CN109001840A - A kind of mud shale genetic analysis method and device - Google Patents
A kind of mud shale genetic analysis method and device Download PDFInfo
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- CN109001840A CN109001840A CN201810793556.9A CN201810793556A CN109001840A CN 109001840 A CN109001840 A CN 109001840A CN 201810793556 A CN201810793556 A CN 201810793556A CN 109001840 A CN109001840 A CN 109001840A
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Abstract
The embodiment of the present invention provides a kind of mud shale genetic analysis method and device.Method includes: to obtain log data to more mouthfuls of exploratory wells in survey area, includes at least a bite rock core well and more mouthfuls of non-rock core wells in exploratory well；Reservoir rock and caprock analysis is carried out to corresponding exploratory well according to log data, and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results；Every mouthful of exploratory well is demarcated respectively, the astronomical High-resolution Cyclostratigraphy screen work of the astronomical High-resolution Cyclostratigraphy screen work of rock core well and Ge Fei rock core well is attached by acquisition connection relationship according to calibration result；The corresponding mud shale origin cause of formation of rock core well is obtained, the mud shale origin cause of formation of the non-rock core well is obtained according to the mud shale origin cause of formation and connection relationship of rock core well.Device is for executing the above method.The embodiment of the present invention analyzes the mud shale origin cause of formation of non-rock core well by rock core well, without carrying out coring analysis to non-rock core well, to reduce analysis cost.
Description
Technical field
The present invention relates to shale oil-gas exploration technical field, in particular to a kind of mud shale genetic analysis method and
Device.
Background technique
In traditional sandstone or carbonate rock research, mutually sentence generally according to well logging to carry out the origin cause of formation in the well of no rock core
It is disconnected.Cycle of sedimentation feature of all types of lithosomic bodys in well logging is utilized, the peculiar well logging phase mould of all types of cycles of sedimentation is established
Plate, to realize that the origin cause of formation without rock core well determines using well logging phase template.With the vertical frequent lithology of sandstone and carbonate rock
Variation is different, and vertical relatively stable, this results in log response difference of the mud shale on vertical not for the lithology of mud shale
Obviously, make that there is presently no the well logging phase templates of mature each genetic type mud shale.Therefore, at present in oil-gas exploration and development
The genetic analysis of mud shale depends on core analysis and test, but this method causes mud shale genetic analysis can only be in rock core well
Carry out, the mud shale origin cause of formation of non-rock core well cannot be analyzed.
In the prior art, can by carrying out coring to mud shale to acquiring coring data, according to coring data come
Analyze the origin cause of formation of mud shale.Mud shale coring is expensive, causes mud shale coring data rare.In drilling process, if you need to
Coring needs first suspending a well, then with special equipment coring.This is by the period for the drilling well that increases sharply and cost.According to rough
Estimation, often taking the cost of 1 meter of rock core is ten thousand yuan of 2-5.For oil-gas exploration and the evaluation of advantageous interval, need to reach in clear thickness
Advantageous interval evaluation is carried out on the basis of tens of rice even hundreds of meters of rock core origin causes of formation.Therefore, rock core is such as only relied upon, it will greatly
Increase oil-gas exploration cost.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of mud shale genetic analysis method and device, with solution
Certainly above-mentioned technical problem.
In a first aspect, the embodiment of the invention provides a kind of mud shale genetic analysis methods, comprising:
Log data to more mouthfuls of exploratory wells in survey area is obtained, includes at least a bite rock core in the more mouthfuls of exploratory wells
Well and more mouthfuls of non-rock core wells；
Reservoir rock and caprock analysis is carried out to corresponding exploratory well according to the log data, and right based on the analysis results
Each exploratory well establishes astronomical High-resolution Cyclostratigraphy screen work；
Every mouthful of exploratory well is demarcated respectively, according to calibration result by the astronomical High-resolution Cyclostratigraphy screen work of the rock core well and
The astronomical High-resolution Cyclostratigraphy screen work of each non-rock core well is attached, and obtains connection relationship；
The corresponding mud shale origin cause of formation of rock core well is obtained, is obtained according to the mud shale origin cause of formation of the rock core well and the connection relationship
Obtain the mud shale origin cause of formation of the non-rock core well.
