Now a single point digital geophone technology has entered commercial use stages, from the development trend of domestic and international perspective, the use of single-point seismic geophone receiver is already a trend.
Single-point detectors are mainly two: single-point analog geophone , single-point digital geophone . Currently the United States has a single point detector their movement analog technology, integrated in the detector acquisition station , the realization of digitized seismic geophone , this detector is still essentially an analog detector. Current research and development internationally successful digital detectors are all single-point detector. There are two big manufacturers : American I / O and France Sercel companies. Which the United States I / O 's VectorSeis digital geophone is the world's first digital three -component geophones , but the detector from the current use situation in the country , less than ideal . Sercel DSU and the digital three-component geophone and DSU have DSU3 single component of the two products .
Fewer Domestically, digital geophone research companies, research successful MEMS detector Shanghai Institute of Microsystem and Information Technology , but its usefulness has yet to be tested.
From a single point detector collection methods see , WesternGeco company back in the late 1990s were studied , and its Q-Land system has been put into practical use , were part of the actual collection. The company uses a single- point analog geophone , and the only commercial service company does not sell its Q system . In China, the use of single-point detector is mainly digital geophone , which BGP from Sercel company introduced a single point of 11,000 single- component digital detector, in Huabei Oilfield test with satisfactory results.
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