结合现场实践,基于差分法和人工神经网络建立了新的围岩力学参数反分析方法。
Aiming at practice in site, the new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks.
并结合现场实践经验提出了各项新技术在应用中尚存在的问题和进一步改进的设想。
Based on the practical experience, some problems existed in the application of new techniques and some ideas of further improvement are also put forward.
介绍了气体钻井计算模型的建立及其应用软件的编制,结合现场实践,对气体钻井理论模型进行了分析。
The paper introduces the establishment of calculating model for gas drilling and the programming of the applied software, and analyzes the model for gas drilling theory with field cases.
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