Further, the method also includes:
The rock core information for obtaining the rock core well carries out the mud shale that analysis obtains the rock core well to the rock core information
The origin cause of formation.
Further, described that reservoir rock and caprock analysis is carried out to corresponding exploratory well according to the log data, and
Astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results, comprising:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the survey on different time scales
The signal value of various signals in well data；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical cycle of the exploratory well based on the analysis results
Stratigraphic framework.
It is further, described that every mouthful of exploratory well is demarcated respectively, comprising:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, is led to
The anchor point is crossed to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
It is further, described that every mouthful of exploratory well is demarcated respectively, comprising:
The exploratory well is marked according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature
It is fixed.
Second aspect, the embodiment of the invention provides a kind of mud shale genetic analysis devices, comprising:
Module is obtained to wrap in the more mouthfuls of exploratory wells for obtaining the log data to more mouthfuls of exploratory wells in survey area
Include at least a bite rock core well and more mouthfuls of non-rock core wells；
Screen work establishes module, for carrying out reservoir rock and caprock point to corresponding exploratory well according to the log data
Analysis, and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results；
Demarcating module, for being demarcated respectively to every mouthful of exploratory well, according to calibration result by the astronomy of the rock core well
The astronomical High-resolution Cyclostratigraphy screen work of High-resolution Cyclostratigraphy screen work and Ge Fei rock core well is attached, and obtains connection relationship；
First genetic analysis module, for obtaining the corresponding mud shale origin cause of formation of rock core well, according to the mud page of the rock core well
The rock origin cause of formation and the connection relationship obtain the mud shale origin cause of formation of the non-rock core well.
Further, described device, further includes:
Second genetic analysis module analyzes the rock core information for obtaining the rock core information of the rock core well
Obtain the mud shale origin cause of formation of the rock core well.
Further, the screen work establishes module, is specifically used for:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the survey on different time scales
The signal value of various signals in well data；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical cycle of the exploratory well based on the analysis results
Stratigraphic framework.
Further, the demarcating module, is specifically used for:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, is led to
The anchor point is crossed to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
Further, the demarcating module, is specifically used for:
The exploratory well is marked according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature
It is fixed.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising: processor, memory and bus, wherein
The processor and the memory complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Enable the method and step for being able to carry out first aspect.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, comprising:
The non-transient computer readable storage medium stores computer instruction, and the computer instruction makes the computer
Execute the method and step of first aspect.
The embodiment of the present invention by log data to corresponding exploratory well carry out reservoir rock and caprock analysis, and according to point
It analyses result and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well, then by the astronomical High-resolution Cyclostratigraphy screen work of rock core well and non-rock core well
It is attached, and obtains the mud shale origin cause of formation of non-rock core well according to the mud shale origin cause of formation of rock core well, without being carried out to non-rock core well
Coring analysis, to reduce analysis cost.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing understanding of the embodiment of the present invention.The objectives and other advantages of the invention can be by written theory
Specifically noted structure is achieved and obtained in bright book, claims and attached drawing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of mud shale genetic analysis method flow schematic diagram provided in an embodiment of the present invention；
Fig. 2 is Dongying Depression B well spectrum analysis figure provided in an embodiment of the present invention；
Fig. 3 is the astronomical cycle screen work schematic diagram of Dongying Depression B well provided in an embodiment of the present invention floating；
Fig. 4 is the astronomical High-resolution Cyclostratigraphy screen work connection schematic diagram of A well provided in an embodiment of the present invention and B well；
Fig. 5 is a kind of mud shale genetic analysis apparatus structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the structural block diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 is a kind of mud shale genetic analysis method flow schematic diagram provided in an embodiment of the present invention, as shown in Figure 1, should
Method includes:
Step 101: obtaining the log data to more mouthfuls of exploratory wells in survey area, include at least in the more mouthfuls of exploratory wells
A bite rock core well and more mouthfuls of non-rock core wells.
