Method of prospecting, exploration and assessment of the operational properties of deposits and deposits of minerals and forecast tectonic and geological properties of the geological environments

 

(57) Abstract:

Usage: in the traditional schemes of geological exploration to search for and study of deposits and deposits of ore and nonmetallic mineral deposits of hydrocarbons, as well as when searching for underground water reserves, predominantly for areas with known structure of the crust. When implementing the method of conducting drilling, geophysical and geotechnical exploration and field geological, geophysical, geochemical and aerospace work, capable of forming at least a skeleton of geophysical and parametric cuts, cubes, slezov wells-standards-based processing and interpretation of geophysical, geochemical, geotechnical and drilling mining information about wells. Effect: increased efficiency. 23 C.p. f-crystals.

The invention relates to the field of geophysical exploration methods, in particular vibroseismic, and can be used in conventional schemes geological exploration to search for and study of deposits and deposits of ore and nonmetallic mineral deposits Ugledar the market.

The known method of prospecting, exploration and mineral exploration (RU patent 2129719, G 01 V 1/00, 1999), according to which over the investigated area of the environment have at least one seismic transducer and the at least one set of seismic receivers generate seismic vibrations, register the energy of seismic vibrations passed through the monitored environment and received by seismic receivers, and by mathematical processing of the received measurement judge available in the test environment inhomogeneities.

The disadvantages of this method include its low accuracy associated with the difference in the energy loss depending on the density of the medium. Almost for the implementation of the method requires a priori knowledge of the structure of the environment in the search space that is usually only the drilling of a well. Not by chance in the specified document is not given an example of a specific application of the method.

The technical problem solved by the present invention consists in designing the search and exploration of mineral resources that, without conducting additional field work to improve the forecast accuracy of prospecting, exploration and engineering is Tate implementation of the invention, is to increase the efficiency of the mining industry in connection with the exception of development hopeless at the moment fields.

To achieve the technical result of the proposed use of the method of search, exploration and evaluation of operational properties of deposits and deposits of minerals and forecast tectonic and litofizicheskie properties of geological environments. When implementing a method performed drilling works geotechnical and geophysical exploration, field geological, geophysical, geochemical and aerospace work. These works provide the formation of at least a skeleton of geophysical and parametric cuts, cubes, intervals (slazav) wells-standards-based processing and interpretation of geophysical and geotechnical, including drilling and production information about the wells, using deterministic (analytical and petrophysical) and raspoznavaniya statistical dependencies and techniques (factor, cluster, regression, component, and other analyses), including correlation of wells-standards, and the formation of the correlation skvazhina-logging or skvazhina-parametric, the local sections, slazav or cubes for the whole or the main set of wells, and the formation of a seismic section, interval surface of the slice, cliza and Cuba and the transformant in the time or in-depth view, and the formation (or in the absence of wells) tracks-presented to potential or tracks-presents the quasipotential incisions, superficial cuts, slezov, cubes and build trails-presents the results of the previous methods or complex interpretation of parametric or quality cuts, slices, slezov cubes or physical properties. For any fields, including downhole, pseudosciaena and quasipotential, and their views calculates the ratio of the spectral power of low-frequency part of the spectrum to the full spectral power for the studied layers, layers or horizons. With this in mind, over logging, geophysical, parametric and technological potential and quasi-potential seismic incisions, superficial cuts, Kazami or cubes carry out standard (e.g., filtering, deconvolution, normalization, gradients, and so on) analytical, petrophysical and statistical transformation obtained with the mA increments logging or seismic field, including along the boreholes and in the fields above types. By means of the Hilbert transform for the fields above types build incisions, superficial cuts, slazy or Cuba instantaneous frequency, and/or the instantaneous amplitude, and/or the instantaneous phases or their pseudohalogen for fields aseismically nature with obtaining property set representing a set (sequence) of values, including, including incisions, superficial cuts, slazy or cubes which were obtained previously.

