CN105986819A - Method and device used for automatic processing and comprehensive interpretation of logging information - Google Patents
Method and device used for automatic processing and comprehensive interpretation of logging information Download PDFInfo
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- CN105986819A CN105986819A CN201510092484.1A CN201510092484A CN105986819A CN 105986819 A CN105986819 A CN 105986819A CN 201510092484 A CN201510092484 A CN 201510092484A CN 105986819 A CN105986819 A CN 105986819A
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Abstract
The invention discloses a method and device used for automatic processing and comprehensive interpretation of logging information. The method comprises the steps that a target shaft and a non-target shaft adjacent to the target shaft which are used for executing a geological task in a working area are determined, and area data which are obtained in the working area and related to the geological task are set; a logging curve containing data required for executing the geological task in the target well is matched with a logging curve, of the same type, of the non-target shaft adjacent to the target shaft, and geologic horizons of the target shaft and logging processing interpretation models of the geologic horizons of the target shaft are determined through combination of the area data; and the models are optimized based on the area data, and the area data are automatically processed based on the optimized models, so that the geological task is executed. According to the method and device, automatic processing and comprehensive interpretation of the logging information can be achieved according to different geological tasks and logging information registering conditions, the processing efficiency is high, the logging interpretation results are objective and accurate, and the accuracy of logging interpretation and logging interpretation efficiency are effectively improved.
Description
Technical field
The present invention relates to Well Data Processing and Comprehensive interpretation, specifically, relate to a kind of based on region survey
The well-log information of well data automatically processes the method and apparatus with integrated interpretation.
Background technology
Well Data Processing and integrated interpretation, be according to predetermined geological tasks, enter well-log information with computer
Row processes, and comprehensive geology, well logging and development data carry out comprehensive analysis interpretation, with solve STRATIGRAPHIC DIVISION,
Layer parameter calculates, other geology in reservoir of oil and gas and useful mineral reserve evaluation and exploration and development is asked with engineering
Topic, and by interpretation results to scheme or the formal intuition of tables of data shows visually.It is last during well logging is learned
, be also the most important ingredient directly embodying technical economic benefit.
The typically all various different physical parameters of well-log information record, such as resistivity, natural potential, nature
Gamma, SVEL, rock volume density etc., be referred to as well logging information.And Well Data Processing solves with comprehensive
The achievement released, as lithology (rock mineral composition), shale content, water saturation, hydrocarbon saturation,
Porosity, permeability etc., can be collectively referred to as geological information.Determine the relation between well logging information and geological information,
It is the core of Well Data Processing and integrated interpretation, generally by setting up what suitable interpretation model completed.
Traditional method is to set up model by modes such as experiment, experience, mathematical physics statistics, needs artificial treatment and does
In advance；Meanwhile, in data processing procedure, manually, data different according to stratum residing for data is needed to obtain kind
Different choice appropriate model and parameter, then carry out process and the integrated interpretation of data.Use this kind of well-log information
Process the method with integrated interpretation, complex steps, and different explanation personnel different to the understanding in area, cause solution
It is interpreted into fruit bigger by interference from human factor；Meanwhile, when region data is carried out batch processing, the longest, shadow
Ring to process and explain efficiency.Therefore, how to use the present computer technology, realize well-log information fast and accurately
Process and integrated interpretation, be well log interpretation and a technical barrier that peopleware faces.
Summary of the invention
For solving problem above, the invention provides a kind of well-log information based on region well-log information and automatically process
Method and apparatus with integrated interpretation.
The side with integrated interpretation is automatically processed for well-log information according to an aspect of the invention, it is provided a kind of
Method, including:
Determine target well and the neighbouring non-targeted well of described target well of execution geological tasks in working area, and right
The region data relevant to this geological tasks obtained in described working area is configured；
By in described target well with perform described geological tasks required information the adjacent non-mesh of log
In mark well, same type of log mates, and combines described region data to determine described target well
Geologic horizon and the logging data processing interpretation model of each geologic horizon of target well；
Optimize described model based on described region data, and automatically process described region data based on the model optimized
Realize described geological tasks.
According to one embodiment of present invention, described region data includes:
The geology of described working area and seismic data；
The well-log information obtained from described non-targeted well and well log interpretation achievement；
The well-log information obtained from described target well and log data.
