CN109281648A - Method and apparatus for determining a reasonable well pattern density of an oil reservoir - Google Patents
Method and apparatus for determining a reasonable well pattern density of an oil reservoir Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000011084 recovery Methods 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000001186 cumulative effect Effects 0.000 claims description 41
- 238000003306 harvesting Methods 0.000 claims description 27
- 238000005553 drilling Methods 0.000 claims description 24
- 239000004519 grease Substances 0.000 claims description 7
- 238000012417 linear regression Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims 60
- 239000010779 crude oil Substances 0.000 claims 1
- 238000012905 input function Methods 0.000 abstract 2
- 230000006870 function Effects 0.000 description 105
- 230000037230 mobility Effects 0.000 description 74
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- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
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- 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
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
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- E21B41/0092—
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Abstract
The invention discloses a method and a device for determining reasonable well pattern density of an oil reservoir, and belongs to the technical field of oil and gas exploitation. The method comprises the following steps: determining a first mobility, a first oil-water well ratio, a first accumulated injection-production ratio and a first oil layer thickness of a target oil reservoir; determining the type of the target oil reservoir according to the first flow; acquiring a first reservoir coefficient of a target reservoir according to the type of the target reservoir; determining a target relational expression according to the first oil reservoir coefficient, the well pattern density of the target oil reservoir and the relational expression between the recovery factors; determining a recovery function according to the target relational expression, the first mobility, the first oil-water well ratio, the first accumulated injection-recovery ratio and the first oil layer thickness, and determining a total input function and a total output function according to the well pattern density parameter and the recovery function; determining economic limit well pattern density and economic optimal well pattern density according to the total input function and the total output function; and determining a first reasonable well pattern density according to the economic limit well pattern density and the economic optimal well pattern density.
Description
Technical field
The present invention relates to oil and gas exploration technology field, in particular to a kind of reasonable well pattern density of determining oil reservoir
Method and apparatus.
Background technique
Well spacing density is an important indicator in oilfield development program design, its size is directly related to oil reservoir harvesting
Rate and the economic benefit of oil field development.And the fault block of Complex Fault Block Oil Reservoir is small, construction and reservoir distribution are complicated, reservoir space variation
Greatly, poor continuity, therefore, the design of the reasonable well pattern density of Complex Fault Block Oil Reservoir are even more important.
The reasonable well pattern density of Complex Fault Block Oil Reservoir will not only adapt to the characteristic distributions of oil reservoir and reservoir, while meet effect again
The condition of benefit exploitation.Therefore, before developing Complex Fault Block Oil Reservoir, it is thus necessary to determine that the reasonable well pattern density of Complex Fault Block Oil Reservoir.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of the reasonable well pattern density of determining oil reservoir, can be improved determination
The accuracy of the reasonable well pattern density of Complex Fault Block Oil Reservoir.The technical solution is as follows:
On the one hand, a kind of method of the reasonable well pattern density of determining oil reservoir is provided, which comprises
Determine the first mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first core intersection of target reservoir；
According to first mobility, the type of the target reservoir is determined；
According to the type of the target reservoir, from obtaining the target reservoir in the corresponding relationship of type and oil reservoir coefficient
First oil reservoir coefficient；
According to the first oil reservoir coefficient, the target reservoir well spacing density and recovery ratio between relational expression, determine
The relationship by objective (RBO) formula of the target reservoir；
According to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio, first cumulative voidage replacement ratio
With first core intersection, determine the harvesting function of the target reservoir, the harvesting function be include well spacing density parameter
Function；
According to the well spacing density parameter of the target reservoir, the target reservoir comprising the well spacing density parameter is determined
Total investment volume function, and, according to the harvesting function of the target reservoir, determine described comprising the well spacing density parameter
The Gross Output volume function of target reservoir；
According to total investment volume function and the Gross Output volume function, the economic limit well pattern of the target reservoir is determined
Density and economic optimum well spacing density；
According to the economy ultimate well spacing density and the economic optimum well spacing density, the first of the target reservoir is determined
Reasonable well pattern density.
In a possible implementation, the method also includes:
Obtain the type of each sample oil reservoir in multiple sample oil reservoirs, the second mobility, the second oil-water well number ratio, second tired
Product injection-production ratio, the second core intersection and the second reasonable well pattern density；
For the type of each sample oil reservoir, according to the second mobility of the sample oil reservoir of the type, the second grease
Well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, by linear regression method, determine described in
Second oil reservoir coefficient of type；
According to the type and the second oil reservoir coefficient of each sample oil reservoir, establishes type and the corresponding of oil reservoir coefficient is closed
System.
It is described according to the well spacing density parameter in a possible implementation, determine to include the well spacing density
Total investment volume function of the target reservoir of parameter, comprising:
Determine that the unit of the target reservoir is drilled well cost, average individual well drilling depth, individual well ground investment, oil area；
Well cost, average the individual well drilling depth, the individual well ground are drilled according to the well spacing density parameter, the unit
Investment and the oil area determine total investment volume function of the target reservoir by following formula one；
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is described
Unit is drilled well cost, and H is the average individual well drilling depth, and g is the individual well ground investment.
In a possible implementation, the harvesting function according to the target reservoir determines to include the well
The Gross Output volume function of the target reservoir of reticular density parameter, comprising:
With determining the oil field of the target reservoir comprehensive tax of oil in place, oil sale price, ton oil operating cost, ton oil
Gold and commodity rate；
According to the recovery ratio function, the oil field oil in place, the oil sale price, the ton oil operation at
Originally, the ton oil comprehensive tax and the commodity rate pass through the Gross Output volume function that following formula two determines the target reservoir；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSIt is adopted to be described
Yield function, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is described the
One cumulative voidage replacement ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is
The ton oil operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
It is described according to total investment volume function and the Gross Output volume function in a possible implementation, really
The economy ultimate well spacing density and economic optimum well spacing density of the fixed target reservoir, comprising:
Determine the mesh in the functional value of total investment volume function and the equal functional value of the Gross Output volume function
The well spacing density of mark oil reservoir obtains the economy ultimate well spacing density；
Determine that the difference of the functional value in the functional value and total investment function of the Gross Output volume function reaches maximum value
When, the well spacing density of the target reservoir obtains the economic optimum well spacing density.
It is described according to the economy ultimate well spacing density and the economic optimum well pattern in a possible implementation
Density determines the first reasonable well pattern density of the target reservoir, comprising:
By the average value of the economy ultimate well spacing density and the economic optimum well spacing density, it is determined as described first and closes
Manage well spacing density；
Alternatively, according to the economy ultimate well spacing density and the economic optimum well spacing density, by following formula three or
Person's formula four determines the first reasonable well pattern density of the target reservoir；
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbMost for the economy
Excellent well spacing density.
