CN106772679A - A kind of method and device of Strata Comparison - Google Patents
A kind of method and device of Strata Comparison Download PDFInfo
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- CN106772679A CN106772679A CN201611242605.7A CN201611242605A CN106772679A CN 106772679 A CN106772679 A CN 106772679A CN 201611242605 A CN201611242605 A CN 201611242605A CN 106772679 A CN106772679 A CN 106772679A
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
Abstract
The embodiment of the present application provides a kind of method and device of Strata Comparison, wherein, methods described includes：The strata division appeared of image study area sedimentation is obtained, and the field canonical profile layering in the research area is determined according to the strata division appeared；Obtain the Strata Comparison result for specifying the strata division of drilling well and the strata division of the specified drilling well to be layered with the field canonical profile in the research area；The well-log information in the research area is obtained, and according to the well-log information, obtains the Strata Comparison result of the described specified drilling well and remaining each drilling well in the research area；Strata Comparison result and the field canonical profile layering according to each drilling well in the research area, obtains Strata Comparison result in the research area.The embodiment of the present application can conveniently obtain the fine correlation on stratum in region.
Description
Technical field
The application is related to technical field of geological exploration, more particularly, to a kind of method and device of Strata Comparison.
Background technology
Strata division contrast is the geological most basic problem of research, is also the work such as deposition, reservoir during oil and gas exploration works
The basis that work is studied.If the stratum age in an area is confused about, Stratigraphic Division And Correlation is chaotic, can directly affect oil gas and survey
The effect visited and produce.Stratum and contrast are divided exactly, for understanding one geologic history in area, ancient geoaraply looks,
And then instruct the oil-gas exploration and development tool of this area to be of great significance.
Region-wide contrast at present relies primarily on the data such as extinct plants and animal, and when obtaining the data such as extinct plants and animal and needing to expend substantial amounts of
Between and funds, bring many inconveniences to actual horizon compared.
The content of the invention
The purpose of the embodiment of the present application is to provide a kind of method and device of Strata Comparison, conveniently to obtain area
The fine correlation on stratum in domain.
To reach above-mentioned purpose, the embodiment of the present application provides a kind of method of Strata Comparison, and methods described includes：
The strata division appeared of image study area sedimentation is obtained, and institute is determined according to the strata division appeared
State the field canonical profile layering in research area；
Obtain strata division and the open country of strata division and the specified drilling well that drilling well is specified in the research area
The Strata Comparison result of outer canonical profile layering；
The well-log information in the research area is obtained, and according to the well-log information, obtains described in the research area
Specify drilling well and the Strata Comparison result of remaining each drilling well；
Strata Comparison result and the field canonical profile layering according to each drilling well in the research area, obtains described
Strata Comparison result in research area.
The embodiment of the present application additionally provides a kind of Strata Comparison device, and described device includes：
Standard layers determining module, the strata division appeared for obtaining image study area sedimentation, and according to institute
State the field canonical profile layering that the strata division appeared determines the research area；
Acquisition module, the stratum for obtaining strata division and the specified drilling well that drilling well is specified in the research area
It is layered the Strata Comparison result being layered with the field canonical profile；
First contrast module, for obtaining the well-log information in the research area, and according to the well-log information, obtains institute
State the Strata Comparison result of the described specified drilling well and remaining each drilling well in research area；
Second contrast module, for Strata Comparison result and the field standard according to each drilling well in the research area
Section is layered, and obtains Strata Comparison result in the research area.
The technical scheme provided from above-mentioned the embodiment of the present application, the embodiment of the present application is determined in research area first
Comparing result between specified drilling well and the field canonical profile layering appeared, further according to well-log information, has obtained in research area
The Strata Comparison result of each drilling well, so as to finally realize the fine correlation of horizons of the whole district.The embodiment of the present application is studying area
Interior specified drilling well is bridge, and Main Basiss log data realizes region-wide Strata Comparison, highly reliable, and can be significantly
Save cycle and the funds of Regional stratigraphic correlation research.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present application, constitutes the embodiment of the present application
A part, does not constitute the restriction to the embodiment of the present application.In the accompanying drawings：
Fig. 1 is a kind of Strata Comparison method schematic diagram of the embodiment of the present application；
Fig. 2 is the outcrop strata division and comparing result of the embodiment of the present application；
Specified drilling wells and field canonical profile horizon compared result of the Fig. 3 for the embodiment of the present application；
Fig. 4 is the GR curve comparison results of the embodiment of the present application；
Fig. 5 is the depositional cycle curve comparing result of the embodiment of the present application；
Fig. 6 is the research area formation comparing result schematic diagram of the embodiment of the present application；
Fig. 7 is a kind of Strata Comparison schematic device of the embodiment of the present application.
