CN103149589B - Pyrogenic rock Petroleum Exploration Methods and device - Google Patents
Pyrogenic rock Petroleum Exploration Methods and device Download PDFInfo
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- CN103149589B CN103149589B CN201310057154.XA CN201310057154A CN103149589B CN 103149589 B CN103149589 B CN 103149589B CN 201310057154 A CN201310057154 A CN 201310057154A CN 103149589 B CN103149589 B CN 103149589B
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Abstract
The invention provides a kind of pyrogenic rock Petroleum Exploration Methods and device, the method comprises: generate position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information; Generated the geophysics reflectance signature data of pyrogenic rock by seismic facies analysis, determine the distribution range of advantage petrofacies; According to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from; Analyze the log response data of pyrogenic rock, generated advantage lithology distributions information and the thickness data of deep layer pyrogenic rock mechanism by GR seismic inversion; The means such as deep and shallow resistivity difference inverting are utilized to obtain the growth position in igneous reservoirs crack; In growth position, pyrogenic rock hydrocarbon storage information is generated by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media.By the present invention, the precision to the prediction of igneous hydrocarbon reservoir reservoirs exploration and probing success ratio can be improved.
Description
Technical field
The present invention relates to the technical field of reservoir exploration, particularly, relate to a kind of pyrogenic rock Petroleum Exploration Methods and device.
Background technology
Eleventh Five-Year Plan, " 12 " period igneous hydrocarbon reservoir one of key areas becoming oil-gas exploration.But the seismic technology of existing pyrogenic rock exploration is also only limitted to the exploration engineering of conventional crumb rock reservoir to be applied in the middle of the exploration of pyrogenic rock.At present not for the perfect exploration engineering of pyrogenic rock oil-gas exploration, especially do not utilize for the research and development of Yin'gen basin feature and contain the prospecting prediction technology that the three dimensional seismic data of geological information is enriched in underground.The effect carrying out analyzing exploration in the middle of the exploration exploration engineering of conventional crumb rock reservoir being applied in pyrogenic rock is not fine, and analysis result and reservoir actual distribution differ greatly.Trace it to its cause, be because igneous hydrocarbon reservoir and clastic oil-gas pools distribution characteristics and Oil & Gas Reservoir Formation Conditions difference comparatively greatly, main difference comprise following some:
(1) pyrogenic rock is different with petroclastic rock rock mass formation mechenism.
Petroclastic rock be fragmental products through hydrodynamic carrying, deposit again and formed, and pyrogenic rock to be magma pass through fracture or volcanic vent invades or ejection earth's surface condensation and being formed.
(2) pyrogenic rock is different with the reservoir quality of petroclastic rock.
Clastic reservoir rock majority belongs to porosity reservoir, and igneous reservoirs belongs to crack elimination, and because the non-average of fracture-type reservoir is comparatively strong, therefore crack elimination strengthens than the earthquake prediction difficulty of porosity reservoir.
(3) geophysical response characteristic is different.
The country rock that in petroclastic rock, Effective Reservoirs (sandstone) and its alternating layers deposits has the difference of obvious geophysical response characteristic aspect, and the pyrogenic rock of advantage reservoir (as neutral rock class) in pyrogenic rock and its alternating layers does not have the difference of obvious geophysical response characteristic aspect.
Based on above-mentioned difference, determine the exploration engineering of existing conventional crumb rock reservoir when practical application is carried out in igneous reservoirs exploration, analysis and prediction can not be carried out well to reservoir situation, acquired results and actual reservoir situation difference larger, bring great inconvenience to the exploration of igneous hydrocarbon reservoir reservoir and practice of construction work, also reduce exploration success ratio simultaneously.
Therefore, igneous hydrocarbon reservoir exploration is as one of large Exploration Domain in Liaohe Oil Field three, and exploration engineering tackling key problem research work supporting is with it extremely urgent.
