Thermally-Induced Wellbore Storage Effects

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Abstract/Contents

Abstract
Wellbore storage has always been attributed to the pressure changes occurring in the well. This paper shows that wellbore storage is also affected by the temperature changes that result from flow in the well. The inner boundary condition of the diffusivity equation for a single phase well in an infinite radial reservoir is stated so as to include a wellbore storage term depending on temperature changes. Using Laplace inversion methods, an exact solution describing the pressure behavior of the fluid in the system was sought. However, due to the form of the term describing temperature changes in the wellbore, this is shown not to be possible. Nonetheless, the problem is set up to be solved numerically using the STEHFEIST algorithm. Two phase systems were also considered and the inner boundary condition describing such a case was also set up. Then several examples of two phase systems were mentioned where the importance of temperature changes is apparent.

Description

Type of resource text
Date created October 1980

Creators/Contributors

Author Araktingi, Udo
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
Araktingi, Udo. (1980). Thermally-Induced Wellbore Storage Effects. Stanford Digital Repository. Available at: https://purl.stanford.edu/ww476xd0644

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Master's Theses, Doerr School of Sustainability

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