Along boreholes perform the split sections of wells on lithologic-technological classes-types, consistently using an iterative deterministic and statistical methods estimates the similarities and differences without training and with training, fix and determine the number of classes. Calculate the reservoir and the physical properties between wells hold multiparameter correlation, extrapolation and interpolation properties in section, the section, interval (clause), a cube with a given number of classes, forming the frames of the wells of the standards and of the geological-geophysical sections, slices, slezov, cubes. Classify all spatial and interwell Koloskov, slazav or cubes with a pre-defined number of classes, lines or surfaces tectonic and lithologic-stratigraphic disturbances and substitutions, the list of the most informative source properties-features, ranked according to the degree of informativeness. According to the results of previously constructed logging and geological-geophysical frame of interest and conducted the classification exercise selection decisions are final and binding of the resulting cut surface of the slice, slisa or cube to geological, geophysical, parametric and technological benchmarks, including stratigraphic or lithologic columns with getting the extrapolation of the reference points or stratigraphic-lithologic columns for the entire cut surface of the slice, slays or cubic Compare the results obtained with the previously known mineral deposits or their parts or with known geological sections and areas. Judged by comparing the results on the Geology, tectonics, stratigraphy and lithology, cryogenic, karst and suffusion sites, the presence and geometry of the Deposit of solid, liquid or gaseous mineral and its physical and geological and operational properties, including hindazeh development, predictable performance or production, particularly in areas of primary, secondary and tertiary impacts on the reservoir in the case of oil, gas and condensate or areas of search and exploration of indigenous and placer deposits of solid minerals and search aquifers. Usually when there is a temporary seismic data by place search recount seismic data from the temporary in-depth view with a preliminary calculation of the above standard transformant, including the Hilbert transform, PAK and peak (walevet) transformations, derivatives, gradients, including normalized full gradient, filtering, deconvolution, and so on, and the obtained information is used in mathematical processing and classification of the received objects. Mostly, when classifying using the search method of cohesive elements in the space of properties and methods of cluster analysis. As skvazhina-parametric can use pseudochina GIS presents or tracks-represented sections. Usually by the Hilbert transformation on the basis of advanced interval velocity analysis in wells and seismic data selected and the maximum values of these quantities in wells build PAK, high-speed, interval, average and effective or peak (wavelet) incisions, superficial cuts, slazy or Cuba for these values for longitudinal and transverse waves. In this case, the set of specified physical quantities typically use the density, Poisson's ratio, compressibility and acoustic stiffness for longitudinal, transverse waves, converted waves and waves of other types. In addition, as mentioned physical quantities can be used interval, average and effective seismic velocity of Rayleigh waves, lamb, love, Gulyaeva, slow waves type BIO, porous-fluid (internal surface) and other types of waves, amplitude-frequency and phase characteristics of seismic wave fields of longitudinal and transverse waves and their combinations and transformations, as well as the speed, performance and transformants of different types of waves. As well as these physical quantities can be used density, compressibility, bulk or the weight content of minerals or elements, porosity and permeability. As well as these physical quantities can be used for data on the anomalous values of the gravitational and magnetic fields and data on quasipotential is. Prior to classification after building PAK-incisions, superficial cuts, slezov cubes and analyze the main components and key factors incisions, superficial cuts, slezov and cubes. Usually the properties of each geometric or temporal points of the original cut surface of the slice, slisa or cube using averaged at depth or time interval, which includes the considered point, and dynamic and interval settings. If the popularity of GIS data and the GTI after classification we can compare the received data with GIS data and the GTI to conclusions about the accuracy and reliability of forecasts. Usually as standards for vertical and horizontal correlation and interpretation using selective fragments wells, pseudosquare and geophysical profiles. Preferably use non-reference classification. In the presence of one well it is used the same way as described previously. In the presence of one well or its spatial information fragments can be used to create Pseudocalanus in different parts of the examined slice, cut, slisa or cube. In the absence of wells-standards used in the framework of a comprehensive and local geophysical (e.g., seismic and geotechnical fields. Where there is only one source fields used in the same way as described previously. Usually in the classification carried out varying the number of classes. Mainly advanced restore features of GIS and the GTI in wells on GIS data on other wells using numerical methods using complex GIS data, GTI and field methods. Usually above pseudococaine perform analytical steps, similar to the actions performed on real wells. Most often used as a source of data standard transformant averaged (interval) for the assessment of technology, integrated geophysical, local geophysical, such as wave, seismic fields are the same for all points of the section intervals or regions of planar slices or slazav or cubes. In the set of specified physical quantities can also be used density, Poisson's ratio, compressibility matrix, fluids, pores, surface cracks along and across the crack, the acoustic stiffness of the amplitude-frequency and phase characteristics; combinations thereof, and the transformants for the longitudinal and transverse seismic waves, exchange ox is the factors Poisson, simamora and pseudoacoustic analyze the main components of slices, slezov, sections or cubes, and the main factors slices, slezov, sections or cubes. In case of availability of data on potential and quasi-potential fields use their analytic continuation up and down and transformants (difference, amount, density, magnetic permeability, normalized full gradient, the density of lineaments, lines, and surfaces of the singular points, the density of the heat flow and others) in the form of tracks-representations in cut, cut, clause or Cuba as an informative set of source data. In the presence of electrical information on the location of the search is carried out by its binding to the deep representation of the potential and seismic data through extrapolation or interpolation.

