Nowadays, drilling projects also use more drilling rigs, and the speed of the drilling process in this project is also very important, taking into account the various factors of the rig work, it is not suitable In the rainy season, as for the reason, now we give you the analysis. After the crane hoe is required to pump check the results, under normal circumstances to do a large drop in depth pumping, water level stability for a duration of not less than Eight hours, and the flow of the measured star water level moves. The thickness of the layer and particle size of the filter should be built to meet the design requirements, mud and sediment layer must be removed before laying.
The filter material should be screened to remove soil and side spare volume. Drilling work, to ensure smooth drainage of the construction site to avoid the rainy season.