RU2014118825A - METHOD FOR PROCESSING AND INTERPRETING SEISMIC DATA - Google Patents
METHOD FOR PROCESSING AND INTERPRETING SEISMIC DATA Download PDFInfo
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- RU2014118825A RU2014118825A RU2014118825/28A RU2014118825A RU2014118825A RU 2014118825 A RU2014118825 A RU 2014118825A RU 2014118825/28 A RU2014118825/28 A RU 2014118825/28A RU 2014118825 A RU2014118825 A RU 2014118825A RU 2014118825 A RU2014118825 A RU 2014118825A
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Abstract
1. Способ обработки и интерпретации сейсмических данных, включающий получение временного сейсмического разреза в исследуемой толще земли, отображение сейсмического разреза в виде набора сейсмических трасс, определение спектральных и энергетических характеристик отраженных и рассеянных волн по выборкам данных на сейсмическом разрезе в перемещающемся скользящем окне и вынесение суждения об отражающих свойствах и локальных неоднородностях объектов геологической среды, отличающийся тем, что обработка данных повыделению энергии рассеянных волн сейсмического поля включает следующие последовательные операции: а) определение дисперсии по отдельным трассам временного разреза в скользящем окне; б) разложение (декомпозиция) полученных значений дисперсии на трендовую и локальную составляющие, обусловленные соответственно энергией отраженных и рассеянных волн, путем одномерной адаптивной энергетической фильтрации; в) разложение трендовой и локальной составляющих дисперсии посредством вейвлет-преобразования; г) привязка энергии вейвлет-преобразования трендовой составляющей дисперсии и энергии локальной составляющей дисперсии по времени, а интерпретация данных по энергии рассеянных волн включает суждение о трещинно-кавернозных зонах неоднородностей геологической среды, связанных с зонами коллекторов и месторождений углеводородов.2. Способ по п.1, отличающийся тем, что определение дисперсии D по отдельным трассам временного разреза - операция а) - производят в скользящем окне, по крайней мере, из трех точек путем расчета по амплитудам A(t) отраженных волн для, по крайней мере, трех дискретов по времени I) в �1. A method of processing and interpreting seismic data, including obtaining a temporary seismic section in the studied body of the earth, displaying a seismic section in the form of a set of seismic traces, determining the spectral and energy characteristics of reflected and scattered waves from data samples on a seismic section in a moving sliding window and making a judgment about reflective properties and local heterogeneities of objects of the geological environment, characterized in that the data processing by the release of energy nnyh seismic wave field comprises the following successive steps: a) determining the variance on selected tracks time section in the moving window; b) decomposition (decomposition) of the obtained dispersion values into trend and local components, due to the energy of reflected and scattered waves, respectively, by one-dimensional adaptive energy filtering; c) the expansion of the trend and local components of the variance through the wavelet transform; d) the binding of the energy of the wavelet transform of the trend component of the dispersion and the energy of the local component of the dispersion in time, and the interpretation of the data on the energy of the scattered waves includes a judgment on the fracture-cavernous zones of heterogeneities of the geological environment associated with the zones of reservoirs and hydrocarbon deposits. 2. The method according to claim 1, characterized in that the determination of the dispersion D by individual tracks of the time section — operation a) —is performed in a sliding window from at least three points by calculating the amplitudes A (t) of the reflected waves for at least , three discrete time I) in �
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RU2014118825/28A RU2567434C2 (en) | 2014-05-08 | 2014-05-08 | Method for seismic data processing and interpreting |
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RU2014118825/28A RU2567434C2 (en) | 2014-05-08 | 2014-05-08 | Method for seismic data processing and interpreting |
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CN113031061A (en) * | 2021-04-02 | 2021-06-25 | 中油奥博(成都)科技有限公司 | Gasification cavity boundary identification method |
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RU2620785C1 (en) * | 2016-06-14 | 2017-05-29 | Общество с ограниченной ответственностью "Макросейс" | Method of determining the location of the microseismic focus |
RU2718135C1 (en) * | 2019-09-09 | 2020-03-30 | Общество с ограниченной ответственностью "Газпромнефть Научно-Технический Центр" (ООО "Газпромнефть НТЦ") | Method and system for prediction of effective thicknesses in inter-well space during construction of geological model based on spectral curves clustering method |
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RU2168187C1 (en) * | 1999-12-10 | 2001-05-27 | Левянт Владимир Борисович | Method of seismic prospecting in geological rock mass |
RU2210094C1 (en) * | 2002-11-18 | 2003-08-10 | Закрытое акционерное общество "Моделирование и мониторинг геологических объектов им.В.А.Двуреченского" | Method of geophysical prospecting to establish filtration capacitive properties of oil-and-gas bearing deposits in interwell space |
US6789018B1 (en) * | 2003-08-29 | 2004-09-07 | Nonlinear Seismic Imaging, Inc. | Mapping reservoir rocks using frequency spectral broadening and the presence of the slow-wave |
RU2248014C1 (en) * | 2004-03-22 | 2005-03-10 | Закрытое акционерное общество Научно-производственная компания "Форум" | Elastic waves dissipating objects seismic prospecting method |
FR2884636B1 (en) * | 2005-04-15 | 2007-07-06 | Earth Resource Man Services Er | PR0CEDE OF HIERARCHICAL DETERMINATION OF COHERENT EVENTS IN AN IMAGE |
RU2324205C1 (en) * | 2006-09-27 | 2008-05-10 | Федеральное государственное унитарное предприятие Сибирский научно-исследовательский институт геологии, геофизики и минерального сырья | Seismic data processing technique |
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CN112649863A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Frequency division seismic attribute data optimization method and system |
CN112835095A (en) * | 2019-11-25 | 2021-05-25 | 中国石油天然气股份有限公司 | Low-amplitude structure mapping method and device for seismic data |
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CN114839679A (en) * | 2021-02-02 | 2022-08-02 | 中国石油天然气股份有限公司 | Method, device and equipment for processing crack detection data and storage medium |
CN113031061A (en) * | 2021-04-02 | 2021-06-25 | 中油奥博(成都)科技有限公司 | Gasification cavity boundary identification method |
CN113031061B (en) * | 2021-04-02 | 2022-09-27 | 中油奥博(成都)科技有限公司 | Gasification cavity boundary identification method |
CN113219528A (en) * | 2021-04-13 | 2021-08-06 | 中国煤炭地质总局地球物理勘探研究院 | Spectral decomposition dominant frequency mixed operation tectonic coal identification method |
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