CONDITIONS AND METHODS TO ENSURE THE OPERATION OF DIGITAL SEISMIC PRECURSORY DEVICES NORMALLY

During the "ninth five years project" period, Zhouzhi well was reconstructed by Seismological Bureau of Shaanxi Province.The project passed acceptance inspection at end of 2001, and was put into operation from Jan.2002.Till present, the digital devices of the well runs normally, and keep 100% running rate.It is concluded that the reliable grounding system and reasonable proper power system are the insurance of its operation.