In the specific implementation process, since the sphere of action of astronomical cycle parameter is big, in a basin and its peripherally
Area's solarization amount is essentially identical, therefore identical to the influence of the mud shale in each region in basin profundal zone.Based on this, revolved in astronomy
It returns under effect, the mud shale tool of the different wells deposition of the profundal zone (dozens of kilometres to several hundred kilometers) apart from each other in the same time
There is identical origin mechanism.Therefore, the available log data to more mouthfuls of exploratory wells in survey area, to every mouthful of exploratory well into
Row GR log analysis guarantees that the test density of GR curve is not more than 0.125 meter, can satisfy the precision of cyclical stratigraphy analysis
It is required that.It should be noted that should have at least a bite rock core well in more mouthfuls of exploratory wells, remaining exploratory well is non-rock core well,
For rock core well, the corresponding rock core information of rock core well can also be got.
Step 102: according to the log data to corresponding exploratory well carry out reservoir rock and caprock analysis, and according to point
It analyses result and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well.
In the specific implementation process, it is utilized respectively log data and reservoir rock and caprock point is carried out to corresponding exploratory well
Analysis.There are three parameters for reservoir rock and caprock, are respectively: 1) eccentricity (period is about 0.1,0.4,1.3,2,000,000 year), characterization
The earth is around the track of solar motion.2) slope (39,41,000 years periods), the i.e. inclination angle (variation range of earth's axis
22o02'-24o30'), the angle of ecliptic plane and the equatorial plane is shown as.3) in the precession of the equinoxes (19,23,000 years periods), refer to earth rotation
Rotary motion of the axis around ecliptic axis.The cycle of different stage astronomy passes through following mechanism deposition.E-value increase or
Reduce control the distance between the earth and the sun, e-value higher stage stage solarization amount more lower than e-value high 20% is left
It is right.The size of slope influences the climate difference degree size of different latitude and Various Seasonal on the earth.For example, if slope is
Zero, the sun will direct projection equator always, seasonal variations are not present on the earth；Slope increases, seasonality enhancing.It is modulated by eccentricity
In the case where, the season of the Northern Hemisphere (or Southern Hemisphere) perihelion in a precessional cycle undergoes one " winter summer-- summer "
Mechanical periodicity, to influence the distribution of solar energy.The above parameter one reacts on basin, and co- controlling mud shale deposition is made
With.Therefore, astronomical High-resolution Cyclostratigraphy screen work can establish according to the analysis result to every mouthful of exploratory well.
Step 103: every mouthful of exploratory well being demarcated respectively, by the astronomical cycle of the rock core well according to calibration result
The astronomical High-resolution Cyclostratigraphy screen work of layer screen work and Ge Fei rock core well is attached, and obtains connection relationship.
In the specific implementation process, every mouthful of exploratory well is demarcated respectively, it should be noted that can be according to survey year
It determines the anchor point of exploratory well, then exploratory well is demarcated by anchor point, selection whole district Stable distritation can also be passed through
Reference lamina is demarcated, and is revolved the astronomical High-resolution Cyclostratigraphy screen work of the rock core well and the astronomical of Ge Fei rock core well according to calibration result
It returns Stratigraphic framework to be attached, obtains connection relationship.
Step 104: the corresponding mud shale origin cause of formation of rock core well is obtained, according to the mud shale origin cause of formation of the rock core well and the company
The relationship of connecing obtains the mud shale origin cause of formation of the non-rock core well.
In the specific implementation process, by the available corresponding mud shale of rock core well of the rock core information of rock core well at
Then cause analyzes the Coupling Rule of each origin mechanism mud shale and astronomical cycle screen work in the coring interval of rock core well, clear
It, can be across rock core well and non-rock on the basis of mud shale rock core sedimentation mechanism and its Evolution under astronomical cycle screen work
Under the constraint of heart well astronomy cycle screen work, the mud shale sedimentation mechanism of non-rock core well is analyzed.It is understood that since astronomy revolves
The sphere of action for returning parameter is big, essentially identical in a basin and its fringe area solarization amount, therefore to each area in basin profundal zone
The influence of the mud shale in domain is identical.Based on this, under astronomical cycle effect, the profundal zone in the same time is apart from each other
The mud shale origin mechanism having the same of the different wells deposition of (dozens of kilometres to several hundred kilometers).Therefore, analysis can be passed through
The origin cause of formation of mud shale in rock core well, and then be generalized in the well of neighbouring no rock core in same interval.It is final to realize in Wu Yan
In the well of the heart, by the origin mechanism of mud shale come preferred favorable reservoir interval.Therefore, by the mud shale origin cause of formation of rock core well with
And the connection relationship of the astronomical High-resolution Cyclostratigraphy screen work between rock core well and non-rock core well, the mud for acquiring non-rock core well can be corresponded to
The shale origin cause of formation.
