油藏物理学一天然气的高压物桂 Z=( Z<1,Va<Vi,Real gas is easily compressed than the ideal gas. Z=1,V=V,Real gas is similar to the ideal gas Z>1,VV,real gas is difficulty compressed than ideal gas.油藏物理学——天然气的高压物性 p T i a V V Z .  ( ) Z<1，Va<Vi， Real gas is easily compressed than the ideal gas. Z=1，Va=Vi， Real gas is similar to the ideal gas. Z>1，Va>Vi，real gas is difficulty compressed than ideal gas