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    • 4. 发明授权
    • Borehole treatment agent containing low-toxic oil phase
    • 钻孔处理剂含有低毒油相
    • US07666820B2
    • 2010-02-23
    • US10527212
    • 2003-09-09
    • Heinz MuellerNadja HerzogStephan Von Tapavicza
    • Heinz MuellerNadja HerzogStephan Von Tapavicza
    • C09K8/36E21B21/00
    • C09K8/34C09K8/36Y10S507/905
    • The invention relates to a borehole treatment composition containing an aqueous phase and a non-aqueous oil phase, emulsifiers and, where appropriate, further customary additives, the non-aqueous oil phase containing at least one of a) paraffins having from 5 to 22 carbon atoms; and b) internal olefins having from 12 to 30 carbon atoms in the molecule; in the form of a blend with c) carboxylic esters of the formula R—COO—R′, where R stands for a linear or branched, saturated or unsaturated alkyl radical having from 15 to 25 carbon atoms and R′ denotes a saturated, linear or branched alkyl radical having from 3 to 22 carbon atoms. The ratio of the toxicity of internal olefins of chain length C16/C18 (standard IO) to the toxicity of the constituents of the non-aqueous oil phase, in each case measured by the Leptocheirus plumulosus acute, static 96 hour/10 day sediment toxicity test (in accordance with ASTM E 1367-92 & EPA/600/R-94/025, Section 11), is less than 1.
    • 本发明涉及一种含有水相和非水性油相的乳
      液处理组合物,乳化剂以及适当的进一步的常规添加剂,所述非水性油相含有a)至少一种具有5-22个碳原子的链烷烃 原子 和b)分子中具有12至30个碳原子的内烯烃; 与c)式R-COO-R'的羧酸酯的形式,其中R代表具有15至25个碳原子的直链或支链,饱和或不饱和的烷基,R'表示饱和的,直链的 或具有3至22个碳原子的支链烷基。 链长C16 / C18(标准IO)的内烯烃的毒性与非水性油相的成分的毒性的比例,在每种情况下由Leptocheirus plumulosus急性,静态96小时/ 10天的沉淀物毒性测定 测试(根据ASTM E 1367-92和EPA / 600 / R-94/025,第11节)小于1。
    • 8. 发明申请
    • Borehole treatment agent containing low-toxic oil phase
    • 钻孔处理剂含有低毒油相
    • US20070142234A1
    • 2007-06-21
    • US10527212
    • 2003-09-09
    • Heinz MuellerNadja HerzogStephan Von Tapavicza
    • Heinz MuellerNadja HerzogStephan Von Tapavicza
    • C09K8/58
    • C09K8/34C09K8/36Y10S507/905
    • The invention relates to a borehole treatment composition containing an aqueous phase and a non-aqueous oil phase, emulsifiers and, where appropriate, further customary additives, the non-aqueous oil phase containing at least one of a) paraffins having from 5 to 22 carbon atoms; and b) internal olefins having from 12 to 30 carbon atoms in the molecule; in the form of a blend with c) carboxylic esters of the formula R—COO—R′, where R stands for a linear or branched, saturated or unsaturated alkyl radical having from 15 to 25 carbon atoms and R′ denotes a saturated, linear or branched alkyl radical having from 3 to 22 carbon atoms. The ratio of the toxicity of internal olefins of chain length C16/C18 (standard IO) to the toxicity of the constituents of the non-aqueous oil phase, in each case measured by the Leptocheirus plumulosus acute, static 96 hour/10 day sediment toxicity test (in accordance with ASTM E 1367-92 & EPA/600/R-94/025, Section 11), is less than 1.
    • 本发明涉及一种含有水相和非水性油相的乳
      液处理组合物,乳化剂和适当的进一步常规添加剂,所述非水性油相含有a)至少一种具有5-22个碳原子的链烷烃 原子 和b)分子中具有12至30个碳原子的内烯烃; 与c)式R-COO-R'的羧酸酯的形式,其中R代表具有15至25个碳原子的直链或支链,饱和或不饱和的烷基,R'表示饱和的,直链的 或具有3至22个碳原子的支链烷基。 链长C16 / C18(标准IO)的内烯烃的毒性与非水性油相的成分的毒性的比例,在每种情况下由Leptocheirus plumulosus急性,静态96小时/ 10天的沉淀物毒性测定 测试(根据ASTM E 1367-92和EPA / 600 / R-94/025,第11节)小于1。