The embodiment of the present invention by log data to corresponding exploratory well carry out reservoir rock and caprock analysis, and according to point
It analyses result and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well, then by the astronomical High-resolution Cyclostratigraphy screen work of rock core well and non-rock core well
It is attached, and obtains the mud shale origin cause of formation of non-rock core well according to the mud shale origin cause of formation of rock core well, without being carried out to non-rock core well
Coring analysis, to reduce analysis cost.
On the basis of the above embodiments, the method also includes:
The rock core information for obtaining the rock core well carries out the mud shale that analysis obtains the rock core well to the rock core information
The origin cause of formation.
It in the specific implementation process, can be to the mud of the rock core well by the rock core information of the coring layer in rock core well
The shale origin cause of formation is analyzed, and specific analytical method is consistent with existing conventional method, and the embodiment of the present invention does not do specific limit to this
It is fixed.
The embodiment of the present invention analyzes the mud shale origin cause of formation of rock core well according to rock core information, and builds to rock core well and non-rock core well
The connection relationship of vertical astronomy High-resolution Cyclostratigraphy screen work, to obtain non-rock core according to the mud shale origin cause of formation and connection relationship of rock core well
The mud shale origin cause of formation of well can get the mud shale origin cause of formation without carrying out coring operation to non-rock core well, reduce analysis cost.
On the basis of the above embodiments, described that Milankovitch is carried out to corresponding exploratory well according to the log data
Cyclic Analysis, and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results, comprising:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the survey on different time scales
The signal value of various signals in well data；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical cycle of the exploratory well based on the analysis results
Stratigraphic framework.
In the specific implementation process, the astronomical cycle screen work for establishing each rock core well and non-rock core well, is subdivided into following 4
Step is respectively:
1) data selection and pretreatment: the oil-gas bearing basin log data sampling interval is generally 0.125m, can satisfy rotation
The required precision of stratigraphy analysis is returned, therefore reservoir rock and caprock analysis is carried out using GR curve here.Carrying out High Frequency Cyclic
Before research, the correction method of surroundings effecting is carried out to GR data using the environmental correction module of Forward interpretation platform, eliminates it
The influence that his non-orbital element may cause result.Interpolation is carried out to GR data simultaneously and trending is gone to handle, and is removed different
Normal extreme value, the result for as far as possible influencing orbital element are significant.
2) spectrum analysis and significance test: being the contribution margin on different time scales by a Time Series, more
The good physical process for understanding various signal intensities generations in time series.After spectrum analysis, using self noise model or
ARI noise model carries out significance test to result.The significance of selection of the embodiment of the present invention 0.05, that is, be higher than
95% confidence level.By the way that the calculated result being located on confidence level to be compared with the theoretical period, actual cycle is determined.
3) wavelet analysis: using Torrence (1998) provide continuous wavelet transform tool box, using wavelet analysis come
Echo signal changes in analysis time sequence, by determining the main shape of echo signal for Time Series to time frequency space
State and these states change with time situation.
4) track tunes: first using the theoretical calculation change curve of Earth's orbit element as aim curve, secondly to the time
Geologic climate data interpolating between control point to construct an initial time scale, studied by independent geological epoch by data used
Gained extracts corresponding orbital frequency component using digital filtering repeatedly again, by the song of echo signal from Paleoclimate
Line is compared and analyzed with aim curve, is such as misfitted, then by add new time control point make filter curve with it is corresponding
Theoretical orbital curve is harmonious, to keep climatic data and the variation of Earth's orbit element consistent on period and phase.
It can establish the astronomical High-resolution Cyclostratigraphy screen work of exploratory well based on the above analysis.
