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10 - Flow Focusing and Centroid Prediction

Published online by Cambridge University Press:  04 March 2021

Peter B. Flemings
Affiliation:
University of Texas, Austin
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Summary

I have focused on interpreting pressure in one dimension (e.g., in a well profile). However, one of the most fundamental advances in the field of pore pressure prediction in recent years is the recognition that pressure distribution varies systematically and predictably in three and even four (time) dimensions as a result of the presence of permeable and laterally continuous beds (commonly sandstones) that are encased in low permeability mudrocks. In overpressured basins, these permeable bodies provide pathways that focus flow and perturb the pore pressure distribution. This process has been termed “flow focusing,” “lateral transfer,” and the “centroid effect.”

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Information
A Concise Guide to Geopressure
Origin, Prediction, and Applications
, pp. 211 - 232
Publisher: Cambridge University Press
Print publication year: 2021

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