def METHOD_NAME(self):
    def md2si(md):
        #millidarcy->SI
        return md * 1e-3 * 9.869233e-13
    e3dp  = self.props
    grid  = self.spe3.grid()
    permx = e3dp['PERMX']
    print('set(PERMX) = %s' % set(permx))
    # 130mD, 40mD, 20mD, and 150mD, respectively, top to bottom
    darcys = {0:md2si(130), 1:md2si(40), 2:md2si(20), 3:md2si(150)}
    for i in range(grid.nx):
        for j in range(grid.ny):
            for k in range(grid.nz):
                g_idx = grid.globalIndex(i,j,k)
                perm  = permx[g_idx]
                darcy = darcys[k]
                self.assertClose(darcy, perm)