Composition Optimization of Glass-Like Casing and Its Novel Application in Mending Instable Borehole Wall

Figure 4

SEM micrographs of (a) RM, (b) , (c) , (d) , (e) , (f) , (g) , (h) , and (i) .

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)