According to one embodiment of present invention, it is configured farther including to described region data:
Data when arranging the storage position of described region data and complete corresponding geological tasks uses type, its
In, described data is set and uses type to include same geological tasks, the optional one used in target well
Or polytype well-log information completes.
According to one embodiment of present invention, geologic horizon and the well logging of each geologic horizon of described target well are determined
The step processing interpretation model farther includes:
Determine in described target well and complete the log needed for geological tasks；
The same type of log of middle lookup at the neighbouring non-targeted well of described target well；
Same type of log in described target well and described neighbouring non-targeted well is mated, based on
The dependency of described log, the described neighbouring well-log information of non-targeted well, described geology seismic data and institute
State log data to determine the geologic horizon of target well；
The well log interpretation achievement of geologic horizon based on described target well and described neighbouring non-targeted well determines target
The logging data processing interpretation model of well.
According to one embodiment of present invention, determine in described target well and complete the log needed for geological tasks
Step farther include:
Determine that described target well has the well-log information performing described geological tasks；
Appoint when the well-log information in described target well with a plurality of dissimilar log can perform same geology
During business, therefrom select the log of a certain type, when lacking the log of a certain type, may select it
His type can perform the log of same geological tasks.
According to one embodiment of present invention, at the middle lookup same type of neighbouring non-targeted well of described target well
The step of log farther include:
When the target well performing geological tasks has a neighbouring non-targeted well, by this target well and neighbouring
Log in non-targeted well mates；
When the target well performing geological tasks has multiple neighbouring non-targeted well, from multiple neighbouring non-targeted wells
In choose the log maximum with the log correlation coefficient in described target well and mate.
According to one embodiment of present invention, the step optimizing described logging data processing interpretation model farther includes:
Described logging data processing interpretation model and processing parameter are introduced described target well to obtain described target well
Process interpretation results；
Explanation parameter based on described process interpretation results, described logging data processing interpretation model and target well reconstruct is surveyed
Well curve；
Such as described reconstruct log and the matching degree putting into practice experiment curv and meeting setting, then select this processing parameter
And logging data processing interpretation model, as being unsatisfactory for the matching degree set, then continue the neighbouring comparing result of follow-up and select
Take logging data processing interpretation model and processing parameter, until reconstruct log meets setting with putting into practice experiment curv
Matching degree.
According to another aspect of the present invention, additionally provide one to automatically process and integrated interpretation for well-log information
Device, including:
Pretreatment module, its target well being used for determining the execution geological tasks in working area and described target well
Neighbouring non-targeted well, and the region data relevant to this geological tasks obtained in described working area is set
Put；
Logging data processing interpretation model determines module, its for by described target well with perform described geological tasks
Same type of log curve correlation analysis in log adjacent non-targeted well of required information, and combine
The logging data processing interpretation model of described region data geologic horizon and each geologic horizon to determine described target well；
Model optimization and processing module, it optimizes described model, and mould based on optimization based on described region data
Type and described region data automatically process and realize described geological tasks.
According to one embodiment of present invention, described device may be configured as single or multiple described target well and holds simultaneously
The same geological tasks of row.
According to one embodiment of present invention, described device may be configured as individual well or multiple described target well is held simultaneously
The multiple geological tasks of row.
Beneficial effects of the present invention:
The present invention can enroll situation according to different geological tasks and well-log information, it is achieved the automatic place of well-log information
Reason and integrated interpretation, have the advantages such as treatment effeciency is high, result of log interpretation is objective and accurate, effectively improve survey
The accuracy of well explanation and well log interpretation efficiency.
Other features and advantages of the present invention will illustrate in the following description, and, partly from description
In become apparent, or by implement the present invention and understand.The purpose of the present invention and other advantages can be passed through
Structure specifically noted in description, claims and accompanying drawing realizes and obtains.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing required in description of the prior art does and simply introduces:
Fig. 1 is method flow diagram according to an embodiment of the invention；And
Fig. 2 is structure drawing of device according to an embodiment of the invention.
