Invention Grant
- Patent Title: Method of removing water-based filter cake
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Application No.: US13807668Application Date: 2011-06-24
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Publication No.: US10208239B2Publication Date: 2019-02-19
- Inventor: David Anthony Ballard
- Applicant: David Anthony Ballard
- Applicant Address: GB Aberdeen
- Assignee: M-I Drilling Fluids UK Ltd
- Current Assignee: M-I Drilling Fluids UK Ltd
- Current Assignee Address: GB Aberdeen
- Agent David J. Smith
- Priority: GB1010852.0 20100628; GB1100551.9 20110113
- International Application: PCT/GB2011/051199 WO 20110624
- International Announcement: WO2012/001396 WO 20120105
- Main IPC: C09K8/52
- IPC: C09K8/52 ; C09K8/528 ; E21B37/06
Abstract:
A method of removing a water-based filter cake from a wellbore, the method comprising: contacting the filter cake with a mixture comprising: a non-aqueous, polar solvent; an agent selected to breakdown the filter cake; said mixture comprising
Public/Granted literature
- US20130210684A1 METHOD OF REMOVING WATER-BASED FILTER CAKE Public/Granted day:2013-08-15
Information query