Specific embodiment
For the purpose, technical scheme and advantage for making the embodiment of the present application become more apparent, with reference to embodiment and attached
Figure, is described in further details to the embodiment of the present application.Here, the schematic description and description of the embodiment of the present application is used for
The embodiment of the present application is explained, but is not intended as the restriction to the embodiment of the present application.
Below in conjunction with the accompanying drawings, the specific embodiment to the embodiment of the present application is described in further detail.
With reference to shown in Fig. 1, a kind of Strata Comparison method that the embodiment of the present application is proposed can include following steps,
The method can be when it too need not rely on paleontologic analysis, for realizing region-wide fine correlation of horizons.It is described
Strata Comparison refers to, according to comparative studies of the features such as lithology, paleontological fossil on stratigraphic horizon, to distinguish the ground of different regions
Whether layer is suitable on layer position, when waiting in time.
Step S101, obtains the strata division appeared of image study area sedimentation, and according to the stratum appeared
Layering determines the field canonical profile layering in the research area.
The research area can be basin and target area to be explored etc..It is described appear can refer to rock, mineral ore and
The part that mineral deposit is basseted.The appearing of image study area sedimentation can refer in research area or to study area periphery specific
Within distance, and sedimentation situation can appear in more comprehensive image study area.In the present embodiment, obtain
Appearing for image study area sedimentation can be for contentedly matter section sedimentary sequence is complete and can be with continuous sampling
Etc. appearing for condition, the quantity of appearing of acquisition can be 1~2.The layering appeared can be provided by lithology information, extinct plants and animal
Material, natural gamma point test data, Isotopic Data and micro- molecule data etc. are obtained.Preferably, in order to obtain more
Accurately appear layering can by the lithology information appeared, paleontologic analysis, natural gamma point test data, Isotopic Data and
At least two data in micro- molecule data etc. combine layering.In embodiments herein, when the dew of selection
During head quantity more than one, can be realized according to the paleontologic analysis, Isotopic Data appeared or micro- molecule data etc.
Difference appear between Strata Comparison.
Step S102, obtains the strata division of strata division and the specified drilling well that drilling well is specified in the research area
The Strata Comparison result being layered with the field canonical profile.
In the present embodiment, the specified drilling well in the research area can refer to research area in those log datas completely and take
The complete drilling well of the heart, the quantity of the specified drilling well can be with more than one.Specifying the strata division in drilling well can be referred to by this
Determine the acquisition such as gamma ray curve, Isotopic Data and paleontologic analysis of drilling well.Obtaining the strata division of specified drilling well
Afterwards, then by the strata division of the specified drilling well Strata Comparison is carried out with field canonical profile layering.
In one embodiment of the application, the strata division and field that specified drilling well can be accomplished in the following manner are marked
The Strata Comparison of quasi- section layering：The stratum special characteristic of the specified drilling well and the stratum special characteristic appeared are obtained,
And stratum special characteristic and the stratum special characteristic appeared according to the specified drilling well, obtain the ground of the specified drilling well
The Strata Comparison result that layer layering is layered with the field canonical profile.
In above-described embodiment, the STRATIGRAPHIC DIVISION in drilling well is specified to complete, it is only necessary to which obtaining a special characteristic will refer to
Determine drilling well strata division it is corresponding with the layering of field canonical profile on, be achieved that both Strata Comparisons.