On the other hand, a kind of device of the reasonable well pattern density of determining oil reservoir is provided, described device includes:
First determining module, for determining the first mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio of target reservoir
With the first core intersection；
Second determining module, for determining the type of the target reservoir according to first mobility；
First obtains module, for the type according to the target reservoir, from the corresponding relationship of type and oil reservoir coefficient
Obtain the first oil reservoir coefficient of the target reservoir；
Third determining module, for the well spacing density and recovery ratio according to the first oil reservoir coefficient, the target reservoir
Between relational expression, determine the relationship by objective (RBO) formula of the target reservoir；
4th determining module, for according to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio,
First cumulative voidage replacement ratio and first core intersection determine the harvesting function of the target reservoir, the harvesting function
It is the function for including well spacing density parameter；
5th determining module determines to include the well spacing density for the well spacing density parameter according to the target reservoir
Total investment volume function of the target reservoir of parameter, and, according to the harvesting function of the target reservoir, determine comprising described
The Gross Output volume function of the target reservoir of well spacing density parameter；
6th determining module, for determining the target according to total investment volume function and the Gross Output volume function
The economy ultimate well spacing density and economic optimum well spacing density of oil reservoir；
7th determining module, for determining according to the economy ultimate well spacing density and the economic optimum well spacing density
First reasonable well pattern density of the target reservoir.
In a possible implementation, described device further include:
Second obtains module, for obtaining type, the second mobility, second of each sample oil reservoir in multiple sample oil reservoirs
Oil-water well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density；
8th determining module, for the type for each sample oil reservoir, according to the sample oil reservoir of the type
Second mobility, the second oil-water well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, pass through line
The property Return Law, determines the second oil reservoir coefficient of the type；
Module is established, for the type and the second oil reservoir coefficient according to each sample oil reservoir, establishes type and oil reservoir
The corresponding relationship of coefficient.
In a possible implementation, the 5th determining module is also used to determine the unit of the target reservoir
It is drilled well cost, average individual well drilling depth, individual well ground investment, oil area；It is bored according to the well spacing density parameter, the unit
Complete well cost, the average individual well drilling depth, the individual well ground investment and the oil area are determined by following formula one
Total investment volume function of the target reservoir；
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is described
Unit is drilled well cost, and H is the average individual well drilling depth, and g is the individual well ground investment.
In a possible implementation, the 5th determining module is also used to determine the oil field of the target reservoir
Ground oil in place, oil sale price, ton oil operating cost, ton oil comprehensive tax and commodity rate；According to the recovery ratio function,
Oil field ground oil in place, the oil sale price, the ton oil operating cost, the ton oil comprehensive tax and the quotient
Product rate determines the Gross Output volume function of the target reservoir by following formula two；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSIt is adopted to be described
Yield function, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is described the
One cumulative voidage replacement ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is
The ton oil operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
In a possible implementation, the 6th determining module is also used to determine in total investment volume function
Functional value and the Gross Output volume function functional value it is equal when, the well spacing density of the target reservoir obtains the economic pole
Limit well spacing density；Determine that the difference of the functional value in the functional value and total investment function of the Gross Output volume function reaches maximum
When value, the well spacing density of the target reservoir obtains the economic optimum well spacing density.
In a possible implementation, the 7th determining module is also used to the economy ultimate well spacing density
With the average value of the economic optimum well spacing density, it is determined as first reasonable well pattern density；
Alternatively, the 7th determining module, is also used to according to the economy ultimate well spacing density and the economic optimum well
Reticular density determines the first reasonable well pattern density of the target reservoir by following formula three or formula four；
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbMost for the economy
Excellent well spacing density.
On the other hand, a kind of terminal is provided, which is characterized in that the terminal includes processor and memory, described to deposit
Be stored at least one instruction in reservoir, described instruction loaded by the processor and executed with realize as first aspect is any can
Really operation performed by the method for the reasonable well pattern density of stand oil hiding is able to achieve in mode.
On the other hand, a kind of computer readable storage medium is provided, at least one finger is stored in the storage medium
It enables, described instruction load by processor and executed that stand oil is hidden reasonable really to realize in any possible implementation of first aspect
Operation performed by the method for well spacing density.
Technical solution provided in an embodiment of the present invention has the benefit that in embodiments of the present invention, due to combining
The type of target reservoir, the first mobility, the first oil-water well number ratio of target reservoir, the first cumulative voidage replacement ratio and the first oil reservoir are thick
The construction reservoir characteristics of the target reservoirs such as degree, while considering the relationship between recovery ratio and well spacing density, it is thus determined that target
The exploitation that first reasonable well pattern density of oil reservoir is more in line with target reservoir is practical, not only increases and determines that the first rational well pattern is close
The accuracy of degree also provides more accurate technical basis for development plan design.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of method flow diagram of the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of relationship by objective (RBO) formula provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of economy ultimate well spacing density provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of economic optimum well spacing density provided in an embodiment of the present invention；
Fig. 6 is a kind of apparatus structure schematic diagram of the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of flow chart of the method for the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention, referring to
Fig. 1, the embodiment include:
Step 101: determining the first mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first oil of target reservoir
Thickness degree.
Step 102: according to first mobility, determining the type of the target reservoir.
Step 103: according to the type of the target reservoir, from obtaining the mesh in the corresponding relationship of type and oil reservoir coefficient
Mark the first oil reservoir coefficient of oil reservoir.
Step 104: according to the first oil reservoir coefficient, the target reservoir well spacing density and recovery ratio between relationship
Formula determines the relationship by objective (RBO) formula of the target reservoir.
Step 105: being tired out according to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio, described first
Product injection-production ratio and first core intersection, determines the harvesting function of the target reservoir, the harvesting function be include well pattern
The function of density parameter.
Step 106: according to the well spacing density parameter of the target reservoir, determining described comprising the well spacing density parameter
Total investment volume function of target reservoir, and, according to the harvesting function of the target reservoir, determines and join comprising the well spacing density
The Gross Output volume function of several target reservoirs.
Step 107: according to total investment volume function and the Gross Output volume function, determining the economy of the target reservoir
Maximum excavation depth and economic optimum well spacing density.
Step 108: according to the economy ultimate well spacing density and the economic optimum well spacing density, determining the target oil
First reasonable well pattern density of hiding.
In a possible implementation, the method also includes:
Obtain the type of each sample oil reservoir in multiple sample oil reservoirs, the second mobility, the second oil-water well number ratio, second tired
Product injection-production ratio, the second core intersection and the second reasonable well pattern density；
For the type of each sample oil reservoir, according to the second mobility of the sample oil reservoir of the type, the second grease
Well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, by linear regression method, determine described in
Second oil reservoir coefficient of type；
According to the type and the second oil reservoir coefficient of each sample oil reservoir, establishes type and the corresponding of oil reservoir coefficient is closed
System.
It is described according to the well spacing density parameter in a possible implementation, determine to include the well spacing density
Total investment volume function of the target reservoir of parameter, comprising:
Determine that the unit of the target reservoir is drilled well cost, average individual well drilling depth, individual well ground investment, oil area；
Well cost, average the individual well drilling depth, the individual well ground are drilled according to the well spacing density parameter, the unit
Investment and the oil area determine total investment volume function of the target reservoir by following formula one；
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is described
Unit is drilled well cost, and H is the average individual well drilling depth, and g is the individual well ground investment.
