Integrated microseismic and 3d seismic interpretation. Coherence time slices were used in the initial structural interpretation phase because this technology allows a mathematical. Ppzg provides fullcycle seismic processing and imaging that is designed to. Projection of the seismic cube and of the interpreted data into the flattened space using the uvttransform. Quantification of uncertainty in 3d seismic interpretation. The book is aimed at geologists and geophysicists who may be new to interpreting seismic data, and although titled 3d seismic interpretation there is much to be learned from within this volume about interpretation of other forms of seismic data. Jura reservoir in the troll field interpret a series of reflectors in vertical sections a limited number of inlines and crosslines. People often use specialized software for this task, as the process requires a lot of math and the careful construction and interpretation of data.
In order to do this, the correct amount and types of data must be acquired, and processing applied to remove unwanted energy such as multiples, and to place the required events in the correct location. The task of interpreting seismic data requires a broad range of skills and knowledge that must tie information at. With the wells as starting points you have to identify and interpret. Interpretation of structures and reservoir characterization using 3d seismic cube and well data pose great challenges in mapping because of their complexities especially in structural deformations, and where identification of reservoir facies is a major challenge to plan. It is the study of seismic data for the purpose of extracting stratigraphic information. Our condition reveal interpret classifyai approach complements the human visual cognitive process that is. Convertedwave 3d 3c3d seismic images can accompany a conventional acoustic survey and provide a powerful adjunct toward a more complete interpretation. Kinematic forward modeling and interpretation of faults in 3d. Pdf the current paper focuses on the construction of an integrated 3d model comprising the most important fault systems of the vienna. Produce industry leading data and image quality, sharper and clearer images. Because of the completeness of data within that volume, the interpreter has more information than he would from the analysis of a 2d seismic data set. Structural and stratigraphic 3d seismic interpretation of middle.
Advanced seismic interpretation is a course designed for graduate students. Geoteric fully utilises your mountains of seismic data and incorporates your geological understanding, to help you make the right decisions at every stage of interpretation. Interpretation of the studied 3d seismic volume shows clearly imaged normal faults dominating the shallow structure, faults at deep reflections. Well data are gotten from rock samples and measurements at depth from a wellbore. After 3d migration, a 3d data volume is suitable for derivation of the 3d subsurface geological model. Seismic interpretation training course petroskills si1. We also have at his neighboring the doualakribicampo basin which with the rio del rey constitutes a great reserve of hydrocarbon and high potential reservoirs.
For a comprehensive guide to getting the most out of seismic data this book has few competitors. The combination between well logs data and 3d seismic interpretation represent that the jurassic lower safapaleozoic form a complex horst block, which is bounded by nesw trending deepseated. Innovative petrotech solutions, inc principles of 3d seismic interpretation and applications instructor. This course provides entrylevel training in seismic interpretation and serves as a foundation for intermediate and advanced geophysicsseismic courses. This book introduces geophysicists and geologists to the technique of interpreting 3d seismic data. Conceived in 1979 and first published in 1986, the book helps geoscientists extract more information from their seismic data and improve the quality of their interpretations. Improve signal to noise ratio for optimal structural interpretation and attribute analysis. To acquire skills in interpretation of 3d seismic data to enhance theoretical knowledge of seismic structural interpretation, stratigraphic interpretation, reservoir identification and evaluation, and horizon and formation attributes. Visualization and interpretation in 3d true volume. Cambridge core solid earth geophysics 3d seismic interpretation by m. Proper design schemes are considered here to account for the nature of 3d convertedwave recording without compromising either the acoustic or. The aim of seismic data acquisition and processing is to deliver products that mimic crosssections through the earth.
This third edition is a major update of the second edition. Fault correlation, horizon tracking, horizon flattening, and some image processing techniques can be adapted to the interactive environment to help improve interpretation. The interpretation of 3d seismic data is an integral part of constructing structural geomodels of the subsurface and plays a major role in the. Seismic interpretation with deep learning by anders u. Intermediateadvanced course description this course delivers techniques related to practical analysis and interpretation of 3d seismic. With their knowledge and application, the students should be able to generate a geologica framework. In addition to providing excellent structural images, the dense sampling of a 3d survey makes it possible to map reservoir quality and the distribution of oil and gas. Increasing number of active geophones and shots, and line density, would enhance reliability of the reflections. Everyone on our team is a geoscience professional, so they know the industry and understand your issues.
