The first stage of drilling proper is drilling a hole of some 300-500 feet, or 100-250 meters, whose aim is to first seal off the well from the surface aquifers in the area and stabilize the top ...

Today, deep-hole drilling is a collective name for methods for the machining of both short and deep holes. Deep-hole drilling is the preferred method for drilling hole depths of more than 10 times the ...

Transocean Ltd.’s RIG semi-submersible drilling rig, Transocean Barents, is making its way to the Neptun Deep project for a 10-well drilling mission, marking a significant phase in Romania’s ...