A New Method for Predicting the Permeability of Sandstone in Deep Reservoirs

Table 2

Related effort of every input in estimating the permeability according to the sensitivity analysis and correlation coefficient notion.

Input variables	Parameters	Correlation coefficient ()	Relative contribution (%)	Rank no.
X1	Porosity	0.3314	4.5097	4
X2	Swanson parameter	0.9169	27.5106	2
X3	Capillary parachor parameter	0.9685	39.1604	1
X4		0.2587	2.5836	6
X5		0.1088	2.9899	5
X6		0.9092	23.2458	3