.
The content of the invention
Heretofore described " methyl naphthalene liquid "：Refer to the liquid containing methyl naphthalene.
" methyl naphthalene " refers in the present invention：1- methyl naphthalenes, 2- methyl naphthalenes, " mixed methylnaphthalene " any one or any two
The mixture of kind or any two or more arbitrary proportions；
The essential characteristic of " 1- methyl naphthalenes " is in the present invention：Open source information shows that " 1- methyl naphthalenes " is also known as in the present invention
Alpha-methyl-naphthalene, molecular formula C11H10, it is in a liquid state under normal temperature and pressure, -22 DEG C of fusing point is water insoluble, is dissolved in the majorities such as ethanol, ether
Organic solvent；Experiment shows, is dissolved each other under its normal temperature and pressure with " mixed methylnaphthalene ", can dissolve 2- methyl naphthalenes, with 2- methyl naphthalenes,
" mixed methylnaphthalene ", crude oil do not produce chemical reaction；Experiment shows that it can be dissolved in crude oil；Belong to commodity, can be from market
Upper buying.
The essential characteristic of " 2- methyl naphthalenes " is in the present invention：Open source information shows that " 2- methyl naphthalenes " is also known as in the present invention
Beta-methylnaphthalene, molecular formula C11H10；It is white under normal temperature and pressure to light yellow monoclinic crystal or molten solid, 34.6 DEG C of fusing point；
It is water insoluble, it is dissolved in most organic solvents such as ethanol, ether；Experiment shows, 1- methyl naphthalenes can be dissolved under its normal temperature and pressure, " are mixed
Close methyl naphthalene ", pyrogen oil of the temperature more than its fusing point can be dissolved in, chemistry is not produced with 1- methyl naphthalenes, " mixed methylnaphthalene ", crude oil
Reaction；Belong to commodity, can purchase from the market.
The essential characteristic of " mixed methylnaphthalene " is in the present invention：" mixed methylnaphthalene " generally abbreviation (being commonly called as) first in the present invention
Base naphthalene, is the organic mixture based on 2- methyl naphthalenes, 1- methyl naphthalenes, its 2- methyl naphthalene, 1- methyl naphthalene content and specific commodity
Model is relevant；It is oily liquids under normal temperature and pressure, it is water insoluble, it is soluble in ethanol, ether；It is domestic to be produced currently without formulation is unified
Product standard, its product type, quality index etc. with the company standard of each manufacturing enterprise is different and different, the 2- of general merchandise
Methyl naphthalene, 1- methyl naphthalene total content >=50%, fusing point are less than -5 DEG C；Experiment shows, with 1- under " mixed methylnaphthalene " normal temperature and pressure
Methyl naphthalene is dissolved each other, and can dissolve 2- methyl naphthalenes, and chemical reaction is not produced with 2- methyl naphthalenes, 1- methyl naphthalenes, crude oil；Experiment shows, " mixed
Close methyl naphthalene " it can be dissolved in crude oil；Belong to commodity, and marque is numerous, can purchase from the market.
2- methyl naphthalenes, 1- methyl naphthalene total contents might be less that 50% in " mixed methylnaphthalene " in the present invention；
" mixed methylnaphthalene " can also comprise only 2- methyl naphthalenes or 1- methyl naphthalenes in the present invention.
Heretofore described " viscous crude "：Published referring to petroleum industry publishing house 1996.12《Oil recovery technique handbook》8th
" heavy crude, i.e. high viscosity oil are also known as described in 1st row of fascicle " foreword ".”
Heretofore described " the solidifying oil of height "：Refer to that freezing point is higher than 30 DEG C of crude oil.
Heretofore described " crude oil " includes high solidifying oil, viscous crude.
Heretofore described " crude oil of low-coagulation "：Refer to that freezing point is less than 10 DEG C of crude oil or refers to freezing point to be less than
30 DEG C and crude oil of 50 DEG C of viscosity less than 100mPa.S.
Heretofore described " pour point depression "：Refer to reduction condensation point of crude oil or freezing point.
Heretofore described " viscosity reduction "：Refer to reduce the viscosity of crude oil.
Heretofore described " accumulating "：Refer to storage, the transportation of crude oil, including crude oil exporting process.