Summary of the invention
The fundamental purpose of the embodiment of the present invention is to provide a kind of pyrogenic rock Petroleum Exploration Methods and device, thus the accuracy improved the prediction of igneous hydrocarbon reservoir reservoirs exploration and success ratio.
To achieve these goals, the embodiment of the present invention provides a kind of pyrogenic rock Petroleum Exploration Methods, and the method comprises: generate position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information; By carrying out seismic facies analysis to the described pyrogenic rock petrofacies information in position, described crater, generate the geophysics reflectance signature data of pyrogenic rock; According to the distribution range of described geophysics reflectance signature data determination advantage petrofacies; In the distribution range of described advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from; Analyze the log response data of pyrogenic rock, in conjunction with described stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of described deep layer pyrogenic rock mechanism by GR seismic inversion; Utilize seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer obtain the growth position in igneous reservoirs crack in described advantage lithology distributions information; In described growth position, pyrogenic rock hydrocarbon storage information is generated by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media.
Further, according to the distribution range of described geophysics reflectance signature data determination advantage petrofacies, comprising: described geophysics reflectance signature data are combined the reflective-mode setting up pyrogenic rock with drilling data; According to the distribution range of described reflective-mode determination advantage petrofacies
Further, after the advantage lithology distributions information generating described deep layer pyrogenic rock mechanism and thickness data, described pyrogenic rock Petroleum Exploration Methods also comprises: position, described crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum are walked actual relative movement and combine from, advantage lithology distributions information and thickness data, generate the palaeogeomorphology characteristic information of pyrogenic rock shaping age.
Further, position and the characteristic information at described igneous reservoirs place comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust.
Further, described geophysics reflectance signature data comprise: pyrogenic rock is at longitudinal direction, the frequency of horizontal spread, phase place, amplitude.
The embodiment of the present invention also provides a kind of pyrogenic rock oil-gas exploration device, and described device comprises: Igneous rock facies and position generation unit, for generating position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information; Geophysics reflectance signature data generating unit, for by carrying out seismic facies analysis to the described pyrogenic rock petrofacies information in position, described crater, generates the geophysics reflectance signature data of pyrogenic rock; Advantage lithofacies distribution scope determining unit, for the distribution range according to described geophysics reflectance signature data determination advantage petrofacies; Walk sliding metrics calculation unit, for in the distribution range of described advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from; Advantage lithology distributions information and thickness data generation unit, for analyzing the log response data of pyrogenic rock, in conjunction with described stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of described deep layer pyrogenic rock mechanism by GR seismic inversion; The growth position generation unit in igneous reservoirs crack, for utilizing seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer generate the growth position in igneous reservoirs crack in described advantage lithology distributions information; Hydrocarbon storage information generating unit, for generating pyrogenic rock hydrocarbon storage information by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media in described growth position.
Further, described advantage lithofacies distribution scope determining unit comprises: reflective-mode sets up module, for by described geophysics reflectance signature data, is combined the reflective-mode setting up pyrogenic rock with drilling data; Advantage lithofacies distribution range determination module, for the distribution range according to described reflective-mode determination advantage petrofacies.
Further, described pyrogenic rock oil-gas exploration device also comprises: palaeogeomorphology characteristic information generation unit, combining from, advantage lithology distributions information and thickness data for position, described crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum being walked actual relative movement, generating the palaeogeomorphology characteristic information of pyrogenic rock shaping age.
Further, position and the characteristic information at described igneous reservoirs place comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust.
Further, described geophysics reflectance signature data comprise: pyrogenic rock is at longitudinal direction, the frequency of horizontal spread, phase place, amplitude.