In a possible implementation, the harvesting function according to the target reservoir determines to include the well
The Gross Output volume function of the target reservoir of reticular density parameter, comprising:
With determining the oil field of the target reservoir comprehensive tax of oil in place, oil sale price, ton oil operating cost, ton oil
Gold and commodity rate；
According to the recovery ratio function, the oil field oil in place, the oil sale price, the ton oil operation at
Originally, the ton oil comprehensive tax and the commodity rate pass through the Gross Output volume function that following formula two determines the target reservoir；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSIt is adopted to be described
Yield function, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is described the
One cumulative voidage replacement ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is
The ton oil operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
It is described according to total investment volume function and the Gross Output volume function in a possible implementation, really
The economy ultimate well spacing density and economic optimum well spacing density of the fixed target reservoir, comprising:
Determine the mesh in the functional value of total investment volume function and the equal functional value of the Gross Output volume function
The well spacing density of mark oil reservoir obtains the economy ultimate well spacing density；
Determine that the difference of the functional value in the functional value and total investment function of the Gross Output volume function reaches maximum value
When, the well spacing density of the target reservoir obtains the economic optimum well spacing density.
It is described according to the economy ultimate well spacing density and the economic optimum well pattern in a possible implementation
Density determines the first reasonable well pattern density of the target reservoir, comprising:
By the average value of the economy ultimate well spacing density and the economic optimum well spacing density, it is determined as described first and closes
Manage well spacing density；
Alternatively, according to the economy ultimate well spacing density and the economic optimum well spacing density, by following formula three or
Person's formula four determines the first reasonable well pattern density of the target reservoir；
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbMost for the economy
Excellent well spacing density.
In embodiments of the present invention, due to combine the type of target reservoir, the first mobility, target reservoir the first grease
Well number than the target reservoirs such as, the first cumulative voidage replacement ratio and the first core intersection construction reservoir characteristics, while consider recovery ratio with
Relationship between well spacing density, it is thus determined that the first reasonable well pattern density of target reservoir be more in line with the exploitation of target reservoir
It is practical, the accuracy for determining the first reasonable well pattern density is not only increased, also provides more accurate skill for development plan design
Art foundation.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
Fig. 2 is a kind of flow chart of the method for the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention, the party
The executing subject of method can be terminal.Referring to fig. 2, which includes:
Step 201: terminal determines the first mobility of target reservoir, the first oil-water well number ratio, the first cumulative voidage replacement ratio and
One core intersection.
First core intersection can be average first core intersection of the target reservoir.In a possible implementation
In, user can directly input the first mobility of target reservoir, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first oil reservoir
Thickness, to improve acquisition accuracy.Correspondingly, this step can be with are as follows: terminal receives the first of the target reservoir being entered
Mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first core intersection.
In another possible implementation, the oil deposit parameter of multiple oil reservoirs is stored in terminal, oil deposit parameter includes
Mobility, oil-water well number ratio, cumulative voidage replacement ratio and core intersection, and to be deposited in the form of the corresponding relationship of oil reservoir mark and oil deposit parameter
Storage, to improve acquisition efficiency.Correspondingly, this step can be with are as follows: terminal is identified according to the oil reservoir of the target reservoir, from oil reservoir
The first oil deposit parameter of the target reservoir is obtained in the corresponding relationship of mark and oil deposit parameter, which includes first
Mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first core intersection.
In another possible implementation, terminal can obtain the first mobility of target reservoir, from server
One oil-water well number ratio, the first cumulative voidage replacement ratio and the first core intersection save end so that terminal does not need storage oil deposit parameter
The memory space at end.Correspondingly, this step can be with are as follows: terminal to server sends inquiry request, which carries the mesh
Mark the oil reservoir mark of oil reservoir.The inquiry request that server receiving terminal is sent is identified according to the oil reservoir, from oil reservoir mark and oil reservoir
The oil deposit parameter that the target reservoir is obtained in the corresponding relationship of parameter returns to the oil deposit parameter of the target reservoir to terminal.Terminal
The first oil deposit parameter of the target reservoir that server returns is received, which includes the first mobility, the first grease
Well number ratio, the first cumulative voidage replacement ratio and the first core intersection.
Step 202: terminal determines the type of the target reservoir according to first mobility.
In a possible implementation, the corresponding relationship of mobility and type is stored in terminal；Correspondingly, this step can
With are as follows: terminal obtains the type of the target reservoir according to first mobility from mobility and the corresponding relationship of type.
Since oil reservoir may have many mobilities, if the corresponding relationship of storage mobility and type, it is larger to occupy memory space.
Therefore, in another possible implementation, the corresponding relationship of mobility and type can not be stored in terminal, but stores stream
Spend the corresponding relationship of range and type.Correspondingly, this step can be with are as follows: terminal is according to first mobility and mobility range, really
Mobility range where fixed first mobility, according to the mobility range where first mobility, from pair of mobility range and type
It should be related to the type of the middle determination target reservoir.
The type of the target reservoir can be with are as follows: high mobility oil reservoir, middle mobility oil reservoir, low mobility reservoir and special low mobility oil
Hiding.Also, the corresponding mobility range of high mobility oil reservoir is greater than 80,10-3um2/mPa·s；The corresponding mobility model of middle mobility oil reservoir
Enclose is 30~80,10-3um2/mPa·s；The corresponding mobility range of low mobility reservoir is 10~30,10-3um2/mPa·s；It is special low
The corresponding mobility range of mobility oil reservoir is less than 10,10-3um2/mPa·s。
Step 203: terminal is according to the type of the target reservoir, from obtaining the mesh in the corresponding relationship of type and oil reservoir coefficient
Mark the first oil reservoir coefficient of oil reservoir.
The first oil reservoir coefficient includes: corresponding first coefficient of well spacing density, oil-water well number than corresponding second coefficient, tired
The corresponding third coefficient of product injection-production ratio, corresponding 4th coefficient of core intersection, corresponding 5th coefficient of mobility and design Wells.And
And before this step, terminal determines the oil reservoir coefficient of each type, and storage class and oil by linear regression method
Hide the corresponding relationship of coefficient.Wherein, the step of terminal is by linear regression method, determines the oil reservoir coefficient of each type can be with
It is realized by following steps (A) to (C), comprising:
(A): terminal obtains the type of each sample oil reservoir in multiple sample oil reservoirs, the second mobility, the second oil-water well number
Than, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density.
The quantity of multiple sample oil reservoirs can need to be configured and change, in embodiments of the present invention, to multiple samples
The quantity of oil reservoir is not especially limited；For example, the quantity of multiple sample oil reservoirs can be 200,250 or 300 etc..
(B): for the type of each sample oil reservoir, second mobility, second oil of the terminal according to the sample oil reservoir of the type
Well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, by linear regression method, determining should
Second oil reservoir coefficient of the type of sample oil reservoir.
(C): terminal establishes the correspondence of type and oil reservoir coefficient according to the type and the second oil reservoir coefficient of each sample oil reservoir
Relationship.
In embodiments of the present invention, it on the basis of having fully considered Complex Fault Block Oil Reservoir construction, reservoir characteristics, bases oneself upon more
Example is applied in the exploitation of a (such as 200) Complex Fault Block Oil Reservoir, combines the oil-water well number ratio having an impact to Complex Reservoir recovery ratio, tired
The multiple parameters such as product injection-production ratio, permeability, core intersection carry out multiple regression analysis, obtain the oil reservoir coefficient of each type, and
The corresponding relationship of type and oil reservoir coefficient is established, so that the accuracy of the corresponding relationship of type and oil reservoir coefficient is improved, it is subsequent
When determining based on corresponding relationship progress reasonable well pattern density, determining efficiency is equally improved.