In a preferred embodiment, the invention is implemented as follows. Form a seismic section, surface cut, slais (interval) or the cube, and also routes is presented to potential or tracks-presents the quasipotential incisions, superficial cuts, sliz, Cuba or correlation skvazhina-logging or skvazhina-parametric, including pseudochina tracks-represented or existing interpretation of parametric or quality cuts, superficial cuts, slezov, cubes of physical properties. Calculate the ratio of the spectral power of low-frequency part of the spectrum to the full spectral power for the studied horizons on the seismic section, surface cut, Slauson or cube or on seismic sections, superficial cuts, Kazami or cubes above types carry out the transformation with the characterization of the properties of each point in the original space-time seismic field or fields of the above types. By the Hilbert transform build incisions, superficial cuts, slazy or Cuba instantaneous frequency, instantaneous amplitude and instantaneous phase to obtain a set of properties representing a set of values, incisions, superficial cuts, slazy or cubes which were obtained previously. Classify objects on the basis of prior property is obtained by incisions, superficial cuts, slezov or cubes with a pre-defined number of classes, the list of the most informative properties, ranked by the degree of informativeness. According to the results of the classification exercise the binding of the resulting cut surface of the slice, slisa or to the columns on the entire section, surface shear, slays or cubic Compare the results obtained with the previously known mineral deposits, is judged by comparing the results on the availability of deposits and their geological and operational properties. Mostly, when classifying using the search method of cohesive elements in the space of properties or methods of cluster analysis. Preferably, after performing the Hilbert transform on the basis of models of different physical quantities in wells or a priori assumptions about the minimum and maximum values of these quantities in wells build PAK and peak (wavelet) incisions, superficial slices or cubes for these quantities. At the same time as these physical quantities used acoustic stiffness for longitudinal transverse waves, converted waves and waves of other types. In addition, as mentioned physical quantities using seismic velocity, amplitude-frequency and phase characteristics of seismic wave fields of longitudinal and transverse waves and their combinations and transformations, as well as the speed, performance and transformants exchange, slow, fluid, internal, surface, and other types of waves. Also in kamah or elements, porosity, permeability and other accountable and operational parameters. As well as these physical quantities are using these anomalous values of gravitational and magnetic fields and data on the quasipotential fields together with their transformants and combinations in the form of spatio-temporal tracks-views. Thus, before classification after building PAK incisions, superficial cuts, slezov or cubes analyze the main components and key factors incisions, superficial cuts, slezov and cubes. Preferably, as the properties of each geometric or temporal points of the original cut surface of the slice, slisa or cube using averaged at depth or time interval, which includes the considered point, and dynamic and interval settings. If the popularity of GIS data and the GTI after classification compare dinie with GIS data and the GTI.

When implementing the method traditional methods of seismic CDP, DIR, PRO ERA and others) receive seismic section, a superficial cut or cubic Calculate the ratio of the spectral power of low-frequency part of the spectrum to the full spectral power dnia characteristics - properties of each point in the original space-time seismic field exercise at least partially standard operations transformation: bandpass filter 4-frequency zero-phase trapezoidal filters in different frequency ranges, coherent filtering, homomorphic filtering, homomorphic deconvolution, the zero-phase deconvolution, removing the linear trends of the amplitudes and their averages. Then by the Hilbert transform on the original cut surface of the slice or cube and the resulting transformations build incisions, superficial slices or cubes instantaneous frequency, instantaneous amplitude and instantaneous phase. Get the geometric characteristics of each pixel in the original cut, slice or cube the set of properties that represent a collection of values, sections which were obtained previously. These properties of points will be considered as coordinates of points in a multidimensional space properties. On the basis of previously obtained properties (coordinates) carried out a classification of the objects preferably using methods of cluster analysis and search for related items in the property space. Following the classification, the floor is the most informative classes, ranked according to the degree of informativeness, as well as evaluating the quality of classification. According to the results of the classification exercise the binding of the resulting cut surface of the slice or cube to the geological, geotechnical or geophysical frames or lithological columns in wells with getting extrapolation of geological, geotechnical or geophysical frames or lithological types for the entire cut surface of the slice, or cubic Compare the characteristics of the zone, which was filmed seismic cut surface of the slice or cube with characteristics of known mineral deposits or wells with similar geological structure and taking into account the above, make a judgment about the presence or absence in the area of the withdrawal section, the surface of the slice or cube mineral deposits and its operational characteristics: porosity, permeability, reserves, production rates, and so on, in further defining the possibilities of exploitation of the Deposit.

Along with the implementation of the Hilbert transform on the original cut surface of the slice or cube it is possible to build on the basis of models of different physical quantities in ski cubes PACK for these quantities. As these values are preferably used acoustic stiffness for longitudinal, transverse waves, converted waves and waves of other types and other values. In particular, the use of seismic velocity and characteristics of seismic wave fields of longitudinal and transverse waves and their combinations and transformations, for example, in the form of their relationship or young's modulus, and the speed, amplitude-frequency and phase response and transformants other waves: the exchange, slow, fluid, internal, surface, and other types of waves. If you have the appropriate data shall build PAK-views or peak (wavelet) ideas about rock density, volumetric or weight content of mineral or element, as well as porosity, permeability, and other reporting and operational parameters.