" freezing point " in the present invention refers to：Under prescribed conditions, the temperature that crude oil loses flowability, belongs to the thing of crude oil
One of property parameter, also known as setting temperature, abbreviation condensation point.
" liquid " refers in the present invention：The fluid being in a liquid state, the aqueous solution that can refer to be in a liquid state, organic solution, emulsification
Liquid, suspension or the fluid or melt liquid for referring to molten condition.
The technical problem to be solved in the present invention is to provide a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid：It includes
The mixture of any one two or more any arbitrary proportion mixture either between them in following liquid：
1) methyl naphthalene content is less than 50% fusel oil liquid；
2) methyl naphthalene content is less than 50% extraordinary organic solvent liquid；
3) methyl naphthalene content is less than 50% organic solvent liquid；
4) organic liquid containing methyl naphthalene；
5) less than the 50 DEG C methyl naphthalene liquid that are in a liquid state；
6) less than the 100 DEG C methyl naphthalenes that are in a liquid state and polycyclic aromatic hydrocarbon mixing liquid；
7) less than the 100 DEG C methyl naphthalenes that are in a liquid state and polycyclic aromatic hydrocarbon derivative mixing liquid；
8) less than the 100 DEG C methyl naphthalenes that are in a liquid state and biphenyl mixing liquid；
9) less than the 100 DEG C methyl naphthalenes that are in a liquid state and Petropols mixing liquid；
10) carbolic oil containing methyl naphthalene, naphtalene oil or coal tar liquid
11) less than the 100 DEG C methyl naphthalenes that are in a liquid state and hydro carbons autopolymer mixing liquid；
" fusel oil " essential characteristic in the present invention is：Byproduct fusel oil from fermentation method preparing alcohol, the life of alcohol method
Produce the mixture of any one arbitrary proportion mixture either between them in the accessory substance fusel oil of butadiene, normal temperature and pressure
Under be in a liquid state；Experiment shows that it dissolves each other with 1- methyl naphthalenes, mixed methylnaphthalene, is dissolved in crude oil, can dissolve 2- methyl naphthalenes；Normal temperature is normal
Pressure does not produce chemical reaction with 1- methyl naphthalenes, 2- methyl naphthalenes, mixed methylnaphthalene, crude oil；Belong to commodity, can adopt from the market
Purchase.
Heretofore described " extraordinary organic solvent "：Refer to alcohols (such as octanol, isoamyl alcohol), diol, derivatives (such as second
Glycol butyl ether, butyl, diethylene glycol ether etc.) in any one either any two kinds or two kinds between them
The mixture of any of the above ratio mixture.
Heretofore described " organic solvent "：Refer to ethers (such as n-butyl ether, isobutyl ether or octyl ether), esters (such as second
The own ester of acid, phenylacetate or methyl benzoate etc.), in ketone (such as 3- heptanone, 2 octanones) any one either they it
Between two or more any arbitrary proportion mixture mixture；
Heretofore described " organic liquid "：Refer to the organic matter being in a liquid state under normal temperature.
Further, organic liquid is that two or more is any either between them for any one of following liquid
The mixture of ratio mixture：
1) alcohol-based liquid, such as methanol, ethanol liquid；
2) aromatic hydrocarbons class I liquid I, such as dimethylbenzene, trimethylbenzene, ethylbenzene, styrene liquid；
3) fat hydrocarbon liquid, such as nonane, certain herbaceous plants with big flowers alkane, dodecane liquid；
4) hydrocarbon mixture liquid, such as kerosene, heavy benzene liquid；
5) bottom of towe or bottom residue of the formation of petrochemical industry rest product fluid, such as Petropols production technology, catalysis weight
The liquid such as C9 aromatic cut, C10 aromartic cut, heavy aromatics cut, the mixing heavy benzene of whole and cracking ethylene preparation by-product；
6) aromatic hydrocarbons or arene derivatives content are more than 5% liquid petroleum product liquid, such as diesel oil, plastic cracking oil, rubber
The liquid such as glue cracked oil；
7) olefin liquid, such as 14- alkene, 12- alkene, cyclopentadiene, dicyclopentadiene, aromatic olefin, styrene, methylbenzene second
The liquid such as alkene, p-methylstyrene；
8) solvent naphtha liquid, such as alkane solvent oil, aromatic solvent naphtha, alkene solvent oil liquid；
9) under normal temperature be liquid Petropols liquid；
10) wax content, gum level are below 10% crude oil of low-coagulation；
11) chlorine element, the heterocycle organic liquid of element sulphur, such as pyridine, quinoline, furans liquid are free of in molecular formula；
12) bio-oil, the cracking bio-oil liquid being in a liquid state under normal temperature, such as vegetable oil, cracking animal oil, biological bavin
Oil etc.；
Preferably, above-mentioned methyl naphthalene liquid is：Normal temperature is to the high temperature methyl naphthalene liquid being in a liquid state between 100 DEG C.