For example, type is respectively high mobility oil reservoir, middle mobility oil reservoir, low mobility reservoir and special low mobility reservoir.And high stream
Spending the corresponding second oil reservoir coefficient of oil reservoir is (- 0.5309, -0.0308, -0.0613,0.0003, -0.0026,1.95), middle stream
Spending the corresponding second oil reservoir coefficient of oil reservoir is (- 0.7862, -0.0126,0.1627,0.0004, -0.0095,3.28), low mobility
The corresponding second oil reservoir coefficient of oil reservoir is (- 1.4512, -0.0006,0.2554,0.0081, -0.0048,5.56), special low mobility
The corresponding second oil reservoir coefficient of oil reservoir is (- 1.5534,0.0047,0.0388,0.0499, -0.0023,6.44).
Step 204: terminal according to the first oil reservoir coefficient, target reservoir well spacing density and recovery ratio between relationship
Formula determines the relationship by objective (RBO) formula of the target reservoir.
The relational expression being previously stored in terminal between well spacing density and recovery ratio, and the pass between well spacing density and recovery ratio
It is formula is the relational expression for including the first oil reservoir coefficient.Therefore, in this step, the first oil reservoir coefficient is updated to the relationship by terminal
In formula, the relationship by objective (RBO) formula of the target reservoir is obtained.For example, the relational expression between well spacing density and recovery ratio is following formula five
It is shown:
Formula five: Er=ef(M,m,λ,h)·e-aS
Wherein, ErFor the recovery ratio, M is oil-water well number ratio, and m is cumulative voidage replacement ratio, and λ is mobility, h is core intersection, and a is
6th coefficient of oil reservoir, S are well spacing density.
When the first oil reservoir coefficient be (- 0.5309, -0.0308, -0.0613,0.0003, -0.0026,1.95), when, target
Relational expression is Er=e-0.5309-0.0308M-0.0613m+0.0003λ-0.0026h·e-1.95S；When the first oil reservoir coefficient be (- 0.7862 ,-
0.0126,0.1627,0.0004, -0.0095,3.28) when, relationship by objective (RBO) formula are as follows: Er=e-0.7862-0.0126M+0.1627m+0.0004λ-0.0095h·e-3.28S；When the first oil reservoir coefficient be (- 1.4512, -0.0006,0.2554,
0.0081, -0.0048,5.56) when, relationship by objective (RBO) formula are as follows: Er=e-1.4512-0.0006M+0.2554m+0.0081λ-0.0048h·e-5.56S；When
When first oil reservoir coefficient is (- 1.5534,0.0047,0.0388,0.0499, -0.0023,6.44), relationship by objective (RBO) formula is Er=e-1.5534+0.0047M+0.0388m+0.0499λ-0.0023h·e-6.44S, for example, with reference to shown in Fig. 3.
Step 205: terminal is infused according to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio, first accumulation
Adopt than with first core intersection, determine the harvesting function of the target reservoir, the harvesting function be include well spacing density parameter
Function.
The relationship by objective (RBO) formula is thick comprising first runner, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first oil reservoir
The functional value of degree, in this step, terminal is by first runner, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first oil reservoir
Thickness substitutes into relationship by objective (RBO) formula, obtains the harvesting function of target reservoir.
Step 206: terminal determines the target oil comprising the well spacing density parameter according to the well spacing density parameter of target reservoir
Total investment volume function of hiding.
This step can be realized by following steps (1) and (2), comprising:
(1): terminal determines that the unit of target reservoir is drilled well cost, average individual well drilling depth, individual well ground investment, contains pasta
Product.
The unit that user can directly input target reservoir is drilled well cost, average individual well drilling depth, individual well ground investment, contains
Pasta product.Correspondingly, this step can be with are as follows: terminal receives the unit being entered with being drilled well cost, average individual well drilling depth, individual well
Face investment, oil area.
(2): terminal is drilled well cost, average the individual well drilling depth, the individual well ground according to the well spacing density parameter, the unit
Investment and the oil area by following formula one determine total investment volume function of the target reservoir；
Wherein, P is total investment volume function, and A is oil area, and S is well spacing density parameter, and d is that unit is drilled well cost,
H is the average individual well drilling depth, and g is the individual well ground investment.
Step 207: terminal determines the target reservoir comprising well spacing density parameter according to the harvesting function of the target reservoir
Gross Output volume function.
This step can be realized by following steps (1) to (2), comprising:
(1): oil in place, oil sale price, ton oil operating cost, ton are oily with determining the oil field of the target reservoir for terminal
Comprehensive tax and commodity rate.
In this step, oil in place, oil sale price, ton are oily with can directly inputting the oil field of target reservoir by user
Operating cost, ton oil comprehensive tax and commodity rate.Correspondingly, this step can be with are as follows: terminal receives the target reservoir being entered
Oil field ground oil in place, oil sale price, ton oil operating cost, ton oil comprehensive tax and commodity rate.
(2): terminal is according to the recovery ratio function, oil field geologic reserves, oil sale price, ton oil operating cost, ton oil
Comprehensive tax and commodity rate determine the Gross Output volume function of target reservoir by following formula two.
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSFor the recovery ratio letter
Number, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is first cumulative voidage replacement ratio, h
For first core intersection, a is the first oil reservoir coefficient, and p is the oil sale price, and o is the oily operating cost of this ton, and c is should
The oily comprehensive tax of ton, σ are the commodity rate.
Step 208: terminal determines the economic pole of the target reservoir according to total investment volume function and the Gross Output volume function
Limit well spacing density and economic optimum well spacing density.
This step can be realized by following steps (1) and (2), comprising:
(1): terminal is determined when the functional value of total investment volume function is equal with the functional value of the Gross Output volume function, is somebody's turn to do
The well spacing density of target reservoir obtains the economy ultimate well spacing density.
When total investment volume of target reservoir is equal to Gross Output volume, gross profit is equal to zero, so corresponding well spacing density is
Economy ultimate well spacing density.It is in a possible implementation, total investment volume function is equal with the Gross Output volume function,
Well spacing density at this time is solved, well spacing density at this time is determined as the economy ultimate well spacing density.
For example, the difference of formula one and formula two be equal to zero, namelyThe economic limit well pattern of target reservoir is obtained by arranging
Density calculation formula is following formula six:
The economy ultimate well spacing density of target reservoir can be obtained by solving equation.
In another possible implementation, terminal is by f1(S)=aS,Terminal draws respectively under rectangular coordinate system and is with well spacing density S
Abscissa, with f1(S) and f2It (S) is the relation curve of ordinate, f1(S) and f2(S) well spacing density of the corresponding abscissa of intersection point
Numerical value be economy ultimate well spacing density.
(2): terminal determines that the difference of the functional value in the functional value of the Gross Output volume function and total investment function reaches most
When big value, the well spacing density of the target reservoir obtains the economic optimum well spacing density.