We have developed an innovative 3d seismic interpretation workflow that combines fullvolume and semiautomated horizon tracking with highresolution 3d seismic stratigraphic analysis. Well data required for interpretation are wireline logs gamma ray logs, resistivity logs, porosity log, sonic logs, density logs and neutron logs or equivalent rock property model, check shot data. Reflection seismic imaging uses reflected energy to construct an image of the subsurface to investigate the underlying structure and stratigraphy. After the students have learned about these different steps in detail, they then apply this knowledge to an exercise. Acquisition, processing, and interpretation of pp and ps.
Interpret 2d seismic line sg8043402 over the hordaplatform through 3d. The interactive environment with powerful 3d visualization tools provides an efficient means for interpretation of the sheer volume of 3d migrated seismic data. At seisware, our support team is committed to ensuring you have a quality experience with us. Reservoir identification and evaluation as well as horizon and formation. Elements of 3d seismology, third edition is a thorough introduction to the acquisition, processing, and interpretation of 3d seismic data.
Principles of 3d seismic interpretation and applications. A key goal of these efforts will be to determine the relationship of microseismic activity to subtle faults and fracture systems extracted from the 3d seismic data. Pdf 3d seismic interpretation and structural modeling in the. The seismic method use acoustic waves sound to image the subsurface measure time for sound to get from surface to subsurface reflectors and back two. Basics of seismic interpretation linkedin slideshare. The report should be in pdfformat and loaded up into classfronter in the report delivery folder.
The results demonstrate that seismic measurements intended for refraction interpretation can also be successfully processed using reflection seismic processing methods. The workflow consists of converting data from seismic twoway traveltime to a relative geological time rgt volume, in which a relative geological age is. A seismic interpretation study should access the following data sets 2d or 3d seismic data cube. Topics covered in this book include basic structural interpretation and mapmaking. Simply defined, seismic interpretation is the science and art of inferring the geology at some depth from the processed seismic record. Sections dealing with interpretation have been greatly revised in accordance with improved understanding and availability of data and software. In this study, the structural system, and the seismic interpretation of middle cretaceous in jk field in southeast muglad basin were interpreted. Geological image which we can build on an oil reservoir plays an important role during its production life, from appraisal phase seismic works, exploration wells, appraisal wells to the last stage of reservoir production.
Seismic 2d reflection processing and interpretation of. Abdelaziz assistant lecturer, geology department, faculty of science helwan university, egypt. Although dry holes have been greatly reduced by 3d seismic technology, they have not been eliminated. You can communicate with us via phone, email, online chat, or if you prefer, access our online support center to view our training videos, workflow. All seismic data is subject o interpretation, and no two experts will interpret data identically.
Since the advent of 3d seismic interpretation systems, the basic workflow for interpretation of the seismic volume has been to load the segy data and well log data if available into the interpretation system, and immediately begin interpreting horizons and. The rio del rey basin is one of the more productive basin of the gulf of guinea. The seismic interpretation has been undertaken on various 2d seismic. Jura reservoir in the troll field block 312 phase 1. Pdf 3 d seismic interpretation download full pdf book. Seismic interpretation an overview sciencedirect topics. The topics it covers include basic structural interpretation and mapmaking. Base pleistocene 255,0,0 given see kurs\geo4240\data\surfaces.
While modern multichannel data have increased the quantity and quality of interpretable data, proper interpretation still requires that the interpreter draw upon his or her geological understanding to pick the most likely interpretation from the many. The participant learns to answer these and related questions by gaining an understanding of the seismic system, its limitations and pitfalls, and by interpreting 2d and 3d seismic examples of structural and stratigraphic features associated with actively producing hydrocarbon areas. This publication is the definitive, and now classic, text on the subject of interpretation of 3d seismic data. This lesson defines and describes the steps utilized in seismic interpretation.
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