Abstract
The electrical resistivity method was used to determine the groundwater potential of Ogidi and its environs. Thirteen soundings were carried out at thirteen different locations using the ABEM terrameter (SAS 1000), and adopting the Schlumberger configuration with maximum current electrode spacing of 1000 m. The lithologic logs for the boreholes were used to delineate the geologic sections. The results revealed six to nine geo-electric layers comprising laterite, clayey sandstone, sandstone, water-saturated sandstone and shale. The water-saturated sandstone forms the aquiferous unit. This unit was found to have resistivity values ranging from 363Ωm to 9107Ωm. It is deeply seated in some areas with a depth of 33.2–103 m. It was observed that the hydraulic conductivity varies between 0.001 and 0.066 m/day, while the transmissivity values vary between 0.01 and 4.7 m2/day. Among all the VES points studied, it was observed that VES 1 has the highest transmissivity value and the highest aquifer thickness. In view of the foregoing, it is expected that water will flow more from aquifer in VES 1 since groundwater flow from an aquifer is directly proportional to transmissivity.
Highlights
An adequate supply of portable water is one of the prerequisites for every type of development programme
The geophysical method used in the study area has greatly assisted in evaluating the various aquifers, aquifer parameters using vertical electrical sounding techniques
(2011) that carried out geophysical survey in Nnokwa and Alor using vertical electrical sounding (VES) technique to investigate groundwater potentials
Summary
An adequate supply of portable water is one of the prerequisites for every type of development programme. For this reason, the efforts connected with the location, development and conservation of ground water supplies are of fundamental economic importance for any country, state, local council, city, town and even community. The efforts connected with the location, development and conservation of ground water supplies are of fundamental economic importance for any country, state, local council, city, town and even community This is obvious for the arid areas of the tropical and subtropical regions where both agricultural and general development. It has become necessary to study the Journal of Petroleum Exploration and Production (2021) 11:1053–1067 groundwater resource potentials of Ogidi and its environs in order to meet the projected water demand of the communities within a stipulated time frame
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