CN109614590A - A kind of research depositional environment is to the data mining algorithm of deep water water channel morphology influence - Google Patents

A kind of research depositional environment is to the data mining algorithm of deep water water channel morphology influence Download PDF

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CN109614590A
CN109614590A CN201910016257.9A CN201910016257A CN109614590A CN 109614590 A CN109614590 A CN 109614590A CN 201910016257 A CN201910016257 A CN 201910016257A CN 109614590 A CN109614590 A CN 109614590A
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water channel
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depositional environment
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depositional
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赵晓明
谢涛
刘丽
谭程鹏
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Southwest Petroleum University
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Abstract

The invention discloses a kind of research depositional environments to the data mining algorithm of deep water water channel morphology influence, comprising the following steps: A, the depositional environment that different water channel cases are characterized using eigenmatrix;B, influence of the single governing factor for water channel characterization parameter is calculated according to statistical data;C, influence of the whole depositional environment for water channel characterization parameter is calculated according to COS distance formula;D, the form similarity of different water channels is calculated using lattice close-degree formula;The present invention analyzes DIFFERENT DEPOSITIONAL ENVIRONMENTS, to the influence degree of different characterization parameters, to obtain the relationship between depositional environment and water channel form by mathematical methods such as data minings.On engineering field, pass through the relationship between reservoir and water channel form and the relationship between the obtained form of this method and environment, depositional environment and deep-sea oil pool distribution are contacted, the reservoir property for evaluating and predicting not exploring deep water water channel in region is removed so as to the information by depositional environment.

