MSZ 10652-1965 《用于钻井》.pdf

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Q-CNPC 96-2003 钻井液用单向压力封闭剂.pdf

SY T 6543.2-2003 欠平衡钻井技术规范.第2部分 井口压力控制装置及地面装置配备要求.pdf

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CSN 24 4215-1960 Drilling plates for quick-change drilling apparatus《快速变换钻井仪的钻井板》.pdf

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