Find out the radius of investigation of a particular DST in an infinite radial flow system using Van Poollen equation, given flow time = 120 min, c=2, μ = 0.8 cp, k=50md, Φ = 28 %?

Find out the radius of investigation of a particular DST in an infini

1.	Find out the radius of investigation of a particular DST in an infinite radial flow system using Van Poollen equation, given flow time = 120 min, c=2, μ = 0.8 cp, k=50md, Φ = 28 %?
A.	0.48219 ft
B.	0.5584 ft
C.	0.2235 ft
D.	0.4234 ft
Answer» E.