Project supported by the National Key Basic Research Program of China (973 Program,Grant No.2006CB705808);the State Major Science and Technology Special Project during the 11th Five-year Plan (Grant No.2008ZX05054)
This article presents a new well test model for two-zone linear composite reservoirs, where the rock and fluid properties as well as the formation thicknesses on both sides of the discontinuity are distinctly differen...
support from the National 973 Program (Grant No. 2006CB705808);PetroChina Young and Middle Aged People Innovation Fund (Grant No. 07E1016);PetroChina Science & Technology Innovation Fund (Grant No. 2008D-5006-02-09);Science & Technology Innovation Fund of Southwest Petroleum University (Grant No. 2007XJZ010)
In view of the anisotropy,heterogeneity and stress-sensitive permeability in low permeability reservoirs,an analytical well test model was established by introducing the concept of permeability modulus.This model cons...