发明名称 |
MULTIFUNCTIONAL PARTICLES FOR DOWNHOLE FORMATION TREATMENTS |
摘要 |
An aqueous, viscoelastic fluid gelled with a viscosifier, e.g. a viscoelastic surfactant, is stabilized and improved with an effective amount of a particulate additive such as alkaline earth metal oxides, alkaline earth metal hydroxides, transition metal oxides, transition metal hydroxides, post- transition metal oxides, and post-transition metal hydroxides. These fluids are more stable and have a reduced or no tendency to precipitate, particularly at elevated temperatures, and may also help control fluid loss. These particulate additives have unique particle charges that use chemisorption, "crosslinking" and/or other chemistries to associate and stabilize the VES fluids, and also help trap or fixate formation fines when placed in a gravel pack or a proppant pack in a fracture. Some of these effects may be more pronounced the smaller the size of the particulate additive. |
申请公布号 |
WO2011133627(A3) |
申请公布日期 |
2012.02.23 |
申请号 |
WO2011US33178 |
申请日期 |
2011.04.20 |
申请人 |
BAKER HUGHES INCORPORATED;CREWS, JAMES, B.;HUANG, TIANPING;WILLINGHAM, JOHN, R. |
发明人 |
CREWS, JAMES, B.;HUANG, TIANPING;WILLINGHAM, JOHN, R. |
分类号 |
C09K8/58;E21B43/16 |
主分类号 |
C09K8/58 |
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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