CN102520448B - System for calibrating well earthquakes in chronostratigraphic cycle domain - Google Patents
System for calibrating well earthquakes in chronostratigraphic cycle domain Download PDFInfo
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- CN102520448B CN102520448B CN 201210002559 CN201210002559A CN102520448B CN 102520448 B CN102520448 B CN 102520448B CN 201210002559 CN201210002559 CN 201210002559 CN 201210002559 A CN201210002559 A CN 201210002559A CN 102520448 B CN102520448 B CN 102520448B
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Abstract
The invention relates to a system for calibrating well earthquakes in a chronostratigraphic cycle domain. The system comprises a data acquisition device (1), a data conversion device (2), a well earthquake calibration device (3) and an output device (4) used after calibrating, wherein the data acquisition device (1) and the data conversion device (2) are connected; the data conversion device (2) and the well earthquake calibration device (3) are connected; and the well earthquake calibration device (3) and the output device (4) used after calibrating are connected. The data acquisition device (1) includes an earthquake acquisition device (11) and a logging data acquisition device (12). The data conversion device (2) includes an earthquake conversion device (21) and a logging data conversion device (22). The device for calibrating the well earthquake in the chronostratigraphic cycle domain disclosed by the invention is capable of realizing calibration of earthquake data and well data in the chronostratigraphic cycle domain moreaccurately, solving the problem of incapability of carrying out earthquake geological conversion caused by incapability of realizing well earthquake calibration in the chronostratigraphic cycle domain, and realizing calibration of the earthquake data and the well data in the chronostratigraphic cycle domain; calibrated data are more convenient for carrying out researches on sedimentation evolution of a reservoir stratum; and the system has a good application effect and promotion prospect.
Description
Technical field
The present invention relates to petroleum prospecting seismic interpretation and synthetic study field, relate in particular to the well earthquakes in chronostratigraphic cycle domain calibration facility.
Background technology
In current petroleum prospecting seismic interpretation and synthetic study, well shake demarcate be the most basic be also the most important means that realize the seismogeology combination.Shake demarcation by well, can set up smoothly the relation of logging geological information and earthquake, utilize earthquake to realize extrapolation.But present seismic data interpretation mainly concentrates on conventional time domain (Depth Domain), in conventional time domain, is convenient to study the form of current lithosomic body, but is difficult for analyzing its ancient geographical sedimentary environment and palaeogeomorphology feature.And in age stratigraphic cycles territory owing to having eliminated structural setting, conveniently return to Study In Reservoir under the palaeogeomorphology feature, be more convenient for analyzing space-time sedimentary evolution and the spatial distribution characteristic of lithosomic body.
Summary of the invention
The objective of the invention is to recover for the geographical environment that utilizes earthquake to carry out ancient deposition period in prior art the problem of precision deficiency, provide a kind of palaeogeomorphology of being convenient to recover, the device of the sedimentary evolution of Study In Reservoir.
The present invention is achieved through the following technical solutions goal of the invention
A kind of
System for calibrating well earthquakes in chronostratigraphic cycle domain, comprising: output unit after data acquisition facility, DTU (Data Transfer unit), well shake caliberating device and demarcation; Described data acquisition facility is connected with DTU (Data Transfer unit), DTU (Data Transfer unit) is connected with well shake caliberating device, well shake caliberating device is connected with output unit after demarcation, described data acquisition facility comprises earthquake deriving means and log data deriving means, and described DTU (Data Transfer unit) comprises earthquake conversion equipment and Data convert device.
Beneficial effect:
Well earthquakes in chronostratigraphic cycle domain caliberating device of the present invention, can realize comparatively accurately the demarcation in age stratigraphic cycles territory geological data and well data, solved and to have realized that in age stratigraphic cycles territory the well shake demarcates, thereby can't carry out the problem of seismogeology conversion, realized the demarcation of age stratigraphic cycles territory geological data and well data, calibrated data are more convenient for carrying out to the studying of the sedimentary evolution of reservoir, and this system has good effect and promotes future.
Description of drawings
This equipments overall structure of Fig. 1 schematic diagram
Fig. 2 specific embodiment 2 structural representations.
Fig. 3 specific embodiment 3 structural representations.
Fig. 4 specific embodiment 4 structural representations.
Embodiment
A kind of system for calibrating well earthquakes in chronostratigraphic cycle domain, comprised respectively by data acquisition facility 1, DTU (Data Transfer unit) 2, well shake caliberating device 3 and after demarcating output unit 4 form; Wherein data acquisition facility 1 is mainly to obtain the needed various data of system for calibrating well earthquakes in chronostratigraphic cycle domain; DTU (Data Transfer unit) 2 is mainly that the data that obtain by data acquisition facility are changed respectively, namely data is transformed into age stratigraphic cycles territory from the time domain of routine; Well shake caliberating device 3 be in age stratigraphic cycles territory by all kinds of analysis, contrast, couplings of data being carried out cycle, finally realize the unification of Various types of data, realize the demarcation of well shake; After demarcating, output unit 4 is mainly that calibrated result is exported and shown in age stratigraphic cycles territory.Data acquisition facility 1 in the present invention is connected with DTU (Data Transfer unit) 2, DTU (Data Transfer unit) 2 is connected with well shake caliberating device 3, and well shake caliberating device 3 is connected with output unit 4 after demarcation.The present invention has obtained demarcating needed geological data and log data by data acquisition facility 1, the earthquake and the log data that obtain are passed through DTU (Data Transfer unit) 2, geological data and log data under the suitable different sedimentation models in age stratigraphic cycles territory have been obtained, geological data and log data to the age stratigraphic cycles territory that obtains, shake caliberating device 3 by well, according to the time the dark invariance principle that concerns, mate by cycle, realize that well earthquakes in chronostratigraphic cycle domain demarcates.And finally by demarcate rear output unit 4 with ground layer by layer the calibration result in cycle territory show.