In another embodiment of the application, the stratum special characteristic of the specified drilling well can be by the specified drilling well
Natural Gamma-ray Logging Curves, paleontologic analysis or Isotopic Data obtain；The stratum special characteristic appeared can pass through
Natural gamma point test result, paleontologic analysis or the Isotopic Data appeared is obtained.Specifically, specified brill can be obtained
The data (paleontologic analysis or Isotopic Data etc.) of well and the identical type appeared, according to the data of the identical type, by two
On the Strata Comparison of person.For example, the paleontologic analysis that the paleontologic analysis of specified drilling well can be obtained and appeared, according to described
Appear and specify the paleontologic analysis of drilling well, by it is described appear and specify that the time is first-class in drilling well when Strata Comparison on so that
Realize both Strata Comparisons.
Step S103, obtains the well-log information in the research area, and according to the well-log information, obtains the research area
Interior described specified drilling well and the Strata Comparison result of remaining each drilling well.
In the present embodiment, the strata division pair of the specified drilling well obtained in the research area and remaining each drilling well
Than that log data by the layering of specified drilling well and Strata Comparison in remaining each drilling well in whole research area, can be obtained according to
Obtain Strata Comparison result.
In a specific embodiment of the application, S103 can be implemented by following manner：
(1) obtain the well-log information in the research area, and each is obtained in the research area according to the well-log information
The sediment sequence analysis result of drilling well.
(2) according to the sediment sequence analysis result of each drilling well, obtain in the research area the specified drilling well and
The Strata Comparison result of remaining each drilling well.
In above-described embodiment, the result of well-log information sediment sequence analysis both can be used for each and bore interior stratum stroke
Point, it is also possible to for the Strata Comparison between different drilling wells.Therefore, above-described embodiment is obtained on the basis of well-log information
The Strata Comparison result of specified drilling well and remaining each drilling well in research area.
The well-log information for being used for drilling stratum contrast in realization area in one embodiment of the application, in S103 can
Think Natural Gamma-ray Logging Curves, i.e., sediment sequence analysis result according to Natural Gamma-ray Logging Curves realize specifying drilling well and its
The contrast of remaining drilling stratum.
Step S104, Strata Comparison and the field canonical profile layering according to each drilling well in the research area, obtains
Strata division to the research area is contrasted.
In the present embodiment, by after above-mentioned steps S102, specifying drilling well in research area with field canonical profile hierarchically
Layer realizes contrast, realizes the Strata Comparison of specified drilling well and remaining drilling well in research area in S103 again, therefore in S104,
The result of comprehensive S102 and S103, and the knowledge such as sedimentology are combined, region-wide interior stratum can be contrasted.
Embodiment understands that the embodiment of the present application is determined in research area and specifies drilling well and the open country appeared first as shown in Figure 1
Comparing result between outer canonical profile layering, further according to well-log information, has obtained studying the Strata Comparison of each drilling well in area
As a result, so as to finally realize the fine correlation of horizons of the whole district.The embodiment of the present application with the specified drilling well studied in area be bridge,
Main Basiss log data realizes region-wide Strata Comparison, highly reliable, and can greatly save Regional stratigraphic correlation and grind
The cycle studied carefully and funds.It is
Embodiment shown in above-mentioned Fig. 1 can be also used for carrying out fine stratum pair to some stratum series of strata in research area
Than, it can be that reflection need the series of strata deposition conditions of fine correlation to appear that what now S101 was obtained appears, then by step S102
Contrast into S104 is limited in the series of strata that this needs fine correlation, so as to finally realize fine Strata Comparison in the series of strata.
In one embodiment of the application, in above-mentioned each embodiment implementation process, carry out specifying brill in S103
Before well is contrasted with remaining drilling stratum in research area, research area's seismic data can also be obtained, carry out well shake and demarcate, according to well
Shake the result of the sediment sequence analysis of the result and well-log information demarcated, obtain specified drilling well in the research area and its
The Strata Comparison result of remaining each drilling well.
Specifically, in one embodiment of the application, the result that can be demarcated according to well shake is obtained in the research area
The range constraint of each series of strata.Described each series of strata can be the series of strata that fine correlation is needed in research area, and the needs are fine
The series of strata of contrast can be more than or equal to one.
According to the range constraint and the sediment sequence analysis result of each drilling well, obtain described in the research area
Specify drilling well and the Strata Comparison result of remaining each drilling well.