When the Gross Output volume of target reservoir, which subtracts total investment volume, reaches maximum value, economic benefit is best, corresponding well
Reticular density is economic optimum well spacing density.Therefore, economic optimum well spacing density should follow shown in the following formula seven of differential relationship:
Differential final finishing obtains shown in the following formula eight of Complex Fault Block Oil Reservoir economic optimum well spacing density calculation formula:
In a possible implementation, target reservoir economy is can be obtained most in the equation of terminal direct solution formula eight
Excellent well spacing density.In another possible implementation, terminal enables f1(S)=aS,Terminal draws respectively under rectangular coordinate system and is with well spacing density S
Abscissa, with f1(S) and f3It (S) is the relation curve of ordinate, f1(S) and f3(S) well spacing density of the corresponding abscissa of intersection point
Numerical value be economic optimum well spacing density,
For example, the oil field geologic reserves of the target reservoir are 112.4 × 104t, oil area for a certain target reservoir
For 1.27km2, stratum average effective permeability is 6.8 × 10-3 μm 2, oil viscosity 0.8mPas, the first oil reservoir
With a thickness of 13.9m, the first oil-water well number ratio is 2, and average individual well drilling depth is 3576m, and individual well ground investment is 0.5 ten thousand yuan/meter, single
Well surface construction investment be 900,000 yuan/well, ton oil operating cost be 750 yuan/ton, ton oil comprehensive tax be 150 yuan/ton, first
Cumulative voidage replacement ratio remains 1, and the first mobility of the target reservoir is 8.5 × 10-3um2/mPas.Dimension, terminal use formula
Five (recovery ratio of target reservoir and the relationship by objective (RBO) formulas of well spacing density) determine that the value of relationship by objective (RBO) formula f (M, m, λ, h) is 0.33,
The value of design Wells a is 6.44, brings parameters into formula six and formula eight, the calculating according to this patent specific embodiment
Method determines f1(S) and f2(S) relation curve as shown in figure 4, determine f1(S) and f3(S) relation curve such as Fig. 5
It is shown.Then f1(S) and f2(S) the corresponding abscissa well spacing density of intersection point is 0.039km2The economy of/mouth namely target reservoir
Maximum excavation depth is 0.039km2/ mouth, f1(S) and f3(S) the corresponding abscissa well spacing density of intersection point is 0.091km2/ mouth,
I.e. the economic optimum well spacing density of target reservoir is 0.091km2/ mouth.
Step 209: terminal determines the target reservoir according to the economy ultimate well spacing density and the economic optimum well spacing density
The first reasonable well pattern density.
The first implementation, terminal can between the economy ultimate well spacing density and the economic optimum well spacing density with
Machine selects a well spacing density, and the well spacing density of selection is determined as to the first reasonable well pattern density of the target reservoir.
Second of implementation, terminal being averaged the economy ultimate well spacing density and the economic optimum well spacing density
Value is determined as the first reasonable well pattern density of the target reservoir.
The third implementation, when the reservoir conditions of target reservoir are good or economic risk is larger, reasonable well pattern density
Select the value close to nearest well spacing density.Therefore, terminal is according to the economy ultimate well spacing density and the economic optimum well spacing density,
The first reasonable well pattern density of the target reservoir is determined by following formula three.
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbFor the economic optimum well pattern
Density.
4th kind of implementation, when the reservoir conditions of target reservoir difference or smaller economic risk, reasonable well pattern density
Select the value close to economy ultimate well spacing density.Therefore, terminal is according to the economy ultimate well spacing density and the economic optimum well pattern
Density determines the first reasonable well pattern density of the target reservoir by following formula four.
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbFor the economic optimum well pattern
Density.
It should be noted is that terminal can according to the economy ultimate well spacing density and the economic optimum well spacing density,
As long as being greater than the maximum excavation depth by the first reasonable well pattern density of any satisfaction, and it is less than the economic optimum well spacing density
Calculation formula determines the first reasonable well pattern density of the target reservoir, in embodiments of the present invention, does not make to have to the calculation formula
Body limits namely above four kinds of modes are merely illustrative, and terminal can also be realized by other forms, in the embodiment of the present invention
In, this is not especially limited.
For example, target reservoir is ultralow permeable reservoir, oil reservoir condition is poor, the first reasonable well pattern density choosing of target reservoir
With the value close to economy ultimate well spacing density.Therefore, terminal is according to economy ultimate well spacing density .039km2/ mouth and economic optimum
Well spacing density .091km2/ mouth determines that the first reasonable well pattern density of target reservoir is 0.056km2/ by above formula four
Mouthful.
In embodiments of the present invention, due to combine the type of target reservoir, the first mobility, target reservoir the first grease
Well number than the target reservoirs such as, the first cumulative voidage replacement ratio and the first core intersection construction reservoir characteristics, while consider recovery ratio with
Relationship between well spacing density, it is thus determined that the first reasonable well pattern density of target reservoir be more in line with the exploitation of target reservoir
It is practical, the accuracy for determining the first reasonable well pattern density is not only increased, also provides more accurate skill for development plan design
Art foundation.
Fig. 6 is a kind of structural schematic diagram of the device of the reasonable well pattern density of determining oil reservoir provided in an embodiment of the present invention,
The step of terminal executes in the method for reasonable well pattern density for executing above-mentioned determining oil reservoir.Referring to Fig. 6, which includes:
First determining module 601, for determining the first mobility, the first oil-water well number ratio, the first accumulation note of target reservoir
Adopt than with the first core intersection；
Second determining module 602, for determining the type of the target reservoir according to first mobility；
First obtains module 603, for the type according to the target reservoir, from the corresponding relationship of type and oil reservoir coefficient
Middle the first oil reservoir coefficient for obtaining the target reservoir；
Third determining module 604, for according to the first oil reservoir coefficient, the target reservoir well spacing density and harvesting
Relational expression between rate determines the relationship by objective (RBO) formula of the target reservoir；
4th determining module 605, for according to the relationship by objective (RBO) formula, first mobility, the first oil-water well number
Than, first cumulative voidage replacement ratio and first core intersection, the harvesting function of the target reservoir, the harvesting letter are determined
Number is the function for including well spacing density parameter；
5th determining module 606 determines close comprising the well pattern for the well spacing density parameter according to the target reservoir
Total investment volume function of the target reservoir of parameter is spent, and, according to the harvesting function of the target reservoir, determine to include institute
State the Gross Output volume function of the target reservoir of well spacing density parameter；
6th determining module 607, for determining the mesh according to total investment volume function and the Gross Output volume function
Mark the economy ultimate well spacing density and economic optimum well spacing density of oil reservoir；
7th determining module 608 is used for according to the economy ultimate well spacing density and the economic optimum well spacing density, really
First reasonable well pattern density of the fixed target reservoir.
In a possible implementation, described device further include:
Second obtains module, for obtaining type, the second mobility, second of each sample oil reservoir in multiple sample oil reservoirs
Oil-water well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density；
8th determining module, for the type for each sample oil reservoir, according to the sample oil reservoir of the type
Second mobility, the second oil-water well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, pass through line
The property Return Law, determines the second oil reservoir coefficient of the type；
Module is established, for the type and the second oil reservoir coefficient according to each sample oil reservoir, establishes type and oil reservoir
The corresponding relationship of coefficient.
In a possible implementation, the 5th determining module 606 is also used to determine the list of the target reservoir
Position is drilled well cost, average individual well drilling depth, individual well ground investment, oil area；According to the well spacing density parameter, the unit
It is drilled well cost, the average individual well drilling depth, the individual well ground investment and the oil area, by following formula one, really
Total investment volume function of the fixed target reservoir；
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is described
Unit is drilled well cost, and H is the average individual well drilling depth, and g is the individual well ground investment.
