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Down-hole data transmission system

A technology for transmission system and downhole data, which is applied in wellbore/well components, measurement, earthwork drilling and production, etc. It can solve the problem that downhole data transmission cannot meet the data volume and timeliness

Pending Publication Date: 2018-11-30
慧疆科技(天津)有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The embodiment of the present invention provides a downhole data transmission system to solve the technical problem that the downhole data transmission in the prior art cannot meet the data volume and timeliness

Method used

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0022] In an embodiment of the present invention, a downhole data transmission system is provided, such as figure 1 As shown, the system includes:

[0023] The data forwarding device 101 is set in the downhole pipe string and is used for data transmission with downhole equipment;

[0024] The data reading device 102, when the data terminal and the downhole equipment need to perform data transmission, the data reading device goes down to the data forwarding device in the pipe string (for example, the data reading device goes down to the downhole, in the same position as The data forwarding dev...

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Abstract

The embodiment of the invention provides a down-hole data transmission system. The down-hole data transmission system comprises a data forwarding device and a data reading device. The data forwardingdevice is arranged in a down-hole tubular column, and is used for transmitting data with a down-hole device. When a data terminal and the down-hole device need to transmit data, the data reading device moves downwards to the position of the data forwarding device in the tubular column, the data reading device as a transit station transmits data with the data forwarding device through wireless communication and transmits data with the data terminal, and the data terminal is arranged on the ground or arranged in the tubular column and on a subsurface pre-determined distance position. The down-hole data transmission system is beneficial to largely transmitting data in real time between the data terminal and the down-hole device.

Description

technical field [0001] The invention relates to the technical field of petroleum industry, in particular to a downhole data transmission system. Background technique [0002] With the development of the petroleum industry, the data volume of geological information acquired by engineers in the borehole is increasing day by day, and the timeliness of obtaining geological information is also becoming increasingly demanding. Therefore, there is a need for a device that can obtain a large amount of data from the borehole in time to solve the above problems. As far as the current petroleum industry is concerned, the timeliness of the data transmission of the mud pulser is good, but because the data transmission volume is too small, it cannot meet the requirements of engineers for the increasing data volume. Another type of downhole data storage equipment can store a large amount of data, but the data can only be read after the drill is pulled out, which cannot meet the timeliness...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/13E21B47/12
CPCE21B47/12E21B47/13
Inventor 不公告发明人
Owner 慧疆科技(天津)有限公司
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