CN108590613A - The characterizing method and device of oil reservoir different temperatures restarting displacement pressure - Google Patents
The characterizing method and device of oil reservoir different temperatures restarting displacement pressure Download PDFInfo
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- CN108590613A CN108590613A CN201810243016.3A CN201810243016A CN108590613A CN 108590613 A CN108590613 A CN 108590613A CN 201810243016 A CN201810243016 A CN 201810243016A CN 108590613 A CN108590613 A CN 108590613A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 173
- 238000009736 wetting Methods 0.000 claims abstract description 38
- 239000010779 crude oil Substances 0.000 claims abstract description 25
- 238000004821 distillation Methods 0.000 claims abstract description 21
- 238000012512 characterization method Methods 0.000 claims description 18
- 238000004590 computer program Methods 0.000 claims description 6
- 239000010742 number 1 fuel oil Substances 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 description 10
- 239000010453 quartz Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000003860 storage Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
This application provides a kind of characterizing methods and device of oil reservoir different temperatures restarting displacement pressure, and this method comprises the following steps：Crude oil is distilled according to temperature, the oil product in different temperatures section after being distilled.Based on the oil product in different temperatures section after distillation, the surface tension of different temperatures section oil product is obtained according to the first pre-defined rule.Based on the oil product in different temperatures section after distillation, the angle of wetting of different temperatures section oil product is obtained according to the second pre-defined rule.According to the surface tension and angle of wetting of different temperatures section oil product, the adhesion work of different temperatures section oil product is obtained according to third pre-defined rule.The adhesion work of the different temperatures section oil product is the displacement pressure for being characterized as oil reservoir different temperatures restarting.The application can ensure that the crude oil in cold-zone and rich oil area is preferably drained to producing well, ensure the balanced extension in firewire leading edge high-temperature oxydation region.
Description
Technical field
The application belongs to technical field of petroleum extraction, and in particular to a kind of oil reservoir different temperatures restarting displacement pressure
Characterizing method and device.
Background technology
The light components in viscous crude can be burnt usually in heavy crude reservoir ignition process and generate heavy component, and heavy group
Divide and be difficult to carry out displacement in fireflood restarting, therefore the displacement pressure of restarting is obtained for viscous crude before viscous crude is lighted a fire
The igniting of oil reservoir is particularly significant.
However, all being promoted at present for the firewire during fireflood for the research of combustion in situ is most of.But it is lighting a fire
In the process, temperature field is tentatively established, and the firewire that restarting during fireflood is different from fireflood process promotes, therefore cannot
Firewire propulsion method and parameter are applied in the restarting of heavy crude reservoir.
For this, Oil production sites common practice can carry out the drive of characterization heavy crude reservoir using the adhesion work of reservoir
For pressure, and the adhesion work difficulty of scene directly test reservoir is high, and workload is very huge.
Invention content
In order to overcome the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of oil reservoir differences
The characterizing method and device of temperature restarting displacement pressure can simply and easily characterize the displacement pressure of oil reservoir.
The specific technical solution of the present invention is：
The present invention provides a kind of characterizing method of oil reservoir different temperatures restarting displacement pressure, includes the following steps：
Crude oil is distilled according to temperature, the oil product in different temperatures section after being distilled；
Based on the oil product in different temperatures section after distillation, the table of different temperatures section oil product is obtained according to the first pre-defined rule
Face tension；
Based on the oil product in different temperatures section after distillation, the profit of different temperatures section oil product is obtained according to the second pre-defined rule
Wet angle；
According to the surface tension and angle of wetting of different temperatures section oil product, different temperatures area is obtained according to third pre-defined rule
Between oil product adhesion work；
The adhesion work of the different temperatures section oil product is the displacement pressure for being characterized as oil reservoir different temperatures restarting.
In one preferred embodiment, carrying out distillation to crude oil according to temperature includes：
According to less than 250 DEG C；
250℃-300℃；
300℃-350℃；And
More than 350 DEG C, four temperature ranges distill crude oil.
In one preferred embodiment, first pre-defined rule is that different temperatures is calculated according to following formula
The surface tension of section oil product：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
In one preferred embodiment, second pre-defined rule is that different temperatures is calculated according to following formula
The angle of wetting of section oil product：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
In one preferred embodiment, the third pre-defined rule is that different temperatures is calculated according to following formula
The adhesion work of section oil product：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ tables
It is shown as the angle of wetting of oil product, unit degree.