Preferably, a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid of the present invention, can also include following raw materials：It is low
Solidifying crude oil.
Preferably, a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid of the present invention, can also include following raw materials：Water
And surfactant.Described water is secondary water or the sewage containing emulsified crude oil isolated from viscous crude, high solidifying oil.Described
The essential characteristic of surfactant is：With surface-active, the material or commodity of interfacial tension can be significantly reduced, can be from city
Purchased on field；Can be nonionic surfactant, anion surfactant, cationic surfactant, macromolecule surface
Any one or two or more any mixing of activating agent, amphoteric surfactant, biosurfactant are without producing
Raw precipitation, the mixture of flocculation reaction.
Open source information shows：Commodity coal tar on domestic market contains methyl naphthalene, organic solvent, belongs to containing methyl naphthalene
Liquid, crude oil freezing point and viscosity can be reduced, the function with methyl naphthalene liquid；Carbolic oil, naphtalene oil are by coal tar processing
, containing methyl naphthalene, organic solvent, the function with methyl naphthalene liquid belongs to the liquid containing methyl naphthalene.
Experiment shows：Under normal temperature, mixed methylnaphthalene can be with fusel oil, extraordinary organic solvent, organic solvent, organic liquid
It is miscible with arbitrary proportion；90% mixed methylnaphthalene can dissolve 10% naphthalene or dimethylnaphthalene or biphenyl or Petropols or hydro carbons certainly
Polymers.
Heretofore described " hydro carbons autopolymer "：Refer to what unsaturated hydrocarbons was formed under natural accumulating state by auto polymerization
The solid content of solid content, such as cyclopentadiene auto polymerization formation.
A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid of the present invention.The pour point depression and viscosity reduction agent expands methyl naphthalene and contained
The application method and scope of methyl naphthalene liquid, specific, concrete are specified with the liquid reduction crude oil freezing point containing methyl naphthalene, glued
The specifically used method of degree, can effectively reduce freezing point, the viscosity of crude oil, can be greatly reduced viscous crude, the high exploitation for coagulating oil,
Production, carrying cost, with widely applicable, low cost and other advantages.
The present invention has the advantages that：The present invention expands the application method and model of methyl naphthalene and the liquid containing methyl naphthalene
Enclose, specify with liquid reduction crude oil freezing point, the specifically used method of viscosity containing methyl naphthalene, can effectively reduce crude oil
Freezing point, viscosity, viscous crude, the high exploitation, production, carrying cost for coagulating oil can be greatly reduced.
Embodiment
Embodiment 1
A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, includes the raw material of following weight percents：20% commodity
Mixed methylnaphthalene and the aromatic fraction of 80% commodity carbon ten.
The above-mentioned pour point depression of crude oil thinner containing methyl naphthalene liquid is added in the solidifying oil of viscous crude, the height of exploitation or/and accumulating,
To reduce viscous crude, the high freezing point for coagulating oil, viscosity, and then viscous crude, high solidifying oily flow resistance are reduced, make viscous crude, high solidifying oil smoothly
Flowing；
Described methyl naphthalene liquid can cost-effectively reduce viscous crude, the high freezing point for coagulating oil, viscosity, make viscous crude, Gao Ning
Oily smooth flow；It is can determine as those of ordinary skill in the art by existing method and methyl naphthalene liquid added into viscous crude, height
Cmin, Cmax in solidifying oil, optium concentration, effective concentration scope；
Experiment shows：By the commodity mixed methylnaphthalene by weight than 20%, 80% aromatic fraction of commodity carbon ten (also known as again
Aromatic hydrocarbons) the methyl naphthalene liquid that is mixed into added in the viscous crude that Tahe Oilfield in Xinjiang oil extraction No.1 Factory TH12211 wells are produced, and adds concentration
For 10% when can reduce the viscosity more than 95% of the viscous crude；The methyl naphthalene liquid is quiet according to 10% concentration addition Liaohe Oil Field
In the solidifying oil of height that 35--31-31 wells are produced, it is possible to decrease the height coagulates oil freezing point more than 10 DEG C.
