发明名称 |
DEVICE FOR A PIPE HANDLING UNIT AND METHOD OF INSERTING AND WITHDRAWING A PIPE STRING IN/FROM A BOREHOLE |
摘要 |
A pipe-handling system includes at least two pipe-handling units arranged in a vertically displaceable manner along respective guide tracks of, respectively, first and second portions of a tower. The pipe-handling unit is provided with lower and upper rotary units spaced apart vertically on a chassis. Each of the rotary units is provided with a rotatable tong and a hanging-off device. A method is for inserting and withdrawing a pipe string in/from a borehole by the use of the pipe-handling system. |
申请公布号 |
KR20140138105(A) |
申请公布日期 |
2014.12.03 |
申请号 |
KR20147010025 |
申请日期 |
2013.02.20 |
申请人 |
WEST DRILLING PRODUCTS AS |
发明人 |
EILERTSEN BJORN;SKJ&CIRC,ERSETH ODD B. |
分类号 |
E21B19/16;E21B7/20;E21B19/18 |
主分类号 |
E21B19/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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