1.I-Rock Drilling Eccentric Overburden Casing System iyindlela yanamuhla ekhethwayo yokubhoboza ezimeni ezinzima zomhlabathi, isibonelo, lapho kunamatshe amatshe noma amatshe axegayo.I-Eccentric casing drilling system iyisixazululo esinomnotho kakhulu ngoba uphiko lwayo oluhlakaniphile lokuvuselela ibhithi liyakwazi ukubuyiswa lungasetshenziswa emgodini olandelayo.Lokhu kuklanyelwe ikakhulukazi izimbobo ezingashoni, njengoba kuvame ukwenzeka ekumbiweni kwemithombo yamanzi, emithonjeni ye-geothermal, nasemsebenzini wokugobela okuncane okungashoni.I-EDS ilungele izimbobo ezimfushane umthwalo osindayo ohlanganisiwe.