The invention has the beneficial effects as follows: formed a kind of for pyrogenic rock Petroleum Exploration Methods and device according to the rock mass formation mechenism of pyrogenic rock, reservoir quality, geophysical response characteristic, thus the precision improved the prediction of igneous hydrocarbon reservoir reservoirs exploration and probing success ratio.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the pyrogenic rock Petroleum Exploration Methods according to the embodiment of the present invention;
Fig. 2 is EASTERN DEPRESSION Red Star according to the embodiment of the present invention-in area, building S_1 Formation igneous rock distribution figure;
Fig. 3 is according to the husky three epimere pyrogenic rock thickness charts in the Tai Area, Red Star-Re river of the embodiment of the present invention;
Fig. 4 is the GR seismic inversion prediction trachyte seismic cross-section according to the embodiment of the present invention;
Fig. 5 is the trachyte thickness plane distribution plan according to the embodiment of the present invention;
Fig. 6 is the differential resistivity inversion prediction trachyte fracture planes distribution plan according to the embodiment of the present invention;
Fig. 7 is the structural drawing of the pyrogenic rock oil-gas exploration device 1 according to the embodiment of the present invention;
Fig. 8 is the structural drawing of the advantage lithofacies distribution scope determining unit 4 according to the embodiment of the present invention;
Fig. 9 is another structural drawing of the pyrogenic rock oil-gas exploration device 1 according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of pyrogenic rock Petroleum Exploration Methods and device.Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment one
The embodiment of the present invention provides a kind of pyrogenic rock Petroleum Exploration Methods, and as shown in Figure 1, the step of the method comprises:
Step 101: generate position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information.
Particularly, according to pyrogenic rock " shape, body, structure " research method, namely by the means of evening up of 3-D data volume visualization technique, ancient planation surface, along methods such as layer time (or degree of depth) sections, the position at igneous reservoirs place disclosed in conjunction with drilling well and characteristic information determine the petrofacies information of position, crater and pyrogenic rock.Wherein, the position at igneous reservoirs place and characteristic information comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust.
Step 102: by carrying out seismic facies analysis to the pyrogenic rock petrofacies information in position, crater, generates the geophysics reflectance signature data of pyrogenic rock.
In this step, be utilize waveform analysis techniques, determine that pyrogenic rock is in the geophysics reflectance signature data such as frequency, phase place, amplitude that are longitudinal, horizontal spread.
Step 103: according to the distribution range of earth physical reflection characteristic determination advantage petrofacies.
The geophysics reflectance signature data obtained in step 102 and well data are combined and sets up the reflective-mode of different Petrographic zone feature pyrogenic rock, thus determine the favourable Petrographic zone of pyrogenic rock, be i.e. the distribution range of the advantage petrofacies of igneous reservoirs.
Step 104: in the distribution range of advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from.
Determine the stratum of deep layer pyrogenic rock mechanism walk actual relative movement from time, by the position of deep layer pyrogenic rock mechanism and the impact of reservoir situation, the relevant information of deep layer pyrogenic rock mechanism cannot directly obtain, and relative to deep layer pyrogenic rock mechanism, the data base of middle-shallow layer pyrogenic rock is good, feature is obvious, be easy to identify, therefore, in practical operation, preferably, be by Volcanic Mechanism zone of interest petrofacies fracture both sides matching relationship and middle-shallow layer feature obvious, be easy to the corresponding relation of pyrogenic rock in fracture both sides identified, calculate the stratum obtaining deep layer pyrogenic rock mechanism walk actual relative movement from.
Step 105: analyze the log response data of pyrogenic rock, in conjunction with stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of deep layer pyrogenic rock mechanism by GR seismic inversion.
Because favourable igneous rocks (as trachyte) is very close with the pyrogenic rock wave impedance of same lithology series, time-frequency analysis Favorable Reservoir cannot be utilized, after the log response analyzing pyrogenic rock, adopt signature logging curve (as GR) seismic inversion, generate distributed intelligence and the thickness data of Favorable Reservoir in pyrogenic rock (advantage lithology).
Step 106: utilize seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer obtain the growth position in igneous reservoirs crack in advantage lithology distributions information.
Step 107: generate pyrogenic rock hydrocarbon storage information by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media in growth position.
