发明名称 COMPOSITIONS ON BASIS OF ORTHOETHERS AND METHODS OF USAGE AT IMPLEMENTATION OF UNDERGROUND WORKS
摘要 FIELD: mining. ^ SUBSTANCE: particular composition is able to provide decomposition in underground layer of dissolved in acid component, includes orthoether. ^ EFFECT: regulation of time for decomposition of mud filter cake parts, dissolved in acid. ^ 58 cl, 6 tbl
申请公布号 RU2371572(C2) 申请公布日期 2009.10.27
申请号 RU20060128591 申请日期 2004.12.17
申请人 KHEHLLIBERTON EHNERDZHI SERVISIZ, INK. 发明人 FROST KEJT A.;FANKKHAUZER GARRI P.;SITROVSKE BESSI NITA K.;TODD BREHDLI L.
分类号 C09K8/52;C09K8/72;C09K8/80;E21B37/06;E21B43/25;E21B43/267;E21B43/27 主分类号 C09K8/52
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