Specifically, if desired fine correlation be only research area in some series of strata, then according to well shake demarcate determine be somebody's turn to do
The range constraint of series of strata, and realize fine Strata Comparison using the technical scheme in above-described embodiment in the range constraint.If
Need the stratum series of strata of fine correlation not know one, then the range constraint for determining each series of strata is demarcated according to well shake, and at each
Fine Strata Comparison is realized on the basis of the range constraint of series of strata.
In the present embodiment, the constraint that well shake is demarcated is added, the scope of each series of strata can be specified, improve contrast precision.
, it is necessary to by the Sichuan Basin and the stratum of the Cambrian system Temple of the Dragon King group of fringe area in one embodiment of the application
Fine correlation and division are carried out, with clear and definite Exploration Domain and distribution of favorable reservoir rule, that is, fine correlation is needed in research area
Some series of strata.In the present embodiment, the fine Strata Comparison for studying area can be realized according to following steps.
(1) strata division appeared of reflection Temple of the Dragon King group sedimentation is obtained, and according to the strata division appeared
Determine the field canonical profile layering on the Temple of the Dragon King group stratum.
In the present embodiment, obtaining can embody the dew of Temple of the Dragon King group series of strata sedimentation in research area periphery observation station
Head, and acquired appear that to meet geologic section sedimentary sequence complete and can be with conditions such as continuous samplings, specifically, this implementation
Example have selected the entrance of the city Shi Xi rivers section before rice barn southern river beach profile in front of the mountains and Daba Mountain as research object.Due to the Dragon King
Based on dolomite, paleontological fossil extracts difficult to mausoleum group, therefore first according to lithology information and carbon isotope data of carbon to dew
Head carries out strata division division, division result as shown in Fig. 2 δ C13 represent the attenuation curve of carbon isotope in figure.Can by Fig. 2
Know, southern river beach profile formation thickness is relatively thin, abundant containing detrital material with 3 cycles of sedimentation, aggregate performance is deposition landforms
The characteristics of higher, close Lu Yuan swells.And entrance of the city Shi Xi rivers section deposit thickness is big, with 5 cycles of sedimentation, with carbonate rock
Based on deposition, it is deeper to embody sedimentary water body, apart from material resource farther out the characteristics of.Meanwhile, as shown in Figure 2, in carbon isotope curve
The upper stratum top that can see has the obvious characteristic of carbon isotope bear drift, and this feature is referred to as ROECE drifts, is cold military
The carbon isotope drift features that the system whole world can contrast, can be clear and definite by the identification and contrast of this feature, in Nan Jiangsha
In beach and entrance of the city Shi Xi rivers section, top cycle is when waiting, to reflect in the deposition of deposition phase entrance of the city Shi Xi river section bottom 2
Cycle phase, southern river beach profile is in exposure and non-sedimentation state.
(2) obtain in the research area specify the strata division of drilling well and the strata division of the specified drilling well with it is described
The Strata Comparison result of field canonical profile layering.
In the present embodiment, the specified drilling well is that log data is complete and complete drilling well of coring in research area, specifically
To grind the well of small stream 19 and the well of stone high 10.
Cyclic Analysis result first according to the mill well of small stream 19 and the gamma ray curve of the well of stone high 10 determines dividing in drilling well
Layer situation.Wherein, the Cyclic Analysis result of gamma ray curve of the mill well of small stream 19 shows, 4 cycles of sedimentation are had in it；Gao Shi
The Cyclic Analysis result of the gamma ray curve of 10 wells shows, 3 cycles of sedimentation are had in it.
Further according to carbon isotope data of carbon complete mill small stream 19 well, the well of stone high 10 and field canonical profile (southern river beach profile and
Entrance of the city Shi Xi rivers section) Strata Comparison, comparing result is as shown in figure 3, δ C13 represent the attenuation curve of carbon isotope, GR in figure
Gamma ray curve is represented, INPEFA represents the Cyclic Analysis result of gamma ray curve.Stone ladder-Mo Xidi high as shown in Figure 3
Area lacks the cycle of sedimentation of bottom 1-2, and this shows that the area deposition landforms are higher compared with the section of entrance of the city Shi Xi rivers.
