发明名称 |
METHOD AND WATER-BASED FLUID USING HYDROPHOBICALLY MODIFIED GUARS AS A FILTRATE REDUCER |
摘要 |
A method used in a well for controlling the filtration of a drilling, completion or workover fluid therein. The method comprises adding a predetermined amount of at least one hydrophobically modified guar gum derivative. In an alternative embodiment, the guar gum derivative is hydrophobically modified hydroxypropylated guar (HMPG). The invention relates to a drilling, completion or workover fluid comprising at least one hydrophobically modified guar gum derivative, and particularly viscosity-increasing agents such as polymers or reactive clay. |
申请公布号 |
WO9621796(A1) |
申请公布日期 |
1996.07.18 |
申请号 |
WO1996FR00027 |
申请日期 |
1996.01.08 |
申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
AUDIBERT, ANNIE;ARGILLIER, JEAN-FRANCOIS |
分类号 |
C09K8/08;C09K8/20;C09K8/514;C09K8/588;C09K8/90 |
主分类号 |
C09K8/08 |
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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