Seismic data acquisition system
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United States of America Patent
Stats
-
Dec 14, 1999
Grant Date -
N/A
app pub date -
May 11, 1998
filing date -
May 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seismic data acquisition system is featured that utilizes a series of nearly identical seismic shots (SISS) to synchronize and to communicate with novel data acquisition units (NDAU) located in the field. Each SISS seismic shot is carefully timed to provide synchronization to each NDAU, and to allow the NDAU to correct for the time drift of its internal clock. Further, each NDAU is programmed with a number of menus, which are used to interpret the seismic shots received from a seismic source. Thus, communication from a central or headquarter site to each NDAU is facilitated, allowing for a change in production schedule and other variables. In addition, the disclosed seismic data acquisition system features movable SISS source sites and overlapping production and SISS shots.
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Cited Art Landscape
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