Detailed description of the invention
Embodiments of the present invention are described in detail, whereby to the present invention such as below with reference to drawings and Examples
What application technology means solves technical problem, and the process that realizes reaching technique effect can fully understand and evidence
To implement.As long as it should be noted that do not constitute conflict, each embodiment in the present invention and respectively implementing
Each feature in example can be combined with each other, the technical scheme formed all protection scope of the present invention it
In.
It addition, can be at the meter of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
Calculation machine system performs, and, although show logical order in flow charts, but in some situation
Under, can be to be different from the step shown or described by order execution herein.
It is illustrated in figure 1 well-log information according to an embodiment of the invention to automatically process and integrated interpretation
Method flow diagram, is described in detail to method of the present invention below with reference to Fig. 1.
First, from the beginning of step S110, determine and working area performs the target well of geological tasks and target well
Neighbouring non-targeted well, and the region data obtained from working area is set.
Wherein, working area includes by target well and the geologic province of non-targeted well construction.Target well is logged well
Explain, well-log information and the log data of its correspondence can only be obtained.Non-targeted well has been carried out well log interpretation,
Accordingly, it is capable to obtain the well-log information of non-targeted well and corresponding well log interpretation achievement.Areal geology data include from
In non-targeted well obtain well-log information and the well log interpretation achievement of correspondence and from target well obtain well logging
Data and log data, region data also includes geology and the seismic data of the whole working area of acquisition.
In this step, first, determine and need to carry out the working area of geological tasks.Geological tasks includes complex formation
Lithologic analysis, argillaceous sandstone analysis, rock mechanics parameters calculating etc..
It is next determined that the target well of execution geological tasks in working area and the neighbouring non-targeted of this target well
Well.The target well performing same geological tasks in working area includes one or more, for each
Target well is both needed to perform this geological tasks.
After the target well of execution geological tasks determines, it follows that arrange the region data relevant with this geological tasks.
Its setting up procedure includes two aspects: one is: the storage position of setting area data, determines region data
Automatically transferring of storage position beneficially data；It two is: the data in the data of setting area uses type, money
Material uses type to refer to same geological tasks, optional one or more types used in target well
Well-log information completes, and certainly, every kind of well-log information therein has all included the data needed for this geological tasks.
When lacking a certain type well-log information, optional other kinds of comprise this geological tasks required information
Well-log information replace realizing this geological tasks.
It follows that in the step s 120, to the same type log in target well and neighbouring non-targeted well
It is analyzed the geologic horizon determining target well.
For completing the geological tasks of correspondence in target well, in target well to be ensured, comprise corresponding geological tasks institute
The data needed.When the well-log information in target well with a plurality of dissimilar log can perform same geology
During task, therefrom select the log of a certain type, when lacking the log of a certain type, optional
Other types can perform the log of same geological tasks.Now, can be right by whether lookup target well has
The geological tasks log that completes answered judges whether to complete this geological tasks, as not having related data, then
The data that prompting is lacked, and it is automatically stopped this geological tasks.
When performing a certain geological tasks, can be realized by the one or more target wells in working area.But no matter
It is one or multiple target well, is required for each target well is analyzed respectively.Below with a target well
Illustrate as a example by performing a certain geological tasks.
Owing to non-targeted well neighbouring around target well has one or more, so, this punishment situation to one or
Multiple neighbouring non-targeted wells are analyzed.
During the non-targeted well that only one of which is neighbouring around target well, select that target well can perform a certain geology and appoint
The log of a certain type of business, then searches same type of log in neighbouring non-targeted well.
When having multiple neighbouring non-targeted well around target well, after the log of target well determines, Duo Gefei
Target well is to there being a plurality of log.Now, can choose from multiple neighbouring non-targeted wells with in target well
The log of log correlation coefficient maximum mates.
After log determines, the log in target well and neighbouring non-targeted well is mated.Match party
Method can use multiple, such as Relative coefficient.When using Relative coefficient, correlation coefficient is the biggest,
Then show that the degree of correlation between curve is the highest.The relevant ginseng of needs need to be set when using Relative coefficient
Number.Relevant parameter includes window length, step-length and correlation coefficient threshold value.Wherein, a length of setting of window be used for log well
The length of window of the log of Curve Matching.This window length is according to the condition selecting of log.Step-length is right
When log in window length mates, log is along the transportable minimum range of depth direction.This step
Long value is arranged according to the form of log.Correlation coefficient threshold value can be obtained by substantial amounts of test data statistics
?.
