For the reservoir from continental sedimentation water saturation of the oil bearingzone should be derived from irreducible water resistivity.
对陆相沉积油藏而言,只有用束缚水电阻率求解油层的含水饱和度才是正确的。
2
NMR Logging can provide accurate values of irreducible liquid, movable liquid, effective porosity and permeability, and also identify the tight zone, waterzone and gas-bearing zone.