Embodiment 2
A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, includes the raw material of following weight percents：
Fusel oil liquid, 50% crude oil of low-coagulation of 50% methyl naphthalene content 30%.
In order to preferably utilize methyl naphthalene liquid, described methyl naphthalene liquid is more uniformly added into exploitation or/and accumulating
Viscous crude, in high solidifying oil, save methyl naphthalene volume, make full use of crude oil of low-coagulation viscosity reduction, pour-point depressing process and locality it is low
Solidifying crude resources, allows methyl naphthalene liquid to produce cooperative effect, combination and cooperation reduction viscous crude, the high solidification for coagulating oil with crude oil of low-coagulation
Point, viscosity；Described methyl naphthalene liquid and crude oil of low-coagulation are mixed into crude oil pharmaceutical mixture, and by the crude oil pharmaceutical mixture
Viscous crude, the height of addition exploitation or/and accumulating are coagulated in oil, are coagulated oily freezing point, viscosity to reduce viscous crude, height, are made viscous crude, height solidifying oily
Smooth flow；
In order to prevent the crude oil pharmaceutical mixture from producing crystal, solid content or solidifying in low temperature natural environment (such as winter)
Gu, using effect of the crude oil pharmaceutical mixture in low temperature natural environment (such as winter) is preferably played, existing method can be used
Raise crude oil of low-coagulation or crude oil pharmaceutical mixture temperature.To reach preceding aim, pass through as those of ordinary skill in the art existing
There is method to can determine that crude oil of low-coagulation or crude oil pharmaceutical mixture need the temperature heated up；In order to reduce energy consumption and heat loss, use
Existing heat preserving method or tracing thermal-insulating method (or heating heat preserving method) keeps crude oil pharmaceutical mixture temperature.To reach foregoing mesh
Mark, can determine that crude oil pharmaceutical mixture adds exploitation or/and accumulating as those of ordinary skill in the art by existing method
Viscous crude, the temperature range that keeps of the temperature range in high solidifying oil or need；
Embodiment 3
A kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, includes the raw material of following weight percents：
The octanol liquid of 20% methyl naphthalene content 20%, 50% crude oil of low-coagulation, 25% water and 5% surface-active
Agent.
In order that in the solidifying oil of addition viscous crude, height of described crude oil pharmaceutical mixture evenly, saving the crude oil medicament
Amount of mixture, emulsion is mixed into by described crude oil pharmaceutical mixture and water addition surfactant, then by the emulsion
Add in the solidifying oil of viscous crude, the height of exploitation or/and accumulating；Described water can be secondary water or be coagulated from viscous crude, height in oil
The sewage containing emulsified crude oil isolated, water temperature is not less than the crude oil pharmaceutical mixture temperature；The surface-active added
Agent refers to commercially available nonionic surfactant, anion surfactant, cationic surfactant, high-molecular surface active
Any one or the mixing of two or more any arbitrary proportion of agent, amphoteric surfactant, biosurfactant and
The mixture of flocculation, precipitation reaction is not produced；In order to prevent the emulsion from producing solid content in low temperature environment (such as winter)
Or solidification, the emulsion temperature can be kept with existing heat preserving method or tracing thermal-insulating method (or heating heat preserving method)；
Experiment shows：By the octanol liquid of 20% methyl naphthalene content 20%, 50% crude oil of low-coagulation, 25% water and
The liquid that 5% surfactant is mixed into, is added dense in the viscous crude that Tahe Oilfield in Xinjiang oil extraction No.1 Factory TH12211 wells are produced
Spend for 10% when can reduce the viscosity more than 90% of the viscous crude；The liquid is added into the quiet 35-31- in Liaohe Oil Field according to 10% concentration
In the solidifying oil of height that 31 wells are produced, it is possible to decrease the height coagulates oil freezing point more than 7 DEG C.
