RMZ – MATERIALI IN GEOOKOLJE

420 Adewale, A., Olawale, O. O., Martins, O. M.ble made from thick filter papersloaded in the main chamber of theapparatus and placed on a flask containingthe extraction solvent. Thesolvent is heated to reflux, releasingits vapour to travel up the distillationarm. A condenser ensures thatthe solvent vapour cools and dripsback into the chamber housing thetar materials. The chamber containingthe solid material is slowly filledwith the warm solvent. When theSoxhlet chamber is almost filled, it isautomatically emptied by siphon sidearm with the solvent running downinto the distillation flask. This cycleis allowed to repeat many times, overhours or days.Results and discussionElectrical resistivity method has foundwide and successful application both insurface and borehole measurements todifferentiate hydrocarbon saturated regionfrom saline water saturated sandon the account of very high resistivitysignature of hydrocarbon pore fluidsthat are incapable of ionic conduction(Winsauer et al, 1952). Representativeresistivity VES curves obtained after1-d inversion of the field data are presentedin figure 3 (a–c). The interpretationof the resistivity layered parameterswas constrained by core and drillcuttings information from a drilledborehole from where samples werea)RMZ-M&G 2012, 59