At Reservoir Fracture by after fluid-filled, the multiple sensitive earthquake attribute of reservoir will produce exception; The seismic response that oily Reservoir Body will occur " low-frequency resonance, high frequency attenuation ".For this kind of phenomenon, by by cluster analysis of seismic attributes and the method that combines based on the oil and gas detection of bi-directional medium, thus generate pyrogenic rock hydrocarbon storage information comparatively accurately.
Wherein, above-mentioned walk actual relative movement from refer to the plane of igneous rock formation under dextrorotation effect of stress walk actual relative movement from; The Effective Reservoirs thickness profile data of above-mentioned thickness data is in the distribution range of described advantage petrofacies.
Utilize above-mentioned pyrogenic rock Petroleum Exploration Methods, according to the characteristic of pyrogenic rock, to the position of igneous reservoirs, favourable Petrographic zone (advantage lithofacies distribution scope), walk actual relative movement from, fracture development position, oil and gas reservoir distribution situation etc. analyzes and obtains relevant information, thus the precision improved the prediction of igneous hydrocarbon reservoir reservoirs exploration and probing success ratio.
Further, above-mentioned steps 103 specifically comprises:
Geophysics reflectance signature data are combined the reflective-mode setting up pyrogenic rock with drilling data;
According to the distribution range of reflective-mode determination advantage petrofacies.
Further, after above-mentioned steps 105, the pyrogenic rock Petroleum Exploration Methods of the embodiment of the present invention also comprises: position, crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum are walked actual relative movement and combine from, advantage lithology distributions information and thickness data, generate the palaeogeomorphology characteristic information of pyrogenic rock shaping age.Because step 101 ~ step 105 is all only from the data message of a side to reflect the formation form of igneous reservoirs, therefore, utilizes visualization technique, portray trachytic spatial form; And summarized by the palaeogeomorphology feature of flattening technology to pyrogenic rock shaping age, thus understand the distribution mode of whole igneous reservoirs more intuitively.
The seismic technology of igneous hydrocarbon reservoir exploration is a set of series technique grown up in the production practices of pyrogenic rock oil-gas exploration, comprise the favourable Petrographic zone of crater location technology → pyrogenic rock (distribution ranges of advantage petrofacies) forecasting techniques → pyrogenic rock favourable lithology (advantage lithology) forecasting techniques → fractured igneous-rock forecasting techniques → pyrogenic rock hydrocarbon potential detection technology → Comprehensive Assessment Technology, thus define a complete seismic exploration technique, every gordian technique is in the distribution of igneous reservoirs, crack, there is in oil and gas detection good applicability and operability.
The seismic technology of pyrogenic rock oil-gas exploration of the present invention is successively applied in the igneous hydrocarbon reservoir such as Jiazhangsi area diabase, Oulituozi area trachyte, Huangshatuo area trachyte, the Qinglongtai area graniton research of Eastern Sag of Liaohe Depression, acquired results and the reservoir actual distribution situation goodness of fit higher, promoted the use of other area of Liaohe Depression at present, this achievement has certain guidance and reference function with the comprehensive, advanced of its technology to pyrogenic rock research both domestic and external.
Be applied to the example in the exploration practices of the igneous hydrocarbon reservoir in husky three stage casings of Eastern Sag of Liaohe Depression Huangshatuo area Paleogene System below in conjunction with one, the process of the pyrogenic rock Petroleum Exploration Methods that the embodiment of the present invention provides is described in detail.
First, carry out Collection and analysis by the size structure information of the archeo magnetism to Igneous rock facies, pyrogenic rock thickness and volcano dust, obtain the positional information of position, crater and pyrogenic rock.
By pyrogenic rock seismic facies analysis, can learn that Huangshatuo area exists the reflection seismic reflectance signatures such as tabular, random hilllock shape, earthworm shape, and favourable Petrographic zone earthworm shape echo area east northeast is to spread, i.e. the distribution range of advantage petrofacies.
