This study has been conducted to find out the aquifer characteristics of Bagerhat Sadar and adjacent areas in Bangladesh using geoelectrical resistivity method and borehole logs. The interpretation of resistivity soundings (14 nos.) shows that the sub-surface lithological sequence can be divided into four geoelectric units. The deepest geoelectric unit (with resistivity from 8 Ohm-m to 18 Ohm-m) represents the deep aquifer with usually fresh water. Resistivity values of 12 ?m or more for this unit may indicate formation water as acceptable for coastal people. In the study area, the shallow aquifer inferred is not suitable for groundwater development.
The Semutang structure is an elongated NNW-SSE orientated anticline situated in the eastern Chittagong fold belt of the Bengal basin. The aim of the present study is to interpret the stratigraphy and structure of the Semutang area based on the analyses of a combination of geophysical well logs and 2-D seismic data set as well as the reservoir characterization using complex-trace attributes. The main seismic reflector (top of the upper gas sand) was picked, mapped and interpreted. Some direct hydrocarbon indicators (DHIs) deduced from complex-trace attributes analysis show the potentiality of the study area.
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