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发明名称
Recovery of lost circulation in a drilling well
摘要
申请公布号
US2801077(A)
申请公布日期
1957.07.30
申请号
US19530401196
申请日期
1953.12.30
申请人
PAN AMERICAN PETROLEUM CORPORATION
发明人
HOWARD GEORGE C.;JR. PLATHO P. SCOTT,
分类号
E21B21/00;E21B33/138
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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