Seismic data acquisition system and method
A seismic data and acquisition system technology, applied in the direction of seismic signal receivers, etc., can solve the problems of weak channel ability and poor synchronization, and achieve the effect of solving weak channel ability, ensuring synchronization, and avoiding poor real-time channel ability.
Active Publication Date: 2020-06-09
BC P INC CHINA NAT PETROLEUM CORP +1
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[0005] The embodiment of the present application provides a seismic data acquisition system and method to solve the technical problems of weak channel capability and poor synchronization existing in the existing methods, so as to efficiently and accurately control a large number of seismic instruments to simultaneously carry out large-scale seismic data acquisition technical effect
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[0048]In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.
[0049] Under the current technical conditions of seismic instruments, in order to meet the requirements of large-scale and high-density seismic data acquisition, most of the existing seismic data acquisition methods use existing connection equipment to connect multiple seismic instruments to control and manage larger-scale acquisition arrangem...
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The embodiment of the invention provides a seismic data acquisition system and a method. The system includes: a central controller, a plurality of seismic apparatuses, and a plurality of acquisition controller. Each seismic apparatus is respectively coupled with an acquisition controller. The central controller is used for sending a preparation instruction to the acquisition controller, and the preparation instruction comprises flag numbers; the acquisition controller determines and sends a determination result of the seismic apparatuses according to the preparation instruction; the central controller sends an acquisition instruction according to the determination result of the seismic apparatuses, the acquisition instruction comprises an acquisition start-up time. Since the system arranges an acquisition controller for each seismic apparatus and these acquisition controllers are controlled by a central controller via control instructions, thereby solving the technical problems of weakchannel capability and poor synchronism in the prior art, and achieving the technical effect of efficiently and accurately controlling a large number of acquisition equipment to synchronously carry out large-scale seismic data acquisition.
Description
technical field [0001] The present application relates to the technical field of seismic exploration, in particular to a seismic data acquisition system and method. Background technique [0002] In the field of seismic exploration, with the advancement of technology, high-precision, wide-band, and full-wave field are gradually becoming a development direction of seismic exploration, which also puts forward higher and higher requirements for the acquisition and control of seismic data. [0003] At present, in order to realize the acquisition of seismic data, considering that most of the commonly used seismic data acquisition systems use one control device to control 2 to 3 seismic instruments to acquire seismic data. Limited by the control capability of a single control device, usually only several seismic instruments controlled by the same control device can maintain synchronization in the acquisition process, which is bound to be difficult to meet the needs of large-scale s...
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IPC IPC(8): G01V1/18
CPCG01V1/18
Inventor 罗福龙夏颖甘志强王旭宏易碧金
Owner BC P INC CHINA NAT PETROLEUM CORP