Underwater drilling arrangement and method for making a bore
US8720603B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2012 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B4/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to an underwater drilling arrangement for making a bore in the bed of a lake, sea or river with a platform which can be lowered for positioning on the bed of the lake, sea or river, a drill drive which is arranged on the service platform and a drill rod with drill head which can be driven in rotation via the drill drive. It is provided that the service platform comprises a guide tube, on the inner side of which at least one linear guide is arranged, along which at least one part of the drill drive is guided axially displaceably and the guide tube is held so that it can be adjusted and fixed in a mount of the service platform. The invention further relates to a method for creating a bore in the bed of a lake, sea or river.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.