Invention Grant
- Patent Title: Precipitated weighting agents for use in wellbore fluids
- Patent Title (中): 用于井眼液体的沉淀加重剂
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Application No.: US12440706Application Date: 2007-09-11
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Publication No.: US08168569B2Publication Date: 2012-05-01
- Inventor: David Antony Ballard , Jarrod Massam
- Applicant: David Antony Ballard , Jarrod Massam
- 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/US2007/078159 WO 20070911
- International Announcement: WO2008/033838 WO 20080320
- Main IPC: C09K8/74
- IPC: C09K8/74
Abstract:
A method of formulating a wellbore fluid that includes precipitating a weighting agent from a solution; and adding the precipitated weighting agent to a base fluid to form a wellbore fluid is disclosed. Fluids and methods of formulating wellbore fluids that contain dispersant coated precipitated weighting agents are also disclosed.
Public/Granted literature
- US20100009874A1 PRECIPITATED WEIGHTING AGENTS FOR USE IN WELLBORE FLUIDS Public/Granted day:2010-01-14
Information query