In the case of anomalous data potential values of the gravitational and magnetic fields and data about the quasipotential fields: values of compressibility and reflection coefficients of longitudinal and transverse waves, and other waves, electromagnetic and radioactive characteristics, electrical resistance, impedance, elastic constants, spectral, wodnych on different directions of the gradients, dispersions, functionals of the standard ways of continuing the gravitational and magnetic fields downwards and/or upwards, calculating the transformant of these fields, in particular their linear combinations, with the aim of identifying and accounting effects from tel forming anomalies and density boundaries in the sedimentary cover, the base and mantle with binding results in the form of in-depth representation of the initial cut surface of the slice or cube. Along with the above means forming a multidimensional space properties you can calculate the standard means for each geometric point of the original cut surface of the slice, or cube, considered as slis-interval component corresponding base (window) averaging (for example, horizon, interval, ore bodies, dikes or sub-vertical body seam), dynamic interval and other settings: maximum, medium, and spectral energies, extrema, periods, frequencies, dispersion, correlation and autocorrelation characteristics, parameters, etc. Along with tracks-presents seismic, potential and quasi-potential cuts, superficial cuts, Kazami and cubes as the source object mo is well runs-presents or GIS presents sections, superficial cuts, slazy or Cuba, and slopes-the results of previous interpretations - parametric or qualitative incisions, superficial cuts, slezov or cubes. Before the classification of objects previously defined properties may be subjected to additional principal component analysis and analysis of key factors, in particular, by the method of minimum load. This allows you to choose the combination of principal component or the main factors that explain a significant portion of the variance. The result from the entire set of properties will be selected only those properties which are linear combination of the original properties and linearly independent from each other. Analysis of the resulting classification of the cut surface of the slice, slisa or cube can be carried out using the obtained at the stage of formation of the seismic section, the surface of the slice, slisa or data cube GIW (GIS) and geo-technological research wells (GTI). In this case, the use of GIS data and the GTI can be made binding obtained, and hence the initial incision to GIS data and the GTI, as well as extrapolation of geological, Geophysics is quainoo space. Can be used regression analysis based GIS data and the GTI cuts, slices and cubes, i.e. numerical physical-geological and technological parameters describing the properties of objects, or produced by interpolation of GIS data and the GTI in the property space with the construction of the incisions, superficial cuts, slezov or cubes forecasts GIS data and the GTI and estimates of their uncertainties.

The proposed method was applied to search for the aquifers of Central Asia on previously received a standard way to complex seismic data.

Over the received seismic section were implemented standard transformation - transformation: the calculation of power spectra, filtering, deconvolution, removing the linear trends of the amplitudes and their average values, peak (wavelet) transform, Hilbert transform, PAK-transform, which gives the opportunity to form a multiparameter space physical characteristics at each point in space with an accuracy of up to seismic readings both vertically and horizontally.

Already some transformants were visible physical and geological features of the studied sedimentary tx2">

Obtained at the previous stage of the seismic wave field was transformed into a field of pseudocerastes standard way psevdoakusticheskuyu conversion (see Russian Federation patent 2145100). The obtained transformed the incision was clearly marked medium calcareous layer, designed for wiping. The reservoir is clearly sealed low-seasoned along strike and powerful enough layers for high-speed evaluation - clays, which are used as the underlying and overlying layers. Small depth, the characteristic velocity of seismic waves in the limestone layer in the tire and the underlying layer is made very probable presence of aquifer collector.

The next step in interpretation was the selection and ranking of the obtained transformant and application of the most informative transformant: power spectra, the instantaneous characteristics of the amplitudes, phases, frequencies, and other standard transformant for quantitative calculations of physical properties. Sections of pseudocerastes and instantaneous amplitudes turned out to be the most informative for solving the problem of estimating the density of the formation using the maximum value of coefficient of multiple correspondent of the surrounding rocks, using as standards the known values of water content in the test wells and core. Thus was solved the problem of search and identification of the aquifer by the method described above. The presence of the aquifer was confirmed by the drilling of four wells.

The invention increases the efficiency of the mining industry with the exception of development hopeless at the moment fields.

