E hlahisa ODEX Eccentric Overburden Drilling System, ho qala ka ODEX90 ho lumellana le 114mm OD casings.Sistimi ena e nang le likarolo tse peli e na le "shank bit holder" le "eccentric pilot bit" e sirelelitsoeng ka har'a sets'oants'o ka phini e kenang habeli.Sena se tlosoa habonolo ho lumella hore bit ba be bohale kapa ba nke sebaka.Mekhoa ea ho cheka ka boima bo feteletseng ea JCDRILL ODEX e sebelisoa haholo lits'ebetsong tse fapaneng ho tloha ho cheka seliba le merafong ho ea ho anchoring ea majoe le lipatlisiso tsa sebaka.