CN108613898A - The determination method and apparatus of heavy oil wells light oil mixing amount - Google Patents
The determination method and apparatus of heavy oil wells light oil mixing amount Download PDFInfo
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- CN108613898A CN108613898A CN201611128739.6A CN201611128739A CN108613898A CN 108613898 A CN108613898 A CN 108613898A CN 201611128739 A CN201611128739 A CN 201611128739A CN 108613898 A CN108613898 A CN 108613898A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
Abstract
The present invention provides a kind of determination method and apparatus of heavy oil wells light oil mixing amount, and this method includes：It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition；According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.Determined in due course according to thin oil density and viscous crude well yield and mix dilute ratio, and then determine light oil mixing amount, avoid the problem that light oil mixing amount it is too big or it is too small cause economic cost to increase, effectively improve crude output and save thin oil.
Description
Technical field
The present invention relates to exploitation of oil-gas field engineering technology more particularly to the determination methods and dress of a kind of heavy oil wells light oil mixing amount
It sets.
Background technology
During oil extraction in oil field, heavy oil wells mix it is dilute, with facilitate exploitation, generally mixed using oil well dilute
Well, selection suitably mix dilute comparisons heavy oil wells and mix dilute, can not only reach individual well optimum point of production, be returned on prevention oil well viscous crude
Occur, moreover it is possible to save thin oil use, play an important roll for the problem of alleviation oil field thin oil inadequate resource.Determination is mixed dilute at present
The mode of amount is usually to calculate by Crude viscosity or add by rule of thumb, if often resulting in, light oil mixing amount is excessive or too small light oil mixing amount control
It makes improper or takes improperly measure that may lead to soil-well jam, follow-up de-plugging work not only wastes time and fund, to reservoir
Also there is certain injury, cause oil well production abnormal or cause economic cost to increase since light oil mixing amount is excessive.
Therefore, how the problem of light oil mixing amount becomes urgent need to resolve is more accurately determined.
Invention content
The present invention provides a kind of determination method and apparatus of heavy oil wells light oil mixing amount, for more accurately determining light oil mixing amount.
First aspect present invention provides a kind of determination method of heavy oil wells light oil mixing amount, including：
It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition；
According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
Optionally, if viscous crude and the front and back constancy of volume of thin oil mixing, described according to the viscous crude density and the thin oil
Density mixes dilute ratio using mass conservation law acquisition, including：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Optionally, the crude output according to heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount, including：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
Second aspect of the present invention provides a kind of determining device of heavy oil wells light oil mixing amount, including：
Acquisition module, user, which obtains, to wait mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
Processing module, for according to the viscous crude density and the thin oil density, being mixed using mass conservation law acquisition dilute
Than；
The processing module be additionally operable to according to the heavy oil productions of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
Optionally, if viscous crude and the front and back constancy of volume of thin oil mixing, the processing module are specifically used for：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Optionally, the processing module also particularly useful for：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
Third aspect present invention provides a kind of terminal device, including：Have program stored therein instruction memory, for controlling journey
The processor of sequence instruction execution；
The processor is used for：
It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition；
According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
Optionally, if viscous crude and the front and back constancy of volume of thin oil mixing, the processor are specifically used for：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Optionally, the processor also particularly useful for：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
The determination method and apparatus of heavy oil wells light oil mixing amount provided by the invention, obtain in real time wait mixing it is thick in dilute heavy oil wells
It oil density and can carry out mixing dilute thin oil density, according to the viscous crude density and the thin oil density, using mass conservation law
Dilute ratio is mixed in acquisition, according to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.By according to thin oil density and thick
Oily well yield determines in due course mixes dilute ratio, and then determines light oil mixing amount, avoids light oil mixing amount too big or too small economic cost is caused to increase
The problem of adding, effectively improves crude output and saves thin oil.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow chart of the determination embodiment of the method one of heavy oil wells light oil mixing amount provided by the invention；
Fig. 2 is the structural schematic diagram of the determination device embodiment one of heavy oil wells light oil mixing amount provided by the invention；
Fig. 3 is the structural schematic diagram of terminal device embodiment one provided by the invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow chart of the determination embodiment of the method one of heavy oil wells light oil mixing amount provided by the invention；As shown in Figure 1, should
The determination method of heavy oil wells light oil mixing amount is mainly used for combining the parameters such as yield and density, the density of thin oil of crude oil, comprehensive true
Determine light oil mixing amount, concrete implementation step includes：
S101：It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density.
In this step, the crude oil in heavy oil wells is carried out to mix dilute light oil mixing amount using thin oil in order to determine, it is necessary first to
The density of viscous crude and thin oil is obtained, specific mode can be the density being detected separately sampled to viscous crude and thin oil, or
Person obtains density according to volume and Mass Calculation.
