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发明名称
FORMATION DENSITY LOGGING WHILE DRILLING
摘要
申请公布号
AU561685(B2)
申请公布日期
1987.05.14
申请号
AU19830018501
申请日期
1983.08.29
申请人
N L INDUSTRIES INC.
发明人
DANIEL F. COOPER
分类号
G01V5/12;(IPC1-7):E21B49/00
主分类号
G01V5/12
代理机构
代理人
主权项
地址
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