A permeability prediction method based on pore structure and lithofacies

GAN Lideng,WANG Yaojun,LUO Xianzhe,ZHANG Ming,LI Xianbin,DAI Xiaofeng,YANG Hao

Table 2 Effect of lithofacies classification accuracy on facies-constrained permeability prediction.

Parameters	Prediction method	MSE		Prediction method	Well FUD7		Well FUD6
Parameters	Prediction method	Well FUD7	Well FUD6	Prediction method	Accuracy of facies classification	MSE	Accuracy of facies classification	MSE
Porosity	Conventional lithofacies identification	0.938 7	1.296 14	SVM	0.703 3	0.958 7	0.482 3	2.488 0
Porosity, P-wave velocity and V_p/V_S ratio		0.892 4	0.954 2		0.698 5	0.958 8	0.513 2	2.468 5
Porosity, P-wave velocity, V_p/V_S ratio and flexibility		0.672 1	0.894 3		0.707 8	0.958 7	0.646 3	2.062 7