1. The way of finding deposits and mineral deposits, characterized in that conduct drilling, geophysical, geotechnical studies as well as field of geological, geophysical, geochemical and aerospace work, capable of forming at least a skeleton of geophysical and parametric cuts, cubes, slezov wells-standards-based processing and interpretation of geophysical, geochemical, geotechnical and drilling mining information about wells using deterministic and raspoznavaniya statistical dependencies and techniques, including correlation of wells-standards, form the correlation skvazhina-logging and skvazhina-parametric, including pseudo Prov., Cuba, at least for the main set of wells form a seismic section, the interval of the surface of the slice, cliza and Cuba and the transformant in the temporary and in-depth view, form tracks-presented to prospective and cross-presented quasipotential incisions, superficial cuts, sliz and Cuba, form tracks-presents the results of the previous methods and interpretation of parametric and quality cuts, slices, slezov cubes and physical properties, and for any fields, including borehole, pseudochina and quasipotential and their views calculates the ratio of the spectral power of low-frequency part of the spectrum to the full spectral power for the studied layers, layers and horizons, with this in mind, over logging, geophysical, geochemical, parametric and technological potential and quasi-potential seismic incisions, superficial cuts, Kazami cubes and perform standard analysis, petrophysical and statistical transformation characterization-properties at each point of the selected source investigated the spatial-temporal volume increments carecredit.com the Hilbert transform for the fields above types of building sections, superficial cuts, sliz and Cuba instantaneous frequency, instantaneous amplitude, instantaneous phase and their pseudohalogen for fields aseismically nature with obtaining the set of properties that represent sets of values, including, including, incisions, superficial cuts, sliz and Cuba which were previously obtained, along boreholes perform the split sections of wells on lithologic-technological classes-types, consistently using an iterative deterministic and statistical methods estimates the similarities and differences without training and with training, fix and determine the number of classes, calculate reservoir and physical properties, between wells hold multiparameter correlation, extrapolation and interpolation properties in the cut, slice, clause and a cube with a given number of classes, forming the frames of the wells of the standards and of the geological-geophysical, geological and geochemical cuts, slices, slezov, cubes, classify all spatial inter-well and borehole objects on the basis of prior property is obtained by incisions, superficial cuts, slezov and cubes with a pre-defined number of classes, lines and surfaces tectonic s, ranked according to the degree of informativeness, according to the results of previously constructed logging and geological-geophysical frame of interest and conducted the classification exercise selection decisions are final and binding of the resulting cut surface of the slice, cliza and Cuba to the geological-geophysical, geological, geochemical, parametric and technological benchmarks, including stratigraphic and lithological columns with getting the extrapolation of the reference points and stratigraphic-lithologic columns for the entire cut surface of the slice, slays and cube, compare results, at least with parts of a known mineral deposits, and with the known geological sections and areas judged by comparing the results on the Geology, tectonics, stratigraphy and lithology, cryogenic, karst and suffusion sites, the presence and geometry of the Deposit of solid, liquid or gaseous mineral and its physical and geological and operational properties, including tectonic dislocations, fracture zones, the gradients of properties on the size and category of stocks, recommendations for the design, predicted performance or production in nsuta, as well as in areas of search and exploration of indigenous and placer deposits of solid minerals and search aquifers.

2. The method according to p. 1, characterized in that when there is a temporary seismic data by place search recount seismic data from the temporary in-depth view with a preliminary calculation of the above standard transformant, including the Hilbert transform, PAK and peak conversion, derivatives, gradients, including normalized full gradient, filtering, deconvolution, and the resulting information used for mathematical processing and classification of the received objects.

3. The method according to p. 1, wherein the classification using the search method of cohesive elements in the space of properties and methods of cluster analysis.

4. The method according to p. 1, characterized in that as skvazhina-parametric sections use pseudochina GIS presents and tracks-represented sections.

5. The method according to p. 1, characterized in that the Hilbert transformation on the basis of advanced interval velocity analysis in wells and seismic data, as well as the maximum values of these quantities in wells build PAK, high-speed, interval, average, effective and peak incisions, superficial cuts, sliz and Cuba for these values for longitudinal and transverse waves.

6. The method according to p. 5, characterized in that the set of specified physical quantities using the density, Poisson's ratio, compressibility, acoustic stiffness for longitudinal and transverse waves, converted waves and waves of other types.

7. The method according to p. 5, characterized in that, as specified physical quantities used interval, average and effective seismic velocity of Rayleigh waves, lamb, love, Gulyaeva, slow waves type BIO, porous-fluid (internal surface) and other types of waves, amplitude-frequency and phase characteristics of seismic wave fields of longitudinal and transverse waves, their combinations and transformations, as well as the speed, performance and transformants of different types of waves.

8. The method according to p. 5, characterized in that, as specified physical quantities using the density, resistivity, bulk and the weight content of minerals and elements, porosity and permeability.

9. The method according to p. 5, characterized in that, as specified physical Velich what's fields along with their transformants and combinations in the form of spatio-temporal tracks-views.

10. The method according to p. 1, characterized in that, before classification after building PAK, interval velocity, Poisson, timemaster incisions, superficial cuts, slezov cubes and analyze the main components and key factors incisions, superficial cuts, slezov and cubes.

11. The method according to p. 1, characterized in that as the properties of each geometric or temporal points of the original cut surface of the slice, slisa or cube using averaged by depth and time interval, which includes the considered point, and dynamic and interval settings.

