Invention Grant
- Patent Title: High density breaker fluids and methods of use thereof
- Patent Title (中): 高密度破碎剂流体及其使用方法
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Application No.: US12991064Application Date: 2009-05-04
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Publication No.: US08770296B2Publication Date: 2014-07-08
- Inventor: Raul Navarro-mascarell , Mark Luyster
- Applicant: Raul Navarro-mascarell , Mark Luyster
- 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/US2009/042700 WO 20090504
- International Announcement: WO2009/137399 WO 20091112
- Main IPC: E21B37/00
- IPC: E21B37/00 ; C09K8/52
Abstract:
A wellbore fluid that includes an aqueous base fluid; a chelating agent; and at least one enzyme, wherein the wellbore fluid has a pH of at least 6.5 is disclosed.
Public/Granted literature
- US20110061870A1 HIGH DENSITY BREAKER FLUIDS AND METHODS OF USE THEREOF Public/Granted day:2011-03-17
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