By the research of above-mentioned steps (1) and (2), realize field standard and appear many key element STRATIGRAPHIC DIVISIONs, and and basin
Inside coring, complete and the complete specified drilling well of log data has carried out Strata Comparison, specify that drilling stratum splitting scheme in basin,
I.e. there are 5 cycles of sedimentation in the most complete area of whole district's deposition, and some areas have the 3-4 cycle of sedimentation, and cycle of sedimentation top is protected
Deposit complete, bottom is presented overlap of beds relation from crystallizing field to deposition landforms high-order bit.
(3) seismic data and well-log information in research area are obtained, well shake is carried out and is demarcated.
In the present embodiment, the purpose that well shake is demarcated is to obtain the Sichuan Basin and fringe area Cambrian system Temple of the Dragon King group
Stratum compass.
(4) well-log information in the research area is obtained, and under the constraint of step (3) calibration result, according to the survey
Well data, obtains the specified drilling well in the research area and strata division pair of remaining each drilling well on Temple of the Dragon King group stratum
Than.
Cycle of sedimentation contrast is carried out using log be mainly two kinds of means：Method 1 is to carry out the contrast of index bed；Side
Method 2 is that the analysis of the cycle of sedimentation is carried out using log.Nei Zuanyu Temple of the Dragon King group drilling well GR curves in basin are carried out by method 1
Analysis shows, in basin most of drilling well exist one it is high GR section, although form difference, but can contrast substantially, it is whole
Temple of the Dragon King group can be divided into two sections on body to be contrasted, but then there are multiple GR high sections, nothing in the Li1Jing of pelvic floor hernia
Method determines which GR sections high can be contrasted with the carrying out in other drilling wells, therefore identification high GR sections in method 1 is suitable only for portion
Region-by-region (as shown in Figure 4).On the basis of method 1, application method 2 carries out log sediment sequence analysis, the side of selection
Method is external spectral properties trend analysis technology (INPEFA) for occurring in 2005, mainly by log frequency spectrum point
Analysis, extracting principal component carries out maximum entropy analysis etc., realizes the division of the different stage cycle of sedimentation, bent by the INPEFA after conversion
Line shows that Li1Jing has 5 cycles of sedimentation, as deposited intact sequence, therefore can realize and the contrast between other drilling wells.
Therefore, the present embodiment is existed from the specified drilling well and remaining each drilling well in research area described in INPEFA curve acquisitions
Strata division contrast on Temple of the Dragon King group stratum, as a result as shown in Figure 5.
In the present embodiment, final stratum division result is that, as boundary, the whole district can be divided into upper and lower two sections with GR sections high,
Generally deposited intact sequence has 5 cycles of sedimentation, wherein 2 cycles of sedimentation of epimere, 3 cycles of sedimentation of hypomere.
(5) the Strata Comparison result on Temple of the Dragon King group stratum according to each drilling well in the research area and the field
Canonical profile is layered, and obtains the Temple of the Dragon King group Strata Comparison result in the research area.
In the present embodiment, by after above-mentioned steps (2), research specifies drilling well and field canonical profile stratified formations in area
Contrast is realized on Temple of the Dragon King group stratum, specified drilling well is realized in (4) again with remaining drilling well in research area in Temple of the Dragon King group
Contrast on stratum, therefore in (5), the result of comprehensive (2) and (4), and according to knowledge such as sedimentology, by region-wide interior dragon
Wang Miao groups stratum is contrasted.It is illustrated in figure 6 the present embodiment research area's formation comparing result schematic diagram.
A kind of Strata Comparison device is additionally provided in the embodiment of the present application, as described in the following examples.Due to the device
The principle of solve problem is similar to a kind of Strata Comparison method, therefore the implementation of the device may refer to a kind of Strata Comparison method
Implementation, repeat part repeat no more.
As shown in fig. 7, a kind of Strata Comparison device that the embodiment of the present application is provided can be with the following module of enclosed mass.
Standard layers determining module 701, the strata division appeared for obtaining image study area sedimentation, and according to
The strata division appeared determines the field canonical profile layering in the research area.