It is on the basis of the above embodiments, described that every mouthful of exploratory well is demarcated respectively, comprising:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, is led to
The anchor point is crossed to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
In the specific implementation process, in order to obtaining between the astronomical High-resolution Cyclostratigraphy screen work of rock core well and non-rock core well
Astronomical High-resolution Cyclostratigraphy screen work between relationship, after respectively exploratory well establishes astronomical High-resolution Cyclostratigraphy screen work, it is also necessary to
Each exploratory well is demarcated, so as to get the corresponding relationship between rock core well and non-rock core well.Can wherein it lead to
It crosses default dating methods and survey year is carried out to each exploratory well, the anchor point of each exploratory well is determined according to survey annual bearing, passes through anchor point pair
Each exploratory well is demarcated.Specifically default dating methods may is that
1) quartz for just initially forming Lacking oxygen and the E' heart after weathering, broken and redeposition is selected, ESR quartz is carried out
Survey year.
2) volcanic rock or volcanic ash isotope tracling method: according to different research objects, using different isotope tracling method sides
Method, zircon has become one of the most frequently used in the study of isotope chronology and most efficient method, and very old rock chronology can
To be measured with K-Ar method.
3) earth magnetism polarity age: utilizing newest Lourens04 chronology, measures the rock age.
The embodiment of the present invention demarcates each exploratory well by anchor point, so as to accurately obtain rock core
Connection relationship between the astronomical High-resolution Cyclostratigraphy screen work of well and the astronomical High-resolution Cyclostratigraphy screen work of non-rock core well.
It is on the basis of the above embodiments, described that every mouthful of exploratory well is demarcated respectively, comprising:
The exploratory well is marked according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature
It is fixed.
In the specific implementation process, in order to obtaining between the astronomical High-resolution Cyclostratigraphy screen work of rock core well and non-rock core well
Astronomical High-resolution Cyclostratigraphy screen work between relationship, after respectively exploratory well establishes astronomical High-resolution Cyclostratigraphy screen work, it is also necessary to
Each exploratory well is demarcated, so as to get the corresponding relationship between rock core well and non-rock core well.It can wherein select
The reference lamina of each exploratory well is selected, reference lamina lithology is stable, thickness is uniform and readily identified.Based on reference lamina, in conjunction with ground
The lithologic character of layer, the cycle of sedimentation and electrical property feature etc. carry out the comparison and division on stratum in detail.Here main bent using well logging
Line interpretative method, select full well section: the area ①Quan You is widely distributed and stablizes；2. the lithology and physical property characteristic of reservoir are obvious；3.
Within the scope of the area Quan You, the logging character of reservoir is obvious and regular without significant change or variation.
The embodiment of the present invention demarcates each exploratory well by mark storehouse, so as to accurately obtain rock
Connection relationship between the astronomical High-resolution Cyclostratigraphy screen work of heart well and the astronomical High-resolution Cyclostratigraphy screen work of non-rock core well.
The embodiment of the present invention by by taking the A well of Chinese Dongying Depression Eocene series (non-core hole) and B well (core hole) as an example,
The mud shale origin cause of formation of A well is analyzed:
Firstly, carrying out the drilling well and well logging of this two mouthfuls of wells, and obtains B well and provided in the rock core of deep water mud shale interval
Material.
Secondly, carrying out reservoir rock and caprock analysis to this two mouthfuls of wells respectively, specifically include: choosing GR data and located in advance
Reason, then carries out spectrum analysis, and the confidence range 95% carries out significance test, secondly carries out wavelet analysis, and Fig. 2 is this
The Dongying Depression B well spectrum analysis figure that inventive embodiments provide, as shown in Figure 2.In conjunction with Wavelet Energy Spectrum and spectrum analysis it is found that
The high frequency band of 4 energy on small echo figure have with the major cycle of spectrum analysis it is preferable corresponding, it is as shown in the table:
After completing data selection and pretreatment, spectrum analysis and significance test, wavelet analysis, track tuning analysis,
The floating High-resolution Cyclostratigraphy screen work of A well and B well is established respectively, and Fig. 3 is that Dongying Depression B well provided in an embodiment of the present invention floating is astronomical
Cycle screen work schematic diagram, as shown in Figure 3.B well mud shale coring section can be subdivided into 5 eccentricity cycles in 125,000 years (from lower and
Upper number consecutively 1-5) and 27 23,000 years precession cycles (number consecutively 1-27 from bottom to top).
