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发明名称
THERMALLY STABLE OIL-BASE DRILLING FLUID
摘要
<p>Oil-base drilling fluids containing a non-sulfonated polymer and/or a non-organophilic clay maintain desirable rheological properties at elevated temperatures.</p>
申请公布号
WO1996000762(A1)
申请公布日期
1996.01.11
申请号
US1995007975
申请日期
1995.06.22
申请人
发明人
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主分类号
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