Knowledge of the stress variation between the pay zone and the adjacent layers is therefore essential for predicting the extent that the fracture grows out of the zone.
因此，对产油区和相邻层之间应力变化的了解，对于预测该地层产生断裂的程度则非常重要。
The approach does not require apriori knowledge of the sign of the control gain and the upper bound and lower bound of dead zone model parameter to be known apriori.
该方法不要求的先验知识的控制增益的符号和的上界和下界的先验已知的死区模型参数。
Geopark is the key protective zone of the geological vestiges and the ecological environment, and also, is the base of the scientific research and popularization of geological knowledge.
地质公园是地质遗迹景观和生态环境的重点保护区，是地质科学研究与普及的基地。
It has crucial importance in oil and gas exploration to find hydrocarbon zone and to take knowledge of the reservoir physical property in time in drilling process.
在钻井过程中，准确地发现油气层、及时了解储层的物性情况，对油气勘探、开发工作至关重要。
It has crucial importance in oil and gas exploration to find hydrocarbon zone and to take knowledge of the reservoir physical property in time in drilling process.
在钻井过程中，准确地发现油气层、及时了解储层的物性情况，对油气勘探、开发工作至关重要。
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