Invention Grant
- Patent Title: Microsphere compositions and methods for production in oil-based drilling fluids
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Application No.: US15371394Application Date: 2016-12-07
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Publication No.: US10584272B2Publication Date: 2020-03-10
- Inventor: Anders Grinrod
- Applicant: SCHLUMBERGER NORGE AS
- Applicant Address: NO Stavanger
- Assignee: SCHLUMBERGER NORGE AS
- Current Assignee: SCHLUMBERGER NORGE AS
- Current Assignee Address: NO Stavanger
- Agency: Osha Liang LLP
- Main IPC: C09K8/36
- IPC: C09K8/36 ; E21B21/00
Abstract:
A method includes admixing an aqueous polysaccharide solution into an oleaginous base fluid, and adding a divalent ion source to produce one or more polysaccharide microspheres.
Public/Granted literature
- US20170158940A1 MICROSPHERE COMPOSITIONS AND METHODS FOR PRODUCTION IN OIL-BASED DRILLING FLUIDS Public/Granted day:2017-06-08
Information query
