Title:
掘削孔の探査方法、掘削装置およびボアホール探査アセンブリ
Document Type and Number:
Japanese Patent JP6326565
Kind Code:
B6
Abstract:
A method is disclosed for surveying drill holes with a drilling arrangement and borehole survey assembly. The method can include providing a drill tool having at least one drill rod and a drill bit assembly, and providing a borehole survey tool having a sensor) for measuring a borehole. In the method a drill tool having a central flushing channel for conducting flushing fluid to the drill bit assembly is used, and the borehole survey tool is arranged in the central flushing channel so that flushing fluid can flow in the central flushing channel past the borehole survey tool.
Inventors:
ヘイノネン、 ミッコ
スヨホルム、 ハッリ
ラウティアイネン、 ユッシ
マッティラ、 ミッコ
モントネン、 ヨリ
スヨホルム、 ハッリ
ラウティアイネン、 ユッシ
マッティラ、 ミッコ
モントネン、 ヨリ
Application Number:
JP2015530467A
Publication Date:
August 29, 2018
Filing Date:
September 05, 2013
Export Citation:
Assignee:
ロビット オサケイティオ ユルキネンＲＯＢＩＴ ＯＹＪ
International Classes:
E21B47/01
Previous Patent: A generator of a junior-and-senior-high-schools pressure pulse-like jet
Next Patent: RECEPTION DEVICE FOR DIGITAL SIGNAL
Next Patent: RECEPTION DEVICE FOR DIGITAL SIGNAL