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System for acquiring seismic data including modules associated with boxes connected to sensors

An acquisition system and seismic data technology, applied in the field of seismic oil exploration industry, seismic data acquisition system, and surface land seismic data acquisition system, can solve problems such as complex requirements, expensive and suitable equipment, and unsuitable for wireless communication

Active Publication Date: 2010-12-22
SERCEL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0033] However, this solution proved to be technically and economically hindered due to the high throughput of data to be processed, the complexity of the requirements and the very expensive suitable equipment
[0034] Moreover, certain terrains are not suitable for satisfactory wireless communication, making the implementation of such solutions impossible

Method used

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  • System for acquiring seismic data including modules associated with boxes connected to sensors
  • System for acquiring seismic data including modules associated with boxes connected to sensors
  • System for acquiring seismic data including modules associated with boxes connected to sensors

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Embodiment Construction

[0081] As described above, the principle of the invention is that in a seismic data acquisition system comprising a wired network connected to a central processing unit, each electronic unit is associated with two intermediate modules located along the cable on either side of the unit, and Integration in modules independent of the central processing unit of autonomous synchronization means, bidirectional autonomous power supply means and bidirectional storage means of signals processed by said unit, each intermediate module optionally sends its Synchronization, power supply and storage means are provided for downstream and / or upstream units associated with the module in question.

[0082] refer to figure 1 , according to a kind of seismic data acquisition system of the present invention comprises:

[0083] - central processing unit 1;

[0084] - A wired network comprising a plurality of acquisition lines 10 connected to said central processing unit 1 .

[0085] Each collect...

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Abstract

Described herein is a land seismic data acquisition system comprising a central processing unit; a cabled network connected to the central processing unit comprising a plurality of acquisition lines each comprising: electronic units assembled in series along a telemetry cable and each associated with at least one seismic sensor, the units processing signals transmitted by the sensor(s); intermediate modules assembled in series along the telemetry cable and each associated with at least one of the electronic units, each intermediate module providing power supply and synchronisation of the electronic unit(s) wherewith it is associated; wherein each electronic unit is associated with at least two intermediate modules including at least one upstream and at least one downstream from the electronic unit along the telemetry cable, and comprises synchronisation means independent from the cabled network, bidirectional and autonomous power supply means, bidirectional storage means of the signals processed by the electronic units.

Description

technical field [0001] The field of the invention relates to seismic data acquisition. More specifically, the present invention relates to seismic data acquisition systems comprising a wired network connected to a central processing unit, such as a vehicle. [0002] The invention relates in particular to the seismic oil exploration industry, but can be applied in any field where a seismic data acquisition network is implemented. However, one particular application of the invention relates to surface land seismic data acquisition systems. [0003] In the field of the present invention, seismic data acquisition operations in this field typically use a network of electronic units connected to ground motion sensors. Background technique [0004] These sensors are generally referred to using the term "geophones", usually interconnected by cables into groups of sensors to form clusters called "links". One or more of these links are connected to the electronic unit. Electronic ...

Claims

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Application Information

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IPC IPC(8): G01V1/22G01V1/28
CPCG01V1/22
Inventor D·布卡尔
Owner SERCEL INC