According to the relation between the temperature and the ratio of the diameter of the defrosting zone to that of the drilling bit, the volume of washing fluid is optimized.
依据不同冲洗液温度时融化区直径与钻头直径比和冲洗液用量的关系，讨论了冲洗液用量的优化。
On the basis of optimized vibratile drilling mono -material test, the optimized value variable parameter is selected for vibratile drilling test of two kinds laminated materials.
在单材料优化振动钻削实验的基础上，进行了两种叠层材料按优化值变参数的振动钻削实验。
On the basis of optimized vibratile drilling mono-material test, the optimized value variable parameter is selected for vibratile drilling tesl of two kinds laminated materials.
在单材料优化振动钻削实验的基础上，进行了两种叠层材料按优化值变参数的振动钻削实验。
At the same time during the drilling of horizontal well various operating parameters should be optimized to ensure the drilling effect.
同时，在水平井钻探实施过程中，还应对各项施工参数进行优化，以确保水平井钻探效果。
Through laboratory tests, high quality formula of C12 foam mud was optimized, which made the drilling construction successful in serious fracture leakage formation.
通过大量的室内试验，优选出c 12泡沫泥浆的优质配方，现场施工中顺利解决了强裂隙漏失地层中的钻进问题。
This paper describes the development history of igneous rock reservoir in Luo 151 area of Shengli Oilfield. Drilling engineering design and well completion method are optimized in the area.
介绍了胜利油田罗151区火成岩油藏的开发情况，并对该区钻井工程设计及完井方式进行了优化。
The processing parameters of YAG laser drilling were optimized by artificial neural network. The thickness of recast layer was decreased to about 10 micron.
本文通过人工神经网络技术对YAG激光打孔的工艺进行了优化，使再铸层厚度从一般情况下的几十个微米降低到十个微米左右。
The processing parameters of YAG laser drilling were optimized by artificial neural network. The thickness of recast layer was decreased to about 10 micron.
本文通过人工神经网络技术对YAG激光打孔的工艺进行了优化，使再铸层厚度从一般情况下的几十个微米降低到十个微米左右。
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