Patent Number: 8,720,603

Title: Underwater drilling arrangement and method for making a bore

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.

Inventors: Bauer; Thomas (Schrobenhausen, DE), Finkenzeller; Stefan Michael (Reichertshofen, DE)

Assignee: Bauer Maschinen GmbH

International Classification: E21B 7/124 (20060101); E21B 4/18 (20060101)

Expiration Date: 5/13/12018