Then, utilize empirical model and seismic data binding analysis, draw and stick together Ou Li to walk sliding distance be 750m to wellblock, regional Europe 26 pyrogenic rock right lateral, it is 3.0km that Huangshatuo area pyrogenic rock right lateral walks sliding distance.It should be noted that, determine the stratum of deep layer pyrogenic rock mechanism walk actual relative movement from time, by the position of deep layer pyrogenic rock mechanism and the impact of reservoir situation, the relevant information of deep layer pyrogenic rock mechanism cannot directly obtain, and relative to deep layer pyrogenic rock mechanism, the data base of middle-shallow layer pyrogenic rock is good, feature is obvious, be easy to identify, therefore, in practical operation, preferably, be by Volcanic Mechanism zone of interest petrofacies fracture both sides matching relationship and middle-shallow layer feature obvious, be easy to the corresponding relation of pyrogenic rock in fracture both sides identified, calculate the stratum obtaining deep layer pyrogenic rock mechanism walk actual relative movement from.
In Dongying period Oligocene epoch, sliding extrusion struc-tural movement is walked in Eastern Sag of Liaohe Depression generation area, the cut dislocation of igneous lithofacies of early origin.Fig. 2 is EASTERN DEPRESSION Red Star according to the embodiment of the present invention-in area, building S_1 Formation igneous rock distribution figure, Fig. 3 is according to the husky three epimere pyrogenic rock thickness charts in the Tai Area, Red Star-Re river of the embodiment of the present invention, as shown in Figures 2 and 3, from Red Star-in area, building S_1 Formation igneous rock distribution, it is general at about 4.5 ~ 5km to drive the palm temple horizontal dextral slip distance that ruptures.True according to this, analyze and learn and should grow " second half " rock mass corresponding with Yu Lou, hot river platform lower Sha3 sub-member igneous lithofacies at Hongxing area lower Sha3 sub-member.And the later stage actual well drilled construction in, red 22(2006 finishing drilling, formation testing: industrial gas), red 23(2008 finishing drilling, formation testing: commercial oil) probing confirm above-mentioned analysis result.
Through the above-mentioned positional information to pyrogenic rock, advantage lithofacies distribution scope and walk actual relative movement from analysis, can understand from directivity and position igneous reservoirs.Below carry out analyzing and distinguishing from characteristic for analyzed igneous reservoirs.
In igneous reservoirs, have the rock of multiple different lithology to store, wherein include " subsiliceous rock " (as Irish touchstone), and " neutral rock " (as trachyte), for the probing of hydrocarbon-bearing pool and collection, favourable lithology (advantage lithology) is neutral rock.And when due to trachyte and Irish touchstone association, both geophysical character are similar, cannot distinguish, therefore with traditional Impedance Inversion, be distinguish above-mentioned two kinds of lithology by " GR (GR) seismic inversion " in the embodiment of the present invention, thus effectively obtain trachyte distribution.As shown in Figure 4 and Figure 5, through GR inverting, make the longitudinal identifiable design of trachyte, can show that this area is along east northeast to the multiple trachyte mid-depth of growth.
Further, utilize seismic attributes analysis, along inclination layer scanning, differential resistivity inverting, obtain the growth position in igneous reservoirs crack along technical Analysis such as layer are concerned with.Fig. 6 is the differential resistivity inversion prediction trachyte fracture planes distribution plan according to the embodiment of the present invention, as shown in Figure 6, analysis shows that local area fracture development has inhomogeneity, macroscopically Fractured Zone is consistent with the trend of main fault, with the distribution of mid-depth, there is consistance, be positioned at the maximum position of tectonic erosion periods.
Then, by cluster analysis of seismic attributes and the hydrocarbon storage information obtaining igneous reservoirs based on the oil and gas detection of two-phase media.The result of oil and gas detection can confirm oil gas be east northeast to ribbon spread, substantially identical with known hydrocarbon occurrence district.
Above-mentioned application achievements shows, the pyrogenic rock Petroleum Exploration Methods of the embodiment of the present invention directs exploration deployment effectively.Reported 4,272 ten thousand tons of verified oil geologic reserve at Yin'gen basin, implemented district at present and drive a well 33 mouthfuls altogether, average daily output crude oil 802t, yearly capacity can reach 30.0 × 10
4more than t, has indicated that the exploration of layer for the purpose of single pyrogenic rock achieves important breakthrough.
