Assessing the transport and fate of MTBE amended petroleum hydrocarbons in the UK Chalk aquifer

solinst petroeum fuel formulations downhole geophysical fracture logging verticle hydraulic profiling multilevel sampling verticle solute profiles distribution of contaminants image

G P Wealthall, S F Thornton and D N Lerner
Groundwater Protection and Restoration Group,
University of Sheffield, UK


The Chalk Aquifer

The Chalk aquifer can be conceptualised as a dual-porosity system, with flow and transport occurring primarily in a pervasive high-transmissivity fracture network, and the bulk of groundwater being stored in the low-transmissivity porous matrix: