Prestack depth migration psdm is a proven seismic imaging tool. In large part, this book is a compilation of notes from seismic inter pretation. Pdf attributes assisted seismic interpretation in prestack time. Pdf first steps in seismic interpretation khaled magdy. Read the latest chapters of handbook of geophysical exploration. These discrepancies are directly related to the seismic method itself, regardless of the strategy chosen for the processing, whether it is time pre. Seismic migration is the process by which seismic events are geometrically relocated in either. For psdm processing, interval velocity model building scheme is key to arrive at optimum. Seismic interpretation is an art or a skill that is acquired with experience, which i happened to attain. Attributes assisted seismic interpretation in prestack time versus. Exploration in frontier areas presents a variety of challenges in seismic data pre processing and imaging. New insights from highresolution 3d pcable seismic data along the hosgri fault, offshore california. Seismic migration is the process by which seismic events are geometrically re located in either.
Seismic attribute detection of faults and fluid pathways within an active strikeslip shear zone. Assessment of depth positioning uncertainties for psdm seismic. Seismic amplitude calibration for quantitative interpretation. Manual interaction is reduced to the selection of the number. Cmg computer modelling group is a computer software engineering and consulting firm engaged in the development, sale and technolog. A form of migration is one of the standard data processing techniques for. Seismic data interpretation and evaluation for hydrocarbon.
Calibration of seismic data to geology, often expressed in terms of well log data, is needed before quantitative interpretation qi of seismic data can be undertaken for predicting rock and fluid. Seismic migration news newspapers books scholar jstor october. Exploration in frontier areas presents a variety of challenges in seismic data preprocessing and imaging. A 3d psdm seismic line with its associated depthmigration velocity model shown. To remove the above pitfalls caused by pstm, prestack depth migration psdm, which assumes that seismic waves are propagated in straight. Pdf prestack time migration pstm has pitfalls in processing seismic data, which causes artificial features on seismic images and might.