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SEISMIC DATA ACQUISITION SYSTEM AND METHOD OF ACQUIRING SEISMIC DATA USING DEFINED CELLS AND INDEPENDENT PATHWAYS

机译:地震数据采集系统和使用确定的单元格和独立路径的地震数据采集方法

摘要

Seismic surveying apparatus and method for collecting data acquired during a seismic survey comprises a plurality of data sources 205, each associated with a transmitter capable of transmitting data, preferably wirelessly. The data sources 205 are disposed in a plurality of cells 200 and in each cell 200, one of the transmitters serves as a gateway 210 for receiving data transmitted from the other data sources 205 in the cell. Each data source 205 comprises one or more seismic sensors, e.g. geophones (305 fig. 3). Independent pathways for data transmission are provided by transmitting data from one gateway 210 to another to reach a central location, e.g. a recording truck 110 or fixed-base facility. Data may be transmitted synchronously or asynchronously via a path of gateways 210 and transmission along a path may employ one of frequency division or time division multiplexing. The cells may overlap or be interleaved and relays (RP, fig 8a) may be provided in the paths.
机译:用于收集在地震勘测期间采集的数据的地震勘测设备和方法包括多个数据源205,每个数据源与能够优选地无线地传送数据的发射机相关联。数据源205设置在多个小区200中,并且在每个小区200中,发射机之一用作网关210,用于接收从该小区中的其他数据源205发送的数据。每个数据源205包括一个或多个地震传感器,例如地震传感器。检波器(305图3)。通过将数据从一个网关210传输到另一网关以到达中心位置,例如数据中心,提供了用于数据传输的独立路径。记录卡车110或固定基地设施。可以经由网关210的路径同步或异步地传输数据,并且沿着路径的传输可以采用频分或时分复用中的一种。单元可以重叠或交错,并且可以在路径中提供中继器(RP,图8a)。

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