Seismic 2d reflection processing and interpretation of. Practical seismic interpretation pdf free download. The basis of seismic structural analysis is structural interpretation of seismic data. Seismic attributes, seismic geomorphology, local structural dip 1. Seismic data have a few advantages over other data sets. Welltie analysis is a starting point for mapping facies and geology observed at well locations into.
As one of the first books to present such a comprehensive treatment of the topic, seismic analysis of structures is ideal for postgraduates and researchers in earthquake engineering, structural dynamics, and geotechnical earthquake engineering. Other data sets, such as well and potential field data, are also used to unravel the geologic structure and history, most commonly to support reflection seismic data. In a seismic interpretation experiment by macrae et al. It is a common practice for a geoscientist to conduct stratigraphic and structural interpretation on the seismic data, be it a 2d or 3d. To acquire basic skills in interpretation of 2d3d seismic data to gain theoretical knowledge of seismic. Mechanostratigraphy vs structural style interpretation strategy workstation tips. Seismic attribute analysis for reservoir characterization. Nevertheless, the objective in the present case study is the investigation of stratigraphic features within the reservoir zone, and as such, the time horizons shown in figure 7. Course overview structural interpretation of seismic data file.
Structural interpretation of seismic data of abu rudeissidri. Structural mechanics to seismic interpretation technical content the course consists of 3 days of workshop based material, day 1 fault zone processes, day 2 introduction to geomechanics, day 3 structural interpretation of seismic data uncertainty in seismic interpretation and attribute analysis. Structural interpretation of seismic reflection data. The importance of structural model availability on seismic. Psa seismic structural interpretation, on the identification of possible causes in the formation of gas chimneys in colombias offshore. Pdf on jan 1, 20, olaburaimo ao and others published 3d seismic structural interpretation of a part of aloofield, southwestern niger delta. Based on the well to seismic ties two horizons were identified in the seismic sections. Normally this is done by studying some of each of the three orthogonal slices through the vo. Graham and trotman seismic reflection interpretation has been well served with texts. Other data sets, such as well and potential field data, are also used to unravel the geologic structure and history, most. Data analysis and interpretation was done using smt. Representing a compilation of examples for different types of geological structures, atlas of structural. Because rocks are opaque, it is very difficult to see.
Structural interpretation of seismic data from an xy field. Intergrated seismic stratigraphic and structural analysis. Seismic attribute, reservoir characterization, thickness and porosity introduction seismic attributes have been increasingly used in both exploration and reservoir characterization studies and routinely been integrated in the seismic interpretation processes partyka et al. Seismic interpretation, niger delta, hydrocarbon, growth faults, horizons. Pdf structural interpretation of seismic data in the south of. To acquire basic skills in interpretation of 2d3d seismic data to gain theoretical knowledge of seismic structural interpretation, stratigraphic interpretation, reservoir identification and evaluation, and horizon and formation attributes.
The second step of the structural interpretation procedure is to transfer the fault pattern defined by coherency data to the associated 3d seismic wiggletrace data volume. Basics of seismic interpretation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. View structural geology and seismic interpretation research papers on academia. Psa seismicstructural interpretation, on the identification of possible causes in the formation of gas chimneys in colombias offshore tatiana mayorga1, andres e. 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. Seismic data is not 100% convincing if it is to stand alone. Seismic interpreters can be geologists, geophysicists, and even engineers. To be effective, it is necessary to teach geologists and engineers a bit of geophysics, and geophysicists and engineers a bit of. Seismic attributes and their applications in seismic. This would be a great textbook for an introduction to seismic interpretation course that focuses on the geology side, or a great reference manual for geoscientists or perhaps even engineers who are working with seismic data probably in the petroleum industry, but also in academia, or the environmental industry. Four case studies make up almost the entire last third.
Basics of seismic interpretation linkedin slideshare. Intergrated seismic stratigraphic and structural analysis of. Structural seismic interpretation is directed toward the creation of structural maps of. The interpretation of faults and structure at the seismic scale is made by the seismic interpreter whereas the production geologist analyzes the structures from core and log data. Seismic data interpretation seismic data interpretation. Structural seismic interpretation is directed toward the creation of structural maps of the subsurface from the observed threedimensional configuration of arrival times. Graham and trotman seismic reflection interpretation has been well served with texts in recent years, but this book is notable in presenting plenty of casehistory material. This aapg memoir 111 sets out to understand more about the convergence of geology, 3d thinking, and software, which collectively provide the basis for truly effective interpretation strategies. Seismic structural interpretation involves highlighting and extracting faults and horizons that are apparent as geometric features in a seismic image.
A structural interpretation session normally would include explicit delineation of fault framework. The seismic section was used for seismic stratigraphic and structural analysis while the wire line logs were used in identifying the lithology and for the performing seismic well tie. A seismicstructural interpretation, on the identification. 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. Finally, the chapter describes a suite of interpretation pitfalls that any interpreter of.
In this study, the hydrocarbon potential of xyfield in onshore. Insight into sea level effects, geomorphology and associated reservoir quality abidin b. A great many terms jargon are defined here in a way that will help a variety of. Insight into sea level effects, geomorphology and associated reservoir quality.
