Rock drill buffer piston failure case

In this study, the fracture of piston for rock drill produced from case hardening steel is investigated. In order to study the causes of the fracture, specimens prepared from the damaged pistons were subject. [pdf]

Mars drilling rig

The initial development was designed to recover about 500 million barrels of oil equivalent (Mboe). The cost of the development for the initial project phase was approximately $1bn. Out of the total project cost. [pdf]