DTU (Data Transfer unit) 2 in the present invention comprises earthquake conversion equipment 21 and Data convert device 22.Wherein earthquake conversion equipment 21 be mainly with geological data according to different sedimentation models, select different slicing modes, geological data is transformed into age stratigraphic cycles territory from the time domain of routine, embody the cyclicity of deposition; Data convert device 22 be mainly with log data according to different filtering modes, log data is transformed into age stratigraphic cycles territory from the time domain of routine.
Get respectively needed geological data and log data by seismic data acquisition device 11 and log data deriving means 12 in the present invention, wherein geological data can be conventional poststack time domain geological data, it can be also prestack time domain geological data, can be even prestack or the poststack data of Depth Domain, with the inside earthquake form of geological data from the SEG format conversion of routine to system; And log data must comprise sonic data or density data, also GR(can be arranged) data, SP() data or RT(resistivity) data, log data is transformed into the inside well logging form of system from the text formatting of routine.
the log data that the geological data that obtains by seismic data acquisition device 11 and log data deriving means 12 obtain, in internal system, data layout with internal system, be delivered to geological data conversion equipment 21 and Data convert device 22, geological data conversion equipment 21 is mainly that geological data is transformed into age stratigraphic cycles territory from the time domain of routine, in transfer process, to select different translative mode (time slice pattern according to the sedimentation model of reality, layer position section pattern, stratum section pattern and data driven mode), geological data after conversion has clear and definite sedimentary rhythm and cyclicity, the log data that Data convert device 22 will get from log data deriving means 12, by methods such as filtering, wavelet transformations, log data is transformed into age stratigraphic cycles territory from the time domain of routine, and the log data after conversion has clear and definite sedimentary rhythm and cyclicity.
In internal system, with geological data and the log data in the age stratigraphic cycles territory after 22 conversions of geological data conversion equipment 21 and Data convert device, feed back to well shake caliberating device 3 with the data layout of internal system.This device is mainly the dark invariance principle that concerns when utilizing two territory, the geological data and the log data that are transformed into age stratigraphic cycles territory are passed through Cyclic Analysis, coupling is got up, and realizes log data with the automatic cutout of earthquake sedimentary gap and moves down in turn, demarcates thereby complete well earthquakes in chronostratigraphic cycle domain.
In the calibrated geological data in age stratigraphic cycles territory and log data, in internal system, send output unit 4 to the data layout of inside, by output unit 4, calibrated earthquake and log data and calibrated result are exported and shown.
Claims (1)
1. a system for calibrating well earthquakes in chronostratigraphic cycle domain, is characterized in that comprising: output unit (4) after data acquisition facility (1), DTU (Data Transfer unit) (2), well shake caliberating device (3) and demarcation; Described data acquisition facility (1) is connected with DTU (Data Transfer unit) (2), DTU (Data Transfer unit) (2) is connected with well shake caliberating device (3), well shake caliberating device (3) is connected with output unit (4) after demarcation, described data acquisition facility (1) comprises earthquake deriving means (11) and log data deriving means (12), and described DTU (Data Transfer unit) (2) comprises earthquake conversion equipment (21) and Data convert device (22).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105388522B (en) * | 2014-09-04 | 2018-10-12 | 中国石油化工股份有限公司 | A kind of united cycle of sedimentation Match Analysis of well shake |
| CN106324681B (en) * | 2016-08-24 | 2018-09-04 | 中国石油化工股份有限公司 | A kind of well shake scaling method of time-frequency continuous wavelet transform |
| CN112162332A (en) * | 2020-11-03 | 2021-01-01 | 中国石油化工股份有限公司 | Deposition evolution analysis method based on time-frequency convolution |
| CN116859466B (en) * | 2022-03-28 | 2024-05-31 | 中国石油化工股份有限公司 | Method and device for calibrating time and depth of well vibration in batch, electronic equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2317348A1 (en) * | 2009-10-30 | 2011-05-04 | Services Pétroliers Schlumberger | Method for building a depositional space corresponding to a geological domain |
| CN202486326U (en) * | 2012-01-06 | 2012-10-10 | 中国石油化工股份有限公司胜利油田分公司西部新区研究中心 | Chronostratigraphic cycle domain well shock calibrating system |
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| US7769546B2 (en) * | 2008-02-11 | 2010-08-03 | Chevron U.S.A. Inc. | Method for indexing a subsurface volume for the purpose of inferring geologic information |
| US7769545B2 (en) * | 2008-02-11 | 2010-08-03 | Chevron U.S.A. Inc. | Method for determining geological information related to a subsurface volume of interest |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2317348A1 (en) * | 2009-10-30 | 2011-05-04 | Services Pétroliers Schlumberger | Method for building a depositional space corresponding to a geological domain |
| CN202486326U (en) * | 2012-01-06 | 2012-10-10 | 中国石油化工股份有限公司胜利油田分公司西部新区研究中心 | Chronostratigraphic cycle domain well shock calibrating system |
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