Using finite-system buildup analysis to investigate fractured, vugular, stimulated, and horizontal wells
Journal Article
·
· J. Pet. Technol.; (United States)
- Homar Engineering Consultants, Inc., Yuba City, CA (US)
The rectangular hyperbolic method (RHM) is a steady-state, finite-system concept that has proved to be amazingly accurate in determining final static reservoir pressure at shut-in. The method also calculates slope, skin, percentage of open reservoir thickness contributing to flow, effective drainage radius, and permeability. It apparently also gives reasonable answers in horizontal-well buildups. It has been found that all wellbore reservoir pressure buildups after al wellbore and storage effects have died out follow rectangular hyperbolic curves. The analysis is based solely on Darcy's steady-state radial-flow equation, the basic transient-pressure-buildup equation, and the determination of effective drainage radius from t/sub m//..mu.. in an empirical equation based on field data obtained from the literature. The RHM is not related to any method based on an infinite-system concept.
- OSTI ID:
- 6470104
- Journal Information:
- J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 40:10; ISSN JPTJA
- Country of Publication:
- United States
- Language:
- English
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