Transient Rate and Pressure Test Analysis

Definition - What does Transient Rate and Pressure Test Analysis mean?

Transient Rate and Pressure Test Analysis is a practical method used to examine the conditions of a well and the characteristics of a reservoir. The test is carried out when the well is flowing at variable rates. The analysis also plays an essential role in calculating the value of convolution and de-convolution so as to correct the flow rate variations. The method is an alternative to traditional methods of evaluating pressure at mid-perforation depth.

Petropedia explains Transient Rate and Pressure Test Analysis

Transient Rate and Pressure Test Analysis is done to observe the fluctuation in transient rate and pressure with flow variations. It is done over a particular period to estimate some essential parameters of a reservoir such as skin, permeability, storativity, and non-darcy coefficient. Moreover, it is also applied to correct the after flow of the well during the development stage. It is advantageous as it enhances completion efficiency, optimizes the asset potential and provides a deep understanding of the reservoir. During the analysis, a high-resolution pressure gauge is required at the wellhead to reduce the effect of temperature at the surface.

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