12. The method according to p. 1, characterized in that in the case of the popularity of GIS data and the GTI after classification compare the obtained data with GIS data and the GTI to conclusions about the accuracy and reliability of forecasts.

13. The method according to p. 1, characterized in that as standards for vertical and horizontal correlation and interpretation using selective fragments wells, pseudosquare and geophysical profiles.

14. The method according to p. 1, characterized in that the use of non-reference classification.

15. The method according to any of paragraphs.1-14, characterized in that when the presence information is polyroot and interpolate vertically and horizontally with geophysical and geotechnical fields, and their transformants, used for classification and the calculation of the parameters, and information about the well or its spatial information fragments used to create Pseudocalanus in different parts of the examined slice, cut, cliza and Cuba.

16. The method according to p. 1, characterized in that, in the absence of wells-standards are used as Pseudocalanus for the classification of selective spatial information fragments integrated geophysical, local geophysical and geotechnical fields.

17. The method according to p. 1, characterized in that the classification carried out varying the number of classes.

18. The method according to PP.1-6, characterized in that when any one of the original geophysical, geochemical and geotechnical fields over him perform the entire sequence of procedures, transformation, processing, interpretation and calculation of parameters that are linked wells, if they exist, produce reference and non-reference classification and judge the geotechnical properties of the deposits and fields.

19. The method according to p. 1, characterized in that it further restore the characteristics of the GIS and the GTI in the well And, and field methods.

20. The method according to p. 1, characterized in that the above information characterizing pseudochina, perform analytical steps, similar to the actions performed on the information about the real wells.

21. The method according to p. 1, characterized in that used as the source of data standard transformant averaged assessment process, integrated geophysical, local geophysical, such as seismic wave fields are the same for all points of the section intervals and regions of planar slices, and slezov and cubes.

22. The method according to p. 5, characterized in that the set of specified physical quantities using the density, Poisson's ratio, compressibility matrix, fluids, pores, surface cracks along and across the crack, the acoustic stiffness of the amplitude-frequency and phase characteristics, combinations thereof, and the transformants for the longitudinal and transverse seismic waves, converted waves and waves of other types.

23. The method according to p. 1, characterized in that in case of availability of data on potential and quasi-potential fields use their analytic continuation up and down and transformed in the form of tracks-views resuscita fact, when the electrical information on the location of the search is carried out by its binding to the deep representation of the potential and seismic data through extrapolation and interpolation.

 

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FIELD: oil and gas industry.

SUBSTANCE: method includes performing three-dimensional seismic prospecting operations, drilling wells with taking of core, electric, radioactive, acoustic and seismic logging, testing of wells. On basis of drilling data and geophysical well research standard modeling seismic and well spectral-time images of oil-productive deposits and their spectral-time attributes are determined. On basis of data of surface three-dimensional seismic prospecting in area of wells standard experimental spectral-time images of oil and gas productive porous collectors and their volumetric spectral seismic attributes are determined on basis of use of spectral-time analysis of seismic prospecting data in goal range of recording and numeric estimation of its results. Following mutual correlation of values of hydraulic conductivity and capacity is performed on basis of drilling geophysical well research data with standard modeling seismic, well time-spectral attributes and volumetric spectral time attributes on basis of seismic prospecting data from area of wells. Optimal volumetric spectral seismic attributes are selected with greatest mutual correlation coefficients. Regression dependencies of optimal spectral seismic attribute are built, or same for complex attribute, with values of hydraulic conductivity and oil and gas productive porous collectors capacity according to drilling and geophysical well research data. Along all tracks of seismic time cube spectral-time analysis is performed and its numeric spectral-time parameterization on basis of optimal volumetric spectral seismic attribute, or complex attribute, with construction of attribute cubes and their following recalculation according to regression dependencies to hydraulic conductivity cubes and capacity cubes.

EFFECT: higher reliability, higher precision.

FIELD: oil and gas industry.

SUBSTANCE: method includes performing three-dimensional seismic prospecting operations, drilling wells with taking of core, electric, radioactive, acoustic and seismic logging, testing of wells. In inter-well space seismic prospecting operations are performed by three-dimensional longitudinal waves according to deep point method. On basis of drilling data and geophysical well research standard modeling seismic and well spectral-time images of oil-productive deposits and their spectral-time attributes are determined. On basis of data of surface three-dimensional seismic prospecting in area of wells standard experimental spectral-time images and their volumetric spectral seismic attributes are determined on basis of use of spectral-time analysis of seismic prospecting data in goal range of recording and numeric estimation of its results. Following mutual correlation of values of hydraulic conductivity and coefficients of oil productiveness is performed on basis of drilling geophysical well research data with standard modeling seismic, well time-spectral attributes and volumetric spectral time attributes on basis of seismic prospecting data. Optimal volumetric spectral seismic attribute is selected with greatest mutual correlation coefficient. Regression dependencies of optimal spectral seismic attribute are built, or same for complex attribute, with value s of hydraulic conductivity and oil-productiveness coefficient of porous collectors according to drilling and geophysical well research data. Along all tracks of seismic time cube spectral-time analysis is performed and its numeric spectral-time parameterization on basis of optimal volumetric spectral seismic attribute, or complex attribute, with construction of attribute cube and its following recalculation according to regression dependencies to hydraulic conductivity cubes and oil productiveness cubes.

