The various explosives and accessories employed for well sinking are manufactured by Indian Explosives Ltd., Gomia. Explosives used for well sinking must have the following properties: (i) High Density: Comparatively smaller holes are drilled in well sinking and it is important that the charges should be concentrated at the bottom of the holes. (ii) High […]
Explosives Used for Well Sinking | Geography
Article shared by : 
How to Test the Yield of a Well? | Geography
Article shared by :
After a well is constructed and developed, it should be tested for its yield and the corresponding drawdown. The equipments required for conducting an yield test are: (i) A test pumping unit consisting of a submersible pump (with 3-phase motor) and a diesel generating set (since power may not be available at the time of […]
How to Measure the Water Level in a Well? | Ground Water | Geography
Article shared by :
Since the water level drops fast during the first one or two hours of the test, readings should be taken at short intervals which are gradually increased as the pumping continues. Fairly accurate measurements of water level can be made by using an electric sounder, by the wetted tape method (the steel tape is coloured […]