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钻开油气层后起钻前为什么先要进行短起下作业?
2017/9/19 来源:本站原创
主要目的是看:因起钻抽汲是否会产生油气水侵,为调整合适的钻井液密度提供可靠依据。
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Silicate fiber plugging agent
Anti collapse lubricant for drilling fluid (Q/LSJX03-2012)
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