EFFECT: higher reliability, higher precision.

FIELD: oil and gas industry.

SUBSTANCE: method includes performing three-dimensional seismic-prospecting operations, drilling wells with taking of core, electric, radioactive, acoustic and seismic logging, testing of wells. In inter-well space seismic-prospecting operations are performed in longitudinal waves according to deep point method. On basis of drilling and geophysical research data standard modeling seismic and well spectral-time samples of oil-productive cracked carbonate collectors and their spectral-time attributes are determined. On basis of three-dimensional seismic prospecting data in area of wells, standard experimental spectral-time images of oil-productive cracked carbonate collectors are determined as well as their volumetric spectral seismic attributes on basis of use of spectral-time analysis of three-dimensional seismic prospecting data in goal recording range and numeric estimation of its results. Mutual correlation of specific integral capacity of cracked carbonate collectors, hydraulic conductivity and oil productiveness is performed on basis of drilling data and geophysical researches of wells with standard modeling seismic, well spectral-time and volumetric spectral seismic attributes in zone of well. Optimal volumetric spectral seismic attributes are selected with greatest value of mutual correlation coefficients. Regression dependencies of optimal standard volumetric spectral seismic attributes are built, or complex attribute, with depth-specific integral capacity of cracked carbonate collectors, their hydraulic conductivity and oil productiveness on basis of drilling and geophysical well research data are built. Along all tracks of seismic time cube in goal range of recording spectral-time analysis is performed and its numeric spectral-time parameterization on basis of optimal volumetric spectral seismic attributes and their following recalculation on basis of set regression dependencies to cubes of integral depth-specific capacity, hydraulic conductivity and oil productiveness is performed as well.

EFFECT: higher reliability, higher precision, higher efficiency.

FIELD: oil and gas industry.

SUBSTANCE: method includes performing three-dimensional seismic operations, drilling wells with extracting of core, electric, radioactive, acoustic and seismic logging, testing of wells. According to data from drilling and geophysical well research type of geological cross-section of target oil-gas productive deposits is determined. According to data from acoustic, seismic and radioactive logging, laboratory research of core, rigidity models of target deposits are set, synthetic seismic routes are calculated, which are used to perform spectral-temporal analysis and standard model seismic spectral-temporal images of oil-gas deposits are also determined. On basis of data of geophysical wells research - acoustic, electric, radioactive logging - well (vertical) standard spectral-temporal images of target range are determined by spectral-temporal analysis of well geophysical research curves. According to three-dimensional seismic operations data in well zone standard experimental spectral-temporal images are determined for oil-gas productive and other types of geological cross-section on basis of use of spectral-temporal analysis of seismic operations data in target recording range. Numeric estimation of model, well and experimental spectral-temporal images is performed. Model, well and spectral-temporal attributes and experimental volumetric spectral seismic attributes should correlate mutually with mutual correlation coefficient more than 0.75. Greatest mutual correlation coefficients are used to select optimal volumetric spectral seismic attributes. Along all routes of seismic temporal cube in target range of recording spectral-temporal analysis is performed and its numeric spectral-energetic parameterization by frequency and time with construction of cubes for optimal volumetric spectral seismic attributes or complex volumetric spectral seismic attribute. Results are compared to standard optimal volumetric seismic spectral attributes and different types of geological cross-section are determined numerically in any point of three-dimensional inter-well space with detection of position of oil-gas productive types of geological cross-section.

EFFECT: higher reliability, higher precision.

FIELD: oil and gas industry.

