Interference Well Test Analysis For a Naturally Fractured Reservoir
Abstract/Contents
- Abstract
- Interference well test analysis for a naturally fractured reservoir is presented, based on the model presented by Warren and Root for a two-porosity medium: an orthogonal grid of continuous fracture is super-imposed on the matrix system; flow to the wellbore occurs through the fractures only; and flow from the matrix t o the fractures is assumed to be pseudosteady-state. Solutions obtained in Laplace space are inverted using the Stehfest (1970) numerical algorithm. The accuracy of the inverter, as well as some of the assumptions of the model, are reviewed. A comparison with previously published data revealed substantial differences for early times. Results are presented i n tabular and graphical form. Log-log graphs of dimensionless pressure versus dimensionless time are provided for a well produced at either constant rate or constant pressure, in an infinitely large formation. A correlation for the case of a constant flow-rate producing well facilitates the graphical presentation of the results, and two large-scale type-curves of practical use are also provided.The inadequacy of any equivalent homogeneous reservoir model to describe early time behavior is outlined, and recommendations for test design are proposed to support the diagnosis. The material presented can be used to match field test data or to forecast pressure as a function of time.
Description
| Type of resource | text |
|---|---|
| Date created | June 1980 |
Creators/Contributors
| Author | Deruyck, Bruno Guy |
|---|---|
| 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 |
Bibliographic information
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Preferred citation
- Preferred Citation
- Deruyck, Bruno Guy. (1980). Interference Well Test Analysis For a Naturally Fractured Reservoir. Stanford Digital Repository. Available at: https://purl.stanford.edu/qz409bc6646
Collection
Master's Theses, Doerr School of Sustainability
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