发明名称 |
Process of thermal stabilization of aqueous solutions of polysaccharides and its application to drilling fluids |
摘要 |
Stabilization of aqueous solutions of polysaccharides, even in the hot, by the addition of alkali metal dialkyl-dithiocarbamate and sodium chloride or calcium chloride. Applications to drilling fluids and to the improved recovery of crude oil.
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申请公布号 |
US4599180(A) |
申请公布日期 |
1986.07.08 |
申请号 |
US19840655862 |
申请日期 |
1984.09.28 |
申请人 |
SOCIETE NATIONALE ELF AQUITAINE |
发明人 |
VIO, LINO;MEUNIER, GILLES |
分类号 |
C08L5/00;C09K8/06;C09K8/20;C09K8/90;(IPC1-7):C09K3/00 |
主分类号 |
C08L5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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