Invention Grant
- Patent Title: Breaker fluids and methods of using the same
- Patent Title (中): 破碎液及其使用方法
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Application No.: US12745162Application Date: 2008-11-24
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Publication No.: US08227382B2Publication Date: 2012-07-24
- Inventor: Eugene Dakin , Andrey Reznichenko , Hui Zhang
- Applicant: Eugene Dakin , Andrey Reznichenko , Hui Zhang
- Applicant Address: US TX Houston
- Assignee: M-I L.L.C.
- Current Assignee: M-I L.L.C.
- Current Assignee Address: US TX Houston
- Agency: Osha Liang LLP
- International Application: PCT/US2008/084521 WO 20081124
- International Announcement: WO2009/073438 WO 20090611
- Main IPC: C09K8/52
- IPC: C09K8/52 ; C09K8/584 ; E21B21/00 ; E21B37/00 ; E21B7/00 ; B01D17/05

Abstract:
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.
Public/Granted literature
- US20100300967A1 BREAKER FLUIDS AND METHODS OF USING THE SAME Public/Granted day:2010-12-02
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