Образовательные дни Москва 2017: Seismic Attributes and their Applications in Seismic Interpretation

Нефтегаз
С 13 по 13 Ноября Россия, Москва, Москва Отраслевые

 

 

Европейская ассоциация геоучёных и инженеров (EAGE) в 9 раз подряд организует мероприятие «Образовательные дни Москва». В 2017 году Образовательные дни пройдут с 13 по 17 ноября.

Приглашаем принять участие в программе, состоящей из нескольких одно- и двухдневных курсов в различных областях геонаук. Краткие курсы разбиты таким образом, чтобы максимально отвечать предпочтениям слушателей, каждый из них может сам выбрать наиболее интересные и полезные ему темы.

Москва — прекрасный город, позволяющий совместить профессиональную деятельность с богатой культурной средой. Подробную информацию о городе можно получить на Московском международном портале.

Seismic Attributes and their Applications in Seismic Interpretation

Время: 09:30–17:30

Продолжительность курса: 1 день

Название и описание курса на английском языке: Seismic Attributes and their Applications in Seismic Interpretation​

Курс будет прочитан на английском языке с предоставлением профессионального синхронного перевода на русский язык.

Описание курса

Seismic attributes have been increasingly used in both exploration and reservoir characterization and has been integrated in the seismic interpretation process. Seismic attribute analysis can extract information from seismic data that is otherwise hidden in the data and have been used to identify prospects, ascertain depositional environments (e.g. fluvial or deep water channels, carbonate buildups), detect and enhance faults and fracture sets to unravel structural history, and even provide direct hydrocarbon indicators. They have proven to be useful in different geological settings such as clastic, carbonate, and salt related basins as well as different tectonic regimes including extensional, strike-slip, and compressional. Developments in digital recording and modern visualization techniques had great impact on the growth of seismic attributes in the past decades. The purpose of this course is to introduce seismic attributes with their applications in seismic interpretation using examples from different sedimentary basins and also through certain attribute workflows. It is aimed to provide geoscientists with the minimum required theory of how each attribute is generated, with a greater emphasis on the application in the exploration and reservoir characterization.

The course is divided into two parts: attributes review/applications and workflows. The first part starts with a review of seismic attributes and discusses the noise (random and coherent) reduction as one essential step of all attribute studies. The number of seismic attributes has recently increased dramatically causing confusion for geoscientists to select appropriate ones. A series of trace-based attributes, volumetric dip and azimuth, fault detection and enhancement attributes, volumetric curvature and frequency decomposition are presented in this course and, for every attribute, theory will be followed by applications using examples from different sedimentary basins. Frequency decomposition is briefly presented with different decomposition methods such as wavelet transform, Fourier transform and matching pursuit analysis. Examples illustrate the interpretation challenges associated with frequency decomposition data interpretation. The concept of multi-attributes and geobody extraction is introduced at the end of the first part of the course with examples on combinations of amplitude, phase, discontinuity and frequency attributes to visualize different geological objects. Iso-proportional slicing as a powerful interpretation tool is discussed.

In the second part of the course stratigraphic and structural workflows are presented using the acquired attributes. The workflows (and the elements for their planning) aim to show the integration of several attributes for specific interpretation purposes, with examples of stratigraphic (fluvial/shallow marine clastic systems, attribute expressions of deep water turbidites and carbonate settings) and structural imaging workflows. Lastly, the course analyses the importance of the integration of seismic attribute analysis processes with the other seismic interpretation (qualitative or quantitative) workflows.

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