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发明名称
Method of correcting for lost circulation of drilling fluids
摘要
申请公布号
US2818230(A)
申请公布日期
1957.12.31
申请号
US19540408723
申请日期
1954.02.08
申请人
SHELL DEVELOPMENT COMPANY
发明人
DAVIS ELLIS E.
分类号
E21B21/00;E21B21/16
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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