Ikhiqiza i-ODEX Eccentric Overburden Drilling System, eqala nge-ODEX90 ukuze ifanele ama-casings angu-114mm OD.Le sistimu eneziqephu ezimbili ihlanganisa isibambi se-shank bit kanye ne-eccentric pilot bit evikelwe kusibambi sebhithi ngephinikhodi ehlanganisa kabili.Lokhu kususwa kalula ukuze kuvumeleke ukucijiswa kwebhithi noma ukushintshwa.Izinhlelo zokumba i-JCDRILL ODEX zisetshenziswa kakhulu ezinhlelweni ezehlukene kusukela ekumbiweni kwemithombo nokumbiwa kuya ekugxilweni kwamatshe kanye nophenyo lwesizinda.