Mineral exploration: searching for and evaluating the reserves and quality of various solid mineral resources such as gold, copper, iron, coal, lithium, etc. This is the main application area of coring drilling machines. 
Oil and gas exploration: During the exploration and evaluation stage of oil and gas fields, core samples of reservoir rocks (sandstone, carbonate rocks, etc.) are obtained to analyze key parameters such as porosity, permeability, and oil and gas saturation. 
Engineering geological survey: providing accurate foundation condition information for various civil engineering projects (buildings, roads, bridges, tunnels, dams, ports, nuclear power, etc.). 
Hydrogeological survey: Exploration of groundwater and evaluation of aquifer characteristics. 
Environmental geological survey: such as investigation of contaminated sites, obtaining samples of contaminated soil/rock layers. 
Scientific drilling: studying the deep structure of the Earth, plate tectonics, seismic mechanisms, paleoclimate, etc. (such as continental scientific drilling, oceanic scientific drilling).