SUBSTANCE: method includes performing three-dimensional seismic operations, drilling wells with taking of core, electrical, radioactive, acoustic and seismic logging, testing of wells. Seismic operations are performed in three-dimensional inter-well space by longitudinal waves on basis of common deep point method. According to data from drilling and geophysical well research standard model seismic and well spectral-temporal images of cracked argillaceous collectors are determined as well as their spectral-temporal attributes. According to data from three-dimensional seismic operations in zone of wells standard experimental seismic attributes are determined and their volumetric spectral seismic attributes on basis of use of spectral-temporal three-dimensional seismic data analysis in target recording interval and numeric estimation of its results. Following mutual correlation of values of coefficients of capacity differentiation and oil productiveness is performed on basis of data from drilling and geophysical wells research with standard model seismic, well spectral-temporal attributes and volumetric spectral-temporal seismic attributes according to three-dimensional seismic data. Optimal volumetric spectral seismic attributes are selected with greatest mutual correlation coefficients and regressive dependencies of optimal volumetric spectral seismic attributes are built, or of a complex attribute, with values of coefficients of capacity differentiation and oil-productiveness of cracked argillaceous collectors according to drilling data and geophysical well research. Along al routes of seismic temporal cube spectral-temporal analysis is performed and its numeric spectral-temporal parameterization on basis of optimal volumetric spectral seismic attributes, or a complex attribute, with construction of attributes cubes and following recalculation thereof according to regressive dependencies to cubes of coefficients for capacity differentiation and oil productiveness.

EFFECT: higher reliability, higher precision.

FIELD: oil and gas industry.

SUBSTANCE: method includes performing surface three-dimensional seismic operations using 3D longitudinal waves according to common-depth-point method, drilling wells with extraction of core, electric, radioactive, acoustic and seismic logging, testing of wells, research of core. On basis of total data from drilling and geophysical research of wells, and known criteria, presence of collectors, their capacity, penetrability, hydro-conductivity, oil productiveness, level of water-oil contact, position of oil fields, and also presence of correlative connection between capacity, hydro-conductivity and oil productiveness, are detected and/or estimated. According to data from acoustic, seismic and radioactive logging, and laboratory research of core, liquid models of target deposits are constructed, synthetic seismic trajectories are calculated, along which spectral-temporal analysis is performed and model seismic spectral-temporal and acoustic samples of oil-productive collectors are determined, which together form an oil bed. According to data from surface three-dimensional seismic 3D operations and results of common-depth-point method in area of wells experimental seismic spectral-temporal and pseudo-acoustic images of oil bed are determined. Acoustic and pseudo-acoustic images are estimated using bed-average acoustic and pseudo-acoustic speeds within target range of depths and times. Model seismic, well spectral-temporal analysis results and standard optimal specific results, acoustic and pseudo-acoustic speeds are correlated to capacity, hydro-conductivity, oil productiveness of collectors, regressive dependencies are set as well as mutual correlation coefficient. Along all trajectories of seismic temporal cube within target range of seismic record spectral-temporal analysis is performed and pseudo-acoustic conversions with determining of optimal specific results, pseudo-acoustic speeds and construction of cubes of spectral-speed attributes, which are recalculated to cubes of third powers of capacity, hydro-conductivity and oil productiveness of collectors.

EFFECT: higher reliability, higher precision, higher trustworthiness, higher efficiency.

FIELD: prospecting.

SUBSTANCE: method comprises exciting seismic vibration by means of a seismic source, generating simultaneously electric field by means of at least two electrodes, recording seismic vibration at least once when current is supplied to the electrodes and at least once when electric power is not supplied to them, producing the difference of seismic records obtained in the presence and absence of electric field, and detecting anomalous phenomena from the variation of the amplitude of reflected waves of seismic and seismic-electric fields.

EFFECT: enhanced precision and reduced cost of prospecting.

4 cl, 2 dwg

FIELD: oil geology, particularly to determine occurrence depths and relief structure of prospective geological horizons.

SUBSTANCE: method involves performing seismic exploration; drilling wells; determining reflection horizon seam depth on the base of drilling data; obtaining dependence of above seam depth as a function of relief altitude and determining interval velocity of upper non-uniform layer for following subsurface geologic imaging.

EFFECT: increased accuracy.

FIELD: geophysics.

SUBSTANCE: in accordance to method by transformation of excited and registered wave fields, amplitude-frequency and transfer characteristics of deposits of hydrocarbon resources are formed along lateral line and below face of control well, which are used to determine position and depth of oil-gas deposits. After transformation and comparison of frequency characteristics of longitudinal and transverse resilient oscillations, character of saturation and filtering-capacity properties of oil-gas deposits are determined.

EFFECT: higher efficiency, higher trustworthiness.

2 cl, 6 dwg

FIELD: geology, particularly to predict aerial extent and localization of metal, non-metal and fuel deposits of any genesis and age.

SUBSTANCE: method involves discovering geological structures and determining perspective zones for further deposit prospecting. In the case of ore deposit prediction above perspective zones are determined in low-order dome and composite type structures allied with crystal magma chambers and located over faults of different orders or in areas in which faults of one or several classes intersect. In the case of gravel deposit prediction the zones are determined in area located near ore deposits in neighboring low-order depression structures. In the case of oil and gas reservoir prediction the zones are prospected in all medium-order structures along radial, ring or oval fault areas and along super-deep ring or oval fault areas in zones in which crystal magma chambers are absent.

EFFECT: increased efficiency of aerial deposit extend and age prediction.

2 dwg

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