Grey relation theory and machinery has great potential in the real—time monitoring and prediction control of drilling accident. The two theories can predict bit mud bag, passivation, well bag and the drill string vibration sediment failure and accidents. The reasonable application of two theories can effectively increase the accuracy of drilling accident monitoring and prediction and reduce the unnecessary loss in drilling process.%灰色关联理论和机械比能在钻井事故的实时监控与预测控制方面存在着巨大的潜力.这两种理论可以预测钻头泥包、钝化、井底泥包和钻柱振动失效等事故.通过对这两种理论的合理利用,可有效的提高钻井事故监测与预报准确性,减少钻井过程中没必要的损失.
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