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Chapter from:
AAPG Memoir 71 : Reservoir Characterization-Recent Advances
Edited by Richard A. Schatzinger and John F. Jordan
Copyright 
1999 by The American Association of
Petroleum Geologists. All rights reserved.
Memoir 71, Chapter 15: Reservoir Characterization Based on Tracer Response and Rank
Analysis of Production and Injection Rates , by Belkis T. Refunjol and Larry W. Lake ,
Pages 209 - 218
Chapter 15
Reservoir Characterization Based on Tracer Response and Rank
Analysis of Production and Injection Rates
Belkis T. Refunjol
Lagoven, S.A., PDVSA
Venezuela
Larry W. Lake
Center for Petroleum and Geosystems Engineering
The University of Texas at Austin
Austin, Texas, U.S.A.
ABSTRACT
This paper presents the results of a practical technique to determine preferential
flow trends in a reservoir. The technique is a combination of reservoir geology, tracer
data, and Spearman rank correlation coefficient analysis of injection/production rate
data. The Spearman analysis, in particular, will prove to be important because it appears
to be insightful and uses data that are prevalent when other data are nonexistent. The
technique is applied to the North Buck Draw field, Campbell County, Wyoming.
