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Underwater drilling arrangement and method for making a bore in a bed of a water body

A water body and foundation bed technology, applied in the direction of drilling equipment and methods, underwater drilling, drill pipe, etc., can solve the problem of limiting the guide length, etc., to achieve the effect of reducing friction and reducing effect/effect

Inactive Publication Date: 2013-04-03
BAUER MASCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This limits the boot length

Method used

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  • Underwater drilling arrangement and method for making a bore in a bed of a water body
  • Underwater drilling arrangement and method for making a bore in a bed of a water body
  • Underwater drilling arrangement and method for making a bore in a bed of a water body

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Embodiment Construction

[0026] figure 1 The main structure of an underwater drilling apparatus according to the present invention for forming a hole in a bed of a body of water is shown in . The service platform 30 comprises a foundation body 20 on which a plurality of support rods 22 are fixed, on which support feet 24 are arranged for positioning on the bed of a body of water such as a lake, sea or river. To form the hole, the service platform 30 is lowered onto the bed of the lake, sea or river, and then placed on the bed of the lake, sea or river using the support feet 24 . The support feet 24 or upright feet are designed to be adjustable in order to compensate for unevenness in the bed of a lake, sea or river, whereby the service platform 30 can be placed in the desired drilling position.

[0027] In the middle of the base body 20 there is a recess 32 into which the catheter is inserted. The guide tube 40 is mounted to be rotatable and axially movable relative to the base body 20 . In order t...

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Abstract

The present invention relates to an underwater drilling arrangement and a method for making a bore in a bed of a lake, sea or a river. The underwater drilling arrangement is provided with the following components: a service platform which can be laid down for positioning on the bed of the lake, the sea or the river; a guide tube which is equipped so that the guide tube can rotate and perform axial movement and is fixed on the service platform; a drill rod with a drill bit, which is configured in the guide tube and can be driven through a drilling driver; and a guide tube driver which is configured on the service platform and is used for inserting the guide tube into the bed of the lake, the sea or the river. For reducing friction between housing surface of the guide tube and soil material of the bed of the lake, the sea or the river when the guide tube is inserted, the guide tube is provided with a sliding supporting component.

Description

technical field [0001] The present invention relates to underwater drilling apparatus and methods for forming holes in a bed of a body or body of water. Background technique [0002] For example, such a drilling rig could be used to produce foundations for offshore wind farms or underwater turbines for tidal power plants. [0003] GB 2469190A discloses a drilling method in which a service platform is first placed on the bed of a body of water such as a lake, sea or river. A conduit with a receiving funnel element is arranged on the service platform. Drilling tools are introduced into the conduit and lowered onto the bed of a lake, sea or river to perform drilling. [0004] Another method is known from EP 23 22 724 A1. In this underwater drilling arrangement, a plurality of sleeve-shaped conduits are arranged on a service platform, in which a tubular foundation element has been arranged. The tubular base element is screwed via a drill driver placed in place, which is loos...

Claims

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Application Information

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IPC IPC(8): E21B7/124E21B7/20E21B17/10
CPCE02D7/24E21B21/001E02D13/04E21B7/124E21B7/128E02D27/52E21B7/12
Inventor T·包尔S·M·芬肯策勒
Owner BAUER MASCH GMBH
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