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
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