Abstract:

This paper presented the bottom pressure performance with the three kinds of boundary conditions (infinite outer boundary, closed outer boundary, constant pressure outer boundary)and the two kinds of inner boundary conditions(wellbore storage and skin effects) in multiplier reservoirs without
cross-flow. A general formula of the corresponding Laplace space solution was not only derived from the complete analysis, but the special cases were also discussed.the results of the research shows: the theory of the multilayer well test presented in the paper has an important significance to program the application software.

Key words: multiplier reservoirs, boundary condition, Laplace space solution, general formula