Invention Grant
- Patent Title: Lubricant for water based drilling fluid
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Application No.: US15771567Application Date: 2016-11-01
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Publication No.: US10597576B2Publication Date: 2020-03-24
- Inventor: Sashikumar Mettath , Zen-Yu Chang
- Applicant: The Lubrizol Corporation
- Applicant Address: US OH Wickliffe
- Assignee: THE LUBRIZOL CORPORATION
- Current Assignee: THE LUBRIZOL CORPORATION
- Current Assignee Address: US OH Wickliffe
- Agent Christopher P. Demas; Teresan W. Gilbert
- International Application: PCT/US2016/059845 WO 20161101
- International Announcement: WO2017/079123 WO 20170511
- Main IPC: C09K8/24
- IPC: C09K8/24 ; C09K8/035 ; C10M173/02 ; C10M145/38 ; C10M129/74
Abstract:
The invention relates an additive composition for a drilling fluid, as well as a method of increasing the lubricity and reducing the coefficient of friction of a drilling fluid. The additive composition may further contain a sulfurized olefin and/or a metal dithiophosphate compound, which further enhances the lubricating effect.
Public/Granted literature
- US20190078009A1 LUBRICANT FOR WATER BASED DRILLING FLUID Public/Granted day:2019-03-14
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