Description

A kind of research depositional environment is to the data mining algorithm of deep water water channel morphology influence
Technical field
The present invention relates to Geological Resources and Geological Engineering, a kind of research depositional environment is specifically related to deep water water channel form The data mining algorithm of influence.
Background technique
Deep water water channel is important channel of the continental shelf to sea basin conveying deposit, while deep water water channel is also the weight for preserving oil gas Want place.The depositional environment at deep-sea often determines the property of deposit in water channel, to influence in the channel system of different regions The property of reservoir.In addition to the influence to reservoir, depositional environment can also cause tremendous influence to water channel form.Earthquake and seabed The exploration means such as cable provide the largely quantized data about deep water water channel form for researcher.
In recent years, a large amount of case study goes to portray the geometric shape of water channel using characterization parameter (such as width, depth), and It goes to describe different deep-water depositional environments using governing factor (such as continental shelf type, basin type).In addition, by statistical chart and Linear regression goes to characterize the conventional method that different governing factors influence characterization parameter, can not clearly explain quantifying for the two Relationship.In Geological Resources and Geological Engineering field, researcher often only analyzes single governing factor using this conventional method Influence for water channel characterization parameter, however this method cannot embody influence of the whole depositional environment for characterization parameter, Influence of the governing factor for water channel configuration cannot be showed.
Currently without can directly indicate different governing factors for the method for different water channel characterization parameters, more no analysis is whole Method of the body depositional environment to water channel configuration.The quantitative relationship obscured between governing factor and water channel characterization parameter hinders The research of depositional environment and water channel morphologic correlation.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of data mining calculation for studying depositional environment to deep water water channel morphology influence Method, it is therefore intended that establish the quantitative relationship between characterization parameter and governing factor using the algorithm in data mining, and demarcate entirety Quantitative relationship between depositional environment and water channel configuration feature.
The present invention uses following technical solutions:
A kind of research depositional environment is to the data mining algorithm of deep water water channel morphology influence, comprising the following steps:
A, the depositional environment of different water channel cases: the depositional environment recorded according to water channel case is characterized using eigenmatrix Governing factor, utilize the governing factor that does not occur in 0 expression case, the governing factor occurred indicated using 1, in this way, different Water channel case can be indicated by eigenmatrix that 0 and 1 form;
B, influence of the single governing factor for water channel characterization parameter is calculated according to statistical data: calculates all water channels The average value of case characterization parameter filters out the case of specific governing factor from all water channel cases, then to calculate these specific Then the average value of governing factor case characterization parameter characterizes single governing factor by the difference of two average value and characterization is joined Several influences;
C, influence of the whole depositional environment for water channel characterization parameter is calculated according to COS distance formula: according to step The resulting all governing factors of B and calculate whole depositional environment for table using COS distance for the influence value of characterization parameter Levy the influence value of parameter;
D, the form similarity of different water channels is calculated using lattice close-degree formula: according to characterization parameter in water channel case Corresponding descriptive statistic parameter, and the form similarity between different water channel cases is calculated using lattice close-degree in fuzzy mathematics;
E, the environment similarity of different water channels is calculated using min-hash algorithm: according in step A for record not With the eigenmatrix of case governing factor, the similarity of the whole depositional environment of min hashing computing difference water channel case is utilized.
Preferably, the water channel form of non-survey area: the numerical value being calculated by step C-E is predicted using depositional environment As a result, recycling the water channel morphological feature of the non-survey area of combination supposition of governing factor.
The beneficial effects of the present invention are:
The invention discloses a kind of research depositional environments for the data mining algorithm of water channel morphology influence, which passes through The mathematical methods such as data mining analyze DIFFERENT DEPOSITIONAL ENVIRONMENTS, the i.e. combination of governing factor, the influence journey to different characterization parameters Degree, to obtain the relationship between depositional environment and water channel form.On engineering field, pass through the pass between reservoir and water channel form System and the relationship between the obtained form of this method and environment, contact depositional environment and deep-sea oil pool distribution, so as to Remove to evaluate and predict not exploring the reservoir property of deep water water channel in region with the information by depositional environment.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below It continues, it should be apparent that, the accompanying drawings in the following description merely relates to some embodiments of the present invention, rather than limitation of the present invention.
Fig. 1 is the schematic diagram data of all maximum measurement width of certain water channel case of the invention;
Fig. 2 is the schematic diagram of certain water channel case characterization parameter descriptive statistic value of the invention;
Fig. 3 is that the title of water channel profile characterization parameters of the present invention and form define schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill Personnel's every other embodiment obtained under the premise of being not necessarily to creative work, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in disclosure fields The ordinary meaning for thering is the personage of general technical ability to be understood.The similar word meaning such as " comprising " or "comprising" used in the disclosure Point out that element or object before the existing word are covered the element for appearing in the word presented hereinafter or object and its be equal, without Exclude other elements or object."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when being described object Absolute position change after, then the relative positional relationship may also correspondingly change.
Below with reference to embodiment, the present invention is further described.
The used governing factor type for indicating whole depositional environment of this method is as shown in table 1, which follows Stow etc. People's classification proposed in 1996, is fully described from material resource, continental shelf, the construction of sea basin and global sea-level changes etc. The concept of deep-water depositional environments.These governing factor information can be obtained from the work area background of different water channel cases.
1 control parameter information list of table
It is a kind of research depositional environment for water channel morphology influence data mining algorithm, comprising the following steps:
