Seismic Data Acquisition Module with Broadband Antenna, and Corresponding Systems, Devices, Components and Methods
First Claim
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1. A seismic data acquisition module, comprising:
- a processor;
a Global Navigation Satellite System (GNSS) module operably connected to the processor, the GNSS module being configured to process GNSS signals originating from a plurality of different GNSS systems, such systems including at least the Global Positioning System (GPS) and the Global Navigation Satellite System (GLONASS), the GNSS signals of the different GNSS systems having respective corresponding GNSS signal characteristics associated therewith according to a field position of the seismic data acquisition module on or near a surface of the earth;
one and only one broadband antenna operably connected to the GNSS module and configured to receive GNSS signals from the plurality of different GNSS systems and provide same to the GNSS module;
wherein the processor, the GNSS module and the broadband antenna are together configured to receive, process and store positional and timing data provided by the plurality of different GNSS systems, the positional and timing data corresponding to the field position of the seismic data acquisition module and the times at which seismic data are acquired and recorded thereby, at least one of the processor and the GNSS module being configured, during or in preparation for data acquisition by the seismic data acquisition module in the field position, and at a given time, to select one of the GNSS systems determined to provide optimal GNSS signal characteristics at the given time.
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Abstract
Described herein are various embodiments of methods and corresponding hardware and software that are configured to permit a seismic data acquisition module to switch between GNSS systems according to which system at a given time is determined to provide the best signal characteristics for acquiring accurate positional and timing data regarding the precise geographic location of the seismic data acquisition module when it is deployed in the field, and the corresponding times at which seismic data are acquired and recorded thereby.
21 Citations
21 Claims
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1. A seismic data acquisition module, comprising:
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a processor; a Global Navigation Satellite System (GNSS) module operably connected to the processor, the GNSS module being configured to process GNSS signals originating from a plurality of different GNSS systems, such systems including at least the Global Positioning System (GPS) and the Global Navigation Satellite System (GLONASS), the GNSS signals of the different GNSS systems having respective corresponding GNSS signal characteristics associated therewith according to a field position of the seismic data acquisition module on or near a surface of the earth; one and only one broadband antenna operably connected to the GNSS module and configured to receive GNSS signals from the plurality of different GNSS systems and provide same to the GNSS module; wherein the processor, the GNSS module and the broadband antenna are together configured to receive, process and store positional and timing data provided by the plurality of different GNSS systems, the positional and timing data corresponding to the field position of the seismic data acquisition module and the times at which seismic data are acquired and recorded thereby, at least one of the processor and the GNSS module being configured, during or in preparation for data acquisition by the seismic data acquisition module in the field position, and at a given time, to select one of the GNSS systems determined to provide optimal GNSS signal characteristics at the given time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of obtaining positional data for a seismic data acquisition module from a plurality of Global Navigation Satellite System (GNSS) systems, the seismic data acquisition module comprising a processor, a GNSS module operably connected to the processor, the GNSS module being configured to process GNSS signals originating from a plurality of different GNSS systems, such systems including at least the Global Positioning System (GPS) and the Global Navigation Satellite System (GLONASS), the GNSS signals of the different GNSS systems having respective corresponding GNSS signal characteristics associated therewith according to a field position of the seismic data acquisition module on or near a surface of the earth and the times at which seismic data are acquired and recorded thereby, the seismic data acquisition module further comprising one and only one broadband antenna operably connected to the GNSS module and configured to receive GNSS signals from the plurality of different GNSS systems and provide same to the GNSS module, the method comprising:
using the processor, the GNSS module and the broadband antenna to receive, process and store positional and timing data in a storage device or memory located in the seismic data acquisition module, the positional and timing data being provided by a selected one of the plurality of different GNSS systems. - View Dependent Claims (17, 18, 19, 20, 21)
Specification
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Current AssigneeGeophysical Technology, Inc.
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Original AssigneeGlobal Geophysical Services Incorporated
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InventorsMuse, Ralph Buckley Jr., Scott, Graham Michael, Branch, Caroline M.
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Application NumberUS13/831,161Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current342/357.73CPC Class CodesG01S 19/14 specially adapted for speci...G01S 19/33 Multimode operation in diff...G01S 19/36 relating to the receiver fr...G01S 19/423 by combining or switching b...G01V 1/247 Digital recording of seismi...