In a possible implementation, the 5th determining module 606 is also used to determine the oil of the target reservoir
Field oil in place, oil sale price, ton oil operating cost, ton oil comprehensive tax and commodity rate；According to the recovery ratio letter
Several, the described oil field ground oil in place, the oil sale price, the ton oil operating cost, the ton oil comprehensive tax and institute
Commodity rate is stated, the Gross Output volume function of the target reservoir is determined by following formula two；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSIt is adopted to be described
Yield function, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is described the
One cumulative voidage replacement ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is
The ton oil operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
In a possible implementation, the 6th determining module 607 is also used to determine in total investment volume letter
When the functional value of several functional value and the Gross Output volume function is equal, the well spacing density of the target reservoir obtains the economy
Maximum excavation depth；Determine that the difference of the functional value in the functional value and total investment function of the Gross Output volume function reaches most
When big value, the well spacing density of the target reservoir obtains the economic optimum well spacing density.
In a possible implementation, the 7th determining module 608 is also used to the economic limit well pattern is close
The average value of degree and the economic optimum well spacing density, is determined as first reasonable well pattern density；
Alternatively, the 7th determining module 608, is also used to according to the economy ultimate well spacing density and the economic optimum
Well spacing density determines the first reasonable well pattern density of the target reservoir by following formula three or formula four；
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbMost for the economy
Excellent well spacing density.
In embodiments of the present invention, due to combine the type of target reservoir, the first mobility, target reservoir the first grease
Well number than the target reservoirs such as, the first cumulative voidage replacement ratio and the first core intersection construction reservoir characteristics, while consider recovery ratio with
Relationship between well spacing density, it is thus determined that the first reasonable well pattern density of target reservoir be more in line with the exploitation of target reservoir
It is practical, the accuracy for determining the first reasonable well pattern density is not only increased, also provides more accurate skill for development plan design
Art foundation.
It should be understood that the device of the reasonable well pattern density of determining oil reservoir provided by the above embodiment is determining oil reservoir
When reasonable well pattern density, only the example of the division of the above functional modules, in practical application, can according to need and
Above-mentioned function distribution is completed by different functional modules, i.e., the internal structure of terminal is divided into different functional modules, with
Complete all or part of function described above.In addition, the reasonable well pattern density of determining oil reservoir provided by the above embodiment
The embodiment of the method for the reasonable well pattern density of device and determining oil reservoir belongs to same design, and specific implementation process is detailed in method reality
Example is applied, which is not described herein again.
Fig. 7 shows the structural block diagram of the terminal 700 of an illustrative embodiment of the invention offer.The terminal 700 can be with
Be: smart phone, tablet computer, MP3 player (Moving Picture Experts Group Audio Layer III,
Dynamic image expert's compression standard audio level 3), MP4 (Moving Picture Experts Group Audio Layer
IV, dynamic image expert's compression standard audio level 4) player, laptop or desktop computer.Terminal 700 be also possible to by
Referred to as other titles such as user equipment, portable terminal, laptop terminal, terminal console.
In general, terminal 700 includes: processor 701 and memory 702.
Processor 701 may include one or more processing cores, such as 4 core processors, 8 core processors etc..Place
Reason device 701 can use DSP (Digital Signal Processing, Digital Signal Processing), FPGA (Field-
Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array, may be programmed
Logic array) at least one of example, in hardware realize.Processor 701 also may include primary processor and coprocessor, master
Processor is the processor for being handled data in the awake state, also referred to as CPU (Central Processing
Unit, central processing unit)；Coprocessor is the low power processor for being handled data in the standby state.?
In some embodiments, processor 701 can be integrated with GPU (Graphics Processing Unit, image processor),
GPU is used to be responsible for the rendering and drafting of content to be shown needed for display screen.In some embodiments, processor 701 can also be wrapped
AI (Artificial Intelligence, artificial intelligence) processor is included, the AI processor is for handling related machine learning
Calculating operation.
Memory 702 may include one or more computer readable storage mediums, which can
To be non-transient.Memory 702 may also include high-speed random access memory and nonvolatile memory, such as one
Or multiple disk storage equipments, flash memory device.In some embodiments, the non-transient computer in memory 702 can
Storage medium is read for storing at least one instruction, at least one instruction performed by processor 701 for realizing this Shen
Please in embodiment of the method provide really stand oil hiding reasonable well pattern density method.
In some embodiments, terminal 700 is also optional includes: peripheral device interface 703 and at least one peripheral equipment.
It can be connected by bus or signal wire between processor 701, memory 702 and peripheral device interface 703.Each peripheral equipment
It can be connected by bus, signal wire or circuit board with peripheral device interface 703.Specifically, peripheral equipment includes: radio circuit
704, at least one of touch display screen 705, camera 706, voicefrequency circuit 707, positioning component 708 and power supply 709.
Peripheral device interface 703 can be used for I/O (Input/Output, input/output) is relevant outside at least one
Peripheral equipment is connected to processor 701 and memory 702.In some embodiments, processor 701, memory 702 and peripheral equipment
Interface 703 is integrated on same chip or circuit board；In some other embodiments, processor 701, memory 702 and outer
Any one or two in peripheral equipment interface 703 can realize on individual chip or circuit board, the present embodiment to this not
It is limited.
Radio circuit 704 is for receiving and emitting RF (Radio Frequency, radio frequency) signal, also referred to as electromagnetic signal.It penetrates
Frequency circuit 704 is communicated by electromagnetic signal with communication network and other communication equipments.Radio circuit 704 turns electric signal
It is changed to electromagnetic signal to be sent, alternatively, the electromagnetic signal received is converted to electric signal.Optionally, radio circuit 704 wraps
It includes: antenna system, RF transceiver, one or more amplifiers, tuner, oscillator, digital signal processor, codec chip
Group, user identity module card etc..Radio circuit 704 can be carried out by least one wireless communication protocol with other terminals
Communication.The wireless communication protocol includes but is not limited to: Metropolitan Area Network (MAN), each third generation mobile communication network (2G, 3G, 4G and 5G), wireless office
Domain net and/or WiFi (Wireless Fidelity, Wireless Fidelity) network.In some embodiments, radio circuit 704 may be used also
To include the related circuit of NFC (Near Field Communication, wireless near field communication), the application is not subject to this
It limits.
Display screen 705 is for showing UI (User Interface, user interface).The UI may include figure, text, figure
Mark, video and its their any combination.When display screen 705 is touch display screen, display screen 705 also there is acquisition to show
The ability of the touch signal on the surface or surface of screen 705.The touch signal can be used as control signal and be input to processor
701 are handled.At this point, display screen 705 can be also used for providing virtual push button and/or dummy keyboard, also referred to as soft button and/or
Soft keyboard.In some embodiments, display screen 705 can be one, and the front panel of terminal 700 is arranged；In other embodiments
In, display screen 705 can be at least two, be separately positioned on the different surfaces of terminal 700 or in foldover design；In still other reality
It applies in example, display screen 705 can be flexible display screen, be arranged on the curved surface of terminal 700 or on fold plane.Even, it shows
Display screen 705 can also be arranged to non-rectangle irregular figure, namely abnormity screen.Display screen 705 can use LCD (Liquid
Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode)
Etc. materials preparation.
