Advective Displacement Method for the Characterisation of Pore Water Chemistry and Transport Properties in Claystone

Figure 1

Advective displacement apparatus, (a) technical drawing, (b) schematic, (c) rock sample (white) with titanium coupling (green) and insert (dark grey) with details of O-ring seals and capillary for fluid injection (centre) and connection to confining fluid (off-centre), (d) insert with small O-ring sealing directly on the capillary for fluid injection, and (e) core sample mounted between inserts before lowering into pressure vessel. Inner diameter of this pressure vessel is 120 mm; the diameter of the sample core is 101 mm.

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