In addition, the application also provides a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, including：
Module is distilled, is configured as distilling crude oil according to temperature, the oil product in different temperatures section after being distilled；
Surface tension module is configured as the oil product based on different temperatures section after distillation, is obtained according to the first pre-defined rule
To the surface tension of different temperatures section oil product；
Corner Block List Representation is soaked, the oil product based on different temperatures section after distillation is configured as, is obtained according to the second pre-defined rule
The angle of wetting of different temperatures section oil product；
Acquisition module is configured as surface tension and angle of wetting according to different temperatures section oil product, predetermined according to third
Rule obtains the adhesion work of different temperatures section oil product；
Characterization module, the adhesion work for being configured as the different temperatures section oil product are characterized as that oil reservoir different temperatures is secondary to be opened
Dynamic displacement pressure.
In one preferred embodiment, the distillation module is configured as carrying out distillation packet to crude oil according to temperature
It includes：
According to less than 250 DEG C；
250℃-300℃；
300℃-350℃；And
More than 350 DEG C, four temperature ranges distill crude oil.
In one preferred embodiment, the surface tension module is specifically configured to calculate according to following formula
To the surface tension of different temperatures section oil product：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
In one preferred embodiment, the wetting Corner Block List Representation is specifically configured to be calculated according to following formula
The angle of wetting of different temperatures section oil product：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
In one preferred embodiment, the acquisition module is specifically configured to be calculated not according to following formula
The adhesion work of synthermal section oil product：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ tables
It is shown as the angle of wetting of oil product, unit degree.
Meanwhile the application also provides a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, including storage
Device and processor store computer program in memory, and the computer program is realized following when being executed by the processor
Step：The characterizing method of oil reservoir different temperatures restarting displacement pressure as described above.
By above technical solution, the advantageous effect of the application is：The oil reservoir different temperatures restarting of the application
The characterizing method and device of displacement pressure can succeed restarting oil reservoir, characterize the displacement pressure of oil reservoir restarting, ensure
Preferably excretion makes temperature field Quick Extended to the crude oil in cold-zone and rich oil area to producing well, ensures firewire leading edge high-temperature oxydation area
The balanced extension in domain, ensures that fireflood quickly puies forward effect.
With reference to following description and accompanying drawings, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It is used in a other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, the shape and proportional sizes etc. of each component in figure are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings：
Fig. 1 is the characterizing method flow chart of the oil reservoir different temperatures restarting displacement pressure of the application embodiment；
Fig. 2 is the characterization apparatus module map of the oil reservoir different temperatures restarting displacement pressure of the application embodiment.
Specific implementation mode
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant Listed Items.
As shown in Figure 1, the application provides a kind of characterizing method of oil reservoir different temperatures restarting displacement pressure, including with
Lower step：
S1：Crude oil is distilled according to temperature, the oil product in different temperatures section after being distilled.
S2：Based on the oil product in different temperatures section after distillation, different temperatures section oil product is obtained according to the first pre-defined rule
Surface tension.
S3：Based on the oil product in different temperatures section after distillation, different temperatures section oil product is obtained according to the second pre-defined rule
Angle of wetting.
S4：According to the surface tension and angle of wetting of different temperatures section oil product, not equality of temperature is obtained according to third pre-defined rule
Spend the adhesion work of section oil product.
S5：The adhesion work of the different temperatures section oil product is the displacement pressure for being characterized as oil reservoir different temperatures restarting.
In the above-described embodiment, it to characterize the restarting displacement pressure of oil reservoir different temperatures, first has to using evaporating
Journey experiment distills crude oil according to temperature.Specifically, it can be tested using boiling range and crude oil is cut, crude oil is divided into
Less than 250 DEG C, 250 DEG C -300 DEG C, 300 DEG C -350 DEG C, and it is more than 350 DEG C, four temperature range sections, to obtain this four
The oil product of temperature range section.