S102：According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition.
In this step, according to mass conservation law viscous crude and thin oil mix it is dilute after, mix it is dilute after contaminated product quality
Equal to viscous crude quality and thin oil quality sum, and the formula of dilute ratio is mixed, can be obtained mixing dilute ratio according to density and volume.
In this process, it can be assumed that viscous crude property is unrelated with other factors such as mixing dilute depth and mixing dilute stabilization, viscous crude
Do not chemically reacted in thin oil mixed process, and viscous crude and thin oil mixing it is front and back volume it is also unchanged, i.e. volume also conservation,
The volume of i.e. mixed contaminated product is equal to the sum of viscous crude volume and thin oil volume, and can replace out the volume ginseng mixed in dilute ratio accordingly
Number obtains mixing dilute more related with the density of viscous crude density, thin oil density and contaminated product than only.
S103：According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
In this step, obtained mixing it is dilute than formula after, can be according to the heavy oil production for mixing dilute ratio and heavy oil wells
Light oil mixing amount is determined as the case may be, and light oil mixing amount is dilute than being multiplied with yield as a result, being mixed to optimize equal to mixing under normal circumstances
Dilute process, can under different thin oil density or contaminated product density conditions, determine it is different it is optimal mix dilute ratio, then according to really
Make it is optimal mix dilute than obtaining corresponding optimal light oil mixing amount, viscous crude mix further according to obtained light oil mixing amount dilute.
The determination method of heavy oil wells light oil mixing amount provided in this embodiment, by real time according to thin oil density and heavy oil wells
Dilute ratio is mixed in determination to yield in due course, so that it is determined that light oil mixing amount, can be adjusted light oil mixing amount according to actual production and density, avoid root
According to empirically determined light oil mixing amount is too big or too small the problem of causing economic cost to increase, effectively improves crude output and save dilute
Oil.
On the basis of the above embodiments, below as one example to the determination method of heavy oil wells light oil mixing amount provided by the invention
It illustrates.
In the inventive solutions, the viscous crude in heavy oil wells is to wait mixing dilute crude oil, i.e., following scheme Crude Oil
Refer to the viscous crude in heavy oil wells.
During the oil extraction in oil field, influenced by season environment, it is therefore desirable to mix it is dilute after the density of contaminated product have
Institute is different, and in oil extraction process, the self-produced density in oil field is 0.78~0.85g/cm3Thin oil, with density reach 0.94g/cm3
After above heavy crude (i.e. viscous crude) mixing, 0.90~0.92g/cm can be formed3Mixing light oil (i.e. contaminated product) due to density, glues
Degree is related with temperature, and winter density mixes dilute rear contaminated product density in 0.90g/cm3Hereinafter, summer, density was in 0.92g/cm3Below.
It is assumed that condition：
1., thin oil mixed with viscous crude after without chemical reaction；
2., thin oil is thoroughly mixed with viscous crude and to mix front and back volume unchanged；
3., oil property with mix that dilute depth, to mix dilute temperature irrelevant.
Above-mentioned steps 102 can be implemented as：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, can obtain
It mixes dilute than the wallpaper that M is thin oil quality and viscous crude quality, i.e. basisIt can obtain and mix dilute ratio
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Under normal circumstances, contaminated product density is in 0.90g/cm after winter lifting thickened oil is dilute3, summer, contaminated product density was in 0.92g/cm3,
Obtain the optimal determination formula for mixing dilute ratio of winter, summer, such as the following table 1：
Table 1
In above table, ρIt is dilute、ρIt is formerThe respectively density of thin oil, crude oil, unit g/m3；M is to mix dilute ratio, dimensionless.
It mixes dilute when oil well output according to winter, the optimal of summer and can determine optimal light oil mixing amount.
Q=M × q
In formula, Q, q are respectively light oil mixing amount, crude oil yield, unit m3/ h, M are to mix dilute ratio, dimensionless.
The present invention divide season formulate various criterion, scene according to thin oil density and oil production variation adjust in time it is optimal mix it is dilute
Than, and then determine optimal light oil mixing amount.It is adjusted, is being ensured by mixing dilute bigger well to live more mouthfuls according to context of methods
Oil well improves crude output, saving thin oil effect under the premise of normally exploiting more apparent.
