发明授权
- 专利标题: Anti-accretion agents for drilling fluids
- 专利标题(中): 用于钻井液的抗增吸剂
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申请号: US12993648申请日: 2009-05-18
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公开(公告)号: US08932997B2公开(公告)日: 2015-01-13
- 发明人: Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
- 申请人: Luigi Merli , Jacopo Franchini , Pierangelo Pirovano , Mattia Ossola , Franco Federici , Dario Fornara , Giuseppe Li Bassi
- 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: ITVA2008A0030 20080521
- 国际申请: PCT/EP2009/056003 WO 20090518
- 国际公布: WO2009/141308 WO 20091126
- 主分类号: C09K8/28
- IPC分类号: C09K8/28 ; C09K8/34 ; C09K8/16 ; C09K8/12 ; C09K8/528
摘要:
Esters of alkanolamines with unsaturated, polyunsaturated or saturated C8-C36 monocarboxylic acids are additives for reducing accretion on drilling equipment (anti-accretion agents) to be used in drilling muds during drilling and completion of oil and gas wells.
公开/授权文献
- US20110166048A1 ANTI-ACCRETION AGENTS FOR DRILLING FLUIDS 公开/授权日:2011-07-07