CCD camera assembly 706 is for acquiring image or video.Optionally, CCD camera assembly 706 include front camera and
Rear camera.In general, the front panel of terminal is arranged in front camera, the back side of terminal is arranged in rear camera.One
In a little embodiments, rear camera at least two is main camera, depth of field camera, wide-angle camera, focal length camera shooting respectively
Any one in head, to realize that main camera and the fusion of depth of field camera realize background blurring function, main camera and wide-angle
Camera fusion realizes that pan-shot and VR (Virtual Reality, virtual reality) shooting function or other fusions are clapped
Camera shooting function.In some embodiments, CCD camera assembly 706 can also include flash lamp.Flash lamp can be monochromatic warm flash lamp,
It is also possible to double-colored temperature flash lamp.Double-colored temperature flash lamp refers to the combination of warm light flash lamp and cold light flash lamp, can be used for not
With the light compensation under colour temperature.
Voicefrequency circuit 707 may include microphone and loudspeaker.Microphone is used to acquire the sound wave of user and environment, and will
Sound wave, which is converted to electric signal and is input to processor 701, to be handled, or is input to radio circuit 704 to realize voice communication.
For stereo acquisition or the purpose of noise reduction, microphone can be separately positioned on the different parts of terminal 700 to be multiple.Mike
Wind can also be array microphone or omnidirectional's acquisition type microphone.Loudspeaker is then used to that processor 701 or radio circuit will to be come from
704 electric signal is converted to sound wave.Loudspeaker can be traditional wafer speaker, be also possible to piezoelectric ceramic loudspeaker.When
When loudspeaker is piezoelectric ceramic loudspeaker, the audible sound wave of the mankind can be not only converted electrical signals to, it can also be by telecommunications
Number the sound wave that the mankind do not hear is converted to carry out the purposes such as ranging.In some embodiments, voicefrequency circuit 707 can also include
Earphone jack.
Positioning component 708 is used for the current geographic position of positioning terminal 700, to realize navigation or LBS (Location
Based Service, location based service).Positioning component 708 can be the GPS (Global based on the U.S.
Positioning System, global positioning system), the dipper system of China, Russia Gray receive this system or European Union
The positioning component of Galileo system.
Power supply 709 is used to be powered for the various components in terminal 700.Power supply 709 can be alternating current, direct current,
Disposable battery or rechargeable battery.When power supply 709 includes rechargeable battery, which can support wired charging
Or wireless charging.The rechargeable battery can be also used for supporting fast charge technology.
In some embodiments, terminal 700 further includes having one or more sensors 710.The one or more sensors
710 include but is not limited to: acceleration transducer 711, gyro sensor 712, pressure sensor 713, fingerprint sensor 714,
Optical sensor 715 and proximity sensor 716.
The acceleration that acceleration transducer 711 can detecte in three reference axis of the coordinate system established with terminal 700 is big
It is small.For example, acceleration transducer 711 can be used for detecting component of the acceleration of gravity in three reference axis.Processor 701 can
With the acceleration of gravity signal acquired according to acceleration transducer 711, touch display screen 705 is controlled with transverse views or longitudinal view
Figure carries out the display of user interface.Acceleration transducer 711 can be also used for the acquisition of game or the exercise data of user.
Gyro sensor 712 can detecte body direction and the rotational angle of terminal 700, and gyro sensor 712 can
To cooperate with acquisition user to act the 3D of terminal 700 with acceleration transducer 711.Processor 701 is according to gyro sensor 712
Following function may be implemented in the data of acquisition: when action induction (for example changing UI according to the tilt operation of user), shooting
Image stabilization, game control and inertial navigation.
The lower layer of side frame and/or touch display screen 705 in terminal 700 can be set in pressure sensor 713.Work as pressure
When the side frame of terminal 700 is arranged in sensor 713, user can detecte to the gripping signal of terminal 700, by processor 701
Right-hand man's identification or prompt operation are carried out according to the gripping signal that pressure sensor 713 acquires.When the setting of pressure sensor 713 exists
When the lower layer of touch display screen 705, the pressure operation of touch display screen 705 is realized to UI circle according to user by processor 701
Operability control on face is controlled.Operability control includes button control, scroll bar control, icon control, menu
At least one of control.
Fingerprint sensor 714 is used to acquire the fingerprint of user, collected according to fingerprint sensor 714 by processor 701
The identity of fingerprint recognition user, alternatively, by fingerprint sensor 714 according to the identity of collected fingerprint recognition user.It is identifying
When the identity of user is trusted identity out, the user is authorized to execute relevant sensitive operation, the sensitive operation packet by processor 701
Include solution lock screen, check encryption information, downloading software, payment and change setting etc..Terminal can be set in fingerprint sensor 714
700 front, the back side or side.When being provided with physical button or manufacturer Logo in terminal 700, fingerprint sensor 714 can be with
It is integrated with physical button or manufacturer Logo.
Optical sensor 715 is for acquiring ambient light intensity.In one embodiment, processor 701 can be according to optics
The ambient light intensity that sensor 715 acquires controls the display brightness of touch display screen 705.Specifically, when ambient light intensity is higher
When, the display brightness of touch display screen 705 is turned up；When ambient light intensity is lower, the display for turning down touch display screen 705 is bright
Degree.In another embodiment, the ambient light intensity that processor 701 can also be acquired according to optical sensor 715, dynamic adjust
The acquisition parameters of CCD camera assembly 706.
Proximity sensor 716, also referred to as range sensor are generally arranged at the front panel of terminal 700.Proximity sensor 716
For acquiring the distance between the front of user Yu terminal 700.In one embodiment, when proximity sensor 716 detects use
When family and the distance between the front of terminal 700 gradually become smaller, touch display screen 705 is controlled from bright screen state by processor 701
It is switched to breath screen state；When proximity sensor 716 detects user and the distance between the front of terminal 700 becomes larger,
Touch display screen 705 is controlled by processor 701 and is switched to bright screen state from breath screen state.
It will be understood by those skilled in the art that the restriction of the not structure paired terminal 700 of structure shown in Fig. 7, can wrap
It includes than illustrating more or fewer components, perhaps combine certain components or is arranged using different components.
In the exemplary embodiment, a kind of computer readable storage medium is additionally provided, the memory for example including instruction,
The method that above-metioned instruction can be executed by the processor in terminal to complete to determine the reasonable well pattern density of oil reservoir in following embodiments.
For example, the computer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and light
Data storage device etc..