A, the depositional environment of different water channel cases is characterized using eigenmatrix: as shown in table 2, being had recorded in tables of data multiple The corresponding governing factor of water channel case depositional environment, the corresponding case information of entry in table.It will be controlled present in case Factor is expressed as 1, the expression 0 being not present, so as to obtain the feature vector being made of 1 and 0.This feature vector characterization The governing factor combination of different cases, eigenmatrix corresponding to table 2 are expressed as follows:
Each horizontally-arranged data correspond to the combination of different governing factors in case in matrix.
The statistical form of the different case governing factors of table 2
B, influence of the single governing factor for water channel characterization parameter is obtained according to statistical data: as shown in Figure 1, opening up in figure The numerical value (there are 273 data in figure) of all maximum measurement width in a water channel case are shown, these parameters are from earthquake work area Middle measure along the seismic profile of water channel flow direction obtains;The maximum measurement width of water channel case is by this 273 sectional parameters in Fig. 1 Average value W indicate, average value W's is expressed as follows:As shown in table 3, the width numerical value of case one is in table The average value of 273 width datas in 224, i.e. Fig. 1, altogether including the mean breadth numerical value of multiple water channels in table 3.
The statistical form of the different case channel widths of table 3
Case 1 Case 2 Case 3 Case 4 Case 5 Case 6 Case 7 Case 8
Width W 224 235 321 567 489 190 241 389
As shown in table 3, a certain characterization parameter of each case is counted, by taking width W as an example, if sharing m case, then all cases Example width average value WmeanIt is expressed as follows:
The width average value W of all cases in table 3meanFor 324, (partial data is unlisted in table, lists the case of part Example width average value WmeanFor 352.25).
Filter out the case of a certain specific governing factor (jointly owned a certain governing factor in the case of part), such as table Shown in 4.1: the width value of all passive continental margin cases shares 4 passive continental margins (n=4 in formula 2), calculates every The width F of a passive continental marginn(each data i.e. in table 4.1) and width average value Wmean(being here 324)) difference, then Passive continental margin is expressed as R to channel width influence valuemIt is as follows:
The calculated R of data institute in table 4.1mIt is 15.The corresponding widths affect value of passive continental margin in table 4.2 is Calculate resulting 15.According to formula (1) and (2), influence of other governing factors for channel width can also be found out, finally may be used To obtain all governing factors as shown in table 4.2 for the influence value of channel width.In addition to width, counted involved in the step Calculation further includes influence of the governing factor to other characterization parameters, such as the gradient, depth, is only illustrated with width in specification It is bright.
The width value statistical form of 4.1 passive continental margin case of table
There is the case code name of passive continental margin Case 3 Case 6 Case 9 Case 10
Width 334 339 340.1 342.1
Influence value statistical form of 4.2 governing factor of table for channel width
C, influence of the whole depositional environment for water channel characterization parameter is calculated according to COS distance formula: according to step Eigenmatrix in A, all governing factors in some available case, if the corresponding eigenmatrix value of governing factor is P; Further according to governing factors different in step B for the influence value of characterization parameter, it is set as R, n governing factor is shared, by remaining Whole depositional environment is expressed as follows the influence value X of characterization parameter in certain available case of chordal distance:
By choosing different water channel cases, shadow of the depositional environment to water channel characterization parameter in available each case It rings.
D, the form similarity of different water channels is calculated using lattice close-degree formula: calculating the characterization parameter of different cases Descriptive statistic numerical value, as shown in Fig. 2, indicating in figure is certain characterization parameter in different numberical ranges in certain water channel case The frequency of occurrences;Such as first cake chart in Fig. 2, case has the numerical value of 273 maximum measurement width, between 100-250m Numerical value accounting be about 96%.Characterization parameter type and form involved in Fig. 2 are defined as number shown in Fig. 3 4. 1. parameter, the not shown area of section refers to the area of water channel U or V-shaped section in Fig. 3.Such as (the different case water of table 5 Road characterization parameter statistical form) shown in, the descriptive statistic numerical value of each water channel case is counted, the numerical value corresponding diagram 2 of case 1 in table (maximum measurement width w1, maximum measurement width w2, maximum measurement width w3, minimum measurement are wide for statistical data in middle cake chart Spend w1, minimum measurement width w2, minimum measurement width w3, maximum measuring depth D1, maximum measuring depth D2, maximum measuring depth D3).It should also include minimum measuring depth D1 in table 5, minimum measuring depth D2, minimum measuring depth D3, cross-sectional area A 0, transversal The parameters such as area A1.
The different case water channel characterization parameter statistical forms of table 5
If the characterization parameter item of case 1 is A (xo), the characterization parameter item of case 2 is B (xo), the range of o is 1 to 9, i.e. table The sequence of characterization parameter in 5.The apposition x in fuzzy mathematics is calculated, is expressed as follows:
X=max { min [A (x1),B(x1)],min[A(x2),B(x2)],min[A(x3),B(x3)],...,min[A (xn),B(xn)]} (4)
Then, inner product y is calculated, is expressed as follows:
Y=min { max [A (x1),B(x1)],max[A(x2),B(x2)],max[A(x3),B(x3)],...,max[A (xn),B(xn)]} (5)
Finally by inner product x and apposition y, lattice close-degree L is calculated, expression formula is as follows:
Lattice close-degree expresses the configuration similarity of two water channels, by this method, can be in the hope of all water channels The form similarity of case.
E, the environment similarity of different water channels is calculated using min-hash algorithm: according to the resulting feature square of step A Battle array can learn the governing factor combination of two cases.Pass through min-hash algorithm, it is assumed that the governing factor that two cases have Number be J, i.e. matrix value in two cases is all 1;The governing factor that only one case has is K, i.e. case Matrix value is 1, another is 0, then calculates the expression formula of resulting depositional environment similarity E are as follows:
Depositional environment similarity by min-hash algorithm, between available all water channel cases.
Utilize depositional environment to predict the water channel form of non-survey area: according to the resulting configuration similarity of step D with And the resulting depositional environment similarity of step E, it is similar can to learn whether similar depositional environment development can develop into form Deep water water channel.It is compared by multiple cases, if it is similar to find that certain depositional environment (i.e. similar governing factor combination) can generate Water channel form, i.e. configuration similarity L and depositional environment similarity E be both greater than 0.8 (80% similarity degree, the value according to Accuracy required by concrete engineering determines, can be 85%, 90% etc.), then determine that this depositional environment can generate specifically Water channel form;Then resulting depositional environment is calculated to characterization parameter disturbance degree X by step C, makes a concrete analysis of this deposition ring Border can generate those similar morphological features actually.If the depositional environment of zone of ignorance can generate specific water channel form with certain When environment is similar, the shape for speculating water channel in zone of ignorance can be gone by the form in water channel case known under this depositional environment State feature recommends the potential morphological feature of zone of ignorance water channel to researcher that is, by similar depositional environment.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.