Embodiment 4
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the butyl glycol ether liquid of the methyl naphthalene containing 10%1-.
Embodiment 5
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the butyl liquid of the methyl naphthalene containing 15%2-.
Embodiment 6
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the diethylene glycol ether liquid containing 20% mixed methylnaphthalene.
Embodiment 7
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the n-butyl ether liquid of the methyl naphthalene containing 25%1-.
Embodiment 8
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the isobutyl ether liquid of the methyl naphthalene containing 30%2-.
Embodiment 9
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the hexyl acetate liquid containing 33% mixed methylnaphthalene.
Embodiment 10
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the phenylacetate liquid of the methyl naphthalene containing 36%1-.
Embodiment 11
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the methyl benzoate liquid of the methyl naphthalene containing 39%2-.
Embodiment 12
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the 3- heptanone liquid containing 42% mixed methylnaphthalene.
Embodiment 13
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the methyln-hexyl ketone liquid of the methyl naphthalene containing 45%1-.
Embodiment 14
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is less than the 100 DEG C 25%1- being in a liquid state methyl naphthalenes and 75% polycyclic aromatic hydrocarbon mixing liquid.
Embodiment 15
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is less than the 100 DEG C 23%2- being in a liquid state methyl naphthalenes and 77% polycyclic aromatic hydrocarbon derivative mixing liquid.
Embodiment 16
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is less than 100 DEG C 17% mixed methylnaphthalenes being in a liquid state and 83% biphenyl mixing liquid.
Embodiment 17
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is less than the 100 DEG C 20%2- being in a liquid state methyl naphthalenes and 80% Petropols mixing liquid.
Embodiment 18
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the carbolic oil containing 30% mixed methylnaphthalene, naphtalene oil or coal tar liquid.
Embodiment 19
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the pyridine containing 30% mixed methylnaphthalene, quinoline or furan liquid.
Embodiment 20
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the crude oil of low-coagulation that the wax content containing 29%1- methyl naphthalenes, gum level are below 10%.
Embodiment 21
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
Be be liquid under the normal temperature containing 29%2- methyl naphthalenes Petropols liquid.
Embodiment 22
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is alkane solvent oil, aromatic solvent naphtha or alkene solvent fluid body containing 28%1- methyl naphthalenes.
Embodiment 23
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the 14- alkene containing 26% mixed methylnaphthalene, 12- alkene, cyclopentadiene, dicyclopentadiene, aromatic olefin, styrene, methylbenzene
Ethene or p-methylstyrene liquid.
Embodiment 24
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the diesel oil containing 25% mixed methylnaphthalene, plastic cracking oil or rubber cracking fluid body.
Embodiment 25
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the C9 aromatic cut containing 24% mixed methylnaphthalene, C10 aromartic cut, heavy aromatics cut, mixing heavy benzene liquid or stone
The bottom of towe or bottom residue of oleoresin production technology formation.
Embodiment 26
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the kerosene containing 22% mixed methylnaphthalene or heavy benzene liquid.
Embodiment 27
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the nonane containing 18% mixed methylnaphthalene, certain herbaceous plants with big flowers alkane or dodecane liquid.
Embodiment 28
Repeat embodiment 1, its difference only with a kind of described pour point depression of crude oil thinner containing methyl naphthalene liquid
It is the dimethylbenzene containing 18% mixed methylnaphthalene, trimethylbenzene, ethylbenzene or styrene liquid.
Embodiment 29
Mass temperature under normal temperature in solid content is increased to 30-100 DEG C, system by the method heated with water vapour (or hot water)
Into normal temperature to the high temperature methyl naphthalene liquid being in a liquid state between 100 DEG C, pour point depression of crude oil thinner is used as.
