Chapter 10

Material Balance Equation of Multilayer Gas Reservoir

Abstract

In recent years, more and more multilayer gas reservoirs have been discovered worldwide. Dynamic reserve estimation of multilayer producers is a major challenge for reservoir engineering. The material balance equation (p/Z plot) is one of the fundamental methods for reserve estimation. It is usually used in single-layer gas reservoir.

In Section 10.1, we study the applicability of the multilayer gas reservoir material balance equation for reserve estimation by single well numerical simulation. There are several parameters that are implicated in the reserve estimation of multilayer gas reservoirs, such as the connectivity between layers of the gas reservoir, the difference ...

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