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[期刊论文] 作者:刘伟,聂世江,陈俊英,王小康,
来源:钻采工艺 年份:2004
在以往油田的勘探开发中,欠平衡钻井技术允许地层压力大于钻井液液柱作用于井底的压力,但在起下钻作业中,为保证安全,往往需先进行压井施工,这就难以使井底一直处于欠平衡状...
[期刊论文] 作者:罗二虎;周克林;吴桂兵;周静;聂世江;程红坤;温小华;王东元,
来源:考古 年份:2001
The Lijiaba site lies at Qingshu village of Gaoyang town in Yunyang county,Chongqing city, on the first terrace by the eastern bank of the Pengxi River, a northern tributary of the Yangtze River, and is an important ancient cultural vestige......
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