Experiment shows：Commodity 2- methyl naphthalenes under 50% normal temperature in solid-state are put into 50% mixed methylnaphthalene, are heated to
30 DEG C of methyl naphthalene liquid can be formed at 30 DEG C；To be at normal temperatures solid-state under 50% commodity 2- methyl naphthalenes and 50% normal temperature
Commodity naphthalene is mixed, and is then heated to 80 DEG C, can be formed 80 DEG C of methyl naphthalene liquid；Commodity under 50% normal temperature in solid-state are joined
Benzene is put into 50%1- methyl naphthalenes, is then heated to 50 DEG C, can form 50 DEG C of methyl naphthalene liquid；To be in solid under 50% normal temperature
The commodity naphthols of state is put into 50% mixed methylnaphthalene, is then heated to 80 DEG C, can form 80 DEG C of methyl naphthalene liquid；Will
It is put under 50% normal temperature in the commodity oil resin of solid-state in 50% mixed methylnaphthalene, is then heated to 80 DEG C, 80 can be formed
DEG C methyl naphthalene liquid；Cyclopentadiene autopolymer under 50% normal temperature in solid-state is put into 50% mixed methylnaphthalene, Ran Houjia
Heat can form 50 DEG C of methyl naphthalene liquid to 50 DEG C；Commodity 2-- methyl naphthalenes under 20% normal temperature in solid-state are put into 80% coal
In tar, 25 DEG C of methyl naphthalene liquid can be formed at normal temperatures；
Embodiment 30
Methyl naphthalene liquid is made in 2- methyl naphthalenes under normal temperature in solid-state, is dissolved in 2- methyl naphthalenes with existing method organic
In liquid, methyl naphthalene liquid is made；
Experiment shows：Commodity 2- methyl naphthalenes under 10% normal temperature in solid-state are put into 90% any one organic liquid,
Methyl naphthalene liquid can be made at normal temperatures.
Experiment shows：The methyl naphthalene liquid that will be made up of 10% 2- methyl naphthalenes and 90% any one organic liquid, plus
The viscosity of the viscous crude can be reduced by entering when the concentration in the viscous crude that Tahe Oilfield in Xinjiang oil extraction No.1 Factory TH12211 wells are produced is 10%
More than 90%；When the methyl naphthalene liquid is added in the solidifying oil of height that the quiet 35--31-31 wells in Liaohe Oil Field are produced according to 10% concentration,
The height can be reduced and coagulate oil freezing point more than 5 DEG C.
In order to which significantly more efficient utilization normal temperature is to the high temperature methyl naphthalene liquid being in a liquid state between 100 DEG C, by described normal temperature
The high temperature methyl naphthalene liquid being in a liquid state between to 100 DEG C is more uniformly added in the solidifying oil of viscous crude, the height of exploitation or/and accumulating, section
High temperature methyl naphthalene volume is saved, first with existing method by normal temperature to the high temperature methyl naphthalene liquid being in a liquid state between 100 DEG C and heat
Water is mixed, and adds surfactant, is made high temperature methyl naphthalene emulsifying liquid liquid, then with existing method by high temperature methyl naphthalene liquid
In the viscous crude of emulsion addition exploitation or/and accumulating, high solidifying oil, the freezing point of oil, viscosity are coagulated to reduce viscous crude, height, makes its suitable
Profit flowing；
Embodiment 31
In order to preferably utilize high temperature methyl naphthalene liquid, described high temperature methyl naphthalene liquid is more uniformly added into exploitation
Or/and in the solidifying oil of viscous crude, height of accumulating, save high temperature methyl naphthalene volume, make full use of the viscosity reduction of crude oil of low-coagulation, pour point depression to make
With the crude oil of low-coagulation resource with locality, high temperature methyl naphthalene liquid is allowed to produce cooperative effect with crude oil of low-coagulation, combination and cooperation reduction is thick
Oil, the high freezing point for coagulating oil, viscosity, crude oil medicine is mixed into existing method by described high temperature methyl naphthalene liquid and crude oil of low-coagulation
Agent composition, and added the crude oil pharmaceutical mixture in the solidifying oil of viscous crude, the height of exploitation or/and accumulating with existing method, to drop
Low viscous crude, the high freezing point for coagulating oil, viscosity, make viscous crude, high solidifying oily smooth flow；It is general as this area to reach preceding aim
Logical technical staff can determine the mixed proportion of methyl naphthalene liquid and crude oil of low-coagulation by existing method, and can determine described low
Temperature when solidifying crude oil is mixed with the high temperature methyl naphthalene liquid；
In order to prevent the crude oil pharmaceutical mixture from producing crystal, solid content or solidifying in low temperature natural environment (such as winter)
Gu, using effect of the crude oil pharmaceutical mixture in low temperature natural environment (such as winter) is preferably played, existing insulation can be used
Method or tracing thermal-insulating method (or heating heat preserving method) keep crude oil pharmaceutical mixture temperature.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.Here all embodiments can not be exhaustive.It is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (3)
1. a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, it is characterised in that：It is by methyl naphthalene and organic liquid group
Into；
The organic liquid is the mixture of any one or two or more arbitrary proportion mixtures of following liquid：
Pyridine, quinoline, furans, vegetable oil and cracking animal oil and biodiesel.