In sum, by the pyrogenic rock Petroleum Exploration Methods using the embodiment of the present invention to provide, according to the characteristic of pyrogenic rock, to the position of igneous reservoirs, favourable Petrographic zone (advantage lithofacies distribution scope), walk actual relative movement from, fracture development position, the information such as oil and gas reservoir distribution situation, targetedly the hydrocarbon-bearing pool of igneous reservoirs analyzed and obtain relevant information, thus the precision improved the prediction of igneous hydrocarbon reservoir reservoirs exploration and probing success ratio.
Embodiment two
The embodiment of the present invention also provides a kind of pyrogenic rock oil-gas exploration device, and as shown in Figure 7, pyrogenic rock oil-gas exploration device 1 comprises:
Igneous rock facies and position generation unit 2, for generating position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information; Particularly, according to pyrogenic rock " shape, body, structure " research method: namely by the means of evening up of 3-D data volume visualization technique, ancient planation surface, along methods such as layer time (or degree of depth) sections, the position at igneous reservoirs place disclosed in conjunction with drilling well and characteristic information determine the petrofacies information of position, crater and pyrogenic rock.Wherein, the position at igneous reservoirs place and characteristic information comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust;
Geophysics reflectance signature data generating unit 3, for by carrying out seismic facies analysis to the pyrogenic rock petrofacies information in position, crater, generates the geophysics reflectance signature data of pyrogenic rock.Particularly, be utilize waveform analysis techniques, determine that pyrogenic rock is in the geophysics reflectance signature data such as frequency, phase place, amplitude that are longitudinal, horizontal spread;
Advantage lithofacies distribution scope determining unit 4, for the distribution range according to earth physical reflection characteristic determination advantage petrofacies.Geophysics reflectance signature data geophysics reflectance signature data generating unit 3 generated and well data combine and set up the reflective-mode of different Petrographic zone feature pyrogenic rock, thus determine the favourable Petrographic zone of pyrogenic rock, i.e. the distribution range of the advantage petrofacies of igneous reservoirs;
Walk sliding metrics calculation unit 5, for in the distribution range of advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from.Determine the stratum of deep layer pyrogenic rock mechanism walk actual relative movement from time, by the position of deep layer pyrogenic rock mechanism and the impact of reservoir situation, the relevant information of deep layer pyrogenic rock mechanism cannot directly obtain, and relative to deep layer pyrogenic rock mechanism, the data base of middle-shallow layer pyrogenic rock is good, feature is obvious, be easy to identify, therefore, in practical operation, preferably, be by Volcanic Mechanism zone of interest petrofacies fracture both sides matching relationship and middle-shallow layer feature obvious, be easy to the corresponding relation of pyrogenic rock in fracture both sides identified, calculate the stratum obtaining deep layer pyrogenic rock mechanism walk actual relative movement from,
Advantage lithology distributions information and thickness data generation unit 6, for analyzing the log response data of pyrogenic rock, according to stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of deep layer pyrogenic rock mechanism by GR seismic inversion.Because favourable igneous rocks (as trachyte) is very close with the pyrogenic rock wave impedance of same lithology series, time-frequency analysis Favorable Reservoir cannot be utilized, after the log response analyzing pyrogenic rock, adopt signature logging curve (as GR) seismic inversion, generate distributed intelligence and the thickness data of Favorable Reservoir in pyrogenic rock.
The growth position generation unit 7 in igneous reservoirs crack, for utilizing seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer generate the growth position in igneous reservoirs crack in advantage lithology distributions information;
Hydrocarbon storage information generating unit 8, for generating pyrogenic rock hydrocarbon storage information by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media in growth position.At Reservoir Fracture by after fluid-filled, the multiple sensitive earthquake attribute of reservoir will produce exception; The seismic response that oily Reservoir Body will occur " low-frequency resonance, high frequency attenuation ".For this kind of phenomenon, by by cluster analysis of seismic attributes and the method that combines based on the oil and gas detection of bi-directional medium, thus generate pyrogenic rock hydrocarbon storage information comparatively accurately.