Acquisition module 702, the strata division of drilling well and the specified drilling well are specified for obtaining in the research area
The Strata Comparison result that strata division is layered with the field canonical profile.
First contrast module 703, for obtaining the well-log information in the research area, and according to the well-log information, obtains
Take the Strata Comparison result of the described specified drilling well and remaining each drilling well in the research area.
Second contrast module 704, for the Strata Comparison result according to each drilling well in the research area and the field
Canonical profile is layered, and obtains Strata Comparison result in the research area.
From the embodiment of above-mentioned the application device, the embodiment of the present application determine first research area in specify drilling well with
Comparing result between the field canonical profile layering appeared, further according to well-log information, has obtained studying each drilling well in area
Strata Comparison result, so as to finally realize the fine correlation of horizons of the whole district.The embodiment of the present application is studying the specified brill in area
Well is bridge, and Main Basiss log data realizes region-wide Strata Comparison, highly reliable, and can greatly save region ground
The cycle of layer comparative study and funds.
Although procedures described above flow includes the multiple operations occurred with particular order, it should however be appreciated that understand,
These processes can include more or less operation, and these operations can be performed sequentially or executed in parallel.People in the art
Member can be for every kind of specific application, it is possible to use various methods realize described function, but this realization is not understood that
It is the scope beyond the embodiment of the present application protection.
The step of method described in the embodiment of the present application, can be directly embedded into the software module of computing device.Software
Module can be stored in RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk,
In moveable magnetic disc, CD-ROM or this area in other any form of storage media.Exemplarily, storage medium can be with place
Reason device connection, to allow that processor reads information from storage medium, it is possible to deposit write information to storage medium.It is optional
Ground, storage medium can also be integrated into processor.Processor and storage medium can be arranged in ASIC, and ASIC can be set
In user terminal.Alternatively, processor and storage medium can also be arranged in the different part in user terminal.
Particular embodiments described above, purpose, technical scheme and beneficial effect to the application have been carried out further in detail
Describe in detail bright, should be understood that the specific embodiment that the foregoing is only the embodiment of the present application, be not used to limit this Shen
Protection domain please, all any modification, equivalent substitution and improvements within spirit herein and principle, done etc., all should wrap
It is contained within the protection domain of the application.
Claims (14)
1. a kind of method of Strata Comparison, it is characterised in that comprise the following steps：
The strata division appeared of image study area sedimentation is obtained, and is ground according to the strata division appeared determines
Study carefully the field canonical profile layering in area；
The strata division of specified drilling well and the strata division of the specified drilling well in the research area is obtained to be marked with the field
The Strata Comparison result of quasi- section layering；
The well-log information in the research area is obtained, and according to the well-log information, obtains described specified in the research area
Drilling well and the Strata Comparison result of remaining each drilling well；
Strata Comparison result and the field canonical profile layering according to each drilling well in the research area, obtains the research
Strata Comparison result in area.
2. the method for claim 1, it is characterised in that the strata division of the acquisition specified drilling well and the open country
The Strata Comparison result of outer canonical profile layering, specifically,
The stratum special characteristic of the specified drilling well and the stratum special characteristic appeared are obtained, and according to the specified drilling well
Stratum special characteristic and the stratum special characteristic appeared, the strata division and the field for obtaining the specified drilling well mark
The Strata Comparison result of quasi- section layering.
3. method as claimed in claim 2, it is characterised in that the stratum special characteristic of the specified drilling well passes through the specified brill
The Natural Gamma-ray Logging Curves of well, paleontologic analysis or Isotopic Data are obtained；The stratum special characteristic appeared passes through institute
Natural gamma point test result, paleontologic analysis or the Isotopic Data appeared is stated to obtain.
4. method as claimed in claim 3, it is characterised in that the well-log information in the acquisition research area, and according to
The well-log information, obtains the Strata Comparison result of the described specified drilling well and remaining each drilling well in the research area, specifically
Also include：
Obtain the well-log information in the research area, and the heavy of each drilling well in the research area is obtained according to the well-log information
Product Cyclic Analysis result；
Sediment sequence analysis result according to each drilling well, the described specified drilling well obtained in the research area is each with remaining
The Strata Comparison result of individual drilling well.
