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CN103370391A 用于产生平滑温度流变谱的非水性钻井添加剂 无效 - 撤回

用于产生平滑温度流变谱的非水性钻井添加剂
摘要：
提供钻井液在约120°F至约40°F的温度范围基本上恒定的当量循环密度的方法，包括向钻井液加入钻井液添加剂，其中所述钻井液添加剂包括具有单个羧基的羧酸与具有至少两个伯氨官能团和任选的至少一个叔氨官能团的聚胺的反应产物。
摘要（英）：

A method of providing a substantially constant equivalent circulating density of a drilling fluid over a temperature range of about 120 DEG F to about 40 DEG F includes adding a drilling fluid additive to the drilling fluid, wherein the drilling fluid additive includes the reaction product of a carboxylic acid with a single carboxylic moiety; and a polyamine having at least two primary amino functionalities and optionally at least one secondary amino functionality.

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