发明名称 |
fluidos à base de água de alto desempenho |
摘要 |
A water based wellbore fluid that includes an aqueous fluid; a micronized weighting agent; a polysaccharide derivative; and at least one fatty acid ester derivative is disclosed. |
申请公布号 |
BRPI0917786(A2) |
申请公布日期 |
2016.03.01 |
申请号 |
BR2009PI17786 |
申请日期 |
2009.08.20 |
申请人 |
M-L SWACO NORGE AS |
发明人 |
ANNE MYRVOLD FOSSE;ANNE-MARIE FRIESTAD;MONICA NORMAN;OLE IACOB PREBENSEN |
分类号 |
C09K8/03;C09K8/12 |
主分类号 |
C09K8/03 |
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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