发明授权
- 专利标题: Breaker fluids and methods of using the same
- 专利标题(中): 破碎液及其使用方法
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申请号: US12745162申请日: 2008-11-24
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公开(公告)号: US08227382B2公开(公告)日: 2012-07-24
- 发明人: Eugene Dakin , Andrey Reznichenko , Hui Zhang
- 申请人: Eugene Dakin , Andrey Reznichenko , Hui Zhang
- 申请人地址: US TX Houston
- 专利权人: M-I L.L.C.
- 当前专利权人: M-I L.L.C.
- 当前专利权人地址: US TX Houston
- 代理机构: Osha Liang LLP
- 国际申请: PCT/US2008/084521 WO 20081124
- 国际公布: WO2009/073438 WO 20090611
- 主分类号: C09K8/52
- IPC分类号: C09K8/52 ; C09K8/584 ; E21B21/00 ; E21B37/00 ; E21B7/00 ; B01D17/05
摘要:
A method of cleaning a wellbore drilled with a drilling fluid that forms a filter cake that includes emplacing a breaker fluid into the wellbore, the breaker fluid comprising: an aqueous fluid; a fragmentation agent; and an amphoteric chemotrope; and shutting in the well for a period of time sufficient to initiate breaking of the filter cake is disclosed.
公开/授权文献
- US20100300967A1 BREAKER FLUIDS AND METHODS OF USING THE SAME 公开/授权日:2010-12-02
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