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发明名称
DRILLING FLUID AND METHOD FOR INCREASING DRILLING RATE
摘要
申请公布号
US3528914(A)
申请公布日期
1970.09.15
申请号
USD3528914
申请日期
1966.12.14
申请人
SHELL OIL CO.
发明人
HENRY C.H. DARLEY
分类号
C09K8/28;(IPC1-7):C10M1/06
主分类号
C09K8/28
代理机构
代理人
主权项
地址
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