Abstract A deep ice core was drilled at Dome A, Antarctic Plateau, East Antarctica, which started with the installation of a casing in January 2012 and reached 800.8 m 2017. To date, total 337 successful ice-core drilling runs have been conducted, including 118 to drill pilot hole. The time 52 days, eight days were required for down reaming hole, 44 coring. average penetration depths individual...

Abstract The PROTEUS project involves the construction of a self-propelled and floating amphibious machine for near shore geological surveys. In this context, development wireline core drilling device was tackled, evolving with respect to existing models responding specificities new application. preliminary phase, comparative research carried out both through market reverse engineering activiti...