Oil product again based on this four temperature range sections can obtain different temperatures section oil product according to the first pre-defined rule
Surface tension.First pre-defined rule is the surface tension that different temperatures section oil product is calculated according to following formula：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
Different temperatures area is calculated according to the second pre-defined rule in the oil product that may then based on this four temperature range sections
Between oil product angle of wetting：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
It needs to illustrate, the angle of wetting of different temperatures section oil product can be based on the table of different temperatures section oil product
Face tension obtains.Specifically, Wilhelmy can be utilized to hang the surface tension that piece method measures different temperatures section oil product, test-strips
Part is standard atmospheric pressure.
Oil sample can be put into liftable cylindrical sample pond before test, quartz plate is suspended on microbalance
(10 μ g of precision).Sample cell is with 3mmmin when test-1Rate slowly rise, until liquid level just contacts quartz plate following table
Face, liquid level is parallel with the quartz plate lower surface hung always in uphill process, and experiment table top keeps shockproof.When liquid level just
When touching quartz plate lower surface, the wetting action due to liquid to quartz plate, liquid can be formed on quartz plate rear surface
Meniscus and cause in sample cell liquid levels to decline, when with hanging piece method test sample piece surface tension, sample strip can be by weight
Power, meniscus gravity (w) and buoyancy (Fb) collective effect.Since instrument is by gravity automatic clear before test, therefore resultant action
Power F can be reduced to：
F=w+Fb；
Then it can utilize following formula that the angle of wetting θ of different temperatures section oil product is calculated：
Wherein, F is expressed as total force (experiment can be measured directly), unit N (ox)；σ is expressed as the surface of oil product
Power, unit mN/m (MN/m)；θ is expressed as the angle of wetting of oil product, unit degree；L is expressed as the length of quartz plate, unit mm；t
It is expressed as the thickness of quartz plate, unit mm；R is expressed as the bottom surface radius in cylindrical sample pond, unit mm.
According to test situation, this experiment can be brought into value r=32.70mm, l=24mm, t=0.18mm in formula.
Finally, it can be obtained according to third pre-defined rule according to the surface tension and angle of wetting of different temperatures section oil product
The adhesion work of different temperatures section oil product.Wherein third pre-defined rule is that different temperatures section oil is calculated according to following formula
The adhesion work of product：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ tables
It is shown as the angle of wetting of oil product, unit degree.
To which the adhesion work of the different temperatures section oil product can be characterized as the displacement of oil reservoir different temperatures restarting
Pressure.Because adhesion work is since oil component changes, the heavy constituent in crude oil has been adhered in hole wall, leads to pore radius
Reduce, the fluid flow resistance in hole increases, and flow resistance increases, then needs to increase displacement pressure.
It can be seen that letter can be utilized using the characterizing method of the oil reservoir different temperatures restarting displacement pressure of the application
Single boiling range experiment determines the surface tension and angle of wetting of different temperatures segment, then calculates different temperatures area using formula
Between oil product adhesion work, which can be characterized as the displacement pressure of oil reservoir different temperatures restarting.This method have compared with
High accuracy rate can be implemented by the displacement pressure of computational representation restarting at crude oil fireflood igniting scene.
Based on same inventive concept, a kind of oil reservoir different temperatures restarting displacement pressure is additionally provided in the embodiment of the present invention
The characterization apparatus of power, as described in the following examples.Since a kind of characterization of oil reservoir different temperatures restarting displacement pressure fills
It is similar to a kind of characterizing method of oil reservoir different temperatures restarting displacement pressure to set the principle solved the problems, such as, therefore oil reservoir is different
The implementation of the characterization apparatus of temperature restarting displacement pressure may refer to the table of oil reservoir different temperatures restarting displacement pressure
The implementation of sign method, overlaps will not be repeated.Used below, predetermined work(may be implemented in term " unit " or " module "
The combination of the software and/or hardware of energy.It is hard although device described in following embodiment is preferably realized with software
The realization of the combination of part or software and hardware is also that may and be contemplated.
As shown in Fig. 2, the present invention also provides a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, packet
It includes：
Module 101 is distilled, is configured as distilling crude oil according to temperature, the oil in different temperatures section after being distilled
Product.
Surface tension module 102 is configured as the oil product based on different temperatures section after distillation, according to the first pre-defined rule
Obtain the surface tension of different temperatures section oil product.