Seismic interpretation training course petroskills si1. The structural interpretation of seismic data is a challenging task, where the quality. Thus, availability of wells data and core plugs or core logs. Seismic stratigraphic and quantitative interpretation of. If you continue browsing the site, you agree to the use of cookies on this website. Structural geology and seismic interpretation research papers. Arcgis polar plots were used to display variables, which. Structural interpretation of seismic images from off. Seismic design specification for buildings, structures, equipment, and systems. W7 well logs and synthetic seismograms, seismic well calibration 10. Formerly, a book, now available on cdrom, this title was written to be an introduction to the geologic interpretation of seismic data. The 3d seismic interpreter works with a volume of data.
It is a common practice for a geoscientist to conduct stratigraphic and structural interpretation on the seismic data, be it a 2d or 3d seismic dataset. The interpretation was done using commercial petrel software. Summary the basis of seismic structural analysis is structural interpretation of seismic data. Structural balancing vs horizon flattening on structure. This is the second volume in the threevolume 2006bc structuralseismic design man ual. To acquire skills in interpretation of 3d seismic data to enhance theoretical knowledge of seismic structural.
The 2d seismic data are used for determination of the structural configurations and the tectonic features which is analyzed through the study of interpretation with the available geologic data, in which the geo seismic depth maps for the main interesting tops kareem, nukhul, matulla, raha and nubia formations are represented. Structural and seismic facies interpretation of fabi field. It is intended to provide guidance on the interpretation and use of the seismic re. A seismicstructural interpretation, on the identification of. Introduction recent development of threedimensional 3d seismic datasets enables geologists to visualize and analyze buriedlands and seascapes revealed by subsurface geophysical. Seismic attribute, reservoir characterization, thickness and porosity introduction seismic attributes have been increasingly used in both exploration and reservoir characterization studies and. Advanced seismic interpretation is a course designed for graduate students. The two horizons in the inline seismic section occurred at the levels of 2120ms. Seismic attribute analysis in structural interpretation of. Structural mechanics to turnstone seismic interpretation.
Ppt structural interpretation of seismic data kamal. Chapter 11 structural interpretation of seismic reflection data. Representing a compilation of examples for different types of geological structures, atlas of structural geological interpretation from seismic images is a quick guide to finding analogous structures. Having established a fault framework for a field, it is important to know whether or not fluid flow communication occurs across the faults. Seismic interpretation is the thoughtful procedure of separating these effects. Atlas of structural geological interpretation from seismic. Structural geology in seismic interpretation by shankar mitra, university of oklahoma.
The course is designed for geophysicists working on seismic interpretation of complex structures, who need to understand the seismic expression of structures in petroleum basins, and correctly apply structural models and techniques to seismic interpretation. Structural interpretation of seismic data from an xy field, onshore. Rockphysicsassisted welltie analysis for structural. The 2d seismic data are used for determination of the structural configurations and the tectonic features which is analyzed through the study of interpretation with the available geologic data, in which the geo. Instructional material complementing fema 451, design examples seismic load analysis 9 17 1a, 1b stiffness soft story irregularity vertical structural irregularities irregularity 1a exists if stiffness of any story is less than 70% of the stiffness of the story above or less than 80% of the average stiffness of the three stories above. This work was an integrated structural, seismic facies and stratigraphic study conducted in the fabi field, onshore western niger delta, and targeted at improving the present understanding of the structural development, sequence stratigraphic history. It also shows seismic images in black and white print and covers compression related structures. Seismic 2d reflection processing and interpretation of shallow refraction data abstract posiva oy takes care of the final disposal of spent nuclear fuel in finland. Learning from the 20 3d interpretation hedberg conference. Welltie analysis is a starting point for mapping facies and geology observed at well locations into seismic volumes. Developed for classroom use, the book can also be used for advanced undergraduate students planning for a career or further study in the subject area. Nevertheless, the objective in the present case study is the investigation of stratigraphic features. It has been developed and funded by the structural.
Structural interpretation of seismic data of abu rudeis. The interpretation process can be subdivided into three interrelated categories. An introduction to seismic interpretation pdf free download. The structural interpretation of the seismic data is presented in figures 4 and 5. The seismic wavelet starts as the pulse of seismic energy, which, generated by the energy source, travels down through the earth, is reflected and travels back up to the surface receivers carrying the geological information with it. Pdf seismic structural interpretation involves highlighting and extracting faults and horizons that are apparent as geometric features in a seismic. Pdf 3d seismic structural interpretation of a part of aloofield. Stratigraphic traps are generally subtler and difficult to recognize on seismic sections as opposed to structural traps. It should appeal to all geologic interpreters, and especially those who investigate and teach interpretation skills. This work was an integrated structural, seismic facies and stratigraphic study conducted in the fabi field, onshore western niger delta, and targeted at improving the present understanding of the structural. The course is designed for geophysicists working on seismic interpretation of complex structures, who need to. Petrel structural interpretation improves the understanding of structure and delineation of fault and fracture networks through various advanced edge detection and illumination attributes including ant.
Seismic design specification for buildings, structures. Seismic interpreters can be geologists, geophysicists, and. Psa seismicstructural interpretation, on the identification of possible causes in the formation of gas chimneys in colombias offshore. Seismic structural analysis atlas of structural geological. The seismic wavelet starts as the pulse of seismic energy, which, generated by the energy source, travels down through the earth.
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