- 专利标题: Rheology modifier for drilling and well treatment fluids
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申请号: US14410964申请日: 2013-06-20
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公开(公告)号: US09611418B2公开(公告)日: 2017-04-04
- 发明人: Cristina Maria Picco , Massimo Cecchetto , Pierangelo Pirovano , Luigi Merli , Giovanni Floridi , Giuseppe Li Bassi
- 申请人: LAMBERTI SPA
- 申请人地址: IT Albizzate (VA)
- 专利权人: LAMBERTI SPA
- 当前专利权人: LAMBERTI SPA
- 当前专利权人地址: IT Albizzate (VA)
- 代理机构: Mossman, Kumar & Tyler, PC
- 优先权: ITVA2012A0022 20120625
- 国际申请: PCT/EP2013/062894 WO 20130620
- 国际公布: WO2014/001192 WO 20140103
- 主分类号: C09K8/36
- IPC分类号: C09K8/36 ; C09K8/42 ; C09K8/64 ; C09K8/82 ; E21B43/16 ; C09K8/502 ; E21B7/00 ; E21B31/03
摘要:
Water in oil emulsion drilling and well treatment fluids comprising an ester of trimer fatty acids and polyoxyethyiene glycol, the polyoxyethyiene glycol having average molecular weight from about (150) to about (600) and the trimer acids having at least about 20% of carboxyl acid groups esterified, as rheology modifier.
公开/授权文献
- US20150152313A1 RHEOLOGY MODIFIER FOR DRILLING AND WELL TREATMENT FLUIDS 公开/授权日:2015-06-04
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