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发明名称
MATERIALS FOR USE IN DRILLING FLUIDS
摘要
Bentonites can be extended for use in drilling muds by addition of a novel polymer blend comprising a low molecular weight water soluble non-ionic or anionic polymer and a high molecular weight anionic polymer.
申请公布号
AU3489884(A)
申请公布日期
1985.05.09
申请号
AU19840034898
申请日期
1984.11.01
申请人
ALLIED COLLOIDS LTD.
发明人
BRIAN PYMOND
分类号
C09K8/24;E21B21/00
主分类号
C09K8/24
代理机构
代理人
主权项
地址
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