Fig. 2 is the structural schematic diagram of the determination device embodiment one of heavy oil wells light oil mixing amount provided by the invention；Such as Fig. 2 institutes
Show, the determining device 10 of heavy oil wells light oil mixing amount provided in this embodiment includes at least：Acquisition module 11 and processing module 12；Its
In,
Acquisition module 11 waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density for obtaining；
Processing module 12, for according to the viscous crude density and the thin oil density, being mixed using mass conservation law acquisition
Dilute ratio；
The processing module 12 be additionally operable to according to the heavy oil productions of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
The determining device of heavy oil wells light oil mixing amount provided in this embodiment, the method provided for executing aforementioned any embodiment
The technical solution of embodiment, implementing principle and technical effect are similar, by real time according to the production of thin oil density and heavy oil wells
Dilute ratio is mixed in determination to amount in due course, so that it is determined that light oil mixing amount, can be adjusted light oil mixing amount according to actual production and density, avoid basis
Empirically determined light oil mixing amount is too big or too small the problem of causing economic cost to increase, and effectively improves crude output and saves dilute
Oil.
In the embodiment two of the determining device of the heavy oil wells light oil mixing amount, if viscous crude and the front and back constancy of volume of thin oil mixing,
Then the processing module 12 is specifically used for：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Optionally, the processing module 12 also particularly useful for：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
The determining device of heavy oil wells light oil mixing amount provided in this embodiment, the method provided for executing aforementioned any embodiment
The technical solution of embodiment, implementing principle and technical effect are similar, and details are not described herein.
Fig. 3 is the structural schematic diagram of terminal device embodiment one provided by the invention, as shown in figure 3, the terminal device 20
Including memory 21 and processor 22；
The processor 22 is used for：
It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition；
According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
Optionally, if viscous crude and the front and back constancy of volume of thin oil mixing, the processor 22 are specifically used for：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=
vIt is dilute+vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteTable
Show the density of thin oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
Optionally, the processor 22 also particularly useful for：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
Terminal device provided in this embodiment, the technical side for executing the embodiment of the method that aforementioned any embodiment provides
Case, implementing principle and technical effect are similar, and details are not described herein.
In any embodiment of above-mentioned terminal device, it should be appreciated that processor can be central processing unit (English：
Central Processing Unit, referred to as：CPU), it can also be other general processors, digital signal processor (English：
Digital Signal Processor, referred to as：DSP), application-specific integrated circuit (English：Application Specific
Integrated Circuit, referred to as：ASIC) etc..General processor can be microprocessor or the processor can also be
Any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware processor
Execute completion, or in processor hardware and software module combination execute completion.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：Read-only memory (English
Text：Read-only memory, abbreviation：ROM), RAM, flash memory, hard disk, solid state disk, tape (English：magnetic
Tape), floppy disk (English：Floppy disk), CD (English：Optical disc) and its arbitrary combination.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of determination method of heavy oil wells light oil mixing amount, which is characterized in that including：
It obtains and waits mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition；
According to the heavy oil production of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
2. according to the method described in claim 1, it is characterized in that, if viscous crude and the front and back constancy of volume of thin oil mixing, described
According to the viscous crude density and the thin oil density, dilute ratio is mixed using mass conservation law acquisition, including：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=vIt is dilute+
vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteIndicate dilute
The density of oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
3. according to the method described in claim 2, it is characterized in that, the crude output according to heavy oil wells and it is described mix it is dilute
Than, light oil mixing amount is obtained, including：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
4. a kind of determining device of heavy oil wells light oil mixing amount, which is characterized in that including：
Acquisition module, user, which obtains, to wait mixing the density of the viscous crude in dilute heavy oil wells and can carry out mixing dilute thin oil density；
Processing module, for according to the viscous crude density and the thin oil density, mixing dilute ratio using mass conservation law acquisition；
The processing module be additionally operable to according to the heavy oil productions of heavy oil wells and it is described mix dilute ratio, obtain light oil mixing amount.
5. device according to claim 4, which is characterized in that if viscous crude and the front and back constancy of volume of thin oil mixing, described
Processing module is specifically used for：
Using conservation of mass formula ρIt is dilutevIt is dilute+ρIt is formervIt is former=ρIt is mixedvIt is mixedAnd constancy of volume formula v before and after viscous crude and thin oil mixingIt is mixed=vIt is dilute+
vIt is former, obtain
Dilute ratio is mixed in acquisition
Wherein, vIt is diluteIndicate the volume of thin oil, vIt is formerIndicate the volume of viscous crude, vIt is mixedIndicate the volume of mixed contaminated product, ρIt is diluteIndicate dilute
The density of oil, ρIt is formerIndicate the density of viscous crude, ρIt is mixedIndicate that the density of mixed contaminated product, M expressions mix dilute ratio.
6. device according to claim 5, which is characterized in that the processing module also particularly useful for：
According to dilute heavy oil production q than M and heavy oil wells is mixed, using Q=M × q, light oil mixing amount Q is obtained.
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