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Wireless communication between tools

A technology of tools and downhole tools, applied in the communication field of wireless communication

Inactive Publication Date: 2013-08-07
WELLTEC AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since prior art acoustic communication through well fluids does not always function successfully, there is a need for an alternative form of communication

Method used

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  • Wireless communication between tools
  • Wireless communication between tools
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0061] figure 1 A downhole tool system 1 is shown comprising three tools: a first tool 1 , a second tool 2 and a third tool 3 arranged in a tool string. Said first tool 1 is connected at its first end 11 to a cable for powering the tool string. In its second end 12, the first tool 1 is connected to the first end 21 of the second tool 2 by a screw connection, thereby firmly connecting the first tool 1 and the second tool 2 together. In its second end 22, the second tool 2 is also connected to the first end 31 of the third tool 3 by a screw connection.

[0062] Two operator stations can work together to perform downhole operations, which means that the tools of one operator station are arranged between the tools of the other operator station. Thus, the first tool 1 and the third tool 3 come from the first operating station and the second tool 2 from the second operating station. Since the first tool 1 and the third tool 3 are separated by the second tool 2, the communication ...

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PUM

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Abstract

The present invention relates to a downhole tool system for being submerged into a casing, comprising at least three tools. Furthermore, the invention relates to a communication method for communicating wirelessly between a first and a third tool separated by a second tool.

Description

technical field [0001] The present invention relates to a downhole tool system for being sunk into a casing comprising at least three tools having tool axes. Furthermore, the invention relates to a downhole tool system for being sunk into a casing, comprising at least three tools; A communication method for wireless communication. Background technique [0002] It is known to communicate between the surface of the earth and tools in the well via acoustic signals in the well fluid. However, well fluids are often very heterogeneous as they include mud, scale, oil and water, and air bubbles. Therefore, communication sometimes fails. [0003] Sometimes two operators work together to conduct downhole operations, which means that the tools of one operator are placed between the tools of the other operator. In this case, however, communication between the tools of the other operator station is hampered, since the tools are separated by the tools of the one operator station and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/12E21B47/14
CPCE21B47/122E21B47/14E21B47/13
Inventor J 哈伦德巴克
Owner WELLTEC AS