What preparations should be made in advance for drilling deep water wells with friction welding drill pipes?

Classification:

Industry dynamics

Release time:

2020-09-08

【Summary Description】 Friction welding drill pipe deep water wells need to detect groundwater, you can also ask geological engineering professionals to do this work.

摩擦焊钻杆

(I)

1.Friction welding drill pipeDeep water wells need to explore groundwater, you can also ask geological engineering professionals to do this work.

2, can use well drilling machine.

(II)

1. Find a low place in the high place According to the terrain, go to the valley or the terrain low place to find water. Well drillingIfIn mountainous areas, groundwater is generally gathered in valleys, or discharged from the surface to form springs; in coastal or lakeside drowning valleys, due to the concentrated infiltration of rainwater and surface water, it is possible to form freshwater lenses, which are buried in the low-lying areas of the drowning valleys, and the groundwater in sand dunes in desert areas is shallowly buried in the recesses between sand dunes.

2. Find rock layers with poor permeability in rock layers with good permeability

In mountainous areas with developed rock fissures and good water permeability(Lime area) Looking for water, due to the good permeability of rocks, the precipitation penetrates deeply along the fissures, and the groundwater is buried tens to hundreds of meters deep. There are currently some difficulties in drilling such deep wells in mountainous areas where residential areas are scattered. looking for water in such an areaFriction welding drill pipeTry to find shallow water-resisting layer or relative water-resisting layer. In this way, the water-resisting layer can prevent the groundwater seeping into the upper part from continuing to infiltrate and gathering above the water-resisting layer. This aquifer, although sometimes small in water, is shallow and can be used to meet the requirements for small settlements.

3. Find rock layers with good permeability in rock layers with poor permeability

In some mountain areas where igneous rock layers or metamorphic rocks are distributed, if there is no structural fissure development in the deep part of bedrock, its permeability is very poor, while the upper part of bedrock is weathered for a long time, forming a deep weathering crust with good fissure development and permeability. In the weathering crust and in the residual soil layer at the foot of the mountain slope, voids and fissure water are found.

4. Find concentration in dispersion

Friction welding drill pipeIn order to find water in the rock with uneven distribution of cracks, the unevenness of rock cracks should be used. Look for places where fissures are most developed, such as near dikes. Dikes are rock masses that invade the surrounding rock formations with volcanic activity or other tectonic movements. Due to the invasion of the dykes, the drilling of wells breaks the surrounding rocks, creating denser fissures and storing groundwater.

Key words:

weilida drill