A core drill is used to obtain core samples. Sample drilling requires using a hollow metal tube that has drill bits at its lower end. Its specially made steel tube drill is capable of drilling at fast rates. This drilling method is used to obtain uncontaminated, accurate and high quality soil and rock samples from under the ground. Large and powerful vehicle mounted drilling rig is used to drill deep in the ground. It helps retrieve the rock and soil samples for laboratory testing or visual examination.
Geo engineers, real estate developers and mineral explorers carry out ground sampling operations for underground material classification. It helps them determine the suitability of a location for a residential, industrial, recreational or mineral exploration project. Farmers and growers can determine if a particular area is suitable for pastureland. This drilling job involves collecting soil or rock samples at different depths and from different spots at the same project site. A compact or large rig is hired depending on the project requirement.