RC drilling companies have developed reliable and high quality mineral sampling drilling techniques. Using dual pipe drilling, they have achieved very high efficiency and accurate sampling. Compressed air is used to clear the cutting bits. The samples collected are free from contamination. Traditional cross-over or center-sample drilling system is used based on the site geography. Uncontaminated and accurate sample is obtained using center-sample drilling technique.
A large volume of mineral sample can be collected using this drilling rig. The large diameter hole offers more benefits for such exploration projects. It is especially useful for exploring locations where water is expensive or not available. It is considered an eco-friendly ground drilling technique due to its use of less water. Its faster rate of penetration gives it an advantage over other drilling methods. Penetration rate can exceed 80 meters per shift based on the ground condition. It results in significant cost savings when compared to slower ground drilling methods.