Corner Block List Representation 103 is soaked, the oil product based on different temperatures section after distillation is configured as, is obtained according to the second pre-defined rule
To the angle of wetting of different temperatures section oil product.
Acquisition module 104 is configured as surface tension and angle of wetting according to different temperatures section oil product, pre- according to third
Set pattern then obtains the adhesion work of different temperatures section oil product.
Characterization module 105, the adhesion work for being configured as the different temperatures section oil product are characterized as oil reservoir different temperatures two
The displacement pressure of secondary startup.
The distillation module 101 is configured as carrying out distillation to crude oil according to temperature：
According to less than 250 DEG C；
250℃-300℃；
300℃-350℃；And
More than 350 DEG C, four temperature ranges distill crude oil.
The surface tension module 102 is specifically configured to that different temperatures section oil product is calculated according to following formula
Surface tension：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
The wetting Corner Block List Representation 103 is specifically configured to that the profit of different temperatures section oil product is calculated according to following formula
Wet angle：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
The acquisition module 104 is specifically configured to that the adherency of different temperatures section oil product is calculated according to following formula
Work(：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ tables
It is shown as the angle of wetting of oil product, unit degree.
In addition, the present invention also provides a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, including storage
Device and processor store computer program in memory, and the computer program by the processor when being executed, more than realization
The step of characterizing method of the oil reservoir different temperatures restarting displacement pressure.
In the present embodiment, the memory may include the physical unit for storing information, typically by information
It is stored again with the media using the methods of electricity, magnetic or optics after digitlization.Memory described in present embodiment again may be used
To include：The device of information, such as RAM, ROM are stored in the way of electric energy；The device of information is stored in the way of magnetic energy, it is such as hard
Disk, floppy disk, tape, core memory, magnetic bubble memory, USB flash disk；The device that information is stored using optical mode, such as CD or DVD.
Certainly, also memory of other modes, such as quantum memory, graphene memory etc..
In the present embodiment, the processor can be implemented in any suitable manner.For example, the processor can be with
Take such as microprocessor or processor and storage can by computer readable program code that (micro-) processor executes (such as
Software or firmware) computer-readable medium, logic gate, switch, application-specific integrated circuit (Application Specific
Integrated Circuit, ASIC), the form etc. of programmable logic controller (PLC) and embedded microcontroller.
The concrete function that the server that this specification embodiment provides, processor and memory are realized, can be with this
Aforementioned embodiments in specification contrast explanation.
In another embodiment, additionally provide a kind of software, the software for execute above-described embodiment and preferably
Technical solution described in embodiment.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium,
The storage medium includes but not limited to：CD, floppy disk, hard disk, scratch pad memory etc..
As can be seen from the above description, embodiment of the present invention realizes following technique effect：The oil reservoir of the application
The characterizing method and device of different temperatures restarting displacement pressure can succeed restarting oil reservoir, characterize oil reservoir restarting
Displacement pressure, ensure that preferably excretion makes temperature field Quick Extended to producing well for the crude oil in cold-zone and rich oil area, ensures firewire
The balanced extension in leading edge high-temperature oxydation region, ensures that fireflood quickly puies forward effect.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
It is realized with general computing device, they can be concentrated on a single computing device, or be distributed in multiple computing devices
On the network formed, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and be performed by computing device in the storage device, and in some cases, can be to be held different from sequence herein
The shown or described step of row, either they are fabricated to each integrated circuit modules or will be multiple in them
Module or step are fabricated to single integrated circuit module to realize.In this way, the embodiment of the present invention be not limited to it is any specific hard
Part and software combine.
All articles and reference of present disclosure, including patent application and publication, pass through for various purposes
It quotes and is hereby incorporated by.The term " substantially by ... constitute " for describing combination should include identified element, ingredient, component or step
And other elements, ingredient, component or step essentially without the basic novel feature for influencing the combination.Use term " packet
Containing " or " comprising " come describe element here, ingredient, component or step combination it is also contemplated that substantially by these elements, ingredient,
The embodiment that component or step are constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described
Any attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined with reference to foregoing description, but should with reference to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part for theme.