Then, under the calibration of the anchor point age 44.6Ma in A well and B well, i.e., the astronomical rotation of A well and B well " has been connected "
Return screen work.The eccentricity cycle of A well and precession cycles are numbered respectively, guarantee the number phase of two mouthfuls of well contemporaneity cycles of sedimentation
Together, Fig. 4 is the astronomical High-resolution Cyclostratigraphy screen work connection schematic diagram of A well provided in an embodiment of the present invention and B well, as shown in Figure 4.
Finally, the coring feature of analysis B well mud shale, it is vertical on successively to mark off more phase hydrostatic mud shales and gravity stream heavy
Deposition shale.The coupled relation of the cycle of B well astronomy and mud shale sedimentation mechanism is analyzed, discovery eccentricity cycle in 125,000 years is most
Three 23,000 annual precession cycles near big value correspond to gravity stream mud shale, and the mud shale in other periods is hydrostatic deposition,
To specify the mud shale sedimentary origin of each precession cycles.Therefore, A well precession cycles corresponding with B well also have equally
Sedimentary origin, therefore, it is determined that the mud shale sedimentary origin of A well out.
Fig. 5 is a kind of mud shale genetic analysis apparatus structure schematic diagram provided in an embodiment of the present invention, as shown in figure 5, should
Device includes: to obtain module 501, screen work to establish module 502, demarcating module 503 and the first genetic analysis module 504, wherein
It obtains module 501 and is used to obtain log data to more mouthfuls of exploratory wells in survey area, in the more mouthfuls of exploratory wells
Including at least a bite rock core well and more mouthfuls of non-rock core wells；Screen work is established module 502 and is used for according to the log data to corresponding
Exploratory well carries out reservoir rock and caprock analysis, and establishes astronomical High-resolution Cyclostratigraphy screen work to each exploratory well based on the analysis results；Mark
Cover half block 503 is for respectively demarcating every mouthful of exploratory well, according to calibration result by the astronomical High-resolution Cyclostratigraphy of the rock core well
The astronomical High-resolution Cyclostratigraphy screen work of screen work and Ge Fei rock core well is attached, and obtains connection relationship；First genetic analysis module 504 is used
In the corresponding mud shale origin cause of formation of acquisition rock core well, according to the mud shale origin cause of formation of the rock core well and connection relationship acquisition
The mud shale origin cause of formation of non-rock core well.
On the basis of the above embodiments, described device, further includes:
Second genetic analysis module analyzes the rock core information for obtaining the rock core information of the rock core well
Obtain the mud shale origin cause of formation of the rock core well.
On the basis of the above embodiments, the screen work establishes module, is specifically used for:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the survey on different time scales
The signal value of various signals in well data；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical cycle of the exploratory well based on the analysis results
Stratigraphic framework.
On the basis of the above embodiments, the demarcating module, is specifically used for:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, is led to
The anchor point is crossed to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
On the basis of the above embodiments, the demarcating module, is specifically used for:
The exploratory well is marked according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature
It is fixed.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
Specific work process, no longer can excessively be repeated herein with reference to the corresponding process in preceding method.
In conclusion the embodiment of the present invention carries out reservoir rock and caprock point to corresponding exploratory well by log data
Analysis, and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results, then by the astronomy of rock core well and non-rock core well
High-resolution Cyclostratigraphy screen work is attached, and the mud shale origin cause of formation of non-rock core well is obtained according to the mud shale origin cause of formation of rock core well, without pair
Non- rock core well carries out coring analysis, to reduce analysis cost.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, obtains in survey area
The log data of more mouthfuls of exploratory wells includes at least a bite rock core well and more mouthfuls of non-rock core wells in the more mouthfuls of exploratory wells；According to institute
It states log data and reservoir rock and caprock analysis is carried out to corresponding exploratory well, and day is established to each exploratory well based on the analysis results
Literary High-resolution Cyclostratigraphy screen work；Every mouthful of exploratory well is demarcated respectively, by the astronomical cycle of the rock core well according to calibration result
The astronomical High-resolution Cyclostratigraphy screen work of layer screen work and Ge Fei rock core well is attached, and obtains connection relationship；Obtain the corresponding mud of rock core well
The shale origin cause of formation, according to the mud shale origin cause of formation of the rock core well and the connection relationship obtain the mud shale of the non-rock core well at
Cause.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
Such as include: to obtain log data to more mouthfuls of exploratory wells in survey area, includes at least a bite rock core in the more mouthfuls of exploratory wells
Well and more mouthfuls of non-rock core wells；According to the log data to the progress reservoir rock and caprock analysis of corresponding exploratory well, and according to
It analyzes result and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well；Every mouthful of exploratory well is demarcated respectively, according to calibration result
The astronomical High-resolution Cyclostratigraphy screen work of the astronomical High-resolution Cyclostratigraphy screen work of the rock core well and Ge Fei rock core well is attached, is connected
Relationship；The corresponding mud shale origin cause of formation of rock core well is obtained, is obtained according to the mud shale origin cause of formation of the rock core well and the connection relationship
The mud shale origin cause of formation of the non-rock core well.
