The selection of a proper pumping set is important to ensure continued satisfactory yields from wells and the factors to be considered are: (i) Finished inside diameter and total depth of the well. (ii) Yield from the well, the desired pumping rate and hours of pumping per day. (iii) The lowest pumping water level (in […]
How to Select Proper Pumping Set? | Wells | Geography
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Top 3 Surface Methods of Geophysical Investigations | Geology
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Geophysics, in the past few years, has reached a place of vital importance to the scientific development and protection of the world’s precious ground water supply. Geophysical investigations of the buried strata can be made either from the land surface or in a drilled hole in the formation. The surface methods include: 1. Electrical Resistivity […]
Geophysical Techniques inside a Borehole | Geography
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The geophysical techniques inside a drilled hole include: 1. Electric Logging 2. Radioactive Logging 3. Induction Logging 4. Sonic Logging 5. Fluid Logging 6. Down-Hole Photography. Technique # 1. Electric Logging: A four electrode arrangement is commonly employed in measuring resistivity from bore holes similar to the four electrodes used in surface resistivity method. A […]