After log in target well and neighbouring non-targeted well is matched, according to log similarity and
Log and the relation of geologic structure, i.e. can determine target well by root in conjunction with the well-log information adjacent to non-targeted well
Geologic horizon.Meanwhile, in conjunction with the geology seismic data of this working area and the log data of target well to target well
Geologic horizon be modified.
It follows that in step s 130, the logging data processing interpretation model of target well is determined.Due to non-targeted well
Being on same geological structure with target well, and have identical formation characteristics, the geologic horizon at target well determines
After, can be using the logging data processing interpretation model of neighbouring non-targeted well as the logging data processing interpretation model of target well.
It follows that in step S140, optimization processes logging data processing interpretation model.In this step, based on
What target borehole logging tool data obtained includes resistivity, natural potential, natural gamma, SVEL, rock volume
Density etc. explain the well logging information of parameter and areal geology and seismic data, mud logging technique etc., to logging data processing solution
The processing parameter released in model and model is optimized process.
During optimization, first, logging data processing interpretation model and processing parameter are introduced target well to obtain target well
Process interpretation results.It follows that process interpretation results based on target well, logging data processing interpretation model and target
The explanation parameter reconstruct log of well.As reconstructed log and putting into practice experiment curv and meet mating of setting
Degree, then select this processing parameter and logging data processing interpretation model, as be unsatisfactory for set matching degree, then continue with
Enter neighbouring comparing result to choose logging data processing interpretation model and processing parameter, until reconstruct log and reality
Trample experiment curv and meet the matching degree of setting.The method that optimization processes can use the processing method of routine, such as minimum
Square law etc..
Finally, in step S150, well-log information relevant to geological tasks in target well is introduced after optimizing
Logging data processing interpretation model, be automatically performed the geological tasks of target well and store corresponding target data.
It is illustrated in figure 2 and according to an embodiment of the invention automatically process for well-log information and comprehensively solve
The structure drawing of device released, is described in detail to this device below with reference to Fig. 2.
As in figure 2 it is shown, this device includes that pretreatment module, logging data processing interpretation model determine that module and model are excellent
Change and processing module.
Wherein, pretreatment module is for determining target well and the neighbour of target well of the execution geological tasks in working area
Nearly non-targeted well, and the region data relevant to this geological tasks obtained in working area is configured.
Logging data processing interpretation model determines that module is for providing with needed for performing described geological tasks in target well
Same type of log curve correlation analysis in log adjacent non-targeted well of material, and calmodulin binding domain CaM money
The logging data processing interpretation model of material geologic horizon and each geologic horizon to determine target well.
Model optimization and processing module optimize this model based on region data, and based on the model optimized and region money
Material automatically processes and realizes this geological tasks.
This device may be configured as single or multiple target well and performs same geological tasks simultaneously, it is also possible to be set to list
Well or multiple target well perform multiple geological tasks simultaneously, thus improve the efficiency that logging data processing is explained.In well logging
After process interpretation model determines, can be controlled by software so that this device is adjusted automatically based on the geological tasks set
Take required region data and realize the geological tasks of correspondence.Therefore, the present invention can realize oneself of well-log information
Dynamic process and integrated interpretation, have the advantages such as treatment effeciency is high, result of log interpretation is objective and accurate, effectively promote
The accuracy of well log interpretation and well log interpretation efficiency.
Although the embodiment that disclosed herein is as above, but described content only to facilitate understand the present invention and
The embodiment used, is not limited to the present invention.Technical staff in any art of the present invention,
Without departing under the spirit and scope premise that disclosed herein, can make any in the formal and details implemented
Amendment and change, but the scope of patent protection of the present invention, the model that still must be defined with appending claims
Enclose and be as the criterion.
Claims (10)
1. automatically process the method with integrated interpretation for well-log information, including:
Determine target well and the neighbouring non-targeted well of described target well of execution geological tasks in working area, and right
The region data relevant to this geological tasks obtained in described working area is configured；
By in described target well with perform described geological tasks required information the adjacent non-mesh of log
In mark well, same type of log mates, and combines described region data to determine described target well
Geologic horizon and the logging data processing interpretation model of each geologic horizon of target well；
Optimize described model based on described region data, and automatically process described region data based on the model optimized
Realize described geological tasks.