Fig. 6 is please referred to, Fig. 6 is the structural block diagram of electronic equipment provided in an embodiment of the present invention.Electronic equipment may include
Analytical equipment 601, memory 602, storage control 603, processor 604, Peripheral Interface 605, input-output unit 606, sound
Frequency unit 607, display unit 608.
The memory 602, storage control 603, processor 604, Peripheral Interface 605, input-output unit 606, sound
Frequency unit 607, each element of display unit 608 are directly or indirectly electrically connected between each other, to realize the transmission or friendship of data
Mutually.It is electrically connected for example, these elements can be realized between each other by one or more communication bus or signal wire.The analysis
Device 601 includes that at least one can be stored in the memory 602 or solidify in the form of software or firmware (firmware)
Software function module in the operating system (operating system, OS) of analytical equipment 601.The processor 604 is used
In executing the executable module that stores in memory 602, such as the software function module that includes of analytical equipment 601 or computer journey
Sequence.
Wherein, memory 602 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 602 is for storing program, and the processor 604 executes described program after receiving and executing instruction, aforementioned
Method performed by the server that the stream process that any embodiment of the embodiment of the present invention discloses defines can be applied to processor 604
In, or realized by processor 604.
Processor 604 can be a kind of IC chip, the processing capacity with signal.Above-mentioned processor 604 can
To be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc.；Can also be digital signal processor (DSP), specific integrated circuit (ASIC),
Ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hard
Part component.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor
It can be microprocessor or the processor 604 be also possible to any conventional processor etc..
Various input/output devices are couple processor 604 and memory 602 by the Peripheral Interface 605.Some
In embodiment, Peripheral Interface 605, processor 604 and storage control 603 can be realized in one single chip.Other one
In a little examples, they can be realized by independent chip respectively.
Input-output unit 606 realizes user and the server (or local terminal) for being supplied to user input data
Interaction.The input-output unit 606 may be, but not limited to, mouse and keyboard etc..
Audio unit 607 provides a user audio interface, may include one or more microphones, one or more raises
Sound device and voicefrequency circuit.
Display unit 608 provides an interactive interface (such as user interface) between the electronic equipment and user
Or it is referred to for display image data to user.In the present embodiment, the display unit 608 can be liquid crystal display or touching
Control display.It can be the touching of the capacitance type touch control screen or resistance-type of support single-point and multi-point touch operation if touch control display
Control screen etc..Single-point and multi-point touch operation is supported to refer to that touch control display can sense on the touch control display one or more
The touch control operation generated simultaneously at a position, and the touch control operation that this is sensed transfers to processor 604 to be calculated and handled.
Various input/output devices are couple processor 604 and memory 602 by the Peripheral Interface 605.Some
In embodiment, Peripheral Interface 605, processor 604 and storage control 603 can be realized in one single chip.Other one
In a little examples, they can be realized by independent chip respectively.
Input-output unit 606 is used to be supplied to the interaction that user input data realizes user and processing terminal.It is described defeated
Entering output unit 606 may be, but not limited to, mouse and keyboard etc..
