It is a common experience that from seismic sections one can identify mostly the first order unconformity surfaces and if the data quality is too good, second order events can also be detected. However, when in the same area, well log data is studied, we start getting third order and sometimes still higher order unconformities. I just want to know the practical significance of studying multi-order sequence stratigraphy and ultimately where should we stop.
Multi –order sequence stratigraphy are very important, when one studied MFS of these multi-order sequence in a local or global correlation, and they are good indicator to local or regional transgression throughout geological time of Earth, therefore I think there are no limit end to stop. And there are many application researches for this idea.
I think that a good answer would be: it depends! In large scale exploration, it may be enough if you keep the sequence stratigraphical analysis in the lower frequency packages. But if you are working in a field development, you may need to go to higher frequencies to understand the facies distribution. In many cases, you may also find difficult to define the "end" of the stratigraphic approach (end of external controls as sea level or tectonics). In this case, you will be entering in the world of architectural element (facies associations) and sub-environment of deposition (architectural element association), "packages" that not necessarily have external control. I have a good summary of this question in the attached paper.
Article Building more realistic siliciclastic reservoir models throu...
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