Patent ID: 7660204
Filing Date: 2010-02-09
Classification: G01V

Abstract:
1. A data acquisition method of non-real time transmitting in a seismic data acquisition system applied in a mountainous region, comprising the steps of: using eight digit file names representing an absolute time together with three digit extension names representing equipment serial names as a format of original record file names, wherein the eight digit file names and three digit extension names consist of Arabic numerals 0-9 and English letters, and wherein all original record filenames in a data acquisition unit are 8+3 digit file names and consist of Arabic numerals 0-9 and English letters, the former eight digits representing years, months, days, hours, minutes, and seconds, and the latter three extension digits representing the equipment serial names of the data acquisition units; generating, by detonating units, SPS (Shell's Processing Support) format spreadsheets of 3-D land seismic exploration assistant data according to the file names generating method of the using step, and, at the same time, distinguishing intermittence signals generated by high voltage circuits in the detonating units, and writing, by operating systems in the detonating units, the absolute operating time of an effective explosion into SPS format spreadsheets of 3-D land seismic exploration assistant data according to the file names generating method of the detonating unit when there are intermittence signals, and not recording any absolute operating time in SPS format spreadsheets of 3-D land seismic exploration assistant data when there are no intermittence signals; combining SPS format spreadsheets of 3-D land seismic exploration assistant data from the multiple detonating units according to SPS format spreadsheets of 3-D land seismic exploration assistant data, which are generated by the multiple detonating units to prepare for retrieving the data; and, while retrieving, inputting the combined SPS format spreadsheets of 3-D land seismic exploration assistant data from the multiple detonating units into data retrieval units, which consist of microprocessors having a system bus; recording the file names in SPS format spreadsheets of 3-D land seismic exploration assistant data using the former eight digit file names; connecting the data acquisition units and the data retrieval units by network lines; operating the data retrieval programs in the data retrieval units; connecting special plugs of the data retrieval units to special plugs of the data acquisition units; and initiating the data retrieval programs to command the systems to complete the following operations: a) searching the original file data effectively recorded in the data acquisition units and copying the original file data effectively recorded in the data acquisition units into the data retrieval units; b) setting the original file data effectively recorded as read-only attributes on the computer disks in the data acquisition units to prevent loss of the data, and, in that case, the data can be retrieved; c) deleting unnecessary data acquired to free disk space so as to prepare for the next recording; and arranging the data sequences indoors after the data retrieving operations; rearranging the original file data effectively recorded in the multiple data retrieval units into the format recorded in the unit of shots according to the format of original record names on the basis of the layout to provide to the system of processing data.