2. the method for claim 1, it is characterised in that described region data includes:
The geology of described working area and seismic data；
The well-log information obtained from described non-targeted well and well log interpretation achievement；
The well-log information obtained from described target well and log data.
3. method as claimed in claim 2, it is characterised in that described region data is configured into
Step includes:
Data when arranging the storage position of described region data and complete corresponding geological tasks uses type, its
In, described data is set and uses type to include same geological tasks, the optional one used in target well
Or polytype well-log information completes.
4. the method as according to any one of claim 1-3, it is characterised in that determine the ground of described target well
The step of the logging data processing interpretation model of matter layer position and each geologic horizon farther includes:
Determine in described target well and complete the log needed for geological tasks；
The same type of log of middle lookup at the neighbouring non-targeted well of described target well；
Same type of log in described target well and described neighbouring non-targeted well is mated, based on
The dependency of described log, the described neighbouring well-log information of non-targeted well, described geology seismic data and institute
State log data to determine the geologic horizon of target well；
The well log interpretation achievement of geologic horizon based on described target well and described neighbouring non-targeted well determines target
The logging data processing interpretation model of well.
5. method as claimed in claim 4, it is characterised in that determine that completing geology in described target well appoints
The step of the log needed for business farther includes:
Determine that described target well has the well-log information performing described geological tasks；
Appoint when the well-log information in described target well with a plurality of dissimilar log can perform same geology
During business, therefrom select the log of a certain type, when lacking the log of a certain type, may select it
His type can perform the log of same geological tasks.
6. method as claimed in claim 5, it is characterised in that at the neighbouring non-targeted well of described target well
The step of the same type of log of middle lookup farther include:
When the target well performing geological tasks has a neighbouring non-targeted well, by this target well and neighbouring
Log in non-targeted well mates；
When the target well performing geological tasks has multiple neighbouring non-targeted well, from multiple neighbouring non-targeted wells
In choose the log maximum with the log correlation coefficient in described target well and mate.
7. method as claimed in claim 6, it is characterised in that optimize described logging data processing interpretation model
Step farther includes:
Described logging data processing interpretation model and processing parameter are introduced described target well to obtain described target well
Process interpretation results；
Explanation parameter based on described process interpretation results, described logging data processing interpretation model and target well reconstruct is surveyed
Well curve；
Such as described reconstruct log and the matching degree putting into practice experiment curv and meeting setting, then select this processing parameter
And logging data processing interpretation model, as being unsatisfactory for the matching degree set, then continue the neighbouring comparing result of follow-up and select
Take logging data processing interpretation model and processing parameter, until reconstruct log meets setting with putting into practice experiment curv
Matching degree.
8. automatically process the device with integrated interpretation for well-log information, including:
Pretreatment module, its target well being used for determining the execution geological tasks in working area and described target well
Neighbouring non-targeted well, and the region data relevant to this geological tasks obtained in described working area is set
Put；
Logging data processing interpretation model determines module, its for by described target well with perform described geological tasks
Same type of log curve correlation analysis in log adjacent non-targeted well of required information, and combine
The logging data processing interpretation model of described region data geologic horizon and each geologic horizon to determine described target well；
Model optimization and processing module, it optimizes described model, and mould based on optimization based on described region data
Type and described region data automatically process and realize described geological tasks.
9. device as claimed in claim 8, it is characterised in that described device may be configured as single or multiple
Described target well performs same geological tasks simultaneously.
10. device as claimed in claim 9, it is characterised in that described device may be configured as individual well or multiple
Described target well performs multiple geological tasks simultaneously.
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| CN112987122A (en) * | 2019-12-13 | 2021-06-18 | 北京国双科技有限公司 | Method and device for calculating mud content, electronic equipment and storage medium |
| CN114495431A (en) * | 2022-01-14 | 2022-05-13 | 深圳市地质局 | Physical detection system for detecting geological structure |
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| Publication number | Publication date |
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| CN105986819B (en) | 2019-01-04 |
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