滚轮稳定器：(WG型)用于各种铰孔作业,在研磨地层做稳定器用。根据不同的地层硬度，可分别选用铣齿滚轮、平齿点滚轮和镶齿滚轮。滚轮稳定器技术参数SpecifieationofRollerReamer型号Type***大外径MaxO．D．（in）内径I．D．（mm）两端直径O．D．ofFishingneck（mm）滚轮直径RollerO.D.（mm）滚轮长度RollerLength（mm）长度Length（mm）接头螺纹Connection钻柱型Stringtype井底型Nearbittype钻柱型Stringtype井底型NearbittypeWG14957/8″471214120015001400NC38NC38×31/2REGWG1526″471214120015001400NC38NC38×31/2REGWG15561/8″471214120015001400NC38NC38×31/2REGWG21283/8″4715960.320016001400NC38N***6×41/2REGWG21581/2″4715960.320016001400NC38N***6×41/2REGWG311121/4″712031003001900170065/8REG65/8REGWG40616″762291403502200200075/8REG75/8REGWG43217″762291403502200200075/8REG75/8REGWG444171/2″762291403502200200075/8REG75/8REGWG55922″762411523802350220075/8REG75/8REGWG66626″762411784002350220075/8REG75/8REGWG71128″762411784002350220075/8REG75/8REGWG91436″762411784002350220075/8REG75/8REG)