发明名称 TUBULAR HANDLING DEVICE
摘要 A tubular member handling apparatus including a tubular member running tool, an elevator, first actuators each extending between the running tool and the elevator, and second actuators each extending between the running tool and a corresponding first actuator. The running tool includes a slotted member having a plurality of elongated slots, a recessed member slidably coupled to the slotted member and having a plurality of recesses, and a plurality of rolling members each retained between one of the recesses and one of the slots. Each rolling member partially extends through an adjacent slot when located in a shallow end of a corresponding recess, and retracts to within an outer perimeter of the slotted member when located in a deep end of the corresponding recess.
申请公布号 US2009321064(A1) 申请公布日期 2009.12.31
申请号 US20080147223 申请日期 2008.06.26
申请人 NABORS GLOBAL HOLDINGS LTD. 发明人 ELLIS BRIAN;WEEMS CRAIG
分类号 E21B19/18 主分类号 E21B19/18
代理机构 代理人
主权项
地址
您可能感兴趣的专利