Fig. 8 is the structural drawing of the advantage lithofacies distribution scope determining unit 4 according to the embodiment of the present invention, and as shown in Figure 8, advantage lithofacies distribution scope determining unit 4 comprises:
Reflective-mode sets up module 41, for by described geophysics reflectance signature data, is combined the reflective-mode setting up pyrogenic rock with drilling data;
Advantage lithofacies distribution range determination module 42, for according to described reflective-mode determination advantage lithofacies distribution scope.
Fig. 9 is another structural drawing of the pyrogenic rock oil-gas exploration device 1 according to the embodiment of the present invention, and as shown in Figure 9, the pyrogenic rock oil-gas exploration device 1 of the embodiment of the present invention also comprises:
Palaeogeomorphology characteristic information generation unit 9, combining from, advantage lithology distributions information and thickness data for position, described crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum being walked actual relative movement, generating the palaeogeomorphology characteristic information of pyrogenic rock shaping age.Because aforementioned all parts is all generate related data information to reflect the formation form of igneous reservoirs from angle independently, therefore, palaeogeomorphology characteristic information generation unit 9 is utilized to adopt visualization technique, portray trachytic spatial form, and summarized by the palaeogeomorphology feature of flattening technology to pyrogenic rock shaping age, from macroscopic perspective, understand the distribution mode of whole igneous reservoirs more intuitively.Palaeogeomorphology characteristic information generation unit 9 is connected between the growth position acquiring unit 7 in advantage lithology distributions information and thickness data generation unit 6 and igneous reservoirs crack.
Wherein, above-mentioned walk actual relative movement from be the plane of igneous rock formation under dextrorotation effect of stress walk actual relative movement from; The Effective Reservoirs thickness profile data of above-mentioned thickness data is in the distribution range of described advantage petrofacies.
In practical operation, the pyrogenic rock Petroleum Exploration Methods of pyrogenic rock oil-gas exploration device preferably described in Application Example one that the embodiment of the present invention two provides, analyzes igneous reservoirs.
In sum, the pyrogenic rock oil-gas exploration device provided by the embodiment of the present invention, according to rock mass formation mechenism, reservoir quality, the geophysical response characteristic of pyrogenic rock, targetedly analysis exploration is carried out to igneous hydrocarbon reservoir reservoir, thus the precision improved the prediction of igneous hydrocarbon reservoir reservoirs exploration and probing success ratio.
One of ordinary skill in the art will appreciate that the hardware that all or part of step realized in above-described embodiment method can carry out instruction relevant by program has come, this program can be stored in a computer read/write memory medium, such as ROM/RAM, magnetic disc, CD etc.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a pyrogenic rock Petroleum Exploration Methods, is characterized in that, described pyrogenic rock Petroleum Exploration Methods comprises:
Position, crater and pyrogenic rock petrofacies information is generated according to the position at igneous reservoirs place and characteristic information;
By carrying out seismic facies analysis to the described pyrogenic rock petrofacies information in position, described crater, generate the geophysics reflectance signature data of pyrogenic rock;
According to the distribution range of described geophysics reflectance signature data determination advantage petrofacies;
In the distribution range of described advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from;
Analyze the log response data of pyrogenic rock, in conjunction with described stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of described deep layer pyrogenic rock mechanism by GR seismic inversion;
Utilize seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer obtain the growth position in igneous reservoirs crack in described advantage lithology distributions information;
In described growth position, pyrogenic rock hydrocarbon storage information is generated by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media.
2. pyrogenic rock Petroleum Exploration Methods according to claim 1, is characterized in that, according to the distribution range of described geophysics reflectance signature data determination advantage petrofacies, comprising:
Described geophysics reflectance signature data are combined the reflective-mode setting up pyrogenic rock with drilling data;
According to the distribution range of described reflective-mode determination advantage petrofacies.
