发明名称 |
COMPOSITIONS AND METHODS FOR SERVICING SUBTERRANEAN WELLS |
摘要 |
Aqueous fluids containing hydrophobic particles are effective media for cleaning water-base drilling fluids and drilling fluid solids from the interior surface of a casing string. Hydrophobic fibers may be added to a drilling fluid, a spacer fluid, a chemical wash, or combinations thereof. The disclosed fluids may be employed during primary cementing operations where it is not possible to use a bottom plug. |
申请公布号 |
WO2017026885(A1) |
申请公布日期 |
2017.02.16 |
申请号 |
WO2015MY00065 |
申请日期 |
2015.08.11 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V. |
发明人 |
FU, Diankui;JAIN, Bipin |
分类号 |
E21B37/06;B08B9/02;C09K8/52 |
主分类号 |
E21B37/06 |
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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