Crust 1 rig system drills 7 km borehole into the earth crust

Jun 5, 2018

The land-based rig, jointly developed by Jilin University and Sichuan-based Honghua Group, did the drill in the Singliao basin in northeast China. It can dig as deep as 10 km and plans are to increase drilling capacity to 15 km depth. CAS news release, June 5,...