Abstract
AbstractFluid flow within oil‐bed causes many changes, such as oil saturation reducing, fluid pressure decreasing, and gas‐free during oil field production. These changes lead to responses of time lapse seismic data. The time lapse seismic data can reveal fluid flow, and offer evidence to divide the fluid flow unit in reservoir. Amplitude and extent of difference show the quality and range of fluid flow units, and fluid flows in the same unit. We analyzed and proved theoretically the feasibility of using time lapse seismic to divide flow units.
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