What are the precautions for water well drilling rig construction:
There are many things that must be paid attention to during the construction of water well drilling rigs. Below, UNIQUE GROUP will introduce the following points to you. I hope it will be helpful to friends who are drilling wells.
1. The foundation trench of the water well drilling rig should be excavated according to a stable slope. In particular, the formation that is prone to collapse must be dug into a stepped shape to ensure stable production of the formation.
2. When the wellbore of the water well drilling rig sinks, it needs to operate smoothly, try to avoid inclination of the wellbore, and correct problems in a timely manner if problems are found.
3. When the water well drilling rig adopts the drainage method to drill, the water level in the caisson should decrease as the wellbore sinks. Generally, it needs to be controlled at about 0.5-1m below the excavation surface.
4.After the water well drilling rig completes the well, it is necessary to perform drainage operations to test the production quality of the water well drilling rig. It requires a large drawdown and water pumping. The stability of the water level needs to be maintained for about 8 hours. The purpose of this is mainly to ensure the water level and outflow of the well.