发明名称 HORIZONTAL DIRECTIONAL DRILLING SYSTEM INCLUDING SONDE POSITION DETECTION USING GLOBAL POSITIONING SYSTEMS
摘要 A locator device and methods of use are disclosed. The locator device includes a first locating system configured to generate to sense an electromagnetic field emanating from a sonde associated with a drill head, and a second locating system including a global positioning system. The locator device includes a display on the locating system configured to display a map of the area in which the locator device resides based on a location detected by the global positioning system. The locator device also includes control electronics configured to, upon receipt of an input from a user, record location data in a memory associated with the locator device for use by a horizontal directional drilling control system.
申请公布号 EP2723983(A1) 申请公布日期 2014.04.30
申请号 EP20120803020 申请日期 2012.06.21
申请人 VERMEER MANUFACTURING COMPANY 发明人 REMPE, SCOTT, ALAN
分类号 E21B47/022;E21B7/04;E21B47/09 主分类号 E21B47/022
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