2. a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid according to claim 1, it is characterised in that the first
Base naphthalene liquid is normal temperature to the high temperature methyl naphthalene liquid being in a liquid state between 100 DEG C.
3. a kind of pour point depression of crude oil thinner containing methyl naphthalene liquid, it is characterised in that：Characterized in that, it be by methyl naphthalene,
Organic liquid, water and surfactant composition；
The organic liquid is the mixture of any one or two or more arbitrary proportion mixtures of following liquid：Pyridine, quinoline,
Furans, vegetable oil and cracking animal oil and biodiesel；
The surfactant is any one of cationic surfactant, amphoteric surfactant, biosurfactant
Or two or more mixing are without generation precipitation, the mixture of flocculation reaction.
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| CN102517104B (en) * | 2011-12-23 | 2015-03-18 | 上海应用技术学院 | Diesel oil pour point depressant composition, its preparation method and application |
| CN102634390B (en) * | 2012-04-24 | 2015-04-15 | 上海应用技术学院 | Acetate solvent based diesel oil pour point depressant, preparation method and application thereof |
| CN103965850A (en) * | 2014-05-13 | 2014-08-06 | 新疆福利精细化工厂 | Viscosity reducer for crude oil and preparation method thereof |
| CN106085384A (en) * | 2016-06-08 | 2016-11-09 | 中国石油天然气股份有限公司 | A kind of CO2handle up with oil pipe crude oil anticoagulant |
| CN106190061A (en) * | 2016-06-27 | 2016-12-07 | 梅庆波 | A kind of preparation method of asphaltic crude pour-point depressant |
| CN111075414B (en) * | 2018-10-22 | 2022-07-05 | 中国石油化工股份有限公司 | Effective oil-utilizing process for shallow medium-high permeability super heavy oil reservoir |
| CN109971448B (en) * | 2019-04-23 | 2021-06-29 | 中国海洋石油集团有限公司 | Twin-chain surfactant type thickened oil viscosity reducer |
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| CN101717626A (en) * | 2009-11-27 | 2010-06-02 | 北京东方亚洲石油技术服务有限公司 | Application of methylnaphthalene in lowering viscosity of thickened oil |
| CN101735788A (en) * | 2009-12-04 | 2010-06-16 | 北京东方亚洲石油技术服务有限公司 | Pour point depressant for crude oil |
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| CN101210173B (en) * | 2006-12-28 | 2013-04-24 | 李向东 | Highly effective pour depressant for thermodynamic oil extraction process |
| CN101007939A (en) * | 2007-01-13 | 2007-08-01 | 东营市神州化工有限公司 | Oil soluble heavy crude thinner |
| CN101235279B (en) * | 2007-02-02 | 2013-04-24 | 李向东 | Highly effective viscosity-reducing agent for thermodynamic oil extraction process |
| CN101839123B (en) * | 2010-03-26 | 2013-07-10 | 李向东 | Exploitation method for wax precipitation oil reservoir |
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| CN101717626A (en) * | 2009-11-27 | 2010-06-02 | 北京东方亚洲石油技术服务有限公司 | Application of methylnaphthalene in lowering viscosity of thickened oil |
| CN101735788A (en) * | 2009-12-04 | 2010-06-16 | 北京东方亚洲石油技术服务有限公司 | Pour point depressant for crude oil |
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