Claims (2)

1. a kind of research depositional environment is to the data mining algorithm of deep water water channel morphology influence, which is characterized in that including following step It is rapid:
A, the depositional environment of different water channel cases is characterized using eigenmatrix: according to the control for the depositional environment that water channel case is recorded Factor processed indicates the governing factor occurred using 1, in this way, different water using the governing factor not occurred in 0 expression case Road case can be indicated by the eigenmatrix that 0 and 1 form;
B, influence of the single governing factor for water channel characterization parameter is calculated according to statistical data: calculates all water channel cases The average value of characterization parameter filters out the case of specific governing factor from all water channel cases, then calculates these specific controls Then the average value of factor case characterization parameter characterizes single governing factor for characterization parameter by the difference of two average values It influences;
C, influence of the whole depositional environment for water channel characterization parameter is calculated according to COS distance formula: according to step B institute All governing factors for the influence value of characterization parameter, and calculate whole depositional environment using COS distance and characterization joined Several influence values;
D, the form similarity of different water channels is calculated using lattice close-degree formula: corresponding according to characterization parameter in water channel case Descriptive statistic parameter, and calculate the form similarity between different water channel cases using lattice close-degree in fuzzy mathematics;
E, the environment similarity of different water channels is calculated using min-hash algorithm: according in step A for record not accomplice The eigenmatrix of example governing factor, utilizes the similarity of the whole depositional environment of min hashing computing difference water channel case.
2. a kind of research depositional environment according to claim 1 is to the data mining algorithm of deep water water channel morphology influence, It is characterized in that, the water channel form of non-survey area: the numerical result being calculated by step C-E is predicted using depositional environment, The combination of governing factor is recycled to speculate the water channel morphological feature of non-survey area.
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