5. method as claimed in claim 4, it is characterised in that the well-log information is Natural Gamma-ray Logging Curves.
6. method as claimed in claim 5, it is characterised in that methods described also includes,
The seismic data in the research area is obtained, and well shake is carried out according to the well-log information and the seismic data and demarcated, obtained
Take the result that well shake is demarcated；
Corresponding, the sediment sequence analysis result of each drilling well described in the basis obtains described specified in the research area
Drilling well and the Strata Comparison result of remaining each drilling well, specially：
The result and the sediment sequence analysis result of each drilling well demarcated according to well shake, obtain in the research area
The specified drilling well and the Strata Comparison result of remaining each drilling well.
7. method as claimed in claim 6, it is characterised in that the result demarcated according to well shake and described each brill
The sediment sequence analysis result of well, obtains the Strata Comparison knot of the described specified drilling well and remaining each drilling well in the research area
Really, specially：
According to the result that well shake is demarcated, the range constraint of each series of strata in the research area is obtained；
According to the range constraint and the sediment sequence analysis result of each drilling well, the finger in the research area is obtained
Determine the Strata Comparison result of drilling well and remaining each drilling well.
8. a kind of device of Strata Comparison, it is characterised in that described device includes：
Standard layers determining module, the strata division appeared for obtaining image study area sedimentation, and according to the dew
The strata division of head determines the field canonical profile layering in the research area；
Acquisition module, the strata division for obtaining strata division and the specified drilling well that drilling well is specified in the research area
The Strata Comparison result being layered with the field canonical profile；
First contrast module, for obtaining the well-log information in the research area, and according to the well-log information, obtain described in grind
Study carefully the Strata Comparison result of the described specified drilling well and remaining each drilling well in area；
Second contrast module, for Strata Comparison result and the field canonical profile according to each drilling well in the research area
Layering, obtains Strata Comparison result in the research area.
9. device as claimed in claim 8, it is characterised in that the acquisition module is specifically for obtaining the specified drilling well
Stratum special characteristic and the stratum special characteristic appeared, and stratum special characteristic according to the specified drilling well and described
The stratum special characteristic appeared, obtains the Strata Comparison that the strata division of the specified drilling well is layered with the field canonical profile
As a result.
10. device as claimed in claim 9, it is characterised in that the stratum special characteristic of the specified drilling well is specified by this
The Natural Gamma-ray Logging Curves of drilling well, paleontologic analysis or Isotopic Data are obtained；The stratum special characteristic appeared passes through
Natural gamma point test result, paleontologic analysis or the Isotopic Data appeared is obtained.
11. devices as claimed in claim 10, it is characterised in that first contrast module is specifically included：
Sediment sequence analysis submodule, for obtaining the well-log information in the research area, and obtains according to the well-log information
The sediment sequence analysis result of each drilling well in the research area；
Strata Comparison submodule, for the sediment sequence analysis result according to each drilling well, obtains in the research area
The specified drilling well and the Strata Comparison result of remaining each drilling well.
12. devices as claimed in claim 11, it is characterised in that the well-log information is Natural Gamma-ray Logging Curves.
13. devices as claimed in claim 12, it is characterised in that described device also includes,
Well shakes demarcating module, the seismic data for obtaining the research area, and is provided according to the well-log information and the earthquake
Material carries out well shake and demarcates, and obtains the result that well shake is demarcated；
Accordingly, the Strata Comparison submodule is used for the deposition rotation of the result demarcated according to well shake and each drilling well
Analysis result is returned, the Strata Comparison result of the described specified drilling well and remaining each drilling well in the research area is obtained.
14. devices as claimed in claim 13, it is characterised in that the Strata Comparison submodule is specifically for according to the well
The result demarcated is shaken, the range constraint of each series of strata in the research area is obtained；According to the range constraint and described each brill
The sediment sequence analysis result of well, obtains the Strata Comparison knot of the described specified drilling well and remaining each drilling well in the research area
Really.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242605.7A CN106772679A (en) | 2016-12-29 | 2016-12-29 | A kind of method and device of Strata Comparison |
Applications Claiming Priority (1)
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