发明名称 |
DIRECTIONAL DRILLING TARGET STEERING APPARATUS AND METHOD |
摘要 |
An apparatus and method are used in conjunction with a system for performing horizontal directional drilling, the system including a drill string extending from a drill rig to a boring tool such that the boring tool is steerable based on a roll orientation. The system also includes an arrangement for generating steering commands for guiding the boring tool to a target position. Responsive at least in part to the steering commands, a display is configured to selectively indicate each of a rotate command, a push command and a spin command. A steering indicator is described which indicates a current roll orientation of the boring tool. A 3-D grid can be animated and centered on either a steering or target indicator. Rounding of a steering command ratio can limit the display of target roll orientations to only those that a given boring tool transmitter is capable of sensing and indicating. |
申请公布号 |
EP2802739(A4) |
申请公布日期 |
2016.06.22 |
申请号 |
EP20130733668 |
申请日期 |
2013.01.03 |
申请人 |
MERLIN TECHNOLOGY INC. |
发明人 |
KOLPACK, BRUCE;BAHR, DAVID |
分类号 |
E21B47/02;E02F5/18;E21B7/04;E21B44/00 |
主分类号 |
E21B47/02 |
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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