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OILFIELD DEPOSIT DISPERSANT AND DISPERSION METHOD
专利权人:
SMI OILFIELD EQUIPMENT AND PRODUCTS FZE
发明人:
GOPAL, Suguna,MCRAE, James
申请号:
WO2015IB57483
公开号:
WO2017055893(A1)
申请日:
2015.09.30
申请国别(地区):
世界知识产权组织国际局
年份:
2017
代理人:
摘要:
The present disclosure relates to compositions and methods for the removal of deposits from oilfield apparatus and wellbore surfaces. In particular, removal of deposits comprising heavy hydrocarbon materials and finely divided inorganic solids. The composition includes a mixture of a corrosion inhibitor component which is morpholine or a morpholine derivative having corrosion inhibitor properties, and a surfactant which is a quaternary ammonium compound having biocidal properties. Methods of removing a deposit from a surface or unplugging an oilwell which has been plugged with a deposit, are also included wherein the method comprising contacting the deposit with a composition as disclosed herein for a selected period of time.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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