| 摘要 |
<p>Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator (60a) to grip a well bore work string (152), to raise the work string, and to lower the work string. The well bore servicing equipment further comprises a controller (20a) to receive a work string trajectory input and to automatically control the first manipulator (60a) to raise and lower the work string (152) substantially in conformance with the work string trajectory input.</p> |
