Analyzing Rate Data from Permanent Downhole Gauges

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Abstract/Contents

Abstract
The wavelet processing algorithms developed for processing permanent downhole pressure data by Athichanagorn et al. (2002) and further improved by Khong (2001) were investigated for their suitability in processing permanent downhole rate data. An important difference was observed in the processing of step outliers between pressure and rate data. Four new approaches for accurate and reliable identification of transient breakpoints were investigated. The possibility of rate data aiding in improved transient identification was also investigated in one of the new methods. A significant improvement in screening out small or false breakpoints while retaining the true breakpoints was observed in some of the methods. Further, the impact of continuous rate data measurements on well test interpretation was investigated.

Description

Type of resource text
Date created June 2005

Creators/Contributors

Author Rai, Himansu
Primary advisor Horne, Roland N.
Degree granting institution Stanford University, Department of Petroleum Engineering

Subjects

Subject School of Earth Energy & Environmental Sciences
Genre Thesis

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User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

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Preferred Citation
Rai, Himansu. (2005). Analyzing Rate Data from Permanent Downhole Gauges. Stanford Digital Repository. Available at: https://purl.stanford.edu/zc108qs4757

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Master's Theses, Doerr School of Sustainability

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