It is appreciated that structure shown in fig. 6 is only to illustrate, the electronic equipment may also include it is more than shown in Fig. 6 or
The less component of person, or with the configuration different from shown in Fig. 6.Each component shown in Fig. 6 can using hardware, software or
A combination thereof is realized.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Claims (10)
1. a kind of mud shale genetic analysis method characterized by comprising
Obtain log data to more mouthfuls of exploratory wells in survey area, include in the more mouthfuls of exploratory wells at least a bite rock core well and
More mouthfuls of non-rock core wells；
Reservoir rock and caprock analysis is carried out to corresponding exploratory well according to the log data, and based on the analysis results to respectively surveying
Astronomical High-resolution Cyclostratigraphy screen work is established in prospect pit；
Every mouthful of exploratory well is demarcated respectively, according to calibration result by the astronomical High-resolution Cyclostratigraphy screen work and Ge Fei of the rock core well
The astronomical High-resolution Cyclostratigraphy screen work of rock core well is attached, and obtains connection relationship；
The corresponding mud shale origin cause of formation of rock core well is obtained, institute is obtained according to the mud shale origin cause of formation of the rock core well and the connection relationship
State the mud shale origin cause of formation of non-rock core well.
2. the method according to claim 1, wherein the method also includes:
The rock core information for obtaining the rock core well, to the rock core information carry out analysis obtain the mud shale of the rock core well at
Cause.
3. the method according to claim 1, wherein it is described according to the log data to corresponding exploratory well into
The analysis of row reservoir rock and caprock, and astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results, comprising:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the well logging number on different time scales
The signal value of various signals in；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical High-resolution Cyclostratigraphy of the exploratory well based on the analysis results
Screen work.
4. the method according to claim 1, wherein described respectively demarcate every mouthful of exploratory well, comprising:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, passes through institute
Anchor point is stated to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
5. the method according to claim 1, wherein described respectively demarcate every mouthful of exploratory well, comprising:
The exploratory well is demarcated according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature.
6. a kind of mud shale genetic analysis device characterized by comprising
Module is obtained, includes extremely in the more mouthfuls of exploratory wells for obtaining the log data to more mouthfuls of exploratory wells in survey area
Few a bite rock core well and more mouthfuls of non-rock core wells；
Screen work establishes module, for carrying out reservoir rock and caprock analysis to corresponding exploratory well according to the log data, and
Astronomical High-resolution Cyclostratigraphy screen work is established to each exploratory well based on the analysis results；
Demarcating module, for being demarcated respectively to every mouthful of exploratory well, according to calibration result by the astronomical cycle of the rock core well
The astronomical High-resolution Cyclostratigraphy screen work of Stratigraphic framework and Ge Fei rock core well is attached, and obtains connection relationship；
First genetic analysis module, for obtaining the corresponding mud shale origin cause of formation of rock core well, according to the mud shale of the rock core well at
Cause and the connection relationship obtain the mud shale origin cause of formation of the non-rock core well.
7. device according to claim 6, which is characterized in that described device, further includes:
Second genetic analysis module carries out analysis acquisition to the rock core information for obtaining the rock core information of the rock core well
The mud shale origin cause of formation of the rock core well.
8. device according to claim 6, which is characterized in that the screen work establishes module, is specifically used for:
The log data is pre-processed, the pretreatment includes interpolation, removes trending and abnormality value removing；
Spectrum analysis and significance test are carried out to pretreated log data, obtain the well logging number on different time scales
The signal value of various signals in；
Echo signal is obtained from the multi-signal in the log data using wavelet analysis；
Track tuning analysis is carried out to the echo signal, and establishes the astronomical High-resolution Cyclostratigraphy of the exploratory well based on the analysis results
Screen work.
9. according to the described in any item devices of claim 6-8, which is characterized in that the demarcating module is specifically used for:
Using default dating methods is carried out to each exploratory well survey year, the anchor point of each exploratory well is determined according to survey annual bearing, passes through institute
Anchor point is stated to demarcate each exploratory well；
The default dating methods include that quartz ESR surveys year, volcanic rock isotope tracling method or earth magnetism polarity survey year.
10. according to the described in any item devices of claim 6-8, which is characterized in that the demarcating module is specifically used for:
The exploratory well is demarcated according to the reference lamina of the exploratory well, lithologic character, the cycle of sedimentation and electrical property feature.
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