The growth share matrix has been blamed for persuading companies to focus obsessively on market share. In a world where markets are increasingly fluid, this can blind them to the bigger picture.
The matrix pores in coal play a little role in fluid flow, therefore the permeability derived from well test is the reflection of the percolation flow capacity in cleat system.
煤基质的孔隙性对流体流动影响极小，试井所得渗透率反映的是割理系统的渗流能力。
3
Stress sensitivity means the influence of pressure difference produced by joint working of the matrix stress and the porous fluid pressure on the porous microstructure.