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
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