The invention discloses a
system and method for predicating risks of a drilling construction working site of an oil-gas well. The
system comprises a data collection module, a
data management module, a
data application module and a decision supporting module, wherein the data collection module is used for collecting data of field operation, the
data management module is used for storing the data collected on site and sampling data, the
data application module is used for achieving information issue,
data query, data statistics and report output, and the decision supporting module is used for carrying out risk analysis on data collected on site and alarming according to the sampling data. The method comprises the steps of collecting data of a working site, carrying out risk analysis on collected
monitoring data according to the sampling data to obtain a risk analysis result, determining pre-warning levels by combining a preset pre-warning threshold value, and carrying out corresponding risk pre-warning actions. The
system and method for predicating the risks of the drilling construction working site of the oil-gas well aim at the data collected on a
well drilling site, a risk
bayesian network and an ARIMA model are combined together, effective analysis and prediction of
risk probability of accidents are achieved, analysis accuracy is high, and authenticity is strong.