发明名称 |
BRINES CONTAINING HYDROXYETHYL CELLULOSE |
摘要 |
Hydroxyethyl cellulose can function as a fluid loss additive containing 16 to 20% by weight of zinc bromide and either or both of calcium chloride and calcium bromide. When the concentration (X) of zinc bromide exceeds 20% by weight, both calcium chloride and calcium bromide must be present, the concentration of calcium chloride being at least (2X-33)% by weight. |
申请公布号 |
AU1133683(A) |
申请公布日期 |
1983.09.15 |
申请号 |
AU19830011336 |
申请日期 |
1983.02.11 |
申请人 |
INDUSTRIES, N L INC. |
发明人 |
ROY FRANCIS HOUSE;LONNIE DANIEL HOOVER |
分类号 |
C09K8/04;C09K8/05;C09K8/10 |
主分类号 |
C09K8/04 |
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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