Claims (11)
1. a kind of characterizing method of oil reservoir different temperatures restarting displacement pressure, which is characterized in that include the following steps：
Crude oil is distilled according to temperature, the oil product in different temperatures section after being distilled；
Based on the oil product in different temperatures section after distillation, the table of different temperatures section oil product is obtained according to first pre-defined rule
Face tension；
Based on the oil product in different temperatures section after distillation, the wetting of different temperatures section oil product is obtained according to the second pre-defined rule
Angle；
According to the surface tension and angle of wetting of different temperatures section oil product, different temperatures section oil is obtained according to third pre-defined rule
The adhesion work of product；
The adhesion work of the different temperatures section oil product is the displacement pressure for being characterized as oil reservoir different temperatures restarting.
2. the characterizing method of oil reservoir different temperatures restarting displacement pressure according to claim 1, which is characterized in that press
Carrying out distillation to crude oil according to temperature includes：
According to less than 250 DEG C；
250℃-300℃；
300℃-350℃；And
More than 350 DEG C, four temperature ranges distill crude oil.
3. the characterizing method of oil reservoir different temperatures restarting displacement pressure according to claim 1, which is characterized in that institute
It is the surface tension that different temperatures section oil product is calculated according to following formula to state the first pre-defined rule：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
4. the characterizing method of oil reservoir different temperatures restarting displacement pressure according to claim 1, which is characterized in that institute
It is the angle of wetting that different temperatures section oil product is calculated according to following formula to state the second pre-defined rule：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
5. the characterizing method of oil reservoir different temperatures restarting displacement pressure according to claim 1, which is characterized in that institute
It is the adhesion work that different temperatures section oil product is calculated according to following formula to state third pre-defined rule：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ is expressed as
The angle of wetting of oil product, unit degree.
6. a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, which is characterized in that including：
Module is distilled, is configured as distilling crude oil according to temperature, the oil product in different temperatures section after being distilled；
Surface tension module is configured as the oil product based on different temperatures section after distillation, is obtained not according to the first pre-defined rule
The surface tension of synthermal section oil product；
Corner Block List Representation is soaked, the oil product based on different temperatures section after distillation is configured as, difference is obtained according to the second pre-defined rule
The angle of wetting of temperature range oil product；
Acquisition module is configured as surface tension and angle of wetting according to different temperatures section oil product, according to third pre-defined rule
Obtain the adhesion work of different temperatures section oil product；
Characterization module, the adhesion work for being configured as the different temperatures section oil product are characterized as oil reservoir different temperatures restarting
Displacement pressure.
7. the characterization apparatus of oil reservoir different temperatures restarting displacement pressure according to claim 6, which is characterized in that institute
It states distillation module and is configured as that crude oil distill according to temperature and include：
According to less than 250 DEG C；
250℃-300℃；
300℃-350℃；And
More than 350 DEG C, four temperature ranges distill crude oil.
8. the characterization apparatus of oil reservoir different temperatures restarting displacement pressure according to claim 6, which is characterized in that institute
Surface tension module is stated to be specifically configured to that the surface tension of different temperatures section oil product is calculated according to following formula：
Wherein, σ is expressed as the surface tension of oil product, unit mN/m；T is expressed as temperature, unit DEG C.
9. the characterization apparatus of oil reservoir different temperatures restarting displacement pressure according to claim 6, which is characterized in that institute
Wetting Corner Block List Representation is stated to be specifically configured to that the angle of wetting of different temperatures section oil product is calculated according to following formula：
Wherein, θ is expressed as the angle of wetting of oil product, unit degree；T is expressed as temperature, unit DEG C.
10. the characterization apparatus of oil reservoir different temperatures restarting displacement pressure according to claim 7, which is characterized in that
The acquisition module is specifically configured to that the adhesion work of different temperatures section oil product is calculated according to following formula：
Wn=σ (1+cos θ)；
Wherein, WnIt is expressed as the adhesion work of oil product, unit mN/m；σ is expressed as the surface tension of oil product, unit mN/m；θ is expressed as
The angle of wetting of oil product, unit degree.
11. a kind of characterization apparatus of oil reservoir different temperatures restarting displacement pressure, which is characterized in that including memory and processing
Device stores computer program in memory, and the computer program realizes following steps when being executed by the processor：Such as
The characterizing method of oil reservoir different temperatures restarting displacement pressure described in any one of claim 1 to 5.
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