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发明名称
Underwater oil well completion
摘要
申请公布号
US3004602(A)
申请公布日期
1961.10.17
申请号
US19560620495
申请日期
1956.11.05
申请人
RICHFIELD OIL CORPORATION
发明人
KOFAHL DAVID C.
分类号
E21B33/035;E21B33/037
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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