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发明名称
Apparatus for backflushing a producing formation penetrated by a well
摘要
申请公布号
US3073390(A)
申请公布日期
1963.01.15
申请号
US19590855344
申请日期
1959.11.25
申请人
WESTERN GULF OIL COMPANY
发明人
BECKETT JOSEPH K.
分类号
E21B37/08
主分类号
E21B37/08
代理机构
代理人
主权项
地址
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