At its most basic level, seismic interpretation involves correlating two primary types of geologic surfaces. Seismic interpretation and 3d structural modeling generate a regionally accurate image of the subsurface of wadi field revealing a variety of structures. Abdelaziz assistant lecturer, geology department, faculty of science helwan university. Basics of seismic interpretation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The depth structural maps served as the base for the gross depositional environment mapping, whereas the 2d seismic line interpretation is used for the 2d basin. In seismic interpretation, the reflection coefficient rc of two different rocks depends on the difference between their seismic impedance and this depends mostly on the pwave velocity in the rock. This course provides entrylevel training in seismic interpretation and serves as a foundation for intermediate and. Basic geophysics, seismic fundamentals and 3d seismic exploration.
The first twothirds of the text consists of chapters on seismic waves, data acquisition and processing, the use of welldata. See mathematical details in the seismic basics in 5 pages on page 5. Feb 14, 2011 seismic interpretation, whether for hydrocarbon exploration or geotechnical studies, is the determination of the geological significance of seismic data. Combine potent interpretation power with exciting visualization and pointandclick convenience. Usually we analyze p wave refraction data, but s wave data occasionally recorded. Introduction to seismic interpretation rps training.
Seismic interpreters can be geologists, geophysicists, and even engineers. Be able to interpret horizons and faults on seismic data. Basics of exploration seismic experiments and data processing, basics of traveltime tomography and basics of waveform tomography. Insight into sea level effects, geomorphology and associated reservoir quality abidin b.
He is an adjunct professor at clemson university and was formerly a research associate professor at the university of south carolina. Seismic interpretation, whether for hydrocarbon exploration or geotechnical studies, is the determination of the geological. Seismic interpretation and 3d structural modeling generate a regionally accurate image of the. Introduction to seismic interpretation linkedin slideshare. Geophysicists and geologists who are already familiar with 2d seismic exploration fundamentals will find this course useful to expand that knowledge to 3d. 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. Four case studies make up almost the entire last third. Seismic data processing geos 469569 spring 2006 geos 469569 is a mix of digital filtering theory and practical applications of digital techniques to assemble and enhance images of. Four case studies make up almost the entire last third of the book. Basics of exploration seismology and tomography pdf 20p covered topics.
Seismic basics in 5 pages university of saskatchewan. This longstanding basic seismic course has added value for new hires, those switching to a seismicbased role, for geotechs and petroleum engineers. Seismic interpretation, niger delta, hydrocarbon, growth faults, horizons. In this study, the hydrocarbon potential of xyfield in. The seismic data written to tape in the dog house, whether on land or at sea, are not ideal for interpretation. First, we manually annotate the available opensource seismic datasets and present a seismic pattern interpretation. Basics of seismic interpretation pdf free download. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Be able to identify interpretation problems and pitfalls. Seismic interpretation an overview sciencedirect topics. Basics of seismic interpretation the lesson uses the basics seismic reflection principles, and allows the student to apply them to interpret a geologic framework, conduct a data analysis, prospect for hydrocarbons, and then assess whether the basin should be bid on and provide an economic analysis. W7 well logs and synthetic seismograms, seismic well calibration 10. Developing a seismic pattern interpretation network spinet for automated seismic interpretation. D dissertation explained basic data and aid data used to.
Every point on the wave front is a source of a new wave that travels out of it in the form of spherical shells. Solving interpretation problems using machine learning on multi attribute, sample based seismic data duration. This book begins with an introduction that is more philosophical than technical, followed by five chapters on fundamentals of reflection seismic titled seismic response, seismic attributes. Mcquillin and a great selection of related books, art and collectibles available now at. To be effective, it is necessary to teach geologists and engineers a bit of geophysics, and geophysicists and engineers a bit of. Seismic data interpretation and evaluation for hydrocarbon. Extract the best possible interpretation analysis from your seismic data. Simply defined, seismic interpretation is the science and art of inferring the geology at some depth from the processed seismic record. Developing a seismic pattern interpretation network spinet. The variation in the amplitude of a seismic reflection with angle of incidence or sourcegeophone distance.
Pdf integrated seismic interpretation, offshore peninsular malaysia. This course provides entrylevel training in seismic interpretation and serves as a foundation for intermediate and advanced geophysics seismic courses. A seismic interpretation study should access the following data sets 2d or 3d seismic data cube. Seismic data processing geos 469569 spring 2006 geos 469569 is a mix of digital filtering theory and practical applications of digital techniques to assemble and enhance images of subsurface geology. Basic principles of the seismic method tu delft ocw. Basics of seismic interpretation incorporated research. Interpretation of any data, especially seismic data in petroleum exploration, needs to be. Basics of exploration seismic experiments and data processing, basics of traveltime tomography and. 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. Therefore, this chapter is a revisit to the basics of seismic wave.
Enwenode onajite, in seismic data analysis techniques in hydrocarbon exploration, 2014. Interpretation turns large investments in acquisition and processing. Pdf quantitative use of seismic attributes for reservoir. Seismic 2d reflection processing and interpretation of. Seismic interpretation basics seismic interpretation, whether for hydrocarbon exploration or geotechnical studies, is the determination of the geological significance of seismic data. The sequence in which these tasks are performed is commonly referred to. Introduction to petroleum geology and geophysics geophysical methods in hydrocarbon exploration geo4210.
