讨论了利用人为因素控制裂缝延伸的方法。
数值模拟是高能气体压裂径向多裂缝延伸机理研究的重要内容。
Numerical Simulation of the multiple radial fracture propagation during the high energy gas fracturing is significant in the study of mechanism.
实践及理论分析表明，现行方法可能导致铸件出现裂缝延伸现象。
Practice and theoretical analysis show that this way cause the flaw extended.
孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。
The parameters mentioned are defined for the first time, such as the ratio of pore pressure and upper formation pressure, the fracture extension grads, etc.
多层压裂裂缝延伸模拟模型主要是由流量分配模型和单裂缝延伸模拟模型两部分组成。
Multilayer fracture model usually make up of flow distribution model and single fracture extension model.
提出了定向射孔水力压裂裂缝的延伸轨迹计算模型和步骤，编制了裂缝延伸的模拟软件。
The models and computation procedures for determining fracture propagation path were provided, and the software for simulation of fracture propagation was developed.
如果使用传统的均质、厚油层的水力压裂裂缝延伸模拟方法对多层压裂的裂缝延伸进行模拟必然会产生较大的误差。
Error will appear if we use the conventional hydraulic fracture simulation method of homogeneous, thick reservoir in the multiple zones fracture.
如果使用传统的均质、厚油层的水力压裂裂缝延伸模拟方法对多层压裂的裂缝延伸进行模拟必然会产生较大的误差。
Error will appear if we use the conventional hydraulic fracture simulation method of homogeneous, thick reservoir in the multiple zones fracture.
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