Invention Grant
- Patent Title: Additives for oil-based drilling fluids
- Patent Title (中): 油基钻井液添加剂
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Application No.: US13889940Application Date: 2013-05-08
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Publication No.: US09328280B2Publication Date: 2016-05-03
- Inventor: Marshall D. Bishop , Willie P. Reneau , Frank E. Evans , John E. Anderson
- Applicant: Chevron Phillips Chemical Company LP
- Applicant Address: US TX The Woodlands
- Assignee: Chevron Phillips Chemical Company LP
- Current Assignee: Chevron Phillips Chemical Company LP
- Current Assignee Address: US TX The Woodlands
- Agency: Conley Rose, P.C.
- Agent Rodney B. Carroll; Monte R. Rhodes
- Main IPC: C09K8/34
- IPC: C09K8/34 ; C09K8/035 ; C09K8/36

Abstract:
An additive for a wellbore treatment fluid comprising a sulfonated asphalt compound comprising particles having a D90 particle size of less than about 215 μm. A wellbore treatment fluid comprising (i) an oleaginous component and (ii) a sulfonated asphalt wherein the sulfonated asphalt comprises particles having a D90 of less than about 215 μm.
Public/Granted literature
- US20140336085A1 Additives for Oil-Based Drilling Fluids Public/Granted day:2014-11-13
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