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发明名称
Method for determining formation fluid entry into or drilling fluid loss from a borehole using a dynamic annular pressure control system
摘要
申请公布号
AU2007205225(B2)
申请公布日期
2010.11.11
申请号
AU20070205225
申请日期
2007.01.04
申请人
AT BALANCE AMERICAS LLC
发明人
DONALD G. REITSMA
分类号
E21B47/10
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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