Inogadzira iyo ODEX Eccentric Overburden Drilling System, kutanga neODEX90 kuti ikwane 114mm OD casings.Iyi-zvidimbu zviviri system inosanganisira shank bit holder uye eccentric pilot bit iyo inochengetedzwa mubhiti inobata nepini yakapetwa kaviri.Izvi zvinobviswa zviri nyore kuti zvibvumire bit vari kurodza kana kutsiva.JCDRILL ODEX overburden drilling masisitimu anoshandiswa zvakanyanya mumhando dzakasiyana dzekushandisa kubva pakuchera matsime uye mugodhi kusvika padombo anchoring uye saiti kuongorora.