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method of the reasonable well pattern density of determining oil reservoir, which is characterized in that the described method includes:
Determine the first mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and the first core intersection of target reservoir；
According to first mobility, the type of the target reservoir is determined；
According to the type of the target reservoir, from obtaining the first of the target reservoir in the corresponding relationship of type and oil reservoir coefficient
Oil reservoir coefficient；
According to the first oil reservoir coefficient, the target reservoir well spacing density and recovery ratio between relational expression, determine described in
The relationship by objective (RBO) formula of target reservoir；
According to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio, first cumulative voidage replacement ratio and institute
The first core intersection is stated, determines the harvesting function of the target reservoir, the harvesting function is the letter for including well spacing density parameter
Number；
According to the well spacing density parameter of the target reservoir, the total of the target reservoir comprising the well spacing density parameter is determined
Investment volume function, and, according to the harvesting function of the target reservoir, determine the target comprising the well spacing density parameter
The Gross Output volume function of oil reservoir；
According to total investment volume function and the Gross Output volume function, the economy ultimate well spacing density of the target reservoir is determined
With economic optimum well spacing density；
According to the economy ultimate well spacing density and the economic optimum well spacing density, determine that the first of the target reservoir is reasonable
Well spacing density.
2. the method according to claim 1, wherein the method also includes:
Obtain type, the second mobility, the second oil-water well number ratio, the second accumulation note of each sample oil reservoir in multiple sample oil reservoirs
Adopt ratio, the second core intersection and the second reasonable well pattern density；
For the type of each sample oil reservoir, according to the second mobility of the sample oil reservoir of the type, the second oil-water well number
Than, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density the type determined by linear regression method
The second oil reservoir coefficient；
According to the type and the second oil reservoir coefficient of each sample oil reservoir, the corresponding relationship of type and oil reservoir coefficient is established.
3. determining includes institute the method according to claim 1, wherein described according to the well spacing density parameter
State total investment volume function of the target reservoir of well spacing density parameter, comprising:
Determine that the unit of the target reservoir is drilled well cost, average individual well drilling depth, individual well ground investment, oil area；
Well cost, average the individual well drilling depth, the individual well ground investment are drilled according to the well spacing density parameter, the unit
Total investment volume function of the target reservoir is determined by following formula one with the oil area；
Formula one:
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is the unit
It is drilled well cost, H is the average individual well drilling depth, and g is the individual well ground investment.
4. the method according to claim 1, wherein the harvesting function according to the target reservoir, determines
The Gross Output volume function of the target reservoir comprising the well spacing density parameter, comprising:
With determining the oil field of the target reservoir oil in place, oil sale price, ton oil operating cost, ton oil comprehensive tax and
Commodity rate；
According to the recovery ratio function, the oil field oil in place, the oil sale price, the ton oil operating cost,
The ton oil comprehensive tax and the commodity rate determine the Gross Output volume function of the target reservoir by following formula two；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSFor the recovery ratio letter
Number, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is first accumulation
Injection-production ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is the ton
Oily operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
5. the method according to claim 1, wherein described according to total investment volume function and the Gross Output
Volume function determines the economy ultimate well spacing density and economic optimum well spacing density of the target reservoir, comprising:
It determines in the functional value of total investment volume function and the equal functional value of the Gross Output volume function, the target oil
The well spacing density of hiding obtains the economy ultimate well spacing density；
It determines when the difference of the functional value of the functional value and total investment function of the Gross Output volume function reaches maximum value, institute
The well spacing density for stating target reservoir obtains the economic optimum well spacing density.
6. the method according to claim 1, wherein described according to the economy ultimate well spacing density and the warp
Help optimum well spacing density, determines the first reasonable well pattern density of the target reservoir, comprising:
By the average value of the economy ultimate well spacing density and the economic optimum well spacing density, it is determined as first Reasonable Well
Reticular density；
Alternatively, passing through following formula three or public affairs according to the economy ultimate well spacing density and the economic optimum well spacing density
Formula four determines the first reasonable well pattern density of the target reservoir；
Formula three:
Formula four:
Wherein, SeFor first reasonable well pattern density, SmFor the economy ultimate well spacing density, SbFor the economic optimum well
Reticular density.
7. a kind of device of the reasonable well pattern density of determining oil reservoir, which is characterized in that described device includes:
First determining module, for determining the first mobility, the first oil-water well number ratio, the first cumulative voidage replacement ratio and of target reservoir
One core intersection；
Second determining module, for determining the type of the target reservoir according to first mobility；
First obtains module, for the type according to the target reservoir, from obtaining in the corresponding relationship of type and oil reservoir coefficient
First oil reservoir coefficient of the target reservoir；
Third determining module, between the well spacing density and recovery ratio according to the first oil reservoir coefficient, the target reservoir
Relational expression, determine the relationship by objective (RBO) formula of the target reservoir；
4th determining module, for according to the relationship by objective (RBO) formula, first mobility, the first oil-water well number ratio, described
First cumulative voidage replacement ratio and first core intersection determine that the harvesting function of the target reservoir, the harvesting function are packet
Include the function of well spacing density parameter；
5th determining module determines to include the well spacing density parameter for the well spacing density parameter according to the target reservoir
The target reservoir total investment volume function, and, according to the harvesting function of the target reservoir, determine to include the well pattern
The Gross Output volume function of the target reservoir of density parameter；
6th determining module, for determining the target reservoir according to total investment volume function and the Gross Output volume function
Economy ultimate well spacing density and economic optimum well spacing density；
7th determining module, described in determining according to the economy ultimate well spacing density and the economic optimum well spacing density
First reasonable well pattern density of target reservoir.
8. device according to claim 7, which is characterized in that described device further include:
Second obtains module, for obtaining type, the second mobility, the second grease of each sample oil reservoir in multiple sample oil reservoirs
Well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density；
8th determining module, for the type for each sample oil reservoir, according to the second of the sample oil reservoir of the type
Mobility, the second oil-water well number ratio, the second cumulative voidage replacement ratio, the second core intersection and the second reasonable well pattern density, by linearly returning
Gui Fa determines the second oil reservoir coefficient of the type；
Module is established, for the type and the second oil reservoir coefficient according to each sample oil reservoir, establishes type and oil reservoir coefficient
Corresponding relationship.
9. device according to claim 7, which is characterized in that
5th determining module is also used to determine that the unit of the target reservoir is drilled well cost, average individual well drilling depth, individual well
Ground investment, oil area；Well cost, average the individual well drilling depth, institute are drilled according to the well spacing density parameter, the unit
Individual well ground investment and the oil area are stated, by following formula one, determines total investment volume function of the target reservoir；
Formula one:
Wherein, P is total investment volume function, and A is the oil area, and S is the well spacing density parameter, and d is the unit
It is drilled well cost, H is the average individual well drilling depth, and g is the individual well ground investment.
10. device according to claim 7, which is characterized in that
5th determining module, oil in place, oil sale price, ton are oily with being also used to determine the oil field of the target reservoir
Operating cost, ton oil comprehensive tax and commodity rate；According to the recovery ratio function, the oil field ground oil in place, the crude oil
Selling price, the ton oil operating cost, the ton oil comprehensive tax and the commodity rate, by described in the determination of following formula two
The Gross Output volume function of target reservoir；
Formula two: I=Nef(M,m,λ,h)·e-aS(p-o-c)·σ
Wherein, I is the Gross Output volume function, N for the oil field oil in place, ef(M,m,λ,h)·e-aSFor the recovery ratio letter
Number, S are the well spacing density parameter, and M is first mobility, and m is the first oil-water well number ratio, and λ is first accumulation
Injection-production ratio, h are first core intersection, and a is the first oil reservoir coefficient, and p is the oil sale price, and o is the ton
Oily operating cost, c are the ton oil comprehensive tax, and σ is the commodity rate.
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