3. pyrogenic rock Petroleum Exploration Methods according to claim 2, is characterized in that, after the advantage lithology distributions information generating described deep layer pyrogenic rock mechanism and thickness data, described pyrogenic rock Petroleum Exploration Methods also comprises:
Position, described crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum are walked actual relative movement to combine from, advantage lithology distributions information and thickness data, generate the palaeogeomorphology characteristic information of pyrogenic rock shaping age.
4. pyrogenic rock Petroleum Exploration Methods according to claim 3, is characterized in that, position and the characteristic information at described igneous reservoirs place comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust.
5. pyrogenic rock Petroleum Exploration Methods according to claim 4, is characterized in that, described geophysics reflectance signature data comprise: pyrogenic rock is at longitudinal direction, the frequency of horizontal spread, phase place, amplitude.
6. a pyrogenic rock oil-gas exploration device, is characterized in that, described pyrogenic rock oil-gas exploration device comprises:
Igneous rock facies and position generation unit, for generating position, crater and pyrogenic rock petrofacies information according to the position at igneous reservoirs place and characteristic information;
Geophysics reflectance signature data generating unit, for by carrying out seismic facies analysis to the described pyrogenic rock petrofacies information in position, described crater, generates the geophysics reflectance signature data of pyrogenic rock;
Advantage lithofacies distribution scope determining unit, for the distribution range according to described geophysics reflectance signature data determination advantage petrofacies;
Walk sliding metrics calculation unit, for in the distribution range of described advantage petrofacies, by coherent window, seismic section and seismic experiment models coupling, according to the zone of interest petrofacies of the Volcanic Mechanism corresponding relation of pyrogenic rock in fracture both sides at fracture both sides matching relationship and middle-shallow layer, the stratum calculating deep layer pyrogenic rock mechanism walk actual relative movement from;
Advantage lithology distributions information and thickness data generation unit, for analyzing the log response data of pyrogenic rock, in conjunction with described stratum walk actual relative movement from, generated advantage lithology distributions information and the thickness data of described deep layer pyrogenic rock mechanism by GR seismic inversion;
The growth position generation unit in igneous reservoirs crack, for utilizing seismic attributes analysis, along inclination layer scanning, deep and shallow resistivity difference inverting and be concerned with along layer generate the growth position in igneous reservoirs crack in described advantage lithology distributions information;
Hydrocarbon storage information generating unit, for generating pyrogenic rock hydrocarbon storage information by cluster analysis of seismic attributes with based on the oil and gas detection of two-phase media in described growth position.
7. pyrogenic rock oil-gas exploration device according to claim 6, is characterized in that, described advantage lithofacies distribution scope determining unit comprises:
Reflective-mode sets up module, for by described geophysics reflectance signature data, is combined the reflective-mode setting up pyrogenic rock with drilling data;
Advantage lithofacies distribution range determination module, for the distribution range according to described reflective-mode determination advantage petrofacies.
8. pyrogenic rock oil-gas exploration device according to claim 7, is characterized in that, described pyrogenic rock oil-gas exploration device also comprises:
Palaeogeomorphology characteristic information generation unit, combining from, advantage lithology distributions information and thickness data for position, described crater and pyrogenic rock petrofacies information, the distribution range of advantage petrofacies, stratum being walked actual relative movement, generating the palaeogeomorphology characteristic information of pyrogenic rock shaping age.
9. pyrogenic rock oil-gas exploration device according to claim 8, is characterized in that, position and the characteristic information at described igneous reservoirs place comprise: the size structure of archeo magnetism, pyrogenic rock thickness and volcano dust.
10. pyrogenic rock oil-gas exploration device according to claim 9, is characterized in that, described geophysics reflectance signature data comprise: pyrogenic rock is at longitudinal direction, the frequency of horizontal spread, phase place, amplitude.
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