Earth-Tide Effects on Downhole Pressure Measurements

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Abstract/Contents

Abstract
Earth-tide effects have been used to derive reservoir parameters by hydrologists and petroleum engineers. Most of the work done on this subject ignores the effect of dilatation of the matrix structure due to earth tides on downhole pressure response. In this work, we derive an equation which considers the effect of dilatation of matrix structure due to earth tides on downhole pressure measurements. We consider a few reservoir models and obtain the expected pressure response to earth tides for simple configurations. We compare our results with results which do not consider the effect of dilatation of the matrix structure. Field data which shows the effect of earth tides on downhole pressure measurements is processed to derive estimates of reservoir parameters using this method.

Description

Type of resource text
Date created August 1993

Creators/Contributors

Author Dias, Edgar
Primary advisor Ramey Jr., Henry J.
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.

Preferred citation

Preferred Citation
Dias, Edgar. (1993). Earth-Tide Effects on Downhole Pressure Measurements. Stanford Digital Repository. Available at: https://purl.stanford.edu/jz665pb6455

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Master's Theses, Doerr School of Sustainability

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