The lesson uses the basics seismic reflection principles, and allows the student to apply them to interpret a geologic framework, conduct a data analysis. Basic geophysics, seismic fundamentals and 3d seismic exploration by r. In the earth, seismic waves can propagate as longitudinal p or as shear s waves. Aug 31, 2017 solving interpretation problems using machine learning on multi attribute, sample based seismic data duration. He has extensive experience in subsurface mapping, seismic stratigraphy, sequence stratigraphy, seismic interpretation, petroleum geology, and geophysics. Depends on changes in velocity, density, and poissons ratio i. Well data are gotten from rock samples and measurements at depth from a. All interpretation projects include a number of tasks which must be completed in order to meet project objectives. 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. Formerly, a book, now available on cdrom, this title was written to be an introduction to the geologic interpretation of seismic data. Fred schroeder, retired from exxonexxonmobil presented on august 3, 2017. Structural interpretation of seismic data from an xy field, onshore. Developing a seismic pattern interpretation network.
This volume should be highly useful for an introductory graduatelevel class, but i would also recommend it to anyone wanting to quickly come up to speed on the basics of 3d seismic interpretation. In practice, most interpreters use instantaneous amplitude, or some variation of an amplitude attribute, as their primary diagnostic tool. Seismic interpretation is a critical step in evaluating the subsurface. Analysis of seismic refraction data is primarily based on interpretation of critical refraction travel times. An introduction to seismic interpretation pdf free download. Pdf geological interpretation of reflection seismic data. The wave phenomena occurring at a boundary between two layers are discussed, such as snells law, re.
The lesson uses the basics seismic reflection principles, and allows the student to apply them to interpret a geologic framework, conduct a data analysis, prospect for hydrocarbons, and then assess whether the basin should be bid on and provide an economic analysis. If you continue browsing the site, you agree to the use of cookies on this website. Seismic interpretation, whether for hydrocarbon exploration or geotechnical studies, is the determination of the geological significance of seismic data. Relieve interpreters from tedious and repetitive activities so they can spend more time evaluating plays and validating findings. Basic geophysics, seismic fundamentals and 3d seismic. Pdf first steps in seismic interpretation khaled magdy. 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.
For free space, the onedimensional wave equation is derived. Seismic stratigraphic and quantitative interpretation of leonardian reefal carbonates, eastern shelf of the midland basin. Reservoir impedance contrast and direct hydrocarbon indicators. Display of seismic data and mer boundary in 3d petrel course basic seismic interpretation session 2 well tops session 2 well tops stratigraphy tools curve filling well tops discrete. Know basic concepts and practices of seismic interpretation. Structural interpretation of seismic reflection data. Seismic interpretation training course petroskills si1. In chapter 5 were showing case study of the interpretation technique from a ph.
Abdelaziz assistant lecturer, geology department, faculty of science helwan. This book begins with an introduction that is more philosophical than technical, followed by five chapters on fundamentals of reflection seismic titled seismic response, seismic attributes, velocity, migration, and resolution. Because rocks are opaque, it is very difficult to see. Digital filtering theory applies to virtually any sampled information in time e. Chapter 11 structural interpretation of seismic reflection data. 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. Quantitative use of seismic attributes for reservoir characterization. Basics of exploration seismology and tomography pdf 20p. Integrated seismic interpretation, offshore peninsular malaysia. Basic principles of the seismic method in this chapter we introduce the basic notion of seismic waves.
Combine potent interpretation power with exciting visualization and pointand. Nov 26, 2017 introduction to seismic interpretation 1. Abdelaziz assistant lecturer, geology department, faculty of science helwan university, egypt. Seismic data consists of a series of recorded wiggle traces that describe a set of echoes from interfaces between rock layers in the subsurface that have different rock properties. He is a former vice president and exploration manager of independent oil producers where he was responsible for exploration and generation of prospects for drilling as well as the risk. Correlation and mapping exercise 3d seismic grid quantified interpretation.
Schuster geology and geophysics department university of utah. Seismic stratigraphic and quantitative interpretation of. Kulbhushan1, monalisa mitra2 1kurukshetra university, kurukshetra department of geophysics haryana india pin6119. Esanda engineering seismic interpretation fundamentals. It is rare that the correctness or incorrectness of an interpretation can be ascertained, because the actual geology is rarely known in enough detail. The wave phenomena occurring at a boundary between two layers are discussed, such as snells. Seismology the study of vibrational seismic waves, earthquakes and the interior structure of the earth. Geophysicists specialized in either data acquisition, data processing, or interpretation, and who wish to broaden their understanding of the other disciplines, will also benefit from the course. To create an accurate picture of the subsurface, we must remove or at least minimize artifacts in these records related to the surface upon which the survey was performed, artifacts related to the instrumentation and procedure used. Basics of seismic interpretation linkedin slideshare. The sequence in which these tasks are performed is commonly referred to as an interpretation work flow. Oct 15, 2016 basics of seismic interpretation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This volume should be highly useful for an introductory graduatelevel class, but i would also recommend it to anyone wanting to quickly come up to speed on the basics of 3d seismic.
245 157 954 1245 1345 1325 701 364 759 1580 1297 1034 507 100 1224 848 339 66 1314 1212 1392 956 763 1091 78 888 502 507 1205 1459 306 1290 94 1434