Wangyun 2B well is a production well in the top of Wangchang Oilfield structure.
王云2井是王场油田构造顶部的一口生产井。
In order to recover its production, it was determined to drilling a directional side tracking well Wangyun 2b well inside casings.
为了恢复王云2井的生产，确定在套管内开窗定向侧钻王云2 B井。
Started with the artistic steps of Zhao Wangyun in the Anti-Japanese War (1937-1945), the thesis analyzes how his unique style of the brushwork came into being in the Northwest China.
本文从赵望云在抗战中（1937-1945）的艺术足迹入手，分析其独树一帜的国画笔墨形成于西北的原因。
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