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发明名称
Chemical method of injecting water shut-off agent in air drilling
摘要
申请公布号
US3141513(A)
申请公布日期
1964.07.21
申请号
US19620187006
申请日期
1962.04.12
申请人
JERSEY PRODUCTION RESEARCH COMPANY
发明人
DAVIS GEORGE THOMAS
分类号
E21B21/16
主分类号
E21B21/16
代理机构
代理人
主权项
地址
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