发明名称 |
ADITIV PENTRU TRATAREA TITEIULUI BRUT |
摘要 |
<p>The additive comprises a borehole aid. This has a cationic interface active agent, e.g. a quat. amine of general formula R1-N(CH3)2-R2, where R1 is an alkyl radical with 8-24 carbon atoms in its molecule, and R2 is a gp. of formula -CH2Cl or (i).</p> |
申请公布号 |
RO96623(A2) |
申请公布日期 |
1989.05.30 |
申请号 |
RO19870126904 |
申请日期 |
1987.02.04 |
申请人 |
INSTITUTUL DE CERCETARI SI PROIECTARI PENTRU PETROL SI GAZE,RO |
发明人 |
CUCUIAT IULIU M.,RO;ZAMFIRESCU GHEORGHE,RO;CIOVIRNACHE VLADIMIR,RO |
分类号 |
E21B43/22;C10G33/04;(IPC1-7):E21B43/22 |
主分类号 |
E21B43/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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