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@@ -20,9 +20,16 @@
 
 = Introduction
 
-Flow in porous subsurface structures often is dominated by low velocity and high viscous fluids with low Reynolds numbers,
-often referred to as Stokes flow or creeping flow.
-It occurs when the viscous forces are significantly larger compared to inertial forces.
+Flow in porous subsurface structures often is dominated by extremely low velocity and high viscous fluids with low Reynolds numbers $"Re" << 1$.
+In such a condition, the flow enters a state called the Stokes Flow or creeping flow, where inertial forces can be assumed to be zero and viscous
+forces dominate the whole connected set.
+This kind of flow is found in geological processes, in carbohydrate recovery, filtration systems and CO_2 storage where the pore-scale motion
+of particles and their interaction with the surrounding porous medium strongly influence macroscopic properties such as the permeability of
+rock layers.
+Undestanding particle transport, bridging and in general clogging phenomena is critical for the effective use and management of subsurface
+reservoirs.
+The tiniest changes can alter the established path in a porous geometry and transport behaviour over time.
+Thus, the behaviour of individual particles in Stokes Flow form the 
 For the understanding of porous media, where particle transport, bridging and clogging phenomena are critical to the use of subsurface
 reservoirs. Be it either for carbohydrate resource recovery or storage of CO2. Understanding the behaviour of particles in Stokes flow
 is key to analyzing more complex phenomena emerging over time such as permeability reduction over periods of time.\
@@ -150,7 +157,8 @@ The arches resulting from clogging are often inherently unstable, but with the p
 Which in turn makes a stochastic analysis of particles in different conditions@laurez2025bridging based on different widths feasible.
 
 Laurez@laurez2025bridging goes into detail based on CITE FIG how probable clogging mechanisms are, while these are quite indepth, opportunities
-in relation to multiphase behaviour and 
+in relation to multiphase fluid interaction with the solid structures.
+An interesting case 
 
 
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